JSP–JSP注释

JSP–JSP注释pageEncoding=”UTF-8″%Jsp注释Jsp注释有二种:1:html注释;2:JSP注释 HTML注释: JSP注释:  在JSP脚本元素中还可以使用JAVA注释  Jsp注释Jsp注释有二种:1:html注释;2:JSP注释 HTML注释: JS

大家好,欢迎来到IT知识分享网。JSP--JSP注释<%@ page language=”java” contentType=”text/html; charset=UTF-8″

    pageEncoding=”UTF-8″%>

<!DOCTYPE html PUBLIC “-//W3C//DTD HTML 4.01 Transitional//EN” “http://www.w3.org/TR/html4/loose.dtd”>

<html>

<head>

<meta http-equiv=”Content-Type” content=”text/html; charset=UTF-8″>

<title>Jsp注释</title>

</head>

<body>

Jsp注释有二种:>>><br/>1:html注释;<br/>2:JSP注释  <br>

HTML注释: <!– 注释内容,HTML的注释  –>  <br>

JSP注释:  <%– 注释内容,JSP的注释 –%>   <br>

在JSP脚本元素中还可以使用JAVA注释  <%! //JSP脚本内容 //java注释 %> 

</body>

</html>

<%– 网页源代码

<!DOCTYPE html PUBLIC “-//W3C//DTD HTML 4.01 Transitional//EN” “http://www.w3.org/TR/html4/loose.dtd”>

<html>

<head>

<meta http-equiv=”Content-Type” content=”text/html; charset=UTF-8″>

<title>Jsp注释</title>

</head>

<body>

Jsp注释有二种:>>><br/>1:html注释;<br/>2:JSP注释  <br>

HTML注释: <!– 注释内容,HTML的注释  –>  <br>

JSP注释:     <br>

在JSP脚本元素中还可以使用JAVA注释   

</body>

</html>

–%>

 

<%–JSP编辑后生成的Java文件  D:\workspace-jee\.metadata\.plugins\org.eclipse.wst.server.core\tmp0\work\Catalina\localhost\JavaWeb-SSH\org\apache\jsp

/*

 * Generated by the Jasper component of Apache Tomcat

 * Version: Apache Tomcat/9.0.0.M13

 * Generated at: 2016-12-14 03:21:07 UTC

 * Note: The last modified time of this file was set to

 *       the last modified time of the source file after

 *       generation to assist with modification tracking.

 */

package org.apache.jsp;

import javax.servlet.*;

import javax.servlet.http.*;

import javax.servlet.jsp.*;

public final class annotation_jsp extends org.apache.jasper.runtime.HttpJspBase

    implements org.apache.jasper.runtime.JspSourceDependent,

                 org.apache.jasper.runtime.JspSourceImports {

 //JSP脚本内容 //java注释 

  private static final javax.servlet.jsp.JspFactory _jspxFactory =

          javax.servlet.jsp.JspFactory.getDefaultFactory();

  private static java.util.Map<java.lang.String,java.lang.Long> _jspx_dependants;

  private static final java.util.Set<java.lang.String> _jspx_imports_packages;

  private static final java.util.Set<java.lang.String> _jspx_imports_classes;

  static {

    _jspx_imports_packages = new java.util.HashSet<>();

    _jspx_imports_packages.add(“javax.servlet”);

    _jspx_imports_packages.add(“javax.servlet.http”);

    _jspx_imports_packages.add(“javax.servlet.jsp”);

    _jspx_imports_classes = null;

  }

  private volatile javax.el.ExpressionFactory _el_expressionfactory;

  private volatile org.apache.tomcat.InstanceManager _jsp_instancemanager;

  public java.util.Map<java.lang.String,java.lang.Long> getDependants() {

    return _jspx_dependants;

  }

  public java.util.Set<java.lang.String> getPackageImports() {

    return _jspx_imports_packages;

  }

  public java.util.Set<java.lang.String> getClassImports() {

    return _jspx_imports_classes;

