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首先,请不要怀疑代码写的有问题: 去掉map循环,事件正常触发,子组件的render重新渲染。其次,再转支付宝小程序时,功能正常; 代码如下: 父组件: 子组件: 最后的解决办法: 我去掉了map循环,因为数组里面的值是固定的,所以我写了15遍,功能正常 (tmd) 还请高手大神解答一下迷惑!