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index.html
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>vue2.0</title>
<link rel="stylesheet" href="css/zui.min.css">
</head>
<script src="../lib/vue2.0.js"></script>
<script src="lib/jquery/jquery.js"></script>
<body>
<div class="container-fluid">
<div class="main">
<!-- 城市选择 -->
<div id="citylist">
<input type="hidden" id="recievecity_id" value="1" name="cityselect">
</div>
</div>
</div>
</body>
<script>
// 模拟数据请求。
var result;
$.ajax( {
url : 'data/data.json',
type : 'GET',
async : false,
dataType : 'json',
error : function() {
alert('操作出现错误！');
},
success : function(data) {
if (data) {
result= data.data;
} else {
}
}
});
// 获取页面层的城市id
var recievecity_id = parseInt($("#recievecity_id").val());
// 递归查找
function getCtiy(data,cityId)
{
for (var i in data) {
if (data[i].id == cityId) {
// 找到对应id返回此对象。
recieveObj = data[i];
break;
} else {
getCtiy(data[i].child_citys, cityId);
}
}
}
// 此段代码跟上段代码逻辑一致，可优化，查到区县，根据id再次递归查找省份。
function getProvince(data,cityId){
for (var i in data) {
if (data[i].id == cityId) {
// 找到省份返回此对象。
recieveObjprovince = data[i];
break;
} else {
getProvince(data[i].child_citys, cityId);
}
}
}
getCtiy(result.citys,recievecity_id);
// 如对象的为三级结构。
if (recieveObj.level===3) {
recieveCity = recieveObj.parent_id;
getProvince(result.citys,recieveCity);
recieveProvince = recieveObjprovince.parent_id;
recieveCountry = recieveObj.id;
}else if (recieveObj.level===2) {
// 对象为二级结构
recieveCity = recieveObj.id;
recieveProvince = recieveObj.parent_id;
recieveCountry = 0;
}else{
// 对象为一级结构
recieveProvince = recieveObj.id;
recieveCity = 0;
recieveCountry = 0;
}
// template
var citytemplate = '<div class="form-group">'+
'<label class="col-md-2 control-label">城市：</label>'+
'<div class="col-md-2">'+
'<select v-model ="selectedProvinceId" class="form-control" id="rowprovince">'+
'<option v-for="province in provinces" :value="province.id">'+
'{{province.name}}'+
'</option>'+
'</select>'+
'</div>'+
'<div class="col-md-2">'+
'<select class="form-control" v-model="selectedCityId" id="rowcity">'+
'<option value="-1">请选择市</option>'+
'<option v-for="city in cities" :value="city.id">'+
'{{city.name}}'+
'</option>'+
'</select>'+
'</div>'+
'<div class="col-md-2">'+
'<select class="form-control" v-model="selectedCountryId" id="rowcountry">'+
'<option value="-1">请选择区县</option>'+
'<option v-for="country in countres" :value="country.id">'+
'{{country.name}}'+
'</option>'+
'</select>'+
'</div>'+
'</div>'
// vue实例
var vm = new Vue({
el:'#citylist',
data(){
return {
selectedProvinceId: recieveProvince,
selectedCityId: -1,
selectedCountryId: -1,
provinces: result.citys, // 省
}
},
created:function(){
$("#citylist").append(citytemplate);
},
watch:{
selectedProvinceId:function(newselect,oldselect){
if (newselect!=oldselect) {
vm.selectedCityId = -1
vm.selectedCountryId = -1
}
},
selectedCityId:function(newselect,oldselect){
if (newselect!=oldselect) {
vm.selectedCountryId = -1
}
}
},
computed:{
cities: function() {
var tempcities =[];
//获取市数据
var selectedProvince = this.selectedProvinceId;
this.provinces.forEach(function(d){
if (d.id == selectedProvince ) {
tempcities = d.child_citys;
}
});
return tempcities
},
countres: function() {
var tempcounres =[];
// 获取区县数据
var selectedCity = this.selectedCityId;
this.cities.forEach(function(d){
if (d.id == selectedCity ) {
tempcounres = d.child_citys;
}
});
return tempcounres
}
}
})
</script>
</html>