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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Data;
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using System.IO;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Reflection;
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using System.Runtime.Serialization.Formatters.Binary;
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using System.Text;
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using System.Text.RegularExpressions;
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using System.Web;
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using System.Xml;
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using System.Xml.Linq;
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namespace VOL.Core.Extensions
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{
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public static class ObjectExtension
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{
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public static bool DicKeyIsNullOrEmpty(this Dictionary<string, object> dic, string key)
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{
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if (dic == null)
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return true;
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if (!dic.ContainsKey(key)) return true;
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object value = dic[key];
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if (value == null || value.ToString() == "")
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{
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return true;
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}
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return false;
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}
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public static Dictionary<string, object> ReaderToDictionary(this IDataReader Reader)
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{
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List<Dictionary<string, object>> rowList = Reader.ReaderToDictionaryList();
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return rowList.Count() > 0 ? rowList[0] : null;
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}
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/// <summary>
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/// IDataReader转换成DictionaryList
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/// </summary>
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/// <param name="Reader"></param>
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/// <returns></returns>
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public static List<Dictionary<string, object>> ReaderToDictionaryList(this IDataReader Reader)
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{
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List<Dictionary<string, object>> rowList = new List<Dictionary<string, object>>();
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try
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{
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while (Reader.Read())
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{
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Dictionary<string, object> row = new Dictionary<string, object>(StringComparer.OrdinalIgnoreCase);
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for (var fieldCount = 0; fieldCount < Reader.FieldCount; fieldCount++)
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{
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row.Add(Reader.GetName(fieldCount), Reader[fieldCount]);
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}
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rowList.Add(row);
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}
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}
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catch (Exception ex) { throw ex; }
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finally
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{
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Reader.Close();
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Reader.Dispose();
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}
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return rowList;
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}
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public static T DicToEntity<T>(this Dictionary<string, object> dic)
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{
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return new List<Dictionary<string, object>>() { dic }.DicToList<T>().ToList()[0];
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}
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public static T EditDicToEntity<T>(this Dictionary<string, object> dic)
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{
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return new List<Dictionary<string, object>>() { dic }.EditDicToList<T>().ToList()[0];
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}
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public static List<T> DicToList<T>(this List<Dictionary<string, object>> dicList)
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{
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return dicList.DicToIEnumerable<T>().ToList();
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}
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public static List<T> EditDicToList<T>(this List<Dictionary<string, object>> dicList)
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{
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return dicList.DicToEditIEnumerable<T>().ToList();
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}
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public static object DicToList(this List<Dictionary<string, object>> dicList, Type type)
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{
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return typeof(ObjectExtension).GetMethod("DicToList")
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.MakeGenericMethod(new Type[] { type })
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.Invoke(typeof(ObjectExtension), new object[] { dicList });
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}
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public static IEnumerable<T> DicToIEnumerable<T>(this List<Dictionary<string, object>> dicList)
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{
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foreach (Dictionary<string, object> dic in dicList)
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{
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T model = Activator.CreateInstance<T>();
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foreach (PropertyInfo property in model.GetType()
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.GetProperties(BindingFlags.GetProperty | BindingFlags.Public | BindingFlags.Instance))
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{
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if (!dic.TryGetValue(property.Name, out object value)) continue;
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property.SetValue(model, value?.ToString().ChangeType(property.PropertyType), null);
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}
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yield return model;
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}
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}
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public static IEnumerable<T> DicToEditIEnumerable<T>(this List<Dictionary<string, object>> dicList)
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{
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foreach (Dictionary<string, object> dic in dicList)
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{
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T model = Activator.CreateInstance<T>();
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foreach (PropertyInfo property in model.GetType()
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.GetProperties(BindingFlags.GetProperty | BindingFlags.Public | BindingFlags.Instance))
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{
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if (!dic.TryGetValue(property.Name, out object value)) continue;
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property.SetValue(model, value?.ToString().ChangeType(property.PropertyType), null);
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}
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yield return model;
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}
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}
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/// <summary>
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/// IDataReader转换成List
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/// </summary>
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/// <typeparam name="T"></typeparam>
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/// <param name="Reader"></param>
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/// <returns></returns>
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public static List<T> ReaderToList<T>(this IDataReader Reader)
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{
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List<string> objectField = new List<string>(Reader.FieldCount);
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for (int i = 0; i < Reader.FieldCount; i++)
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{
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objectField.Add(Reader.GetName(i).ToLower());
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}
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List<T> objectList = new List<T>();
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try
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{
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while (Reader.Read())
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{
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T model = Activator.CreateInstance<T>();
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foreach (PropertyInfo property in model.GetType()
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.GetProperties(BindingFlags.GetProperty
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| BindingFlags.Public
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| BindingFlags.Instance))
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{
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if (!objectField.Contains(property.Name.ToLower())) { continue; }
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if (Reader[property.Name].IsNullOrEmpty()) { continue; }
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property.SetValue(model, Reader[property.Name].ToString().ChangeType(property.PropertyType), null);
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}
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objectList.Add(model);
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}
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}
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catch (Exception ex)
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{
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throw ex;
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}
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finally
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{
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Reader.Close();
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Reader.Dispose();
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}
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return objectList;
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}
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public static object ChangeType(this object convertibleValue, Type type)
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{
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if (null == convertibleValue) return null;
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try
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{
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if (type == typeof(Guid) || type == typeof(Guid?))
