Android客户端实现与服务器通信

基本信息

源码名称：Android客户端实现与服务器通信

源码大小：3.62KB

文件格式：.zip

开发语言：Java

更新时间：2015-09-10

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源码介绍

服务器端源码：

package service;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

public class ServletTest extends HttpServlet {

	/**
	 * Constructor of the object.
	 */
	public ServletTest() {
		super();
	}

	/**
	 * Destruction of the servlet. <br>
	 */
	public void destroy() {
		super.destroy(); // Just puts "destroy" string in log
		// Put your code here
	}

	/**
	 * The doGet method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to get.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		System.out.println(request.getParameter("param"));
		response.getOutputStream().print("Server I coming");
	}

	/**
	 * The doPost method of the servlet. <br>
	 *
	 * This method is called when a form has its tag value method equals to post.
	 * 
	 * @param request the request send by the client to the server
	 * @param response the response send by the server to the client
	 * @throws ServletException if an error occurred
	 * @throws IOException if an error occurred
	 */
	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {

		response.setContentType("text/html");
		PrintWriter out = response.getWriter();
		out.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
		out.println("<HTML>");
		out.println("  <HEAD><TITLE>A Servlet</TITLE></HEAD>");
		out.println("  <BODY>");
		out.print("    This is ");
		out.print(this.getClass());
		out.println(", using the POST method");
		out.println("  </BODY>");
		out.println("</HTML>");
		out.flush();
		out.close();
	}

	/**
	 * Initialization of the servlet. <br>
	 *
	 * @throws ServletException if an error occurs
	 */
	public void init() throws ServletException {
		// Put your code here
	}

}

客户端源码

package com.test;

import java.io.BufferedReader;
import java.io.DataOutputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLDecoder;
import java.net.URLEncoder;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.widget.*;
public class TestActivity extends Activity {
   
	private Button mButton;
	private TextView mText;
	private int[]mColors;
	private int colornum;
	
	/** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
		/* 本机测试 因为安卓虚拟机把自己当做了主机 所以服务器端的url写成10.0.2.2 */
        String strUrl="http://10.0.2.2:8080/servlet_db/ServletTest?param=helloWorld";
        URL url= null;
        try {
        	url=new URL(strUrl);
        	HttpURLConnection urlConn=(HttpURLConnection)url.openConnection();
        	InputStreamReader in= new InputStreamReader(urlConn.getInputStream());
        	BufferedReader bufferReader= new BufferedReader(in);
        	String result="";
        	String readLine=null;
        	while((readLine=bufferReader.readLine())!=null)
        	{
        		result =readLine;
        	}
        	in.close();
        	urlConn.disconnect();
        	TextView textView=(TextView)this.findViewById(R.id.result);
        	textView.setText(result);
        } catch (Exception e) {
			// TODO: handle exception
		}
        
    }
}