处理异步操作时，处理的值渲染不上页面，AppData的值已经修改了页面上的值未修改？

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处理异步操作时，处理的值渲染不上页面，AppData的值已经修改了页面上的值未修改？When processing asynchronous operations, the processed value cannot be rendered on the page, and the value of AppData has been modified. The value on the page has not been modified?

There is an asynchronous problem when receiving data from the interface to modify the data. After changing the asynchronous to synchronous, the value has been modified, but the position of the page has not changed, and it is still the position transferred from the interface

回答：

    wx.nextTick(() => {      this.setData({ number: 3 }) // 在当前同步流程结束后，下一个时间片执行    })