HttpClientDopost方法

最新推荐文章于 2024-03-14 15:33:34 发布

原创最新推荐文章于 2024-03-14 15:33:34 发布 · 1.9k 阅读

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CC 4.0 BY-SA版权

本文介绍了一个使用HttpClient进行POST请求实现登录验证的方法。该方法通过设置请求超时时间、构造请求参数并发送到指定URL来模拟登录过程，并返回服务器响应的结果。

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public static String loginCheck_POST_HttpClient(String name,String pass,String url){
  String result = "";

  HttpPost post = new HttpPost(url);//创建httpClient的post请求对象
  //设置请求参数
  HttpParams params = new BasicHttpParams();
  HttpConnectionParams.setConnectionTimeout(params, 5*1000);
  HttpConnectionParams.setSoTimeout(params, 5*1000);
  //传值
  //创建List集合，存放向服务器传递的数据
  List<NameValuePair> reqData = new ArrayList<NameValuePair>();
  NameValuePair p1 = new BasicNameValuePair("username", name);
  NameValuePair p2 = new BasicNameValuePair("userpass", pass);
  reqData.add(p1);
  reqData.add(p2);

  try {
   HttpEntity entity = new UrlEncodedFormEntity(reqData, "utf-8");
   post.setEntity(entity);//给post请求对象，设置上传的数据
   HttpClient client = new DefaultHttpClient(params);//创建HttpClient对象
   HttpResponse res = client.execute(post);//执行post请求，获得结果
   if(res.getStatusLine().getStatusCode() == 200){
    HttpEntity resEntity = res.getEntity();//获得相应结果，是一个HttpEntity对象
    result = EntityUtils.toString(resEntity, "utf-8");//转换为字符串
   }
  } catch (UnsupportedEncodingException e1) {
   // TODO Auto-generated catch block
   e1.printStackTrace();
  } catch (ClientProtocolException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }

  return result;

}
public static String loginCheck_POST_HttpClient(String name,String pass,String url){
  String result = "";

  HttpPost post = new HttpPost(url);//创建httpClient的post请求对象
  //设置请求参数
  HttpParams params = new BasicHttpParams();
  HttpConnectionParams.setConnectionTimeout(params, 5*1000);
  HttpConnectionParams.setSoTimeout(params, 5*1000);
  //传值
  //创建List集合，存放向服务器传递的数据
  List<NameValuePair> reqData = new ArrayList<NameValuePair>();
  NameValuePair p1 = new BasicNameValuePair("username", name);
  NameValuePair p2 = new BasicNameValuePair("userpass", pass);
  reqData.add(p1);
  reqData.add(p2);

  try {
   HttpEntity entity = new UrlEncodedFormEntity(reqData, "utf-8");
   post.setEntity(entity);//给post请求对象，设置上传的数据
   HttpClient client = new DefaultHttpClient(params);//创建HttpClient对象
   HttpResponse res = client.execute(post);//执行post请求，获得结果
   if(res.getStatusLine().getStatusCode() == 200){
    HttpEntity resEntity = res.getEntity();//获得相应结果，是一个HttpEntity对象
    result = EntityUtils.toString(resEntity, "utf-8");//转换为字符串
   }
  } catch (UnsupportedEncodingException e1) {
   // TODO Auto-generated catch block
   e1.printStackTrace();
  } catch (ClientProtocolException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  } catch (IOException e) {
   // TODO Auto-generated catch block
   e.printStackTrace();
  }

  return result;

}