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{
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string value = convertibleValue.ToString();
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if (value == "") return null;
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return Guid.Parse(value);
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}
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if (!type.IsGenericType)
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return Convert.ChangeType(convertibleValue, type);
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if (type.ToString() == "System.Nullable`1[System.Boolean]" || type.ToString() == "System.Boolean")
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{//后台解析 布尔型属性
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if (convertibleValue.ToString() == "0" || convertibleValue.ToString() == "false")
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return false;
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return true;
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}
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Type genericTypeDefinition = type.GetGenericTypeDefinition();
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if (genericTypeDefinition == typeof(Nullable<>))
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{
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return Convert.ChangeType(convertibleValue, Nullable.GetUnderlyingType(type));
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}
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}
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catch
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{
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return null;
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}
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return null;
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}
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/// <summary>
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/// 将集合转换为数据集。
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/// </summary>
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/// <typeparam name="T">转换的元素类型。</typeparam>
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/// <param name="list">集合。</param>
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/// <param name="generic">是否生成泛型数据集。</param>
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/// <returns>数据集。</returns>
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public static DataSet ToDataSet<T>(this IEnumerable<T> list, bool generic = true)
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{
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return ListToDataSet(list, generic);
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}
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/// <summary>
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/// 将集合转换为数据集。
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/// </summary>
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/// <param name="list">集合。</param>
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/// <param name="generic">是否生成泛型数据集。</param>
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/// <returns>数据集。</returns>
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public static DataSet ToDataSet(this IEnumerable list, bool generic = true)
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{
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return ListToDataSet(list, generic);
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}
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/// <summary>
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/// 将集合转换为数据集。
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/// </summary>
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/// <typeparam name="T">转换的元素类型。</typeparam>
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/// <param name="list">集合。</param>
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/// <param name="generic">是否生成泛型数据集。</param>
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/// <returns>数据集。</returns>
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public static DataSet ToDataSet<T>(this IEnumerable list, bool generic = true)
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{
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return ListToDataSet(list, typeof(T), generic);
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}
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/// <summary>
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/// 将实例转换为集合数据集。
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/// </summary>
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/// <typeparam name="T">实例类型。</typeparam>
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/// <param name="o">实例。</param>
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/// <param name="generic">是否生成泛型数据集。</param>
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/// <returns>数据集。</returns>
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public static DataSet ToListSet<T>(this T o, bool generic = true)
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{
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if (o is IEnumerable)
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{
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return ListToDataSet(o as IEnumerable, generic);
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}
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else
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{
