Socket理解-代码保存（服务器代码）

来源：互联网发布：linux java gcj java 编辑：程序博客网时间：2024/06/05 16:28
package com.socket.test;import java.io.BufferedReader;import java.io.File;import java.io.FileInputStream;import java.io.IOException;import java.io.InputStream;import java.io.InputStreamReader;import java.io.OutputStream;import java.io.OutputStreamWriter;import java.net.ServerSocket;import java.net.Socket;import java.sql.ResultSet;import java.sql.SQLException;import java.util.regex.Matcher;import java.util.regex.Pattern;public class MyHttpServer3 {public static void main(String[] args) {try{ServerSocket serverSocket=new ServerSocket(8880);while(true){Socket clientSocket=serverSocket.accept();InputStream inStream=clientSocket.getInputStream();InputStreamReader inReader=new InputStreamReader(inStream);BufferedReader buffReader=new BufferedReader(inReader);String line=buffReader.readLine();if(line==null){buffReader.close();inReader.close();inStream.close();continue;}System.out.println("客户端请求："+line);String filename=line.split(" ")[1];System.out.println("读取"+filename);OutputStream outStream=clientSocket.getOutputStream();OutputStreamWriter outWriter=new OutputStreamWriter(outStream);outWriter.write("HTTP/1.1 200 OK\r\n");outWriter.write("\r\n");outWriter.flush();if(filename.contains("?")){if(filename.startsWith("/add?")){Pattern pattern=Pattern.compile("i=(\\d+)&j=(\\d+)");Matcher matcher=pattern.matcher(line);if (matcher.find()) {int i=Integer.parseInt(matcher.group(1));int j=Integer.parseInt(matcher.group(2));int r=i+j;outWriter.write("<html><head></head><body>");outWriter.write(i+"+"+j+"="+r);outWriter.write("</body>");}}else if(filename.startsWith("/login?")){Pattern pattern = Pattern.compile("username=(.+?)&password=(.+?) HTTP/1.1");Matcher matcher = pattern.matcher(line);//GET /login?username=admin&password=123 HTTP/1.1if(matcher.find()){String username = matcher.group(1);String password = matcher.group(2);outWriter.write("<html><head></head><body>");if(username.equals("admin")&&password.equals("admin")){outWriter.write("登录成功");}else{outWriter.write("登录失败");}outWriter.write("</body></html");}}else if(filename.startsWith("/showUsers")){outWriter.write("<html><head></head><body>");outWriter.write("<table><thead><tr><td>Id</td><td>UserName</td><td>Password</td></tr></thead>\r\n");outWriter.write("<tbody>\r\n");try{ResultSet rs=JdbcUtils.executeQuery("select * from T_Users");while(rs.next()){int id=rs.getInt("Id");String username=rs.getString("UserName");String password=rs.getString("Password");outWriter.write("<tr><td>"+id+"</td><td>"+username+"</td><td>"+password+"</td></tr>\r\n");}}catch(SQLException e){e.printStackTrace();}outWriter.write("</tbody></table>\r\n");outWriter.write("</body></html");}}else{File file=new File("F:\\JavaWorkspace\\MyWeb", filename);if(file.exists()&&file.isFile()){FileInputStream fileInputStream=new FileInputStream(file);copy(fileInputStream,outStream);fileInputStream.close();}else{outWriter.append("没有找到");}}outWriter.close();outStream.close();clientSocket.close();}}catch(IOException e){e.printStackTrace();}}public static void copy(InputStream inStream,OutputStream outStream) throws IOException{byte[] bytes=new byte[1024];int len;while((len=inStream.read(bytes))>0){outStream.write(bytes, 0, len);}}}
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