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                [TOC] >[success] # async和await的使用 ~~~ 工作中經常會用到'async'和'await'或者'try'、'catch'、'finally',寫法如下,deviceDisable方法中的catch是 confirm的取消按鈕點擊的時候會進入catch狀態,還有的是如果deviceDisable方法需要判斷changeDeviceState方法中的 接口是否成功執行,需要在changeDeviceState方法中return成功后的返回值, methods:{ // 禁用方法 async deviceDisable(row){ try{ await this.$confirm('提示', '確定要執行操作嗎', { closeOnClickModal: false, confirmButtonText: '確定', cancelButtonText: '取消' }) await this.changeDeviceState(row) }catch(e){ return } }, async changeDeviceState(row){ try{ let deviceState = row.isEnabled deviceState = !deviceState const params = { deviceId: row.id, deviceState: deviceState } await changeDeviceState(params) // 如果使用它的方法中需要用到res返回值就這樣寫 // const res = await changeDeviceState(params) row.isEnabled = deviceState }catch (e) { this.$message.error(e && e.message) console.warn(e) } } } ~~~
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