类 BYhttpClient介绍

• java.lang.Object
• • cn.wangbaiyuan.tools.BYhttpClient

---

public class BYhttpClient
extends java.lang.Object

• • 构造器概要

    构造器

    构造器和说明

    BYhttpClient(java.lang.String iurl, java.lang.String iencode)

  • 方法概要

    All MethodsInstance MethodsConcrete Methods

    限定符和类型

    方法和说明

    java.lang.String

    sendHttpClientPOSTRequest(java.lang.String path, java.util.Map<java.lang.String,java.lang.String> params)

    • 从类继承的方法 java.lang.Object

      equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

• • 构造器详细资料

    • BYhttpClient

      public BYhttpClient(java.lang.String iurl,
      java.lang.String iencode)
      参数:

      iurl - 根地址，你的服务器加你的项目文件夹地址

      iencode - 编码格式

  • 方法详细资料

    • sendHttpClientPOSTRequest

      public java.lang.String sendHttpClientPOSTRequest(java.lang.String path,
      java.util.Map<java.lang.String,java.lang.String> params)
      throws ClientProtocolException,
      java.io.IOException
      参数:

      path - 相对于根地址的文件地址，你向哪个URL发起请求

      params - MAP格式的键值对

      返回: 完成提交post请求并获取服务器应答的字符串

      抛出:

      ClientProtocolException

      java.io.IOException

类 BYhttpClient代码

package cn.wangbaiyuan.tools;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;

import org.apache.http.HttpResponse;
import org.apache.http.NameValuePair;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.HttpClient;
import org.apache.http.client.entity.UrlEncodedFormEntity;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.message.BasicNameValuePair;
import org.apache.http.params.BasicHttpParams;
import org.apache.http.params.CoreConnectionPNames;
import org.apache.http.params.HttpParams;

import android.util.Log;
import android.widget.Toast;

@SuppressWarnings(“deprecation”)
/**
* 一个httppost的获取网络数据工具类，完成提交post请求并获取服务器应答的字符串
* @author 王柏元
*
*/
public class BYhttpClient {
private String hostUrl=”http://baiyuan.wang/“;
private String encode;
/**
*
* @param iurl 根地址，你的服务器加你的项目文件夹地址
* @param iencode 编码格式
*/
public BYhttpClient(String iurl,String iencode){
hostUrl=iurl;
encode=iencode;
}
/**
*
* @param path 相对于根地址的文件地址，你向哪个URL发起请求
* @param params MAP格式的键值对
* @return
* @throws ClientProtocolException
* @throws IOException
*/
public String sendHttpClientPOSTRequest(String path, Map<String, String> params) throws ClientProtocolException, IOException {
List pairs = new ArrayList();//存放请求参数
BufferedReader in = null;
Log.e(“bypaper”, hostUrl+”/“+path);
for(Map.Entry<String, String> entry:params.entrySet()){
pairs.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));
}
//防止客户端传递过去的参数发生乱码，需要对此重新编码成UTF-8
UrlEncodedFormEntity entity = new UrlEncodedFormEntity(pairs,encode);
HttpPost httpPost = new HttpPost(hostUrl+”/“+path);
Log.e(“bypaper”, hostUrl+”/“+path);

  httpPost.setEntity(entity);
  
 HttpClient client = new DefaultHttpClient();
 client.getParams().setIntParameter(CoreConnectionPNames.CONNECTION_TIMEOUT, 15000);
  HttpResponse response = client.execute(httpPost);
  Log.e("bypaper","client.execute(httpPost)");
  String result="服务器没有应答";
  if(response.getStatusLine().getStatusCode() == 200){
      in = new BufferedReader(new InputStreamReader(response.getEntity()  
              .getContent()));  
      StringBuffer sb = new StringBuffer("");  
      String line = "";  
      while ((line = in.readLine()) != null) {  
          sb.append(line);  
      }  
      in.close();  
      result = sb.toString();
  
  }
  else if(response.getStatusLine().getStatusCode() ==404){
      Toast.makeText(null, "页面不存在", Toast.LENGTH_SHORT);
  }
  return result;
 }

}