jstl自定义标签
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2022-06-08 18:04:44
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1、引入jstl.jar
<!-- JSTL标签类 -->
<dependency>
<groupId>jstl</groupId>
<artifactId>jstl</artifactId>
<version>1.2</version>
</dependency>2、自定义标签处理类
package com.loan.security.web.taglib;
import java.util.List;
import org.springframework.web.bind.annotation.ResponseBody;
import com.loan.security.entity.Dictionary;
import com.loan.security.service.DictionaryService;
import com.loan.security.spring.SpringUtils;
public class DictionaryFunction {
private static DictionaryService dictionaryService;
public static @ResponseBody List<Dictionary> getDictionarysByCode(String code) {
Dictionary dic=new Dictionary();
dic.setCode(code);
return getDictionaryService().find(dic);
}
public static DictionaryService getDictionaryService() {
if(dictionaryService == null) {
dictionaryService = SpringUtils.getBean(DictionaryService.class);
}
return dictionaryService;
}
}
3、标签库描述文件（TLD）
<?xml version="1.0" encoding="UTF-8"?>
<taglib xmlns="http://java.sun.com/xml/ns/j2ee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/j2ee http://java.sun.com/xml/ns/j2ee/web-jsptaglibrary_2_0.xsd"
version="2.0">
<description>functions</description>
<tlib-version>3.0</tlib-version>
<short-name>fn</short-name>
<function>
<description>根据code查询字典列表</description>
<name>getDictionarysByCode</name>
<function-class>com.loan.security.web.taglib.DictionaryFunction</function-class>
<function-signature>java.util.List getDictionarysByCode(java.lang.String)</function-signature>
</function>
</taglib><%@ page contentType="text/html;charset=UTF-8" language="java"%>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<%@ taglib prefix="dictionary"
uri="/WEB-INF/tld/dictionary_function.tld"%>
<%@taglib prefix="shiro" uri="http://shiro.apache.org/tags"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta http-equiv="X-UA-Compatible" content="IE=edge" />
<title></title>
<script type="text/javascript"
src="${pageContext.request.contextPath}/static/common/easy-ui/js/jquery.min.js"></script>
</head>
<body style="margin: 0px; padding: 0px; height: 100%; font-family: 微软雅黑;">
<div style="padding: 10px;">
<label style="width: 15%">类型：</label>
<select style="width: 30%" name="type" class="easyui-combobox" required="true">
<c:forEach items="${dictionary:getDictionarysByCode('0003')}" var="dic">
<option value="${dic.name}">${dic.name}</option>
</c:forEach>
</select>
</div>
</body>
</html>
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