JAVA技巧(在jstl标签中forEach标签遍历Map)
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<%@ page import="java.util.Map" %> <%@ page import="java.util.HashMap" %> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <% Map map = new HashMap(); map.put("a", "12345"); map.put("b", "abcde"); out.println(map.get("a")); request.setAttribute("map",map); %> <c:forEach items="${map}" var="mymap" > <c:out value="${mymap.key}" /> <c:out value="${mymap.value}" /> </c:forEach> <c:forEach items="${map}" var="mymap"> <c:if test="${mymap.key=='a'}"> <c:out value="${mymap.value}"/> </c:if> </c:forEach> 考试大等级站收集整理!