Duplicate keys detected: 'demo01'. This may cause an update error. 报错

其他 2020-04-22 10:40:02 阅读次数: 0

此时报错，基本上都是循环出错，在vue中，v-for循环中，key所绑定字段出现重复值，首先，查看绑定的字段是否拥有重复值，若拥有，则查出了问题所在，基本上v-for循环的都是后台返回的对象，很多字段是不可控的，所以需要绑定返回的对象中，唯一不可变的字段，即可！！

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