  }

  public javax.el.ExpressionFactory _jsp_getExpressionFactory() {

    if (_el_expressionfactory == null) {

      synchronized (this) {

        if (_el_expressionfactory == null) {

          _el_expressionfactory = _jspxFactory.getJspApplicationContext(getServletConfig().getServletContext()).getExpressionFactory();

        }

      }

    }

    return _el_expressionfactory;

  }

  public org.apache.tomcat.InstanceManager _jsp_getInstanceManager() {

    if (_jsp_instancemanager == null) {

      synchronized (this) {

        if (_jsp_instancemanager == null) {

          _jsp_instancemanager = org.apache.jasper.runtime.InstanceManagerFactory.getInstanceManager(getServletConfig());

        }

      }

    }

    return _jsp_instancemanager;

  }

  public void _jspInit() {

  }

  public void _jspDestroy() {

  }

  public void _jspService(final javax.servlet.http.HttpServletRequest request, final javax.servlet.http.HttpServletResponse response)

      throws java.io.IOException, javax.servlet.ServletException {

    final java.lang.String _jspx_method = request.getMethod();

    if (!”GET”.equals(_jspx_method) && !”POST”.equals(_jspx_method) && !”HEAD”.equals(_jspx_method) && !javax.servlet.DispatcherType.ERROR.equals(request.getDispatcherType())) {

      response.sendError(HttpServletResponse.SC_METHOD_NOT_ALLOWED, “JSPs only permit GET POST or HEAD”);

      return;

    }

    final javax.servlet.jsp.PageContext pageContext;

    javax.servlet.http.HttpSession session = null;

    final javax.servlet.ServletContext application;

    final javax.servlet.ServletConfig config;

    javax.servlet.jsp.JspWriter out = null;

    final java.lang.Object page = this;

    javax.servlet.jsp.JspWriter _jspx_out = null;

    javax.servlet.jsp.PageContext _jspx_page_context = null;

    try {

      response.setContentType(“text/html; charset=UTF-8”);

      pageContext = _jspxFactory.getPageContext(this, request, response,

     
null, true, 8192, true);

      _jspx_page_context = pageContext;

      application = pageContext.getServletContext();

      config = pageContext.getServletConfig();

      session = pageContext.getSession();

      out = pageContext.getOut();

      _jspx_out = out;

      out.write(“\r\n”);

      out.write(“<!DOCTYPE html PUBLIC \”-//W3C//DTD HTML 4.01 Transitional//EN\” \”http://www.w3.org/TR/html4/loose.dtd\”>\r\n”);

      out.write(“<html>\r\n”);

      out.write(“<head>\r\n”);

      out.write(“<meta http-equiv=\”Content-Type\” content=\”text/html; charset=UTF-8\”>\r\n”);

      out.write(“<title>Jsp注释</title>\r\n”);

      out.write(“</head>\r\n”);

      out.write(“<body>\r\n”);

      out.write(“Jsp注释有二种:>>><br/>1:html注释;<br/>2:JSP注释  <br>\r\n”);

      out.write(“HTML注释: <!– 注释内容,HTML的注释  –>  <br>\r\n”);

      out.write(“JSP注释:  “);

      out.write(”   <br>\r\n”);

      out.write(“在JSP脚本元素中还可以使用JAVA注释  “);

      out.write(” \r\n”);

      out.write(“</body>\r\n”);

      out.write(“</html>\r\n”);

      out.write(“\r\n”);

    } catch (java.lang.Throwable t) {

      if (!(t instanceof javax.servlet.jsp.SkipPageException)){

        out = _jspx_out;

        if (out != null && out.getBufferSize() != 0)

          try {

            if (response.isCommitted()) {

              out.flush();

            } else {

              out.clearBuffer();

            }

          } catch (java.io.IOException e) {}

        if (_jspx_page_context != null) _jspx_page_context.handlePageException(t);

        else throw new ServletException(t);

      }

    } finally {

      _jspxFactory.releasePageContext(_jspx_page_context);

    }

  }

}

–%> 

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