java 之 HttpClient（可用作服务器端的验证）

package com.brainlong.framework.util.httpclient;

import net.sf.json.JSONObject;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.entity.StringEntity;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.util.EntityUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.IOException;
import java.net.URLDecoder;

public class HttpRequestUtils {
private static Logger logger = LoggerFactory.getLogger(HttpRequestUtils.class);    //日志记录

/**
* httpPost
* @param url  路径
* @param jsonParam 参数
* @return
*/
public static JSONObject httpPost(String url,JSONObject jsonParam){
return httpPost(url, jsonParam, false);
}

/**
* post请求
* @param url         url地址
* @param jsonParam     参数
* @param noNeedResponse    不需要返回结果
* @return
*/
public static JSONObject httpPost(String url,JSONObject jsonParam, boolean noNeedResponse){
//post请求返回结果
DefaultHttpClient httpClient = new DefaultHttpClient();
JSONObject jsonResult = null;
HttpPost method = new HttpPost(url);
try {
if (null != jsonParam) {
//解决中文乱码问题
StringEntity entity = new StringEntity(jsonParam.toString(), "utf-8");
entity.setContentEncoding("UTF-8");
entity.setContentType("application/json");
method.setEntity(entity);
}
HttpResponse result = httpClient.execute(method);
url = URLDecoder.decode(url, "UTF-8");
/**请求发送成功，并得到响应**/
if (result.getStatusLine().getStatusCode() == 200) {
String str = "";
try {
/**读取服务器返回过来的json字符串数据**/
str = EntityUtils.toString(result.getEntity());
if (noNeedResponse) {
return null;
}
/**把json字符串转换成json对象**/
jsonResult = JSONObject.fromObject(str);
} catch (Exception e) {
logger.error("post请求提交失败:" + url, e);
}
}
} catch (IOException e) {
logger.error("post请求提交失败:" + url, e);
}
return jsonResult;
}

/**
* 发送get请求
* @param url    路径
* @return
*/
public static JSONObject httpGet(String url){
//get请求返回结果
JSONObject jsonResult = null;
try {
DefaultHttpClient client = new DefaultHttpClient();
//发送get请求
HttpGet request = new HttpGet(url);
HttpResponse response = client.execute(request);

/**请求发送成功，并得到响应**/
if (response.getStatusLine().getStatusCode() == HttpStatus.SC_OK) {
/**读取服务器返回过来的json字符串数据**/
String strResult = EntityUtils.toString(response.getEntity());
/**把json字符串转换成json对象**/
jsonResult = JSONObject.fromObject(strResult);
} else {
logger.error("get请求提交失败:" + url);
}
} catch (IOException e) {
logger.error("get请求提交失败:" + url, e);
}
return jsonResult;
}
}