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return ListToDataSet(new T[] { o }, generic);
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}
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}
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/// <summary>
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/// 将可序列化实例转换为XmlDocument。
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/// </summary>
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/// <typeparam name="T">实例类型。</typeparam>
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/// <param name="o">实例。</param>
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/// <returns>XmlDocument。</returns>
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public static XmlDocument ToXmlDocument<T>(this T o)
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{
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XmlDocument xmlDocument = new XmlDocument
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{
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InnerXml = o.ToListSet().GetXml()
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};
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return xmlDocument;
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}
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/// <summary>
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/// 将集合转换为数据集。
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/// </summary>
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/// <param name="list">集合。</param>
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/// <param name="t">转换的元素类型。</param>
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/// <param name="generic">是否生成泛型数据集。</param>
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/// <returns>转换后的数据集。</returns>
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private static DataSet ListToDataSet(IEnumerable list, Type t, bool generic)
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{
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DataSet ds = new DataSet("Data");
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if (t == null)
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{
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if (list != null)
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{
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foreach (var i in list)
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{
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if (i == null)
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{
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continue;
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}
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t = i.GetType();
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break;
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}
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}
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if (t == null)
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{
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return ds;
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}
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}
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ds.Tables.Add(t.Name);
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//如果集合中元素为DataSet扩展涉及到的基本类型时，进行特殊转换。
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if (t.IsValueType || t == typeof(string))
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{
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ds.Tables[0].TableName = "Info";
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ds.Tables[0].Columns.Add(t.Name);
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if (list != null)
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{
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foreach (var i in list)
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{
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DataRow addRow = ds.Tables[0].NewRow();
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addRow[t.Name] = i;
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ds.Tables[0].Rows.Add(addRow);
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}
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}
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return ds;
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}
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//处理模型的字段和属性。
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var fields = t.GetFields();
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var properties = t.GetProperties();
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foreach (var j in fields)
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{
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if (!ds.Tables[0].Columns.Contains(j.Name))
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{
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if (generic)
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{
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ds.Tables[0].Columns.Add(j.Name, j.FieldType);
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}
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else
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{
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ds.Tables[0].Columns.Add(j.Name);
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}
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}
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}
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foreach (var j in properties)
