HttpUtil

package com.apm.util;import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.net.URL;import java.net.URLConnection;import java.util.Map;import org.apache.commons.httpclient.HttpClient;import org.apache.commons.httpclient.NameValuePair;import org.apache.commons.httpclient.methods.PostMethod;import org.apache.log4j.Logger;public class HttpUtil {private static final Logger logger = Logger.getLogger(HttpUtil.class);/** * http post请求 * @param url地址 * @param postContentpost内容格式为param1=value¶m2=value2¶m3=value3 * @return * @throws IOException */public static String httpPostRequest(URL url, String postContent) throws Exception{OutputStream outputstream = null;BufferedReader in = null;try{URLConnection httpurlconnection = url.openConnection();httpurlconnection.setConnectTimeout(10 * 1000);httpurlconnection.setDoOutput(true);httpurlconnection.setUseCaches(false);OutputStreamWriter out = new OutputStreamWriter(httpurlconnection.getOutputStream(), "UTF-8");out.write(postContent);out.flush();StringBuffer result = new StringBuffer();in = new BufferedReader(new InputStreamReader(httpurlconnection.getInputStream(),"UTF-8"));String line;while ((line = in.readLine()) != null){result.append(line);}return result.toString();}catch(Exception ex){logger.error("post请求异常：" + ex.getMessage());throw new Exception("post请求异常：" + ex.getMessage());}finally{if (outputstream != null){try{outputstream.close();}catch (IOException e){outputstream = null;}}if (in != null){try{in.close();}catch (IOException e){in = null;}}}}/** * 通过httpClient进行post提交 * @param url提交url地址 * @param charset字符集 * @param keys参数名 * @param values参数值 * @return * @throws Exception */public static String HttpClientPost(String url , String charset , String[] keys , String[] values) throws Exception{HttpClient client = null;PostMethod post = null;String result = "";int status = 200;try {           client = new HttpClient();                               //PostMethod对象用于存放地址             //总账户的测试方法               post = new PostMethod(url);                        //NameValuePair数组对象用于传入参数               post.addRequestHeader("Content-Type","application/x-www-form-urlencoded;charset=" + charset);//在头文件中设置转码               String key = "";               String value = "";               NameValuePair temp = null;               NameValuePair[] params = new NameValuePair[keys.length];               for (int i = 0; i < keys.length; i++) {               key = (String)keys[i];               value = (String)values[i];               temp = new NameValuePair(key , value);                  params[i] = temp;               temp = null;               }              post.setRequestBody(params);                //执行的状态              status = client.executeMethod(post);               logger.info("status = " + status);                             if(status == 200){              result = post.getResponseBodyAsString();              }               } catch (Exception ex) {// TODO: handle exceptionthrow new Exception("通过httpClient进行post提交异常：" + ex.getMessage() + " status = " + status);}finally{post.releaseConnection(); }return result;}/** * 字符串处理,如果输入字符串为null则返回"",否则返回本字符串去前后空格。 * @param inputStr输入字符串 * @returnstring 输出字符串 */    public static String doString(String inputStr){    //如果为null返回""        if(inputStr == null || "".equals(inputStr) || "null".equals(inputStr)){    return "";    }        //否则返回本字符串把前后空格去掉    return inputStr.trim();    }    /**     * 对象处理，如果输入对象为null返回"",否则则返回本字符对象信息，去掉前后空格     * @param object     * @return     */    public static String doString(Object object){    //如果为null返回""        if(object == null || "null".equals(object) || "".equals(object)){    return "";    }        //否则返回本字符串把前后空格去掉    return object.toString().trim();    }    }