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                Online之JS增強-關聯修改控件值【單表/主表】 === >[info] 功能說明:在online表單中,當改變表單某一控件值的時候,關聯改變其他控件的值 >[danger] **關聯修改控件值【僅限單表/主表】** [TOC] ## 示例效果 ![](https://img.kancloud.cn/56/7a/567a5102b287971c29c4fd553ac2ef11_1920x868.png) ## 示例說明 `當出生日期(birthday) 被改變的時候,對應改變年齡(age)的值.` ## 配置步驟 1.配置form的增強JS:[(JS增強定義見online基礎篇)](http://jeecg-boot.mydoc.io/?t=345055) ![](https://img.kancloud.cn/b7/c8/b7c8add84ef059856d7262f7e816912e_902x495.png) 示例代碼如下: ``` onlChange(){ ??return { ??birthday(){ let value = event.value let currBirthday = new Date(value.replace(/-/g, "\/")); ??????let d = new Date(); ??????let age = d.getFullYear()-currBirthday.getFullYear() let values = {'age':age} that.triggleChangeValues(values) } } } ``` ## 注意事項 配置form表單JS增強 -單表實現關聯change有如下幾點需要注意(如1圖例子) 1.方法名規則是:表名+'_onlChange'或是直接寫onlChange也行(單/主表才支持這種命名規則) 2.上述方法會返回一個對象,對象中的屬性名和數據庫的字段名保持一致,上述1定義表示:當birthday字段內容改變的時候會觸發birthday方法改變age字段的值 3.每個字段方法內有兩個內置參數that和event,that指向當前頁面的vue實例對象,event對象包含屬性如下表 4.使用getAction發起請求 5.使用that.triggleChangeValues(values)改變其他控件的值,values是一個對象可以配置多個控件的值 > event對象描述如下 屬性名 | 描述 -|- row | 當前表單的數據,編輯頁面通過row.id可以獲取當前表單的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
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