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{
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if (!ds.Tables[0].Columns.Contains(j.Name))
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{
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if (generic)
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{
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ds.Tables[0].Columns.Add(j.Name, j.PropertyType);
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}
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else
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{
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ds.Tables[0].Columns.Add(j.Name);
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}
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}
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}
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if (list == null)
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{
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return ds;
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}
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//读取list中元素的值。
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foreach (var i in list)
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{
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if (i == null)
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{
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continue;
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}
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DataRow addRow = ds.Tables[0].NewRow();
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foreach (var j in fields)
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{
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MemberExpression field = Expression.Field(Expression.Constant(i), j.Name);
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LambdaExpression lambda = Expression.Lambda(field, new ParameterExpression[] { });
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Delegate func = lambda.Compile();
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object value = func.DynamicInvoke();
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addRow[j.Name] = value;
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}
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foreach (var j in properties)
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{
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MemberExpression property = Expression.Property(Expression.Constant(i), j);
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LambdaExpression lambda = Expression.Lambda(property, new ParameterExpression[] { });
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Delegate func = lambda.Compile();
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object value = func.DynamicInvoke();
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addRow[j.Name] = value;
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}
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ds.Tables[0].Rows.Add(addRow);
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}
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return ds;
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}
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/// <summary>
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/// 将集合转换为数据集。
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/// </summary>
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/// <typeparam name="T">转换的元素类型。</typeparam>
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/// <param name="list">集合。</param>
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/// <param name="generic">是否生成泛型数据集。</param>
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/// <returns>数据集。</returns>
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private static DataSet ListToDataSet<T>(IEnumerable<T> list, bool generic)
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{
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return ListToDataSet(list, typeof(T), generic);
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}
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/// <summary>
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/// 将集合转换为数据集。
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/// </summary>
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/// <param name="list">集合。</param>
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/// <param name="generic">是否转换为字符串形式。</param>
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/// <returns>转换后的数据集。</returns>
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private static DataSet ListToDataSet(IEnumerable list, bool generic)
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{
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return ListToDataSet(list, null, generic);
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}
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/// <summary>
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/// 获取DataSet第一表，第一行，第一列的值。
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/// </summary>
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/// <param name="ds">DataSet数据集。</param>
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/// <returns>值。</returns>
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public static object GetData(this DataSet ds)
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{
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if (
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ds == null
