//0.裝載所有已經部署到tomcat下的項目中的web.xml
//1.監聽端口
ServerSocket ss = new ServerSocket(8887);
//2.接收連接
Socket s = ss.accept();
//3.接收到連接,拿到一個Socket
//4.通過socket拿到輸入輸出流
//5.通過輸入流,拿到請求內容,如下
GET /www/abcd HTTP/1.1
Accept: ...
Accept-Language: zh-cn,en-us;q=0.5
Accept-Encoding: gzip, deflate
User-Agent: Mozilla/4.0 (compatible; MSIE 6.0; Windows NT 5.1; SV1)
Host: localhost:8888
Connection: Keep-Alive
//6.拿出請求中的url部份:/www/abcd
//7.通過url,在web.xml中找到對應的Servlet類:
com.lovo.MyServlet
//8.通過反射創建Servlet對象
Servlet servlet = (Servlet)Class.forName("com.lovo.MyServlet").newInstance();
//9.調用servlet.service(),這樣,servlet就被調用了。