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224 lines
6.6 KiB
224 lines
6.6 KiB
<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1">
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<title>util 组件 - layui</title>
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<link rel="stylesheet" href="../src/css/layui.css">
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<style>
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body{padding: 50px;}
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</style>
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</head>
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<body>
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<fieldset class="layui-elem-field">
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<legend>默认 body 委托元素</legend>
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<div class="layui-field-box">
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<button class="layui-btn" lay-on="e1">事件 e1</button>
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<button class="layui-btn" lay-on="e2">事件 e2</button>
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<button class="layui-btn" lay-on="e3">事件 e3</button>
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<button class="layui-btn" lay-bind="e1">hover: lay-bind - 事件 e1</button>
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<button class="layui-btn" lay-active="e1">hover: lay-active - 事件 e1</button>
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<button class="layui-btn layui-btn-primary" lay-on="getBodyEvents">查看 body 的事件集合</button>
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</div>
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</fieldset>
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<br><br>
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<fieldset class="layui-elem-field">
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<legend>自定义委托元素</legend>
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<div class="layui-field-box">
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<div id="ID-util-on-test">
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<button class="layui-btn" lay-on="e1">事件 e1 - 测试阻止冒泡</button>
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<button class="layui-btn" lay-on="e5">事件 e5</button>
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<button class="layui-btn" lay-on="e6">hover: 事件 e6</button>
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<button class="layui-btn layui-btn-primary" lay-on="getElemEvents">查看该委托元素的事件集合</button>
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</div>
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</div>
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</fieldset>
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<hr>
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<div id="test"></div>
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<hr>
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<div id="test1"></div>
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<hr>
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请编辑格式：
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<div class="layui-inline">
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<input type="text" value="yyyy-MM-dd HH:mm:ss" class="layui-input" id="test2"/>
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</div>
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<span class="layui-word-aux" id="test3"></span>
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<hr>
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<div id="target-test" style1="position: relative; height: 300px; overflow: auto;">
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1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>1<br>
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</div>
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<script src="../src/layui.js"></script>
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<script>
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layui.use(['lay', 'util', 'layer'], function(){
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var $ = layui.$;
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var util = layui.util;
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var layer = layui.layer;
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var lay = layui.lay;
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// 固定块
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util.fixbar({
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bars: [{ // 定义可显示的 bar 列表信息 -- v2.8.0 新增
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type: 'share',
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icon: 'layui-icon-share'
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}, {
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type: 'help',
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icon: 'layui-icon-help'
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}, {
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type: 'cart',
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icon: 'layui-icon-cart',
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style: 'background-color: #FF5722;'
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}, {
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type: 'groups',
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content: '群',
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style: 'font-size: 21px;'
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}],
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// bar1: true,
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// bar2: true,
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// default: false, 是否显示默认的 bar 列表 -- v2.8.0 新增
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// bgcolor: '#393D52', // bar 的默认背景色
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// css: {right: 100, bottom: 100},
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// target: '#target-test', // 插入 fixbar 节点的目标元素选择器
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// duration: 300, // top bar 等动画时长（毫秒）
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on: { // 任意事件 -- v2.8.0 新增
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mouseenter: function(type){
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layer.tips(type, this, {
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tips: 4,
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fixed: true
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});
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},
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mouseleave: function(type){
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layer.closeAll('tips');
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}
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},
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// 点击事件
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click: function(type){
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console.log(this, type);
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// layer.msg(type);
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}
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});
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// 批量处理事件
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util.on({
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e1: function(othis){
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alert(othis.html())
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},
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e2: function(othis){
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alert('body:'+ othis.html())
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},
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getBodyEvents: function(othis, e) {
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var dataCache = $(e.delegateTarget).data('UTIL_ON_DATA');
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console.log(dataCache.events);
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}
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});
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// Test: 事件集的替换和增加
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util.on({
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e1: function(othis){ // 重置事件 e1
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alert(othis.html() + ' - replace')
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},
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e3: function(othis){ // 增加事件 e3
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alert(othis.html())
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}
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});
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// 自定义触发事件的元素属性名、自定义触发事件的方式
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util.on('lay-bind', {
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e1: layui.throttle(function(othis) {
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layer.tips(othis.html(), this, { tips: 3 });
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}, 3000), // 3s 内不重复执行
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e2: function() {
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console.log(111);
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}
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}, {
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trigger: 'mouseenter'
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});
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// Test: 不同属性、相同值
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util.on('lay-active', {
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e1: function(othis) {
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this.innerHTML = 'hover: lay-active - 事件 e1 - '+ (Math.random()*100000 | 0);
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}
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}, {
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trigger: 'mouseenter'
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});
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// 自定义触发事件的委托元素
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util.on({
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// 此处与委托在 body 上的事件共用了 e1 名称，以测试事件冒泡
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e1: function(othis, e){
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this.innerHTML = 'click: '+ (Math.random()*100000 | 0);
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layui.stope(e); // 阻止事件冒泡
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},
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e5: function(othis, e) {
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this.innerHTML = 'click: '+ (Math.random()*100000 | 0);
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},
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getElemEvents: function(othis, e) {
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var dataCache = $(e.delegateTarget).data('UTIL_ON_DATA');
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console.log(dataCache.events);
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}
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}, {
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elem: '#ID-util-on-test'
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});
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// 自定义触发事件的委托元素 + 自定义触发事件
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util.on({
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e6: function(othis, e) {
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this.innerHTML = 'hover: 事件 e6 - '+ (Math.random()*100000 | 0);
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}
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}, {
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elem: '#ID-util-on-test',
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trigger: 'mouseenter'
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});
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// 倒计时
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var countdown = util.countdown({
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date: '2099-12-31 00:00:00', // 目标时间值
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now: new Date(), // 当前时间，一般为服务器时间，此处以本地时间为例
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ready: function(){ // 初始操作
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clearTimeout(util.countdown.timer); // 清除旧定时器，防止多次渲染时重复执行。实际使用时不常用
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},
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clock: function(obj, inst){ // 计时中
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var str = [obj.d,'天',obj.h,'时',obj.m,'分',obj.s,'秒'].join(' ');
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lay('#test').html(str);
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util.countdown.timer = inst.timer; // 记录当前定时器，以便在重复渲染时清除。实际使用时不常用
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},
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done: function(obj, inst){ // 计时完成
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layer.msg('Time is up');
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}
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});
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// 某个时间在当前时间的多久前
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var str = util.timeAgo(new Date(2017,7,15,2,58,0));
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$('#test1').html('示例写于：'+ str);
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// 转换日期格式
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var timer = null
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var toDateString = function (format) {
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var dateString = util.toDateString(new Date(), format);
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$('#test3').html(dateString)
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}
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timer = setInterval(() => {
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toDateString($('#test2').val())
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}, 50)
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});
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</script>
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</body>
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</html>
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