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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                ## 過濾器 Vue.js 允許你自定義過濾器,可被用于一些常見的文本格式化 ~~~ <!-- 在雙花括號中 --> {{ message | capitalize }} <!-- 在 `v-bind` 中 --> <div v-bind:id="rawId | formatId"></div> ~~~ 局部定義 ~~~ filters: { capitalize: function (value) { if (!value) return '' value = value.toString() return value.charAt(0).toUpperCase() + value.slice(1) } } ~~~ 全局定義 ~~~ Vue.filter('capitalize', function (value) { if (!value) return '' value = value.toString() return value.charAt(0).toUpperCase() + value.slice(1) }) ~~~ 過濾器可以串聯: ~~~ {{ message | filterA | filterB }} ~~~ 過濾器是 JavaScript 函數,因此可以接收參數 ~~~ {{ message | filterA('arg1', arg2) }} ~~~ ### 課后習題 1.設計一個過濾器,將頁面的毫秒時間轉換成可讀時間 ~~~ <div>{{time|readtime}}</div> data: { time:123232323 } // 最終效果 <div>2012-11-12 10:10:10</div> ~~~
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