67 lines
1.8 KiB
C#
67 lines
1.8 KiB
C#
//======================================================================
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// HttpHelper
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// ZMF_Demo.ZMF
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//
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// Created by Chen Jialuo on 3/2/2017 4:21:55 PM.
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// Copyright © 2017 ZHONGMAKEJI. All rights reserved.
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// http://www.zhongmakj.com/
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//
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//======================================================================
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using System.Collections;
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using System.Collections.Specialized;
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using System.Net;
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namespace MobileServicePlatform.Common
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{
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/// <summary>
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/// helper for http get/post
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/// </summary>
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internal sealed class HttpHelper
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{
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/// <summary>
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/// 不需要新建对象，构造函数为私有
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/// </summary>
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private HttpHelper()
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{
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;
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}
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/// <summary>
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/// 发送HTTP POST
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/// </summary>
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/// <param name="url">目标完整URL</param>
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/// <param name="param">FORM内容</param>
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/// <returns>调用成功则返回接口返回内容；失败时返回null</returns>
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public static string Post(string url, NameValueCollection param)
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{
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try
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{
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using (var client = new WebClient())
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{
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byte[] result = client.UploadValues(url, "POST", param);
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return System.Text.Encoding.Default.GetString(result);
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}
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}
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catch
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{
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// TODO: HTTP POST请求发生异常，错误日志写入
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return null;
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}
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}
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public static string Post(string url, Hashtable param)
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{
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NameValueCollection nvc = new NameValueCollection();
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foreach (DictionaryEntry entry in param)
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{
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nvc.Add(entry.Key.ToString(), entry.Value.ToString());
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}
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return Post(url,nvc);
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}
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}
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}
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