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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
                ### 掛載Vue Prototype使用全局變量方法 需要做[模塊補充](https://cn.vuejs.org/v2/guide/typescript.html?) ```js // 定義全局變量 declare module 'vue/types/vue' { interface Vue { service: any //service 是自定義的服務接口,掛載在Vue.prototype上 } } ``` 類似的,我們在使用vue-router,element-ui中的$message,$model時,同樣需要增強類型。 ``` declare module 'vue/types/vue' { interface Vue { $Message: any, $Modal: any } } ``` ### 使用element-ui中validate進行表單校驗 原先寫法 ```js this.$refs.form.validate(valid=>{ if(valid){ // pass } }) ``` 在typescript中采用如上的寫法,則拋出: ```js Property 'validate' does not exist on type 'Vue'. ``` 原因是未對`this.$refs.form`做類型聲明: ```js const el: any = this.$refs.form el.validate((valid: Boolean) => { if (valid) { } }) ```
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