简单记下httpclientjava实现get,post请求

package com.insigma.siis.local.business.phrsapp.phrsappreg;


import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.net.URISyntaxException;
import java.net.URL;
import java.net.URLConnection;
import java.util.Calendar;
import java.util.List;
import java.util.Map;


import net.sf.json.JSONObject;


import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.HttpException;
import org.apache.commons.httpclient.HttpStatus;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.PostMethod;
import org.apache.http.client.ClientProtocolException;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.HttpEntity;
import org.apache.http.util.EntityUtils;
import org.apache.http.ParseException;




import com.insigma.odin.framework.AppException;
import com.insigma.odin.framework.BSSupport;


/**
 * 人社APP企业注册
 * 
 * @author 李维俊
 *
 */


public class PhrsappRegBS extends BSSupport {
private String client_id = "___";
private String client_secret = "_____________________________";
private String token_method = "http://________/phrs/oauth/token";
private String reg_method1 = "http://________/phrs/company-user/register";
private String reg_method2 = "http://________/phrs/company-user/info";
private String reg_method3 = "http://________/phrs/company-user/modify";

public static class UTF8PostMethod extends PostMethod{     
       public UTF8PostMethod(String url){     
           super(url);     
       }     
       @Override    
       public String getRequestCharSet() {     
           //return super.getRequestCharSet();     
           return "utf-8";     
       }     
   } 
private String sendMsg(NameValuePair[] parametersBody,String methods) {
HttpClient httpClient =  new HttpClient();  


//
        PostMethod postMethod = new UTF8PostMethod(methods);  
        postMethod.setRequestBody(parametersBody);
String response= "";//要返回的response信息  
int statusCode = 0;  
        try {  
            statusCode = httpClient.executeMethod(postMethod);  
        } catch (HttpException e) {  
            e.printStackTrace();  
        } catch (IOException e) {  
            e.printStackTrace();  
        }  
        // HttpClient对于要求接受后继服务的请求，象POST和PUT等不能自动处理转发  
        // 301或者302  
        if (statusCode == HttpStatus.SC_MOVED_PERMANENTLY  
                || statusCode == HttpStatus.SC_MOVED_TEMPORARILY) {  
            // 从头中取出转向的地址  
            Header locationHeader = postMethod.getResponseHeader("location");  
            String location = null;  
            if (locationHeader != null) {  
                location = locationHeader.getValue();  
                System.out.println("The page was redirected to:" + location);  
//                response= methodPost(location,data);//用跳转后的页面重新请求。  
            } else {  
                System.err.println("Location field value is null.");  
            }  
        } else {  
            System.out.println(postMethod.getStatusLine());  
  
            try {  
                response= postMethod.getResponseBodyAsString();  
            } catch (IOException e) {  
                e.printStackTrace();  
            }  
            postMethod.releaseConnection();  
        }  
        return response;
}

private String getToken(){
// 核心应用类
NameValuePair[] parametersBody = new NameValuePair[2];
parametersBody[0] = new NameValuePair("client_id", client_id);
parametersBody[1] = new NameValuePair("client_secret",client_secret);
String response = sendMsg(parametersBody,token_method);
JSONObject jobj = JSONObject.fromObject(response);
return jobj.getString("access_token");


}

public String getEncoding(String str) {      
       String encode = "GB2312";      
      try {      
          if (str.equals(new String(str.getBytes(encode), encode))) {      //判断是不是GB2312
               String s = encode;      
              return s;      //是的话，返回“GB2312“，以下代码同理
           }      
       } catch (Exception exception) {      
       }      
       encode = "ISO-8859-1";      
      try {      
          if (str.equals(new String(str.getBytes(encode), encode))) {      //判断是不是ISO-8859-1
               String s1 = encode;      
              return s1;      
           }      
       } catch (Exception exception1) {      
       }      
       encode = "UTF-8";      
      try {      
          if (str.equals(new String(str.getBytes(encode), encode))) {   //判断是不是UTF-8
               String s2 = encode;      
              return s2;      
           }      
       } catch (Exception exception2) {      
       }      
       encode = "GBK";      
      try {      
          if (str.equals(new String(str.getBytes(encode), encode))) {      //判断是不是GBK
               String s3 = encode;      
              return s3;      
           }      
       } catch (Exception exception3) {      
       }      
      return "";        //如果都不是，说明输入的内容不属于常见的编码格式。
   }