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|| ds.Tables.Count == 0
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)
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{
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return string.Empty;
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}
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else
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{
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return ds.Tables[0].GetData();
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}
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}
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/// <summary>
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/// 获取DataTable第一行，第一列的值。
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/// </summary>
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/// <param name="dt">DataTable数据集表。</param>
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/// <returns>值。</returns>
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public static object GetData(this DataTable dt)
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{
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if (
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dt.Columns.Count == 0
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|| dt.Rows.Count == 0
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)
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{
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return string.Empty;
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}
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else
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{
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return dt.Rows[0][0];
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}
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}
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/// <summary>
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/// 获取DataSet第一个匹配columnName的值。
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/// </summary>
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/// <param name="ds">数据集。</param>
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/// <param name="columnName">列名。</param>
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/// <returns>值。</returns>
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|
|
public static object GetData(this DataSet ds, string columnName)
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|
{
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if (
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ds == null
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|
|
|| ds.Tables.Count == 0
|
|
|
)
|
|
|
{
|
|
|
return string.Empty;
|
|
|
}
|
|
|
foreach (DataTable dt in ds.Tables)
|
|
|
{
|
|
|
object o = dt.GetData(columnName);
|
|
|
if (!string.IsNullOrEmpty(o.ToString()))
|
|
|
{
|
|
|
return o;
|
|
|
}
|
|
|
}
|
|
|
return string.Empty;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 获取DataTable第一个匹配columnName的值。
|
|
|
/// </summary>
|
|
|
/// <param name="dt">数据表。</param>
|
|
|
/// <param name="columnName">列名。</param>
|
|
|
/// <returns>值。</returns>
|
|
|
public static object GetData(this DataTable dt, string columnName)
|
|
|
{
|
|
|
if (string.IsNullOrEmpty(columnName))
|
|
|
{
|
|
|
return GetData(dt);
|
|
|
}
|
|
|
if (
|
|
|
dt.Columns.Count == 0
|
|
|
|| dt.Columns.IndexOf(columnName) == -1
|
|
|
|| dt.Rows.Count == 0
|
|
|
)
|
|
|
{
|
|
|
return string.Empty;
|
|
|
}
|
|
|
return dt.Rows[0][columnName];
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为string类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>string。</returns>
|
|
|
public static string ToString(this object o, string t)
|
|
|
{
|
|
|
string info = string.Empty;
|
|
|
if (o == null)
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
info = o.ToString();
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将DateTime?转换为string类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">DateTime?。</param>
|
|
|
/// <param name="format">标准或自定义日期和时间格式的字符串。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>string。</returns>
|
|
|
public static string ToString(this DateTime? o, string format, string t)
|
|
|
{
|
|
|
string info = string.Empty;
|
|
|
if (o == null)
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
info = o.Value.ToString(format);
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将TimeSpan?转换为string类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">TimeSpan?。</param>
|
|
|
/// <param name="format">标准或自定义时间格式的字符串。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>string。</returns>
|
|
|
public static string ToString(this TimeSpan? o, string format, string t)
|
|
|
{
|
|
|
string info = string.Empty;
|
|
|
if (o == null)
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
info = o.Value.ToString(format);
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为byte类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>byte。</returns>
|
|
|
public static byte ToByte(this object o, byte t = default(byte))
|
|
|
{
|
|
|
if (!byte.TryParse(o.ToString(string.Empty), out byte info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
public static byte[] ToBytes(this object obj)
|
|
|
{
|
|
|
if (obj == null)
|
|
|
return null;
|
|
|
var bf = new BinaryFormatter();
|
|
|
using (var ms = new MemoryStream())
|
|
|
{
|
|
|
bf.Serialize(ms, obj);
|
|
|
return ms.ToArray();
|
|
|
}
|
|
|
}
|
|
|
|
|
|
public static object ToObject(this byte[] source)
|
|
|
{
|
|
|
using (var memStream = new MemoryStream())
|
|
|
{
|
|
|
var bf = new BinaryFormatter();
|
|
|
memStream.Write(source, 0, source.Length);
