JSP | 基础 | 新建Hello world 的三种方式

最新推荐文章于 2023-03-01 23:39:53 发布

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原文链接：http://www.cnblogs.com/jj81/p/9627001.html

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#java

本文介绍在Tomcat服务器上部署JSP页面的三种常见方法：直接放置于ROOT目录、创建独立应用目录及通过新建Web项目实现。每种方法都提供了详细的步骤说明。

第一种：

　直接写一个 test.jsp 文件到ROOT文件目录下，内容如下，访问 “http://localhost:8080/test.jsp”

<%--
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements.  See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to You under the Apache License, Version 2.0
(the "License"); you may not use this file except in compliance with
the License.  You may obtain a copy of the License at

    http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
--%>
<%@ page session="false" pageEncoding="UTF-8" contentType="text/html; charset=UTF-8" %>
<%
java.text.SimpleDateFormat sdf = new java.text.SimpleDateFormat("yyyy");
request.setAttribute("year", sdf.format(new java.util.Date()));
request.setAttribute("tomcatUrl", "http://tomcat.apache.org/");
request.setAttribute("tomcatDocUrl", "/docs/");
request.setAttribute("tomcatExamplesUrl", "/examples/");
%>

<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>

<body>
    <%
        out.print("hello world!");
    %>
</body>

</html>

第二种：

在webapps新建一个子目录“helloJsp”,在“helloJsp”的目录下新建一个“index.jsp”(内容跟上面“test.jsp”一样）和一个“WEB-INF”子目录，在“WEB-INF”下新建“web.xml”(复制../../ROOT文件里“WEB-INF”即可）文件，和两个空间目录，“classes” “lib”,