/**
* 企业注册信息
* 
* @param dto
* @return
* @throws AppException
*/
public void save(PhrsappRegDTO dto) throws AppException,URISyntaxException,
ClientProtocolException, IOException {
String encode = getEncoding(dto.getAaa006());
System.out.println(encode);
String aaa001 = dto.getAaa001();
String aaa002 = dto.getAaa002();
String aaa003 = dto.getAaa003();
String aaa004 = dto.getAaa004();
String aaa005 = dto.getAaa005();
String aaa006 = dto.getAaa006();
String aaa007 = dto.getAaa007();

// 示例：提交用户名和密码
System.out.println(getEncoding(aaa006));
System.out.println("aaa003"+aaa003);
System.out.println("aaa004"+aaa004);
NameValuePair[] parametersBody = new NameValuePair[8];
String token = getToken();
parametersBody[0] = new NameValuePair("access_token",token);
parametersBody[1] = new NameValuePair("username",aaa001);
parametersBody[2] = new NameValuePair("password",aaa002);
parametersBody[3] = new NameValuePair("companyName",aaa003);
parametersBody[4] = new NameValuePair("address",aaa004);
parametersBody[5] = new NameValuePair("phoneNumb",aaa005);
parametersBody[6] = new NameValuePair("legalRepr",aaa006);
parametersBody[7] = new NameValuePair("email",aaa007);
//
String response = sendMsg(parametersBody,reg_method1);
System.out.println(response);

JSONObject jobj = JSONObject.fromObject(response);
if(jobj.getString("success").equals("true")){
return;
}else{

throw new AppException("保存出错:"+jobj.getString("message"));
}


}

public String sendGet(String reg_method3,String token, String aaa001) {
        String result = "";
        BufferedReader in = null;
        try {
            String urlNameString = reg_method3 + "?access_token=" +token+"&username="+aaa001;
            URL realUrl = new URL(urlNameString);
            // 打开和URL之间的连接
            URLConnection connection = realUrl.openConnection();
            // 设置通用的请求属性
            connection.setRequestProperty("accept", "*/*");
            connection.setRequestProperty("connection", "Keep-Alive");
            connection.setRequestProperty("Charsert", "UTF-8");
            connection.setRequestProperty("user-agent",
                    "Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1;SV1)");
            // 建立实际的连接
            connection.connect();
            // 获取所有响应头字段
            Map<String, List<String>> map = connection.getHeaderFields();
            // 遍历所有的响应头字段
//            for (String key : map.keySet()) {
//                System.out.println(key + "--->" + map.get(key));
//            }
            // 定义 BufferedReader输入流来读取URL的响应
            in = new BufferedReader(new InputStreamReader(
                    connection.getInputStream()));
            String line;
            while ((line = in.readLine()) != null) {
                result += line;
            }
        } catch (Exception e) {
            System.out.println("发送GET请求出现异常！" + e);
            e.printStackTrace();
        }
        // 使用finally块来关闭输入流
        finally {
            try {
                if (in != null) {
                    in.close();
                }
            } catch (Exception e2) {
                e2.printStackTrace();
            }
        }
        return result;
    }




/**
* 企业信息查询
* 
* @param aaa001
* @return
* @throws AppException
*/
public PhrsappRegDTO query(String aaa001) throws AppException,
URISyntaxException, ClientProtocolException, IOException {


PhrsappRegDTO dto = new PhrsappRegDTO();
// 示例：提交用户名和密码
String token = getToken();
//
NameValuePair[] parametersBody = new NameValuePair[2];
parametersBody[0] = new NameValuePair("access_token",token);
parametersBody[1] = new NameValuePair("username",aaa001);

String response = sendMsg(parametersBody,reg_method2);

