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46 lines
1.1 KiB
C#

using System;
using Microsoft.AspNetCore.Http;
namespace Myshipping.Core;
/// <summary>
/// 验证扩展类
/// </summary>
public static partial class Extensions
{
/// <summary>
/// 检查 Object 是否为 NULL
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static bool IsEmpty(this object value)
{
return value == null || string.IsNullOrEmpty(value.ParseToString());
}
/// <summary>
/// 检查 Object 是否为 NULL 或者 0
/// </summary>
/// <param name="value"></param>
/// <returns></returns>
public static bool IsNullOrZero(this object value)
{
return value == null || value.ParseToString().Trim() == "0";
}
/// <summary>
/// 检查是否为 AJAX 请求
/// </summary>
/// <param name="request"></param>
/// <returns></returns>
public static bool IsAjaxRequest(this HttpRequest request)
{
if (request == null)
throw new ArgumentNullException(nameof(request));
if (request.Headers != null)
return request.Headers["X-Requested-With"] == "XMLHttpRequest";
return false;
}
}