|
|
|
memStream.Seek(0, SeekOrigin.Begin);
|
|
|
var obj = bf.Deserialize(memStream);
|
|
|
return obj;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为char类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>char。</returns>
|
|
|
public static char ToChar(this object o, char t = default(char))
|
|
|
{
|
|
|
if (!char.TryParse(o.ToString(string.Empty), out char info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为int类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>int。</returns>
|
|
|
public static int ToInt(this object o, int t = default(int))
|
|
|
{
|
|
|
if (!int.TryParse(o.ToString(string.Empty), out int info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为double类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>double。</returns>
|
|
|
public static double ToDouble(this object o, double t = default(double))
|
|
|
{
|
|
|
double info;
|
|
|
if (!double.TryParse(o.ToString(string.Empty), out info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为decimal类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>decimal。</returns>
|
|
|
public static decimal ToDecimal(this object o, decimal t = default(decimal))
|
|
|
{
|
|
|
decimal info;
|
|
|
if (!decimal.TryParse(o.ToString(string.Empty), out info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为float类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>float。</returns>
|
|
|
public static float ToFloat(this object o, float t = default(float))
|
|
|
{
|
|
|
if (!float.TryParse(o.ToString(string.Empty), out float info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为long类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>long。</returns>
|
|
|
public static long ToLong(this object o, long t = default(long))
|
|
|
{
|
|
|
long info;
|
|
|
if (!long.TryParse(o.ToString(string.Empty), out info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为bool类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>bool。</returns>
|
|
|
public static bool ToBool(this object o, bool t = default(bool))
|
|
|
{
|
|
|
bool info;
|
|
|
if (!bool.TryParse(o.ToString(string.Empty), out info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为sbyte类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>sbyte。</returns>
|
|
|
public static sbyte ToSbyte(this object o, sbyte t = default(sbyte))
|
|
|
{
|
|
|
sbyte info;
|
|
|
if (!sbyte.TryParse(o.ToString(string.Empty), out info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为short类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>short。</returns>
|
|
|
public static short ToShort(this object o, short t = default(short))
|
|
|
{
|
|
|
short info;
|
|
|
if (!short.TryParse(o.ToString(string.Empty), out info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为ushort类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>ushort。</returns>
|
|
|
public static ushort ToUShort(this object o, ushort t = default(ushort))
|
|
|
{
|
|
|
ushort info;
|
|
|
if (!ushort.TryParse(o.ToString(string.Empty), out info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为ulong类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>ulong。</returns>
|
|
|
public static ulong ToULong(this object o, ulong t = default(ulong))
|
|
|
{
|
|
|
ulong info;
|
|
|
if (!ulong.TryParse(o.ToString(string.Empty), out info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为Enum[T]类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>Enum[T]。</returns>
|
|
|
public static T ToEnum<T>(this object o, T t = default(T))
|
|
|
where T : struct
|
|
|
{
|
|
|
if (!System.Enum.TryParse(o.ToString(string.Empty), out T info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为DateTime类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>DateTime。</returns>
|
|
|
public static DateTime ToDateTime(this object o, DateTime t = default(DateTime))
|
|
|
{
|
|
|
if (t == default(DateTime))
|
|
|
{
|
|
|
t = new DateTime(1753, 1, 1);
|
|
|
}
|
|
|
DateTime info;
|
|
|
if (!DateTime.TryParse(o.ToString(string.Empty), out info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为TimeSpan类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>TimeSpan。</returns>
|
|
|
public static TimeSpan ToTimeSpan(this object o, TimeSpan t = default(TimeSpan))
|
|
|
{
|
|
|
if (t == default(TimeSpan))
|
|
|
{
|
|
|
t = new TimeSpan(0, 0, 0);
|
|
|
}
|
|
|
TimeSpan info;
|
|
|
if (!TimeSpan.TryParse(o.ToString(string.Empty), out info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为Guid类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>Guid。</returns>
|
|
|
public static Guid ToGuid(this object o, Guid t = default(Guid))
|
|
|
{
|
|
|
Guid info;
|
|
|
if (!Guid.TryParse(o.ToString(string.Empty), out info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
private static Regex BoolRegex = new Regex("(?<info>(true|false))", RegexOptions.IgnoreCase | RegexOptions.Singleline);
|
|
|
|
|
|
/// <summary>
|
|
|
/// 从object中获取bool类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <returns>bool。</returns>
|
|
|
public static bool GetBool(this string value)
|
|
|
{
|
|
|
bool.TryParse(value, out bool result);
|
|
|
return result;
|
|
|
}
|
|
|
|
|
|
private static Regex IntRegex = new Regex("(?<info>-?\\d+)", RegexOptions.IgnoreCase | RegexOptions.Singleline);
|
|
|
|
|
|
|
|
|
|
|
|
private static Regex DecimalRegex = new Regex("(?<info>-?\\d+(\\.\\d+)?)", RegexOptions.IgnoreCase | RegexOptions.Singleline);
|
|
|
|
|
|
/// <summary>
|
|
|
/// 从object中获取decimal类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <returns>decimal。</returns>
|
|
|
public static decimal? GetDecimal(this object o)
|
|
|
{
|
|
|
decimal info;
|
|
|
if (!decimal.TryParse(DecimalRegex.Match(o.ToString(string.Empty)).Groups["info"].Value, out info))
|
|
|
{
|
|
|
