archieve: homework5 c_url.jsp

2025-04-21 15:09:33 +08:00
parent aad47f2f81
commit b8d7992563
2 changed files with 36 additions and 0 deletions
@@ -0,0 +1,15 @@
 <%@ page language="java" contentType="text/html; charset=utf-8"%>
 <%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
 <html>
 <head></head>
 <body>
 <%--第1个out标签 --%>
 userName属性的值为：
 <c:out value="${param.username}" default="unknown"/><br />
 <%--第2个out标签 --%>
 userName属性的值为：
 <c:out value="${param.username}">
    unknown
 </c:out>
 </body>
 </html>
@@ -0,0 +1,21 @@
 <%@ page contentType="text/html;charset=UTF-8" language="java" %>
 <%@taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %>
 <html>
 <head>
    <title>Title</title>
 </head>
 <body>
 使用绝对路径构造 URL:<br/>
 <c:url var="myURL"
       value="http://localhost:8080/homework5_war_exploded/c_out1.jsp">
    <c:param name="username" value="msksbr"/>
 </c:url>
 <a href="${myURL}">c_out1.jsp</a><br/>
 使用相对路径构造 URL:<br/>
 <c:url var="myURL"
       value="c_out1.jsp?username=msksbr">
    <c:param name="username" value="msksbr515"/>
 </c:url>
 <a href="${myURL}">c_out1.jsp</a>
 </body>
 </html>