pages-activity-activity.js:278 Uncaught (in promise) TypeError: Invalid attempt to spread non-iterable instance.
In order to be iterable, non-array objects must have a [Symbol.iterator]() method.
at _nonIterableSpread (pages-activity-activity.js:278:9)
at _toConsumableArray (pages-activity-activity.js:221:168)
at _callee2$ (activity.vue:111:1)
at tryCatch (chunk-vendors.js:23063:40)
at Generator.invoke [as _invoke] (chunk-vendors.js:23289:22)
at Generator.prototype.<computed> [as next] (chunk-vendors.js:23115:21)
at asyncGeneratorStep (chunk-vendors.js:14402:24)
at _next (chunk-vendors.js:14424:9)
无语的分页报错
原因：
定义了是和对象，当你为空的时候是对象，赋值的时候是数组，所以类型匹配不上，
可以看到 res.rows 其实是个数组，里面包含对象。
解决：
更换为数组即可：
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