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layui/docs/util/detail/demo.md

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<pre class="layui-code" lay-options="{preview: true, codeStyle: 'height: 535px;', layout: ['preview', 'code'], allowParse: true, tools: ['full']}">
<textarea>
<h3 class="ws-anchor ws-bold">倒计时</h3>
请选择要计算的日期:
<div class="layui-inline">
<input type="text" readonly class="layui-input" id="test1" value="2099-12-31 00:00:00">
</div>
<span class="layui-word-aux layui-font-green" id="test2"></span>
<h3 class="ws-anchor ws-bold">某个时间在多久前</h3>
请选择要计算的日期:
<div class="layui-inline">
<input type="text" readonly class="layui-input" id="test3">
</div>
<span class="layui-word-aux" id="test4"></span>
<h3 class="ws-anchor ws-bold">转换日期格式</h3>
请编辑格式:
<div class="layui-inline">
<input type="text" value="yyyy-MM-dd HH:mm:ss" class="layui-input" id="test5">
</div>
<span class="layui-word-aux" id="test6"></span>
<h3 class="ws-anchor ws-bold">转义 HTML</h3>
<div class="layui-form">
&lt;textarea class="layui-textarea" id="test7"&gt;
<h3>HTML Title</h3>
&lt;script&gt;
alert(0);
&lt;/script&gt;
&lt;/textarea&gt;
</div>
<div class="layui-btn-container" style="margin-top: 10px;">
<button class="layui-btn" lay-on="escape">转义</button>
<button class="layui-btn" lay-on="unescape">还原</button>
</div>
<!-- import layui -->
<script>
layui.use(function(){
var util = layui.util;
var laydate = layui.laydate;
var layer = layui.layer;
var $ = layui.$;
// 倒计时
var countdown = util.countdown({
date: '2099-12-31 00:00:00', // 目标时间值
now: new Date(), // 当前时间,一般为服务器时间,此处以本地时间为例
ready: function(){ // 初始操作
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
},
clock: function(obj, inst){ // 计时中
var str = [obj.d,'天',obj.h,'时',obj.m,'分',obj.s,'秒'].join(' ');
lay('#test2').html(str);
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
},
done: function(obj, inst){ // 计时完成
layer.msg('Time is up');
}
});
// 重置倒计时
laydate.render({
elem: '#test1',
type: 'datetime',
done: function(value){
countdown.reload({
date: value
});
}
});
// 某个时间在多久前
var setTimeAgo = function(y, M, d, H, m, s){
var str = util.timeAgo(new Date(y, M||0, d||1, H||0, m||0, s||0));
lay('#test4').html(str);
};
laydate.render({
elem: '#test3',
type: 'datetime',
done: function(value, date){
setTimeAgo(
date.year,
date.month - 1,
date.date,
date.hours,
date.minutes,
date.seconds
);
}
});
// 转换日期格式
var toDateString = function(format){
var dateString = util.toDateString(new Date(), format); // 执行转换日期格式的方法
$('#test6').html(dateString);
};
toDateString($('#test5').val());
// 输入框事件
$('#test5').on('input propertychange', function(){
toDateString(this.value);
});
// HTML 转义
util.event('lay-on', {
escape: function(){ // 转义
var textarea = $('#test7');
var value = textarea.val();
var str = util.escape(value); // 执行转义方法
textarea.val(str);
},
unescape: function(){
var textarea = $('#test7');
var value = textarea.val();
var str = util.unescape(value); // 执行转义方法
textarea.val(str);
}
});
});
</script>
</textarea>
</pre>