我想获得student里的学号,并赋值给aaa,请问怎么实现?
var _that = this;
var aaa = 0;
const db2 = wx.cloud.database({
env: 'muucc8888888'
})
db2.collection("student").get({
success:res=>{
console.log("获取学号:",res.data)
this.setData({
aaa:res.data[0].xuehao,
})
}
})
console.log("当前学号:",aaa)
},
我这样打印出来aaa的值还是0
data里定义 aaa:10