-i pat clear contex ive rac styles 珍惜 title
礼悟:
好好学习合思考,尊师重道存感恩。叶见寻根三返一,江河湖海同一体。
虚怀若谷良心主,愿行无悔给最苦。读书锻炼强身心,诚劝且行且珍惜。
javaEE:7
javaSE:1.8
JSTL:1.2.2
server:tomcat 8.5
browser:Chrome/Firefox
os:windows7 x64
ide:MyEclipse 2017
MyJsp.jsp
- <%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
- <%
- String path = request.getContextPath();
- String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort()
- + path + "/";
- %>
- <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
- <html>
- <head>
- <base href="<%=basePath%>">
- <title>My JSP ‘MyJsp.jsp‘ starting page</title>
- <meta http-equiv="pragma" content="no-cache">
- <meta http-equiv="cache-control" content="no-cache">
- <meta http-equiv="expires" content="0">
- <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
- <meta http-equiv="description" content="This is my page">
- <!--
- <link rel="stylesheet" type="text/CSS" href="styles.css">
- -->
- </head>
- <body>
- <%
- int a = 10;
- %>
- <!-- html注释中,写入java脚本 <%="hello world" + a%> -->
- </body>
- </html>
经过tomcat处理后,生出的java文件
MyJsp_jsp.java
- /*
- * Generated by the Jasper component of Apache Tomcat
- * Version: Apache Tomcat/8.5.23
- * Generated at: 2017-11-20 09:49:11 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. * ;
- import java.util. * ;
- public final class MyJsp_jsp extends org.apache.jasper.runtime.HttpJspBase implements org.apache.jasper.runtime.JspSourceDependent,
- org.apache.jasper.runtime.JspSourceImports {
- 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("java.util");
- _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‘);
- out.write(‘\n‘);
- String path = request.getContextPath();
- String basePath = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort() + path + "/";
- out.write("\r\n");
- out.write("\r\n");
- out.write("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">\r\n");
- out.write("<html>\r\n");
- out.write("<head>\r\n");
- out.write("<base href=\"");
- out.print(basePath);
- out.write("\">\r\n");
- out.write("\r\n");
- out.write("<title>My JSP ‘MyJsp.jsp‘ starting page</title>\r\n");
- out.write("\r\n");
- out.write("<meta http-equiv=\"pragma\" content=\"no-cache\">\r\n");
- out.write("<meta http-equiv=\"cache-control\" content=\"no-cache\">\r\n");
- out.write("<meta http-equiv=\"expires\" content=\"0\">\r\n");
- out.write("<meta http-equiv=\"keywords\" content=\"keyword1,keyword2,keyword3\">\r\n");
- out.write("<meta http-equiv=\"description\" content=\"This is my page\">\r\n");
- out.write("<!--\r\n");
- out.write("\t<link rel=\"stylesheet\" type=\"text/css\" href=\"styles.css\">\r\n");
- out.write("\t-->\r\n");
- out.write("\r\n");
- out.write("<script>\"undefined\"==typeof CODE_LIVE&&(!function(e){var t={nonSecure:\"56731\",secure:\"56736\"},c={nonSecure:\"http://\",secure:\"https://\"},r={nonSecure:\"127.0.0.1\",secure:\"gapdebug.local.genuitec.com\"},n=\"https:\"===window.location.protocol?\"secure\":\"nonSecure\";script=e.createElement(\"script\"),script.type=\"text/javascript\",script.async=!0,script.src=c[n]+r[n]+\":\"+t[n]+\"/codelive-assets/bundle.js\",e.getElementsByTagName(\"head\")[0].appendChild(script)}(document),CODE_LIVE=!0);</script></head>\r\n");
- out.write("\r\n");
- out.write("<body data-genuitec-lp-enabled=\"false\" data-genuitec-file-id=\"wc1-3\" data-genuitec-path=\"/Day11/webRoot/MyJsp.jsp\">\r\n");
- out.write("\t");
- int a = 10;
- out.write("\r\n");
- out.write("\t<!-- html注释中,写入java脚本 ");
- out.print("hello world" + a);
- out.write(" -->\r\n");
- out.write("\r\n");
- out.write("\r\n");
- out.write("</body>\r\n");
- out.write("</html>\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);
- }
- }
- }
浏览器查看jsp,生出的网页源代码
- <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
- <html>
- <head>
- <base href="http://localhost:8081/Day11/">
- <title>My JSP ‘MyJsp.jsp‘ starting page</title>
- <meta http-equiv="pragma" content="no-cache">
- <meta http-equiv="cache-control" content="no-cache">
- <meta http-equiv="expires" content="0">
- <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
- <meta http-equiv="description" content="This is my page">
- <!--
- <link rel="stylesheet" type="text/css" href="styles.css">
- -->
- <script>"undefined"==typeof CODE_LIVE&&(!function(e){var t={nonSecure:"56731",secure:"56736"},c={nonSecure:"http://",secure:"https://"},r={nonSecure:"127.0.0.1",secure:"gapdebug.local.genuitec.com"},n="https:"===window.location.protocol?"secure":"nonSecure";script=e.createElement("script"),script.type="text/javascript",script.async=!0,script.src=c[n]+r[n]+":"+t[n]+"/codelive-assets/bundle.js",e.getElementsByTagName("head")[0].appendChild(script)}(document),CODE_LIVE=!0);</script></head>
- <body data-genuitec-lp-enabled="false" data-genuitec-file-id="wc1-3" data-genuitec-path="/Day11/WebRoot/MyJsp.jsp">
- <!-- html注释中,写入java脚本 hello world10 -->
- </body>
- </html>
注:这篇博文看看就好,科技在不断地发展,这篇博文的内容...
Java脚本 <%%> html注释中加入java的输出脚本
来源: http://www.bubuko.com/infodetail-2418995.html