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为什么我在监听函数里获取到了经纬度，但是我想赋值给一个变量，为什么赋值不出去？ #227

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cnpmge opened this issue Aug 22, 2019 · 1 comment

cnpmge commented Aug 22, 2019

我想将赋值传递给我自己定义的state的值，但是就是赋值不出去，是哪里出问题了呢？

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cnpmge commented Aug 22, 2019

TypeError: TypeError: Cannot read property 'latitude' of undefined
this.state里明明是有的啊

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