正则表达式- 将div#demo.demo转化成<div id="demo" class="demo"></div>

本文介绍了一种使用JavaScript将CSS选择器转换为HTML字符串的方法。通过正则表达式匹配和函数替换,可以将特定的选择器如div#demo.demo转化为对应的HTML标签格式。

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    var str = ("div#demo.demo");
    str.replace(/^(\w+)#(\w+)\.(\w+)$/,function(match,$1,$2,$3){
        return "<"+$1+" id=\"" + $2+ "\" class=\""+ $3+ "\"><\/" + $1 +">"
    })
    console.log(str);
var str = ("div#demo.demo").replace(/^\b(\w+)\b#\b(\w+)\b\.\b(\w+)\b$/,function(match,$1,$2,$3){
        return "<"+$1+" id=\"" + $2+ "\" class=\""+ $3+ "\"><\/" + $1 +">"
    })
    console.log(str);
<!-- 权限管理 --> <!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta http-equiv="X-UA-Compatible" content="IE=edge"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Document</title> <link rel="stylesheet" href="../../layui/css/layui.css"> <link rel="stylesheet" href="../../css/diy.css"> <style> .layui-body { overflow-x: scroll; } </style> </head> <body> <div class="section1"> <!-- 内容主体区域 --> <div class="manu auth" style="padding: 15px;"> <form class="layui-form" action=""> <div class="form-input-box-t layui-form-item"> <div class="input-box"> <label class="layui-form-label">权限名</label> <div class="layui-input-block input-i block"> <input type="text" name="mod_name" required lay-verify="required" autocomplete="off" class="layui-input"> </div> </div> <div class="input-box"> <label class="layui-form-label">用户组</label> <div class="layui-input-block select block"> <select name="user_group" lay-filter="required" id="user_group"> <option value=""></option> </select> </div> </div> <div class="input-box"> <label class="layui-form-label">添加权限</label> <div class="layui-input-block select block"> <select name="add" lay-filter="required"> <option value=""></option> <option value="0">无</option> <option value="1">有</option> </select> </div> </div> <div class="input-box"> <label class="layui-form-label">修改权限</label> <div class="layui-input-block select block"> <select name="set" lay-filter="required"> <option value=""></option> <option value="0">无</option> <option value="1">有</option> </select> </div> </div> <div class="input-box"> <label class="layui-form-label">删除权限</label> <div class="layui-input-block select block"> <select name="del" lay-filter="required"> <option value=""></option> <option value="0">无</option> <option value="1">有</option> </select> </div> </div> <div class="input-box"> <label class="layui-form-label">查询权限</label> <div class="layui-input-block select block"> <select name="get" lay-filter="required"> <option value=""></option> <option value="0">无</option> <option value="1">有</option> </select> </div> </div> </div> </form> <div class="buts"> <button type="button" class="layui-btn layui-btn-normal" id="inquire"><span>查询</span></button> <button type="button" class="layui-btn layui-btn-normal" id="reset"><span>重置</span></button> </div> <div class="Customize-the-box"> <div class="circle"></div> <div class="circle"></div> <div class="card-inner"></div> </div> </div> <h1>数据列表</h1> <div class="table"> <table class="layui-hide" id="newsClassification" lay-filter="newsClassification"></table> <script type="text/html" id="toolbarDemo"> <div class="layui-btn-container"> <button class="layui-btn layui-btn-sm" lay-event="add">修改</button> </div> </script> </div> </div> <script src="../../layui/layui.js"></script> <script src="../../js/axios.min.js"></script> <script src="../../js/index.js"></script> <script src="../../js/base.js" charset="utf-8"></script> <script> var BaseUrl = baseUrl() layui.use(['element', 'layer', 'util'], function () { var element = layui.element , table = layui.table , layer = layui.layer , util = layui.util , $ = layui.