freemarker处理哈希表的内建函数
1、简易说明
（1）map取值
（2）key取值
2、实现示例
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>freemarker处理哈希表的内建函数</title>
</head>
<body>
<#--freemarker HashMap取值-->
<#assign maps={"1":"张三丰","2":"李思思","3":"张三强","4":"王五"}>
${maps["3"]}
<#assign stu={"name":"zhangsan","age":"21","sex":"man"}>
<#assign keys = stu?keys>
<#list keys as key>
${key} = ${stu[key]};
</#list>
</body>
</html>
3、示例结果
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>freemarker</title>
</head>
<body>
张三强
name = zhangsan;
age = 21;
sex = man;
</body>
</html>