方法体
class HttpUitls
{
public static string Get(string Url)
{
//System.GC.Collect();
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(Url);
request.Proxy = null;
request.KeepAlive = false;
request.Method = "GET";
request.ContentType = "application/json; charset=UTF-8";
request.AutomaticDecompression = DecompressionMethods.GZip;
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
Stream myResponseStream = response.GetResponseStream();
StreamReader myStreamReader = new StreamReader(myResponseStream, Encoding.UTF8);
string retString = myStreamReader.ReadToEnd();
myStreamReader.Close();
myResponseStream.Close();
if (response != null)
{
response.Close();
}
if (request != null)
{
request.Abort();
}
return retString;
}
/// <summary> WebService:Post调用
/// </summary>
/// <param name="url">Webservice地址</param>
/// <param name="paramsOfUrl">传入数据</param>
/// <returns>返回结果</returns>
public static string DoPost(string url, Hashtable paramsOfUrl)
{
if (url == null)
{
throw new Exception("WebService地址为空");
}
HttpWebRequest request = (HttpWebRequest)HttpWebRequest.Create(url);
// 编辑并Encoding提交的数据
byte[] data = GetJointBOfParams(paramsOfUrl);
// 发送请求
request = (System.Net.HttpWebRequest)System.Net.WebRequest.Create(url);
request.Method = "POST";
request.ContentType = "application/x-www-form-urlencoded";
request.ContentLength = data.Length;
Stream stream = request.GetRequestStream();
stream.Write(data, 0, data.Length);
stream.Close();
// 获得回复
System.Net.HttpWebResponse response = (System.Net.HttpWebResponse)request.GetResponse();
StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8);
string result = reader.ReadToEnd();
reader.Close();
return result;
}
/// <summary> 拼接参数串----Get
/// </summary>
/// <param name="paramsOfUrl">参数项</param>
/// <returns>返回字符串</returns>
private static String GetJointSOfParams(System.Collections.Hashtable paramsOfUrl)
{
if (paramsOfUrl == null || paramsOfUrl.Count == 0) return String.Empty;
// 编辑并Encoding提交的数据
StringBuilder sbuilder = new StringBuilder();
int i = 0;
foreach (DictionaryEntry de in paramsOfUrl)
{
string value = ToHttpChar(de.Value.ToString());
if (i == 0)
{
sbuilder.Append(de.Key + "=" + value);
}
else
{
sbuilder.Append("&" + de.Key + "=" + value);
}
i++;
}
return sbuilder.ToString();
}
/// <summary> 拼接参数串----Post
/// </summary>
/// <param name="paramsOfUrl">参数项</param>
/// <returns>返回字节数组</returns>
private static byte[] GetJointBOfParams(Hashtable paramsOfUrl)
{
// 编辑并Encoding提交的数据
String stringJointOfParams = GetJointSOfParams(paramsOfUrl);
byte[] data = new ASCIIEncoding().GetBytes(stringJointOfParams);
return data;
}
/// <summary> 转义特殊字符
/// </summary>
private static string ToHttpChar(string value)
{
value = value.ToString().Replace("+", "%2B");
//value = value.ToString().Replace(" ", "%20");
//value = value.ToString().Replace("/", "%2F");
//value = value.ToString().Replace("?", "%3F");
//value = value.ToString().Replace("%", "%25");
//value = value.ToString().Replace("#", "%23");
//value = value.ToString().Replace("&", "%26");
//value = value.ToString().Replace("=", "%3D");
//value = value.ToString().Replace(@"\", "%5C");
//value = value.ToString().Replace(".", "%2E");
//value = value.ToString().Replace(":", "%3A");
return value;
}
/// <summary>
/// 调用api返回json
/// </summary>
/// <param name="url">api地址</param>
/// <param name="jsonstr">接收参数</param>
/// <param name="type">类型</param>
/// <returns></returns>
public static string HttpApi(string url, string jsonstr, string type)
{
Encoding encoding = Encoding.UTF8;
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);//webrequest请求api地址
request.Accept = "text/html,application/xhtml+xml,*/*";
request.ContentType = "application/json";
request.Method = type.ToUpper().ToString();//get或者post
byte[] buffer = encoding.GetBytes(jsonstr);
request.ContentLength = buffer.Length;
request.GetRequestStream().Write(buffer, 0, buffer.Length);
HttpWebResponse response = (HttpWebResponse)request.GetResponse();
using (StreamReader reader = new StreamReader(response.GetResponseStream(), Encoding.UTF8))
{
return reader.ReadToEnd();
}
}
}
发送post请求
string url = "https://baidu.com";
string pass = "123456";
string personId = "周杰伦";
Hashtable ht = new Hashtable();//将参数打包成json格式的数据
ht.Add("pass", pass);
ht.Add("personId", personId);
string aa = HttpUitls.DoPost(url, ht); //HttpRequest是自定义的一个类
MessageBox.Show(aa);
发送get请求
string url = "https://baidu.com";
string getJson = HttpUitls.Get(url);
发送JSON格式的数据请求
private void btnGetPhyNumber_Click(object sender, EventArgs e)
{
string getnumber = this.txtNumber.Text;//学号
if (string.IsNullOrEmpty(getnumber))
{
MessageBox.Show("学号不能为空,请输入学工号!");
}
else
{
try
{
string url = "https://baidu.com";
SingleNumber model = new SingleNumber
{
number = getnumber,
};
//对象序列化Json
string strJson = JsonConvert.SerializeObject(model);
string getJson = HttpUitls.HttpApi(url, strJson, "post");
GetPhyNumber json = JsonConvert.DeserializeObject<GetPhyNumber>(getJson);//反序列化对象
this.txtPhyNumber.Text = json.data[0].phynumber;
}
catch(Exception ex)
{
MessageBox.Show(ex.ToString());
}
}
}
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