刚刚入手小程序没多久 今天在写小程序时用到 this.setData时会报错
这个让我想起了 react this.setState({}) 一般在react中写点击事件的时候 都喜欢 这样写 onClick={this.bindClick.bind(this)}
OKOK 破案了 this 指向问题
解决了 但是这样写属实是麻烦 所以ES6 箭头函数走起吧
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