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hiyuki avatar hiyuki commented on June 15, 2024

this.properties访问数据在微信小程序文档中没有相关用法说明,目前开发者工具实测this.properties和this.data指向同一个对象,里面不止包含properties数据也包含data数据,目前对于微信原生组件输出支付宝时mpx抹平了的this.data中能够访问props数据的表现,但这种抹平修改了组件实例的内部数据可能存在潜在风险,所以安全和必要性角度考虑.mpx组件在跨端输出时没有该抹平,对于.mpx组件来说标准的数据访问方式是通过this来进行访问,这种方式框架可以保障跨平台一致性,建议业务代码也统一修改为该方式

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vivine avatar vivine commented on June 15, 2024

this.properties访问数据在微信小程序文档中没有相关用法说明,目前开发者工具实测this.properties和this.data指向同一个对象,里面不止包含properties数据也包含data数据,目前对于微信原生组件输出支付宝时mpx抹平了的this.data中能够访问props数据的表现,但这种抹平修改了组件实例的内部数据可能存在潜在风险,所以安全和必要性角度考虑.mpx组件在跨端输出时没有该抹平,对于.mpx组件来说标准的数据访问方式是通过this来进行访问,这种方式框架可以保障跨平台一致性,建议业务代码也统一修改为该方式

那可不可以提供一种方式,让开发者可以手动赋值呢,比如提供一个配置,可以吧this.props的数据赋值给this.properties?

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hiyuki avatar hiyuki commented on June 15, 2024

可以的,你可以全局mixin,在BEFORECREATE钩子里去做这个抹平,示例如下:

import mpx, {BEFORECREATE} from '@mpxjs/core'
mpx.mixin({
  [BEFORECREATE](){
     this.properties = this.properties || this.props
  }
})

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