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                [TOC] ## 1. `@click`綁定的函數,如何同時傳入事件對象和自定義參數 ### 1.1 默認傳入事件對象 當調用函數的時候,不指定實參,默認接收事件對象 ``` <template> <button @click="click">傳參</button> </div> <router-view /> </div> </template> methods: { click(event) { console.log("點擊啦" + event) } }, ``` ![](https://img.kancloud.cn/a3/37/a3370a0d66fe4dd16a90a88b5c63bff7_819x336.png) ### 1.2 顯式傳入參數 如果顯式傳參,并且方法只有一個參數,那么參數會覆蓋掉event ``` <button @click="click1('dd')">指定傳參</button> click1(data) { console.log("點擊啦" + data) } ``` ![](https://img.kancloud.cn/09/ee/09eec6f2ea2d753bd59ab1f234d897ec_852x277.png) ### 1.3 傳入指定參數和event `$event`表示事件對象 第二個以后參數傳參 ``` <button @click="click1($event,'dd')">指定傳參</button click1(evevnt,data) { console.log("點擊啦" + evevnt,data) } ``` 輸出 ``` 點擊啦[object MouseEvent] dd ``` ## 2. bus總事件
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