标签:10 26 vue 15 areaCode value json 2020 test
这个是瞎捣鼓出来的。需要是做一个下拉select选择框,因为用的是vant,所以代码是这样的
<van-field readonly clickable name="areaCode" :value="value" label="区域编码" placeholder="点击选择区域编码" @click="areaCode = true" /> <van-popup v-model="areaCode" position="bottom"> <van-picker show-toolbar :columns="columns" @confirm="onConfirm" @cancel="areaCode = false" /> </van-popup> <van-field v-model="equipmentCode" name="equipmentCode" label="设备编码" placeholder="请输入设备编码" :rules="[{ required: true, message: '请输入设备编码' }]" />
后台返回了一个数据,一开始数据是这样的,我需要先把areaCode的value值提取出来,放到columns组成一个数组
[{"areaCode":"A001","areaName":"海淀区","id":1,"createdBy":"test","createTime":"2020-10-26 15:06:45","modifyBy":"test","modifyTime":"2020-10-26 15:26:34","isRemoved":"N"},{"areaCode":"A002","areaName":"朝阳区","id":2,"createdBy":"test","createTime":"2020-10-26 15:27:41","modifyBy":"test","modifyTime":"2020-10-26 15:27:52","isRemoved":"N"},{"areaCode":"A003","areaName":"通州区","id":4,"createdBy":"test","createTime":"2020-10-26 15:46:22","modifyBy":"test","modifyTime":"2020-10-26 15:46:22","isRemoved":"N"},{"areaCode":"A004","areaName":"昌平区","id":5,"createdBy":"test","createTime":"2020-10-26 15:46:33","modifyBy":"test","modifyTime":"2020-10-26 15:46:33","isRemoved":"N"},{"areaCode":"A005","areaName":"延庆区","id":6,"createdBy":"test","createTime":"2020-10-26 15:46:47","modifyBy":"test","modifyTime":"2020-10-26 15:46:47","isRemoved":"N"}]
我先提取了一下areacode这个属性,变成
rs.result.map(o=>{return{areaCode:o.areaCode}}); //控制台打印出来的json变成 [{"areaCode":"A001"},{"areaCode":"A002"},{"areaCode":"A003"},{"areaCode":"A004"},{"areaCode":"A005"}]
因为不需要areacode这个key'名字,我又提取了一下变成
rs.result.map(o=>{return[o.areaCode]}) //控制台值变成 [["A001"],["A002"],["A003"],["A004"],["A005"]]
但是还是不符合vant下拉框数据格式,又把获取的value值转换了一下才可以
rs.result.map(o=>{return[o.areaCode].toString()}); //控制台json变成 ["A001","A002","A003","A004","A005"] 符合要求了
说了这么多,其实最根本的,就那么一行代码,,,就是看需要啥样数据,就用哪个把
标签:10,26,vue,15,areaCode,value,json,2020,test 来源: https://www.cnblogs.com/wuzhaoyu/p/13964194.html
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