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JSP?Java Server Pages???

JSP?Java Server Pages?????Java Server Pages???????Java ????????Java?????????????????????????Web???????????JSP????????Servlet????HTML???????????

JSP??????

JSP????????Servlet????????????Servlet????HTML??????????????Servlet????????????????????????HTML??????????????????????????????

????Servlet?????HTML??????????????????

@WebServlet("/a")
public class PrintHtml extends HttpServlet {
    @Override
    protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
        resp.setContentType("text/html;charset=UTF-8");
        PrintWriter writer = resp.getWriter();
        writer.println("");
        writer.println("");
        writer.println("");
        writer.println("");
        writer.println("");
        writer.println("");
        writer.println("
   
   
   
    
    "+"????"); 
        writer.println("
    
   
   
");
        writer.println("");
    }
}

?????????HTML????????????????JSP??????????????

JSP???

JSP??????HTML?Java????JSP???????????

JSP??????????????????????????????????????????????

JSP???

JSP????Servlet????????????JSP????Tomcat????????????Java??????????????????HttpJspBase?????HttpServlet?????Servlet??????

???Tomcat?????org???????????

org/
    myproject/
        index.jsp ? ??? index.java ? index.class

?index.java?????????

public class index extends org.apache.jasper.runtime.HttpJspBase {
    // ??????
}

????????JSP?????Servlet?????????????????

JSP?Servlet???

???????????JSP?Servlet????????????JSP??????Servlet????Tomcat??????JSP?????????Java?????????Java Web?????????

?????JSP????HTML?Java???JSP???????????????????????????????????Tomcat????JSP?????Servlet??????????????????

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