TypeError: Cannot read property **** of undefined？
getList() {
wx.cloud.callFunction({
name: "getwz",
complete: res => {
for (let i = 0; i < res.result.data.length; i++) {
res.result.data[i].wzzt = res.result.data[i].sj[this.data.sjxxindex][0]
this.setData({
rmb: res.result.data
})
}
}
})
错误信息： TypeError: Cannot read property 'undefined' of undefined