大家好，我已经用 Java 创建了一个 Web 服务器。它提供目录中的文件。它工作正常，一切都很好，除了当我尝试访问其中包含图像的文件时，它不会加载它们。
这是代码。
import java.io.BufferedReader;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.PrintWriter;
import java.net.ServerSocket;
import java.net.Socket;
public class Main {
/**
* @param args
* @throws Exception
*/
public static void main(String[] args) throws Exception {
// TODO Auto-generated method stub
new Main().runserver();
}
ServerSocket serverSocket;
public void runserver() throws Exception {
serverSocket = new ServerSocket(8080);
acceptRequest();
}
private void acceptRequest() throws Exception{
while(true){
Socket s = serverSocket.accept();
ConnectionHandler ch = new ConnectionHandler(s);
ch.start();
}
}
public class ConnectionHandler extends Thread {
PrintWriter pw;
BufferedReader br;
Socket s;
public ConnectionHandler(Socket s) throws Exception{
this.s = s;
br = new BufferedReader(new InputStreamReader(s.getInputStream()));
pw = new PrintWriter(s.getOutputStream());
}
@Override
public void run() {
try{
String reqS = "";
while (br.ready() || reqS.length() == 0){
reqS += (char) br.read();
}
System.out.println(reqS);
HttpRequest req = new HttpRequest(reqS);
HttpResponse res = new HttpResponse(req);
pw.write(res.response.toCharArray());
pw.close();
br.close();
s.close();
}
catch (Exception e) {
e.printStackTrace();
}
}
}
public class HttpRequest{
public String filename ;
public HttpRequest(String request){
String lines[] = request.split("\n");
lines = lines[0].split(" ");
filename = lines[1];
}
}
public class HttpResponse{
HttpRequest req;
String root;
String response;
public HttpResponse(HttpRequest request){
req=request;
root = "D:/";
File f = new File(root + req.filename);
try{
response+= "HTTP/1.1 200 \r\n";
response+= "Apache Server /1.0";
response+= "Content-Type: text/html \r\n";
response+="Connection: close \r\n";
response+= "Content-Length:" + f.length() + "\r\n";
response+= "\r\n";
FileInputStream fis = new FileInputStream(f);
int s;
while ((s = fis.read()) != -1){
response += (char)s ;
}
fis.close();
}catch(FileNotFoundException fg){
response = response.replace("200", "404");
}
catch(IOException e ){
response = response.replace("200", "500");
e.printStackTrace();
}
}
}
}