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                ### 列表操作列 前置事件 說明:列表操作列下有兩個常用按鈕:【編輯】/【刪除】,點擊按鈕會觸發此事件,事件函數**必須**返回一個promise對象。 #### 1.編輯前置事件 **beforeEdit** - 示例: ![](https://img.kancloud.cn/e3/45/e34511aa1cadb3bfdcfa8c23ff835fe2_791x377.png) - 代碼: ``` beforeEdit(row){ return new Promise((resolve, reject) => { if(row.name == 'test'){ reject('不可編輯test數據'); }else{ resolve(); } }) } ``` - 列表效果: ![](https://img.kancloud.cn/68/65/68659df844b6d873f2bf400b8a92bad6_1653x300.png) #### 2.刪除前置事件 **beforeDelete** - 示例: ![](https://img.kancloud.cn/a4/46/a4461fe58b0947292543e8c950f2b3b4_792x384.png) - 代碼: ``` beforeDelete(row){ return new Promise((resolve, reject) => { if(row.name == 'test'){ reject('不可刪除test數據'); }else{ resolve(); } }) } ``` - 列表效果: ![](https://img.kancloud.cn/9a/2d/9a2dde491eb7148fb496ad57b736ddc2_1693x323.png) >[info] 注意: > 事件函數均有一參數,row,指的是當前操作的行數據。 > 事件函數必須返回一個promise對象,支持繼續操作執行resolve();拒絕操作執行reject(msg),并設置提示信息!
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