1.页面加载时使用this.setData将globalData.list赋值给data.list
2.使用过程中修改data.list的值,如添加一个对象
3.修改后log会看到globalData.list的值也被同步修改了
问题:
请问如何只修改data.list的值,而不修改globalData.list,始终保持globalData.list的值和加载页面之前一样
如何解决this setData污染全局属性globalData?How to solve this setData pollution global property globalData?
如何解决this setData污染全局属性globalData?1.页面加载时使用this.setData将globalData.list赋值给data.list
2.使用过程中修改data.list的值,如添加一个对象
3.修改后log会看到globalData.list的值也被同步修改了
问题:
请问如何只修改data.list的值,而不修改globalData.list,始终保持globalData.list的值和加载页面之前一样
1. Use this when loading the page SetData will GlobalData List is assigned to data list 2. Modify data during use List value, such as adding an object 3 After modification, the log will see GlobalData The value of list has also been modified synchronously. Question: how can I modify only data List without modifying GlobalData List, always keep GlobalData The value of list is the same as before loading the page
回答:
百度搜索了解下深拷贝吧
这个文档可能会有帮助?https://developers.weixin.qq.com/miniprogram/dev/framework/performance/tipsuntime_setData.html
this.setData({
"data.list":JSON.parse(JSON.stringify(globalData.list))
})