return null;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
/// 从object中获取正数信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <returns>decimal。</returns>
|
|
|
public static decimal? GetPositiveNumber(this object o)
|
|
|
{
|
|
|
decimal info;
|
|
|
if (!decimal.TryParse(DecimalRegex.Match(o.ToString(string.Empty)).Groups["info"].Value, out info))
|
|
|
{
|
|
|
return null;
|
|
|
}
|
|
|
return Math.Abs(info);
|
|
|
}
|
|
|
|
|
|
private static Regex DateTimeRegex = new Regex("(?<info>(((\\d+)[/年-](0?[13578]|1[02])[/月-](3[01]|[12]\\d|0?\\d)[日]?)|((\\d+)[/年-](0?[469]|11)[/月-](30|[12]\\d|0?\\d)[日]?)|((\\d+)[/年-]0?2[/月-](2[0-8]|1\\d|0?\\d)[日]?))(\\s((2[0-3]|[0-1]\\d)):[0-5]\\d:[0-5]\\d)?)", RegexOptions.IgnoreCase | RegexOptions.Singleline);
|
|
|
|
|
|
/// <summary>
|
|
|
/// 从object中获取DateTime?类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <returns>DateTime?。</returns>
|
|
|
public static DateTime? GetDateTime1(this object o)
|
|
|
{
|
|
|
DateTime info;
|
|
|
if (!DateTime.TryParse(DateTimeRegex.Match(o.ToString(string.Empty)).Groups["info"].Value.Replace("年", "-").Replace("月", "-").Replace("/", "-").Replace("日", ""), out info))
|
|
|
{
|
|
|
return null;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
private static Regex TimeSpanRegex = new Regex("(?<info>-?(\\d+\\.(([0-1]\\d)|(2[0-3])):[0-5]\\d:[0-5]\\d)|((([0-1]\\d)|(2[0-3])):[0-5]\\d:[0-5]\\d)|(\\d+))", RegexOptions.IgnoreCase | RegexOptions.Singleline);
|
|
|
|
|
|
/// <summary>
|
|
|
/// 从object中获取TimeSpan?类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <returns>TimeSpan?。</returns>
|
|
|
public static TimeSpan? GetTimeSpan(this object o)
|
|
|
{
|
|
|
TimeSpan info;
|
|
|
if (!TimeSpan.TryParse(TimeSpanRegex.Match(o.ToString(string.Empty)).Groups["info"].Value, out info))
|
|
|
{
|
|
|
return null;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
private static Regex GuidRegex = new Regex("(?<info>\\{{0,1}([0-9a-fA-F]){8}-([0-9a-fA-F]){4}-([0-9a-fA-F]){4}-([0-9a-fA-F]){4}-([0-9a-fA-F]){12}\\}{0,1})", RegexOptions.IgnoreCase | RegexOptions.Singleline);
|
|
|
|
|
|
/// <summary>
|
|
|
/// 从object中获取Guid?类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <returns>Guid?。</returns>
|
|
|
public static Guid? GetGuid(this object o)
|
|
|
{
|
|
|
Guid info;
|
|
|
if (!Guid.TryParse(GuidRegex.Match(o.ToString(string.Empty)).Groups["info"].Value, out info))
|
|
|
{
|
|
|
return null;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将object转换为SqlServer中的DateTime?类型信息。
|
|
|
/// </summary>
|
|
|
/// <param name="o">object。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>DateTime?。</returns>
|
|
|
public static DateTime? GetSqlDateTime(this object o, DateTime t = default(DateTime))
|
|
|
{
|
|
|
DateTime info;
|
|
|
if (!DateTime.TryParse(o.ToString(string.Empty), out info))
|
|
|
{
|
|
|
info = t;
|
|
|
}
|
|
|
if (info < new DateTime(1753, 1, 1) || info > new DateTime(9999, 12, 31))
|
|
|
{
|
|
|
return null;
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 读取XElement节点的文本内容。
|
|
|
/// </summary>
|
|
|
/// <param name="xElement">XElement节点。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>文本内容。</returns>
|
|
|
public static string Value(this XElement xElement, string t = default(string))
|
|
|
{
|
|
|
if (xElement == null)
|
|
|
{
|
|
|
return t;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
return xElement.Value;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 获取与指定键相关的值。
|
|
|
/// </summary>
|
|
|
/// <typeparam name="TKey">键类型。</typeparam>
|
|
|
/// <typeparam name="TValue">值类型。</typeparam>
|
|
|
/// <param name="dictionary">表示键/值对象的泛型集合。</param>
|
|
|
/// <param name="key">键。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>值。</returns>
|
|
|
public static TValue GetValue<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key, TValue t = default(TValue))
|
|
|
{
|
|
|
TValue value = default(TValue);
|
|
|
if (dictionary == null || key == null)
|
|
|
{
|
|
|
return t;
|
|
|
}
|
|
|
if (!dictionary.TryGetValue(key, out value))
|
|
|
{
|
|
|
value = t;
|
|
|
}
|
|
|
return value;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 获取与指定键相关或者第一个的值。
|
|
|
/// </summary>
|
|
|
/// <typeparam name="TKey">键类型。</typeparam>
|
|
|
/// <typeparam name="TValue">值类型。</typeparam>
|
|
|
/// <param name="dictionary">表示键/值对象的泛型集合。</param>
|
|
|
/// <param name="key">键。</param>
|
|
|
/// <param name="t">默认值。</param>
|
|
|
/// <returns>值。</returns>
|
|
|
public static TValue GetFirstOrDefaultValue<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key, TValue t = default(TValue))
|
|
|
{
|
|
|
TValue value = default(TValue);
|
|
|
if (dictionary == null || key == null)
|
|
|
{
|
|
|
return t;
|
|
|
}
|
|
|
if (!dictionary.TryGetValue(key, out value))
|
|
|
{
|
|
|
if (dictionary.Count() == 0)
|
|
|
{
|
|
|
value = t;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
value = dictionary.FirstOrDefault().Value;
|
|
|
}
|
|
|
}
|
|
|
return value;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 获取具有指定 System.Xml.Linq.XName 的第一个（按文档顺序）子元素。
|
|
|
/// </summary>
|
|
|
/// <param name="xContainer">XContainer。</param>
|
|
|
/// <param name="xName">要匹配的 System.Xml.Linq.XName。</param>
|
|
|
/// <param name="t">是否返回同名默认值。</param>
|
|
|
/// <returns>与指定 System.Xml.Linq.XName 匹配的 System.Xml.Linq.XElement，或者为 null。</returns>
|
|
|
public static XElement Element(this XContainer xContainer, XName xName, bool t)
|
|
|
{
|
|
|
XElement info;
|
|
|
if (xContainer == null)
|
|
|
{
|
|
|
info = null;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
info = xContainer.Element(xName);
|
|
|
}
|
|
|
if (t && info == null)
|
|
|
{
|
|
|
info = new XElement(xName);
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 按文档顺序返回此元素或文档的子元素集合。
