JiCangHai/PingTai/DSWeb/Areas/RptMng/Comm/RptHelper.cs

using System;
using System.Collections.Generic;
using System.Data;
using System.Linq;
using System.Web;
using System.Web.Mvc;
using System.Web.Script.Serialization;
using DSWeb.TruckMng.Helper;
using HcUtility.Comm;
using DSWeb.Areas.CommMng.Models;

namespace DSWeb.Areas.RptMng.Comm
{
    public class RptHelper
    {
        public static string GetRptJsonResult(int start, int limit,
                    DBDataSetResult dbRptResult, string tableName)
        {
            return GetRptJsonResult(start, limit, dbRptResult, tableName, true);
        }

        public static string GetRptJsonResult(DBDataSetResult dbRptResult, string tableName)
        {
            return GetRptJsonResult(0, 0, dbRptResult, tableName, false);
        }

        public static string GetRptJsonResult(int start, int limit, DBDataSetResult dbRptResult, string tableName, bool page,DatasetSort datasetsort=null,string filterstr="")
        {
            var json = string.Empty;
            List<Dictionary<string, object>> jsonSetData = null;
            if (dbRptResult.Success)
            {
                DataTable dtSet = dbRptResult.DataSet.Tables[tableName];
//                dtSet.DefaultView.RowFilter = filterstr;
                if ((datasetsort!=null) && (!string.IsNullOrEmpty(datasetsort.property)))
                {
                    
//                    dtSet.DefaultView.Sort = ""+datasetsort.prop+" "+datasetsort.dire+"";
//                    DataTable dtSet2 = dtSet.DefaultView.ToTable();
                    
                     jsonSetData = DSWeb.TruckMng.Helper.JsonHelper.ToJson(dtSet);
                }
                else
                {
//                    DataTable dtSet2 = dtSet.DefaultView.ToTable();
                    jsonSetData = DSWeb.TruckMng.Helper.JsonHelper.ToJson(dtSet);
                }
                IEnumerable<Dictionary<string, object>> listjson;
                if (page)
                {
                    listjson = jsonSetData.Skip(start).Take(limit);
                }
                else
                {
                    listjson = jsonSetData.AsEnumerable();
                }
                
                json = JsonConvert.Serialize(new { success = dbRptResult.Success, message = dbRptResult.Message, totalCount = jsonSetData.Count, data = listjson.ToArray() });
            }
            else
            {
                jsonSetData = new List<Dictionary<string, object>>();
                
                json = JsonConvert.Serialize(new { success = dbRptResult.Success, message = dbRptResult.Message, totalCount = jsonSetData.Count, data = jsonSetData.ToArray() });
            }

            return json;

        }


        public static string GetRptJsonResult(int start, int limit, DataSet dbRptResult, bool page, DatasetSort datasetsort = null, string filterstr = "")
        {
            var json = string.Empty;
            List<Dictionary<string, object>> jsonSetData = null;
            if (dbRptResult!=null)
            {
                DataTable dtSet = dbRptResult.Tables[0];
                jsonSetData = DSWeb.TruckMng.Helper.JsonHelper.ToJson(dtSet);
                IEnumerable<Dictionary<string, object>> listjson;
                if (page)
                {
                    listjson = jsonSetData.Skip(start).Take(limit);
                }
                else
                {
                    listjson = jsonSetData.AsEnumerable();
                }
                json = JsonConvert.Serialize(new { success = true, message = "操作成功！", totalCount = jsonSetData.Count, data = listjson.ToArray() });
            }
            else
            {
                jsonSetData = new List<Dictionary<string, object>>();

                json = JsonConvert.Serialize(new { success = false, message = "操作失败！", totalCount = jsonSetData.Count, data = jsonSetData.ToArray() });
            }

            return json;
        }

        static public object JsonGetValue(string jsondata, string jsonname)
        {
            JavaScriptSerializer serializer = new JavaScriptSerializer();
            Dictionary<string, object> json = (Dictionary<string, object>)serializer.DeserializeObject(jsondata);
            object value;
            if (!json.TryGetValue(jsonname, out value))
            {
                throw new Exception("数据中不存在此值!");
            }
            return value;
        }
    }
}