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能不能!!来个人!!解析wepy2.0中app.wpy里面方法的作用???

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从函数名字testasync就可以看出来这是一段测试代码,并没有什么实际意义,而他里面也确实没有什么实际内容。而有点用的可能就是这个结构,sleep里面是一个异步的接口请求,请求到数据后再在testasync里面处理数据,而testasync的调用时机是在onlaunch中。


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