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                ## 表單值改變事件: **子表名_onlChange** ### 說明:當表單控件值發生改變的時候觸發,適用于【**從表**字段】 ### 示例1、一對多從表字段之間的關聯改變 - 增強配置 ![](https://img.kancloud.cn/92/58/925879bb4d16ca47902665551bed433f_799x375.png) - 代碼 ``` test_sub_many_onlChange(){ return { wenben(){ let value = event.value let row = {'shuoming': '測試一對多值改變:'+value} this.triggleChangeValues(row, event.row.id, event.target) } } } ``` >[info]1.test_sub_many_onlChange命名規則:子表名_onlChange 2.wenben為需要監聽控件值改變的字段名,return里面可以寫多個 3.event內置對象,屬性描述如下 | 屬性名 | 描述 | | --- | --- | | type | 當前操作控件的類型 | | row | 當前行的數據,通過row.id可以獲取當前行的id值 | | column | 當前列的配置信息,通過column.key 獲取當前字段名稱 | | value | 當前控件的值 | | target | 當前控件所在table的target對象,調用triggleChangeValues用到 | - 表單效果: ![](https://img.kancloud.cn/e8/be/e8be3c3255600e86d6bdc6ac8491150c_1189x471.png) ---------------------------- ### 示例2、一對一從表字段之間的關聯改變 - 增強配置 ![](https://img.kancloud.cn/37/dc/37dc96d88bc1e3178acdbc990ce6fca8_794x378.png) - 代碼 ``` test_sub_one_onlChange(){ return { wenben(){ let value = event.value let row = {'shuoming': '這是一個說明:'+ value} this.triggleChangeValues(row, event.row.id, event.target) } } } ``` >[info] 1.一對多和一對一的值改變事件在語法格式上完全一致 > 2.區別在于內置的event對象,但是這不影響使用,以下是一對一子表的event對象說明 | 屬性名 | 描述 | | --- | --- | | row | 當前子表表單數據 | | column | 當前列的配置信息,通過column.key 獲取當前字段名稱 | | value | 當前控件的值 | | target | 當前子表表單對象,可以直接調用子表表單相關方法 | - 表單效果: ![](https://img.kancloud.cn/53/d0/53d03cd3ab382377afb7221600564993_1187x416.png)
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