$; let personInfo = JSON.parse(sessionStorage.personInfo) let user_group = personInfo.user_group let token = sessionStorage.token || null //头部事件 util.event('lay-header-event', { //左侧菜单事件 menuLeft: function (othis) { layer.msg('展开左侧菜单的操作', {icon: 0}); } , menuRight: function () { layer.open({ type: 1 , content: '<div style="padding: 15px;">处理右侧面板的操作</div>' , area: ['260px', '100%'] , offset: 'rt' //右上角 , anim: 5 , shadeClose: true }); } }); // table 事件 table.render({ elem: '#newsClassification' , toolbar: true , url: BaseUrl + '/api/auth/get_list' , headers: { 'x-auth-token': token, 'Content-Type': 'application/json' } ,limits: [10] , page: { //支持传入 laypage 组件的所有参数(某些参数除外,如:jump/elem) - 详见文档 layout: ['limit', 'count', 'prev', 'page', 'next', 'skip'] //自定义分页布局 //,curr: 5 //设定初始在第 5 页 , groups: 1 //只显示 1 个连续页码 , first: false //不显示首页 , last: false //不显示尾页 } , cols: [[ {type: 'checkbox'} , {field: 'user_group', width: '10%', title: '用户组'} , {field: 'mod_name', width: '10%', title: '权限名称', templet: function (d) { if (d.path.replace('/'+d.table_name+'/','')=='table') { return "<div>"+d.mod_name+"后台列表</div>" } if (d.path.replace('/'+d.table_name+'/','')=='view') { return "<div>"+d.mod_name+"后台详情</div>" } if (d.path.replace('/'+d.table_name+'/','')=='list') { return "<div>"+d.mod_name+"前台列表</div>" } if (d.path.replace('/'+d.table_name+'/','')=='details') { return "<div>"+d.mod_name+"前台详情</div>" } if (d.path.replace('/'+d.table_name+'/','')=='edit') { return "<div>"+d.mod_name+"前台编辑</div>" } } } , { field: 'add', width: '10%', title: '<span>添加</span>权限', templet: function (d) { if (d.add == '0') { return "<div>无</div>" } else { return "<div>有</div>" } } } , { field: 'del', width: '10%', title: '<span>删除</span>权限', templet: function (d) { if (d.del == '0') { return "<div>无</div>" } else { return "<div>有</div>" } } } , { field: 'set', width: '10%', title: '修改权限', templet: function (d) { if (d.set == '0') { return "<div>无</div>" } else { return "<div>有</div>" } } } , { field: 'get', width: '10%', title: '<span>查询</span>权限', templet: function (d) { if (d.get == '0') { return "<div>无</div>" } else { return "<div>有</div>" } } } , { field: 'create_time', width: '15%', title: '新增时间', sort: true, templet: "<div>{{layui.util.toDateString(d.create_time, 'yyyy-MM-dd HH:mm:ss')}}</div>" } , { field: 'update_time', width: '15%', title: '更新时间', sort: true, templet: "<div>{{layui.util.toDateString(d.update_time, 'yyyy-MM-dd HH:mm:ss')}}</div>" } , {field: 'operate', title: '操作', toolbar: "#toolbarDemo"} ]] , page: true, request: { limitName: 'size' }, response: { statusName: 'code', //规定返回/Back的状态码字段为code statusCode: 200 //规定成功的状态码味200 }, parseData: function (res) { return { "code": 200, "msg": "", "count": res.result.count, "data": res.result.list } }, where: {like: 0, size: 10} }); layui.table.on('tool(newsClassification)', function (obj) { //注:tool是工具条事件名,test是table原始容器的属性 lay-filter="对应的值" var data = obj.data; //获得当前行数据 var layEvent = obj.event; //获得 lay-event 对应的值(也可以是表头的 event 参数对应的值) var tr = obj.tr; //获得当前行 tr 的DOM对象 if (layEvent == "add") { let auth_id = data.auth_id // window.location = ('./view.html?' + auth_id) layopen_dateil('./view.html?' + auth_id) } }); // 请求参数: let request = {like: 0, size: 10, page: 1, mod_name: '', user_group: '',add:'',set:'',del:'',get:'',orderby: 'create_time desc'} // <span>重置</span>/Reset参数 let resetName = {like: 0, size: 10, page: 1, orderby: 'create_time desc'} fun('newsClassification', BaseUrl + '/api/auth/del', 'auth_id', request, resetName) async function get_list_user_group() { $.ajax({ url: BaseUrl + "/api/user_group/get_list", type: "get", async: false, success: function (data) { if (data && typeof data === 'string'){ data = JSON.parse(data); } if (data.result) { // 拿到单选框的父级节点 let select = document.querySelector("#user_group") let op1 = document.createElement('option') select.appendChild(op1) // 收集数据 长度 let count // 收集数据 数组 let arr = [] count = data.result.count arr = data.result.list for (let i = 0; i < arr.length; i++) { // 创建节点 let op = document.createElement('option') // 给节点赋值 op.innerHTML = arr[i].name op.value = arr[i].name // 新增/Add节点 select.appendChild(op) layui.form.render('select') } } } }); } get_list_user_group(); }); </script> </body> </html> 分析以上代码功能,不要自己写
最新发布
05-28
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