写代码片段吧。你这样谁也不知道你数据是啥样的

https://developers.weixin.qq.com/miniprogram/dev/devtools/minicode.html

cityArray: [

['全部',"北京市", "天津市", "河北省", "山西省", "内蒙古自治区", "辽宁省", "吉林省", "黑龙江省", "上海市", "江苏省", "浙江省", "安徽省", "福建省", "江西省", "山东省", "河南省", "湖北省", "湖南省", "广东省", "广西壮族自治区", "海南省", "重庆市", "四川省", "贵州省", "云南省", "西藏自治区", "陕西省", "甘肃省", "青海省", "宁夏回族自治区", "新疆维吾尔自治区"],

['全部']

],

cityIndex: [0, 0],

//地区

bindRegionChange(e) {

console.log(e)

this.setData({

"cityIndex[0]": e.detail.value[0],

"cityIndex[1]": e.detail.value[1]

})

},

//地区动态获取

bindcolumnRegionChange: function(e) {

console.log('修改的列为', e.detail.column, '，值为', e.detail.value);

let _this = this

console.log(e)

switch (e.detail.column) {

case 0:

let list = []

for (var i = 0; i < _this.data.objectcityArray.length; i++) {

if (_this.data.objectcityArray[i].id == _this.data.objectcityArray[e.detail.value].id) {

for (let k in _this.data.objectcityArray[i].citys) {

list.push(_this.data.objectcityArray[i].citys[k].name)

}

console.log(list)

}

}

_this.setData({

"cityArray[1]": list,

"cityIndex[0]": e.detail.value,

"cityIndex[1]": 0

})

}

},

都是跟着小程序自带的改的，但是回显怎么搞呢，如果别人选的市还没加载，怎么回显呢