树形结构,包含parentid,可直接传入ui组件显示
{
"value": "120000",
"label": "天津",
"children": [
{
"value": "120100",
"label": "市辖区",
"parentid": "120000",
"children": [
{
"value": "120101",
"label": "和平区",
"parentid": "120100"
},
{
"value": "120102",
"label": "河东区",
"parentid": "120100"
},
{
"value": "120103",
"label": "河西区",
"parentid": "120100"
},
