最近在C#的项目中需要实现调用Java中的接口来获取信息,在接口调用这块我做的也比较多了,今天下午工作状态不对,写代码脑子有点迷,趁此机会,记录一下整个调用过程,有需要的朋友可以直接参考一下。
1.先来看实现的具体方法,将其放在工具类中,便于调用。
using System.Net;
using System.IO;
using System.Text;
public class UtilTool
{
static CookieContainer cookie = new CookieContainer();
public static string doHttpPost(string Url, string postDataStr)
{
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
request.Method = "POST";
//request.ContentType = "application/json";
//request.Accept = "application/json";
request.ContentType = "application/x-www-form-urlencoded";
//request.ContentLength = Encoding.UTF8.GetByteCount(postDataStr);
request.CookieContainer = cookie;
Stream myRequestStream = request.GetRequestStream();
StreamWriter myStreamWriter = new StreamWriter(myRequestStream, Encoding.GetEncoding("gb2312"));
myStreamWriter.Write(postDataStr);
myStreamWriter.Close();
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
response.Cookies = cookie.GetCookies(response.ResponseUri);
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.GetEncoding("utf-8"));
string retString = myStreamReader.ReadToEnd();
myStreamReader.Close();
myResponseStream.Close();
return retString;
}
}
2.在调用的地方直接使用即可。
{
string jsonStr += "";
jsonStr = HttpUtility.UrlEncode(jsonStr);//字符串进行编码,参数中有中文时一定需要这一步转换,否则接口接收的到参数会乱码
rsp = UtilTool.doHttpPost(url, "str=" + jsonStr);
}
3.整个调用过程就是这么简单,对于返回的参数解析问题要根据返回值做相应的处理即可。