科技资讯 哪个网站好,威海外贸网站建设联系方式,在韶关做网站,淮北市网站建设默认返回值格式#xff1a;all:code、name都返回 name:只返回name code:只返回code#xff0c;level#xff1a;可设置显示层级 1#xff1a; 省 2#xff1a; 省、市 3#xff1a; 省、市、区
v-model 默认值 可以是 name: [ 天津市, 天津市,…默认返回值格式all:code、name都返回 name:只返回name code:只返回codelevel可设置显示层级 1 省 2 省、市 3 省、市、区
v-model 默认值 可以是 name: [ 天津市, 天津市, 和平区 ] code: [ 120000, 120100, 120101 ]
all:[ { code: 120000, name: 天津市 }, { code: 120100, name: 天津市 }, { code: 120101, name: 和平区 } ]
1、数据来源 area-data
npm i -s area-dataarea-data 直辖市默认下级是市辖区 如北京市-市辖区 若显示 北京市-北京市 需找到安装的包将数据里的市辖区改为相应的直辖市名称
2、自定义级联组件al-cascader.vue
templatedivel-cascaderv-modelselect:optionsdata:disableddisabled:sizesize:placeholderplaceholder:separatorseparatorchangehandleChange//div
/templatescript
import { pcaa } from area-data
import util from /utilexport default {name: AlCascader,props: {xuhao:{type:Number,default: },value: {type: Array,default: () [],},level: {type: [Number, String],default: 3,validator: (val) {return util.checkLevel(parseInt(val))},},dataType: {type: String,default: all,validator: (val) {return util.oneOf(val, util.dataType)},},disabled: {type: Boolean,default: false,},size: {type: String,default: medium,},placeholder: {type: String,default: 请选择,},separator: {type: String,default: /,},},data() {return {data: [],select: [],oldData: [],}},computed: {showLevel() {return parseInt(this.level)},},watch: {value(val) {if (this.canEmit(this.value)) this.setDefaultValue()},showLevel() {this.init()this.setDefaultValue()},dataType() {this.setDefaultValue()},},mounted() {this.init()if (this.canEmit(this.value)) this.setDefaultValue()},methods: {init() {const { showLevel } thisconst proData []for (const p in pcaa[86]) {const children []if (showLevel 1)for (const c in pcaa[p]) {const _children []if (showLevel 2)for (const co in pcaa[c]) {const v { value: co, label: pcaa[c][co] } // 县区级_children.push(v)}const v { value: c, label: pcaa[p][c] } // 市级if (_children.length 0) v.children _childrenchildren.push(v)}const proitem { value: p, label: pcaa[86][p] }if (children.length 0) proitem.children childrenproData.push(proitem)}this.data proData},setDefaultValue() {const { value, showLevel } thisif (value[0]) {let select []if (isNaN(parseInt(value[0]))) {let i 0let code // 编码while (value[i] i this.showLevel) {if (i 0)code util.getIndex(pcaa[86], value[0].name || value[0])else code util.getIndex(pcaa[code], value[i].name || value[i])select.push(code)i}} else select valueselect select.slice(0, showLevel)this.select selectconst res this.procesValue(this.select)this.oldData resthis.$emit(input, res)this.$emit(on-change, res)}},canEmit(res) {let ifEmit falseconst { value, oldData } thisif (value value.length ! 0) {const v value[value.length - 1]const o oldData[oldData.length - 1]if (typeof res[0] string) ifEmit v ! oelse if (oldData.length 0 || v.code ! o.code) ifEmit true} else ifEmit truereturn ifEmit},handleChange(resArr) {const res this.procesValue(resArr)this.oldData resthis.$emit(input, res)this.$emit(on-change, res)},procesValue(arr) {let i 0const res []while (arr[i]) {const name i 0 ? pcaa[86][arr[i]] : pcaa[arr[i - 1]][arr[i]]let itemswitch (this.dataType) {case all:item { code: arr[i], name }breakcase name:item namebreakdefault:item arr[i]break}res.push(item)i}console.log(res, 88888)//将父组件的对象所在的序号放入子组件数组的最后面var x res.length;res[x]this.xuhao;return res},},
}
/script
util.js
const util {}util.levelArr [1, 2, 3]util.oneOf (item, arr) {return arr.includes(item)
}
util.getIndex (list, name) {for (const i in list) {if (list[i] name) return i}
}util.dataType [all, code, name]util.checkLevel (val) {return util.oneOf(val, util.levelArr)
}export default util 调用
import selectaddress from /views/huidu/sale/utils/addressselection注册 components:{selectaddress},
使用
//下面放入需要引用的地方
//其中level的值是控制选择3为三级就是选择省,市,区都会选择1为选择省
el-table-column label省-市-区 propdomicilePlaceProvince placeholder请选择地址template slot-scopescopeselectaddress :xuhaoscope.row.index inputselectaddress :modelscope.row.domicilePlaceProvince level3 data-typename //template/el-table-column//下面方法放入方法methods:里面
selectaddress(value){console.log(组件传给给父组件的值value);var addressvalue[0]value[1]value[2];var ivalue[3];this.addressList[i-1].domicilePlaceProvinceaddress;console.log(this.addressList[i-1].domicilePlaceProvince);},
