Java课程设计博客（团队）

1. 团队/项目名称

• 使用JAVA实现简易HTTP服务器

2. 团队成员

• 组长：林一心

  

• 组员：张杭镖

  

3. 项目git地址

https://github.com/orange666/HTTPServer/

4. 项目git提交记录截图

5. 项目功能架构图与主要功能流程图

（1）功能框架图

（2）功能流程图

6. 项目运行截图

7. 项目关键代码

private void doGet(DataInputStream in , OutputStream out, String reqLine) throws IOException{

	String [] tokens = reqLine.split("\\s+");  //数组储存分隔符，正则表达式，\\s空格

	String filePath = tokens[1];      //文件地址

	String fileName = filePath;       //文件名

	/*

	if(filePath.indexOf('?') != -1){  //是否包含键值对（？开头，URL规范）

		String fileNm = fileName.substring(0,fileName.indexOf('?')); //判定url是否有键值对

		String parameters = fileName.substring(fileName.indexOf('?')+1, fileName.length());//提取？以后键值对内容

		String [] pars = parameters.split("&"); //分隔符

		HashMap<String ,ArrayList<String>> parameterMap = new HashMap<String ,ArrayList<String>>();

		for(String s : pars){

			String[] kv = s.split("=");

			String key = null;

			String value = null;

			if(kv.length == 2 ){

				key = kv[0] ;

				value = kv[1];

			}else if(kv.length == 1 ){

				key = kv[0] ;

				value = "";

			}else{

				continue ;

			}

			ArrayList<String> values = parameterMap.get(key);

			if(values == null){

				values = new ArrayList<String>();

				values.add(value);

				parameterMap.put(key, values);

			}else{

				values.add(value);

			}

		}

			fileName = fileNm;

			doGetWithParameter( in ,  out, fileName , parameterMap);

		    return ;

	}else{

		if(fileName.endsWith("/")){

			fileName += indexFileNname;//资源名

		}

	}

	*/

	if(fileName.endsWith("/")){

		fileName += indexFileNname;//资源名

	}

	String contentTpye = URLConnection.getFileNameMap().getContentTypeFor(fileName);//判断需求类型，得到请求类型，比如图片、文字等

	String version = null ;  //版本号

	if(tokens.length > 2){

		version = tokens[2]; //提取版本号

	}

	Writer outPut = new OutputStreamWriter(out);

	File theFile = new File(rootDirectory,fileName.substring(1, fileName.length()));  //index文件名，从1即/开始

	if(theFile.canRead() && theFile.getCanonicalPath().startsWith(rootDirectory.getPath())&& !theFile.isDirectory()){//判断是否只读/以已设置目录开头/是否合法路径

		byte[] theData = Files.readAllBytes(theFile.toPath()); //字节数组，存文件内容

		if(version.startsWith("HTTP/")){

			senderHeader(outPut,"Http/1.0 200 OK",contentTpye,theData.length); //向客户端输出报文

		}

		out.write(theData);//111

		out.flush();

	}else{

		String body = new StringBuilder("HTTP error 404 :File Not Found\r\n").toString();//

		if(version.startsWith("HTTP/")){

			senderHeader(outPut,"Http/1.0 404 File Not Found","text/html;charset=utf-8",body.length());

		}

		outPut.write(body);

		outPut.flush();

	}

}

private void doPost(DataInputStream in , OutputStream out, String reqLine) throws IOException{ 

	String [] tokens = reqLine.split("\\s+");

		String reqPath = tokens[1] ;

		HashMap<String ,String> headers = new HashMap<String ,String>();

		in.skip(1);

		String theLine = in.readLine();

		//System.out.println(theLine);

		while (theLine != null) {

			System.out.println(theLine);

			if ("".equals(theLine)) {

				break;

			}

			String [] headKV = theLine.split(": ");

			headers.put(headKV[0], headKV[1]);

			theLine = in.readLine();

		//System.out.println("文字:"+theLine);

	}

   /*分析表单编码类型*、

   Set<Entry<String, String>>entrys = headers.entrySet();

	for(Entry<String, String> h : entrys){

		if(h.getKey().equalsIgnoreCase("Content-Type")){

			if(h.getValue().contains("application/x-www-form-urlencoded")){

				doPostWithformUrlencoded( in ,  out , headers  );

				return ;

			}else if(h.getValue().contains("multipart/form-data")){

				//doPostWithMultiPart( in ,  out , headers );

				return ;

			}

		}

	}

	Writer outPut = new OutputStreamWriter(out);

	String body = new StringBuilder("HTTP error 501 :Not Implemented \r\n").toString();

	String version = null ;

	if(tokens.length > 2){

		version = tokens[2];

	}

	if(version.startsWith("HTTP/")){

		senderHeader(outPut,"Http/1.0 501 Not Implemented ","text/html;charset=utf-8",body.length());

	}

	outPut.write(body);

	outPut.flush();

}

/*默认application/x-www-form-urlencoded  */

void doPostWithformUrlencoded(DataInputStream in , OutputStream out ,HashMap<String ,String> headers ) throws IOException{

	Writer outPut = new OutputStreamWriter(out);

	int contentLength = 0 ;

	 Set<Entry<String, String>>entrys = headers.entrySet();

		for(Entry<String, String> h : entrys){

			if(h.getKey().equalsIgnoreCase("Content-Length")){

				contentLength =  Integer.parseInt(h.getValue());

				break ;

			}

		}

		if(contentLength != 0){

			byte []bodyContent = new byte[contentLength];

			int totalRed = 0 ;

			int size = 0 ;

			while(totalRed < contentLength){

			  size = 	in.read(bodyContent, totalRed, contentLength-totalRed) ;

			  totalRed += size;

			}

			String parameters = new String(bodyContent);

			String [] pars = parameters.split("&");

			HashMap<String ,ArrayList<String>> parameterMap = new HashMap<String ,ArrayList<String>>();

			for(String s : pars){

				String[] kv = s.split("=");

				String key = null;

				String value = null;

				if(kv.length == 2 ){

					key = kv[0] ;

					value = kv[1];

				}else if(kv.length == 1 ){

					key = kv[0] ;

					value = "";

				}else{

					continue ;

				}

				ArrayList<String> values = parameterMap.get(key);

				if(values == null){

					values = new ArrayList<String>();

					values.add(value);

					parameterMap.put(key, values);

				}else{

					values.add(value);

				}

			}

			StringBuilder body = new StringBuilder();

			body.append("<html><head><title>Test post with formUrlencoded</title></head><body><p>Post is ok</p></body></html>");

			senderHeader(outPut,"Http/1.0 200 OK","text/html;charset=utf-8",body.length());

			outPut.write(body.toString());

			outPut.flush();

		}

}

8. 尚待改进或者新的想法

上传文件及下载文件功能

9. 团队成员任务分配，团队成员课程设计博客链接

团队成员	任务分配	博客链接
林一心（组长）	响应POST请求	http://www.cnblogs.com/wkfg/p/7063085.html
张杭镖	响应GET请求	http://www.cnblogs.com/ghnb/p/7063321.html