|
|
|
/// </summary>
|
|
|
/// <param name="xContainer">XContainer。</param>
|
|
|
/// <param name="t">是否返回非空默认值。</param>
|
|
|
/// <returns>System.Xml.Linq.XElement 的按文档顺序包含此System.Xml.Linq.XContainer 的子元素，或者非空默认值。</returns>
|
|
|
public static IEnumerable<XElement> Elements(this XContainer xContainer, bool t)
|
|
|
{
|
|
|
IEnumerable<XElement> info;
|
|
|
if (xContainer == null)
|
|
|
{
|
|
|
info = null;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
info = xContainer.Elements();
|
|
|
}
|
|
|
if (t && info == null)
|
|
|
{
|
|
|
info = new List<XElement>();
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 按文档顺序返回此元素或文档的经过筛选的子元素集合。集合中只包括具有匹配 System.Xml.Linq.XName 的元素。
|
|
|
/// </summary>
|
|
|
/// <param name="xContainer">XContainer。</param>
|
|
|
/// <param name="xName">要匹配的 System.Xml.Linq.XName。</param>
|
|
|
/// <param name="t">是否返回非空默认值。</param>
|
|
|
/// <returns>System.Xml.Linq.XElement 的按文档顺序包含具有匹配System.Xml.Linq.XName 的 System.Xml.Linq.XContainer 的子级，或者非空默认值。</returns>
|
|
|
public static IEnumerable<XElement> Elements(this XContainer xContainer, XName xName, bool t)
|
|
|
{
|
|
|
IEnumerable<XElement> info;
|
|
|
if (xContainer == null)
|
|
|
{
|
|
|
info = null;
|
|
|
}
|
|
|
else
|
|
|
{
|
|
|
info = xContainer.Elements(xName);
|
|
|
}
|
|
|
if (t && info == null)
|
|
|
{
|
|
|
info = new List<XElement>();
|
|
|
}
|
|
|
return info;
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 删除html标签。
|
|
|
/// </summary>
|
|
|
/// <param name="html">输入的字符串。</param>
|
|
|
/// <returns>没有html标签的字符串。</returns>
|
|
|
public static string RemoveHTMLTags(this string html)
|
|
|
{
|
|
|
return Regex.Replace(Regex.Replace(Regex.Replace((html ?? string.Empty).Replace(" ", " ").Replace("\r\n", " ").Replace("\n", " ").Replace("\r", " ").Replace("\t", " "), "<\\/?[^>]+>", "\r\n"), "(\r\n)+", "\r\n"), "(\\s)+", " ").Trim();
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 字符串转换为文件名。
|
|
|
/// </summary>
|
|
|
/// <param name="s">字符串。</param>
|
|
|
/// <returns>文件名。</returns>
|
|
|
public static string ToFileName(this string s)
|
|
|
{
|
|
|
return Regex.Replace(s.ToString(string.Empty), @"[\\/:*?<>|]", "_").Replace("\t", " ").Replace("\r\n", " ").Replace("\"", " ");
|
|
|
}
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
/// 获取默认非空字符串。
|
|
|
/// </summary>
|
|
|
/// <param name="s">首选默认非空字符串。</param>
|
|
|
/// <param name="args">依次非空字符串可选项。</param>
|
|
|
/// <returns>默认非空字符串。若无可选项则返回string.Empty。</returns>
|
|
|
public static string DefaultStringIfEmpty(this string s, params string[] args)
|
|
|
{
|
|
|
if (string.IsNullOrEmpty(s))
|
|
|
{
|
|
|
return string.Empty;
|
|
|
}
|
|
|
foreach (string i in args)
|
|
|
{
|
|
|
if (!string.IsNullOrEmpty(i) && !string.IsNullOrEmpty(i.Trim()))
|
|
|
{
|
|
|
return i;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
return (s ?? string.Empty);
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 对 URL 字符串进行编码。
|
|
|
/// </summary>
|
|
|
/// <param name="s">要编码的文本。</param>
|
|
|
/// <param name="regex">匹配要编码的文本。</param>
|
|
|
/// <param name="encoding">指定编码方案的 System.Text.Encoding 对象。</param>
|
|
|
/// <returns>一个已编码的字符串。</returns>
|
|
|
public static string ToUrlEncodeString(this string s, Regex regex = default(Regex), Encoding encoding = null)
|
|
|
{
|
|
|
if (encoding == null)
|
|
|
{
|
|
|
encoding = Encoding.UTF8;
|
|
|
}
|
|
|
if (regex == null)
|
|
|
{
|
|
|
return HttpUtility.UrlEncode(s, encoding);
|
|
|
}
|
|
|
List<string> l = new List<string>();
|
|
|
foreach (char i in s)
|
|
|
{
|
|
|
string t = i.ToString();
|
|
|
l.Add(regex.IsMatch(t) ? HttpUtility.UrlEncode(t, encoding) : t);
|
|
|
}
|
|
|
return string.Join(string.Empty, l);
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 对 URL 字符串进行编码。
|
|
|
/// </summary>
|
|
|
/// <param name="s">要编码的文本。</param>
|
|
|
/// <param name="regex">匹配要编码的文本。</param>
|
|
|
/// <param name="encoding">指定编码方案的 System.Text.Encoding 对象。</param>
|
|
|
/// <returns>一个已编码的字符串。</returns>
|
|
|
public static string ToUrlEncodeString(this string s, string regex, Encoding encoding = null)
|
|
|
{
|
|
|
return ToUrlEncodeString(s, new Regex(regex), encoding);
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 将日期转换为UNIX时间戳字符串
|
|
|
/// </summary>
|
|
|
/// <param name="date"></param>
|
|
|
/// <returns></returns>
|
|
|
public static string ToUnixTimeStamp(this DateTime date)
|
|
|
{
|
|
|
DateTime startTime = TimeZoneInfo.ConvertTimeToUtc(new DateTime(1970, 1, 1));
|
|
|
string timeStamp = date.Subtract(startTime).Ticks.ToString();
|
|
|
return timeStamp.Substring(0, timeStamp.Length - 7);
|
|
|
}
|
|
|
|
|
|
private static readonly Regex MobileRegex = new Regex("^1[3|4|5|7|8][0-9]\\d{4,8}$");
|
|
|
private static readonly Regex EmailRegex = new Regex("^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+((\\.[a-zA-Z0-9_-]{2,3}){1,2})$");
|
|
|
|
|
|
/// <summary>
|
|
|
/// 判断当前字符串是否是移动电话号码
|
|
|
/// </summary>
|
|
|
/// <param name="mobile"></param>
|
|
|
/// <returns></returns>
|
|
|
public static bool IsMobile(this string mobile)
|
|
|
{
|
|
|
return MobileRegex.IsMatch(mobile);
|
|
|
}
|
|
|
|
|
|
/// <summary>
|
|
|
/// 判断当前字符串是否为邮箱
|
|
|
/// </summary>
|
|
|
/// <param name="email"></param>
|
|
|
/// <returns></returns>
|
|
|
public static bool IsEmail(this string email)
|
|
|
{
|
|
|
return EmailRegex.IsMatch(email);
|
|
|
}
|
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
/// <summary>
|
|
|
/// 标记。
|
|
|
/// </summary>
|
|
|
public enum Flag
|
|
|
{
|
|
|
/// <summary>
|
|
|
/// 默认。
|
|
|
/// </summary>
|
|
|
Default,
|
|
|
|
|
|
/// <summary>
|
|
|
/// 真。
|
|
|
/// </summary>
|
|
|
True,
|
|
|
|
|
|
/// <summary>
|
|
|
/// 假。
|
|
|
/// </summary>
|
|
|
False
|
|
|
}
|
|
|
}
|