客户端通过http协议以多参数方式连接服务端

野性酷女 2022-08-07 03:49 203阅读 0赞

服务端：  
/\*\*  
 \* 接收并处理http请求  
 \*/  
public ModelAndView list(HttpServletRequest request, HttpServletResponse response) throws Exception \{  
System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");  
String broadcast = request.getParameter("broadcast");  
String username = request.getParameter("username");  
String title = request.getParameter("title");  
String message = request.getParameter("message");  
String uri = request.getParameter("uri");  
String apiKey = Config.getString("apiKey", "");  
logger.debug("apiKey=" + apiKey);  
if (broadcast.equalsIgnoreCase("Y")) \{  
notificationManager.sendBroadcast(apiKey, title, message, uri);  
\} else \{  
notificationManager.sendNotifcationToUser(apiKey, username, title, message, uri);  
\}  
System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~");  
return null;  
\}

客户端：  
import java.io.OutputStream;  
import java.net.HttpURLConnection;  
import java.net.URL;  
import java.net.URLEncoder;  
import java.util.ArrayList;  
import java.util.HashMap;  
import java.util.List;  
import java.util.Map;  
import org.apache.http.HttpResponse;  
import org.apache.http.NameValuePair;  
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;  
  
public class ClientTest \{  
/\*\*  
\* 第一种方案  
\* 多参数以post方式提交  
\* \*/  
public static boolean sendPostRequest(String path, Map<String, String> params, String enc) throws Exception\{    
       StringBuilder sb = new StringBuilder();    
        if(params!=null && !params.isEmpty())\{    
            for(Map.Entry<String, String> entry : params.entrySet())\{    
                sb.append(entry.getKey()).append('=')    
                    .append(URLEncoder.encode(entry.getValue(), enc)).append('&');    
            \}    
            sb.deleteCharAt(sb.length()-1);    
        \}    
        byte\[\] entitydata = sb.toString().getBytes();//得到实体的二进制数据    
        URL url = new URL(path);    
        HttpURLConnection conn = (HttpURLConnection)url.openConnection();    
        conn.setRequestMethod("POST");    
        conn.setConnectTimeout(5 \* 1000);    
        conn.setDoOutput(true);//如果通过post提交数据，必须设置允许对外输出数据    
        //Content-Type: application/x-www-form-urlencoded    
        //Content-Length: 38    
        conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");    
        conn.setRequestProperty("Content-Length", String.valueOf(entitydata.length));    
        OutputStream outStream = conn.getOutputStream();    
        outStream.write(entitydata);    
        outStream.flush();    
        outStream.close();    
        if(conn.getResponseCode()==200)\{    
            return true;    
        \}    
        return false;    
    \}   
/\*\*  
\* 测试  
\* \*/  
public void testSendPostRequest() throws Throwable\{    
        Map<String, String> params = new HashMap<String, String>();    
        params.put("method", "save");    
        params.put("title", "smith赵虹荣");    
        params.put("timelength", "80");    
        new ClientTest().sendPostRequest("http://localhost:8080/msgServer.do", params, "UTF-8");    
    \}  
  
/\*\*  
\* 第二种方案  
\* 多参数以post方式提交  
\* \*/  
public static boolean sendRequestFromHttpClient(String path, Map<String, String> params, String enc) throws Exception\{    
        List<NameValuePair> paramPairs = new ArrayList<NameValuePair>();    
        if(params!=null && !params.isEmpty())\{    
            for(Map.Entry<String, String> entry : params.entrySet())\{    
                paramPairs.add(new BasicNameValuePair(entry.getKey(), entry.getValue()));    
            \}    
        \}    
        UrlEncodedFormEntity entitydata = new UrlEncodedFormEntity(paramPairs, enc);//得到经过编码过后的实体数据    
        HttpPost post = new HttpPost(path); //form    
        post.setEntity(entitydata);    
        DefaultHttpClient client = new DefaultHttpClient(); //浏览器    
        HttpResponse response = client.execute(post);//执行请求    
        if(response.getStatusLine().getStatusCode()==200)\{    
            return true;    
        \}    
        return false;    
    \}    
/\*\*  
\* 测试  
\* \*/  
public void testSendRequestFromHttpClient() throws Throwable\{    
   Map<String, String> params = new HashMap<String, String>();    
   params.put("method", "save");    
   params.put("title", "赵虹荣");    
   params.put("timelength", "80");    
   boolean result = new ClientTest().sendRequestFromHttpClient("http://localhost:8080/msgServer.do", params, "UTF-8");    
\}      
  
public static void main(String\[\] args) throws Exception\{  
try \{  
new ClientTest().testSendPostRequest();  
\} catch (Throwable e) \{  
e.printStackTrace();  
\}  
\}  
\}