ajax省市县三级联动

<div class="col-2 offset-2"><label><span>地址：<strong>&#42</strong></span></label></div>
<div class="col-6" style="display: flex;justify-content: start;">
<div id="select0"></div>
<div id="select1"></div>
<div id="select2"></div>
<div id="select3"></div>
</div>

js

// 省市县三级联动
$(function(){
var ss = "";
$.get("https://www..com/lxzaixian/provinces/list",function(data){

var json = eval(data);
ss = ss + "<select onchange='getAllCity(this)' >";
ss = ss + "<option>== 请选择省（区、市） ==</option>";
for ( var i = 0; i < json.data.length; i++) {
ss = ss + "<option value="+json.data[i].code+">" + json.data[i].name;
ss = ss + "</option>";
}
ss = ss + "</select>";
$("div#select0").html(ss);

});
})

function getAllCity(obj) {
console.log(obj.value)
var ss = "";
$.get("https://www..com/lxzaixian/cities/listByParentCode/"+obj.value, function(data) {
var json = eval(data);
console.log(json.data)
ss +="<select onchange='getPalce(this)' >";
ss +="<option>== 请选择城市 ==</option>";
for ( var i = 0; i < json.data.length; i++) {
ss += "<option value="+json.data[i].code+">" + json.data[i].name;
ss += "</option>";
}
ss = ss + "</select>";
$("div#select1").html(ss);

});
}

function getPalce(obj){
var ss="";
$.get("https://www..com/lxzaixian/areas/listByParentCode/"+obj.value,function(data){
var json = eval(data);
ss +="<select onchange='getPalce1(this)' >";
ss +="<option>== 请选择县区 ==</option>";
for ( var i = 0; i < json.data.length; i++) {
ss += "<option value="+json.data[i].code+">" + json.data[i].name;
ss += "</option>";
}
ss = ss + "</select>";
$("div#select2").html(ss);
});

}

function getPalce1(obj){
var ss="";
$.get("https://www..com/lxzaixian/streets/listByParentCode/"+obj.value,function(data){
var json = eval(data);
ss +="<select>";
ss +="<option>== 请选择街道区 ==</option>";
for ( var i = 0; i < json.data.length; i++) {
ss += "<option value="+json.data[i].code+">" + json.data[i].name;
ss += "</option>";
}
ss = ss + "</select>";
$("div#select3").html(ss);
});

}