全国省市区文件{
provinces: {
province: [
{
ssqid: "110000",
ssqname: "北京",
ssqename: "",
cities: {
city: [
{
ssqid: "110100",
ssqname: "市辖区",
ssqename: "",
areas: {
area: [
{
ssqid: "110101",
ssqname: "东城区",
ssqename: ""
},
{
ssqid: "110102",
ssqname: "西城区"
