Android向node.js编写的服务器发送数据，并接收请求

来源：互联网发布：晨曦软件视频编辑：程序博客网时间：2024/05/21 09:38

首先时node.js服务器端代码

var http = require("http");var fs = require("fs");var queryString = require('querystring');var url = require('url');var util = require('util');http.createServer(function (request, response) {    // 定义了一个post变量，用于暂存请求体的信息    var post = '';    request.on('data', function(chunk){        post += chunk;    });// 在end事件触发后，通过querystring.parse将post解析为真正的POST请求格式，然后向客户端返回。    request.on('end', function(){        post = queryString.parse(post);        console.log("请求结束"+post.body);        response.writeHead(200, {"Content-Type": "text/plain;charset=utf8"});        response.write("请求成功");        response.end();    });}).listen(8888);console.log("服务器启动");function writeFile(str) {    fs.writeFile('E:/log.txt', str, function (err) {        if (err) {            return console.error(err);        }        console.log("数据写入成功！");    })}

然后是Android部分

package com.example.hanbo.servertest;import android.support.v7.app.AppCompatActivity;import android.os.Bundle;import android.view.View;import android.widget.Button;import android.widget.TextView;import org.json.JSONObject;import java.io.BufferedReader;import java.io.BufferedWriter;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.io.UnsupportedEncodingException;import java.net.HttpURLConnection;import java.net.MalformedURLException;import java.net.ProtocolException;import java.net.URL;import java.net.URLEncoder;public class MainActivity extends AppCompatActivity {private TextView textView;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_main);         textView= (TextView) findViewById(R.id.textView);        Button button= (Button) findViewById(R.id.button);        button.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View view) {                textView.setText("开始请求");                new Thread(new Runnable() {                    @Override                    public void run() {                        HttpURLConnection connection = null;                        URL url = null;                        try {                            url = new URL("http://192.168.1.177:8888");                            connection = (HttpURLConnection) url.openConnection();                            connection.setRequestMethod("POST");                            connection.setConnectTimeout(8000);                            connection.setReadTimeout(8000);                            connection.setRequestProperty("Content-Type","application/json");                            OutputStream outputStream=connection.getOutputStream();                            BufferedWriter requestBody=new BufferedWriter(new OutputStreamWriter(outputStream));                            String str = URLEncoder.encode("抓哇", "UTF-8");                            requestBody.write("name=javaPost&body=1");                            requestBody.flush();                            requestBody.close();                            getResponseJava(connection);                        } catch (MalformedURLException e) {                            e.printStackTrace();                        } catch (ProtocolException e) {                            e.printStackTrace();                        } catch (IOException e) {                            e.printStackTrace();                        }                    }                }).start();            }        });    }    private void getResponseJava(HttpURLConnection urlConnection) {            InputStream in = null;            try {                in = urlConnection.getInputStream();//响应            } catch (IOException e) {                urlConnection.disconnect();                //textView.setText(e.getMessage());                return;            }            BufferedReader reader = null;            try {                reader = new BufferedReader(new InputStreamReader(in,"UTF-8"));            } catch (UnsupportedEncodingException e1) {                e1.printStackTrace();            }            final StringBuilder result = new StringBuilder();            String tmp = null;            try {                while((tmp = reader.readLine()) != null){                    result.append(tmp);                }            } catch (IOException e) {                //textView.setText(e.getMessage());                return;            } finally {                try {                    reader.close();                    urlConnection.disconnect();                } catch (IOException e) {                }            }            runOnUiThread(new Runnable() {                @Override                public void run() {                    textView.setText(result);                }            });        }    }

最后是结果图

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