System.out.println(response);
// response = new String(response.getBytes("utf8"),"GB2312");
// System.out.println("gb2312:"+new String(response.getBytes("GB2312")));
// System.out.println("GBK:"+new String(response.getBytes("GBK")));
// System.out.println("UTF-8:"+new String(response.getBytes("UTF-8")));
// System.out.println("ISO-8859-1:"+new String(response.getBytes("ISO-8859-1")));
// response = new String(response.getBytes("utf8"));
// System.out.println(response);
JSONObject jobj = JSONObject.fromObject(response);
if (jobj.getString("success").equals("true")) {
JSONObject subObj = JSONObject.fromObject(jobj.getString("body"));

if(subObj.has("companyName")){
String aaa003 = new String(subObj.getString("companyName"));
dto.setAaa003(aaa003);
}else{
dto.setAaa003("无");
}
if(subObj.has("address")){
String aaa004 = new String(subObj.getString("address"));
dto.setAaa004(aaa004);
}else{
dto.setAaa004("无");
}
if(subObj.has("phoneNumb")){
dto.setAaa005(subObj.getString("phoneNumb"));
}else{
dto.setAaa005("无");
}
if(subObj.has("legalRepr")){
String aaa006 = new String(subObj.getString("address"));
dto.setAaa006(aaa006);
}else{
dto.setAaa006("无");
}
if(subObj.has("email")){
dto.setAaa007(subObj.getString("email"));
}else{
dto.setAaa007("无");
}
if(subObj.has("createTime")){
Calendar ca = Calendar.getInstance();
ca.setTimeInMillis(Long.parseLong(subObj.getString("createTime")));
dto.setAaa008(ca.get(Calendar.YEAR)+"-"+(ca.get(Calendar.MONTH)+1)+"-"+(ca.get(Calendar.DAY_OF_MONTH)+1)+" "+ca.get(Calendar.HOUR_OF_DAY)+":"+ca.get(Calendar.MINUTE)+":"+ca.get(Calendar.SECOND));
// dto.setAaa008(subObj.getString("createTime"));
}else{
dto.setAaa008("无");
}
if(subObj.has("sts")){
dto.setAaa009(subObj.getString("sts"));
}else{
dto.setAaa009("无");
}

return dto;
} else {


throw new AppException("查询出错:" + jobj.getString("message"));
}


}

/**
* 企业信息更新
* 
* @param dto
* @return
* @throws AppException
*/
public void modify(PhrsappRegDTO dto) throws AppException,
URISyntaxException, ClientProtocolException, IOException {
// 示例：提交用户名和密码
NameValuePair[] parametersBody = new NameValuePair[9];
String token = getToken();
String encode =  getEncoding(dto.getAaa006());
System.out.println("encode:"+encode);
parametersBody[0] = new NameValuePair("access_token",token);
parametersBody[1] = new NameValuePair("username",dto.getAaa001());
parametersBody[2] = new NameValuePair("password",dto.getAaa002());
parametersBody[3] = new NameValuePair("companyName",dto.getAaa003());
parametersBody[4] = new NameValuePair("address",dto.getAaa004());
parametersBody[5] = new NameValuePair("phoneNumb",dto.getAaa005());
parametersBody[6] = new NameValuePair("legalRepr",dto.getAaa006());
parametersBody[7] = new NameValuePair("email",dto.getAaa007());
parametersBody[8] = new NameValuePair("sts",dto.getAaa009());
//
String response = sendMsg(parametersBody, reg_method3);
System.out.println(response);


JSONObject jobj = JSONObject.fromObject(response);
if (jobj.getString("success").equals("true")) {
// dto.setAaa003(jobj.getString("companyName"));
// dto.setAaa004(jobj.getString("address"));
// dto.setAaa005(jobj.getString("phoneNum"));
// dto.setAaa006(jobj.getString("legalRepr"));
// dto.setAaa007(jobj.getString("email"));
// dto.setAaa008(jobj.getString("createTime"));
// dto.setAaa009(jobj.getString("sts"));
return ;
} else {


throw new AppException("修改出错:" + jobj.getString("message"));
}


}
}