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60 lines
1.8 KiB
60 lines
1.8 KiB
2 years ago
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<!DOCTYPE html>
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<html lang="en">
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<head>
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<meta charset="UTF-8">
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<title>过滤器</title>
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<script type="text/javascript" src="../vue.js"></script>
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<script src="https://cdn.bootcdn.net/ajax/libs/dayjs/1.11.7/dayjs.min.js"></script>
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</head>
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<body>
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<div id="root">
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<h2>显示格式化后的时间</h2>
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<!-- 计算属性实现-->
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<h3>计算属性实现：{{formatDatetime}}</h3>
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<!-- 方法实现-->
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<h3>方法实现：{{fmtDatetime()}}</h3>
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<!-- 过滤器实现-->
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<h3>过滤器实现1：{{time | formatDt}}</h3>
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<!-- 过滤器传参-->
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<h3>过滤器实现2：{{time | formatDt('YYYY_MM_DD')}}</h3>
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<!-- 多过滤器-->
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<h3>多过滤器实现：{{time | formatDt('YYYY_MM_DD') | yearSlice}}</h3>
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<!-- 全局过滤器-->
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<h3>全局过滤器：{{time | formatDt('YYYY_MM_DD') | globalSlice}}</h3>
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<!-- 绑定时使用过滤器-->
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<h3 :t="time | formatDt">绑定时使用过滤器：F12</h3>
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</div>
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</body>
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<script type="text/javascript">
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Vue.config.productionTip = false
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// 全局过滤器
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Vue.filter('globalSlice', function (val) {
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return val.slice(0, 4)
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})
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const vm = new Vue({
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el: '#root',
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data: {
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time: Date.now()
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},
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methods: {
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fmtDatetime() {
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return dayjs(this.time).format("YYYY年MM月DD日 HH:mm:ss")
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}
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},
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computed: {
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formatDatetime() {
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return dayjs(this.time).format("YYYY-MM-DD HH:mm:ss")
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}
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},
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filters: {
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formatDt(val, fmt_str = "YYYY_MM_DD HH:mm:ss") {
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return dayjs(val).format(fmt_str)
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},
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yearSlice(val) {
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return val.slice(0, 4)
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}
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}
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})
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</script>
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</html>
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