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>