56 lines
1.7 KiB
C#
56 lines
1.7 KiB
C#
using System;
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using System.Collections.Generic;
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using System.IO;
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using System.Linq;
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using System.Net;
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using System.Text;
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using System.Threading.Tasks;
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namespace Ewide.NbzsZheliban.Tools
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{
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public class HttpHelper
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{
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/// <summary>
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/// 请求网页地址
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/// </summary>
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/// <param name="url">网页地址</param>
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/// <param name="param">参数</param>
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/// <returns></returns>
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public static string CallUrl(string url, string param)
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{
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//创建一个HTTP请求
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
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//Post请求方式
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request.Method = "POST";
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//内容类型
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//request.ContentType = "application/x-www-form-urlencoded";
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request.ContentType = "application/json;charset=utf-8";
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//byte[] bs = Encoding.ASCII.GetBytes(param); //参数转化为ascii码
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byte[] bs = Encoding.UTF8.GetBytes(param);
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request.ContentLength = bs.Length;
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using (Stream reqStream = request.GetRequestStream())
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{
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reqStream.Write(bs, 0, bs.Length);
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}
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String strValue = "";//strValue为http响应所返回的字符流
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HttpWebResponse response;
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try
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{
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//获得响应流
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response = (HttpWebResponse)request.GetResponse();
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}
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catch (WebException ex)
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{
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response = ex.Response as HttpWebResponse;
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}
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Stream s = response.GetResponseStream();
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StreamReader sr = new StreamReader(s);
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strValue = sr.ReadToEnd();
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return strValue;
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}
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}
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}
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