vue报错Uncaught (in promise) TypeError: Cannot read properties of undefined (reading ‘objectId‘)

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2022-03-11

报错objectId是undefined，点进去报错文件，显示报错的行号

去源代码找发现没有做边界判断，当res.data.results的数组长度为零时，获取空数组的某个字段肯定会报错，在执行这句代码之前先做一次边界判断，当数组长度不为零时再执行

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