52 lines
1.4 KiB
HTML
52 lines
1.4 KiB
HTML
<!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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<meta name="viewport" content="width=device-width, initial-scale=1.0" />
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<script src="../js/vue@2.7.16.js"></script>
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<script src="../js/dayjs.min.js"></script>
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<title>过滤器</title>
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</head>
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<body>
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<div id="app">
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<!-- 管道符只能使用在filters中 -->
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<h3>现在是：{{time | timeFormater}}</h3>
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<h3>现在是：{{time | timeFormater("YYYY年MM月DD日 HH:mm:ss")}}</h3>
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<h3>
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现在是：{{time | timeFormater("YYYY年MM月DD日 HH:mm:ss") |
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timeFormaterSlice}}
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</h3>
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<!-- 不能使用在v-model -->
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<h3 :peiqi="message | globeTimeFormaterSlice">
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使用全局过滤器：{{message | globeTimeFormaterSlice}}
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</h3>
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</div>
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</body>
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<script>
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// 定义全局过滤器
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Vue.filter("globeTimeFormaterSlice", 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: "#app",
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data: {
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time: new Date(),
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message: "全局的过滤器使用在标签上...",
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},
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methods: {},
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filters: {
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/* 时间格式化 */
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timeFormater(val, str = "YYYY-MM-DD HH:mm:ss") {
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return dayjs(val).format(str);
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},
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timeFormaterSlice(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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