For developer:Do not set same key "[object Object]" in wx:key
set for in not quot object Key Do
2023-09-27 14:21:58 时间
wx:for="{{orders}}"
wx:key="*this" ==> "index"
num="{{item.num}}"
price="{{item.price}}"
title="{{item.title}}"
问题解决。
*this 以前我们学习c的时候，还有java的时候，知道这个是指表对象本身。
key应该只要一个值index就可以。
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