解析高德地图api获取省市区，生成最新三级联动sql表

    @requestmapping("/getall")
    public object getmasterlist() throws exception {
        httpclientresult result = httpclientutils.doget("https://restapi.amap.com/v3/config/district?subdistrict=4&key=bb4198a1f146184af53322d424732f6b");
        string jsonstring = result.getcontent();
        //数据结构如下
        /* string jsonstring = "{\n" +
                "    \"status\": \"1\",\n" +
                "    \"info\": \"ok\",\n" +
                "    \"infocode\": \"10000\",\n" +
                "    \"count\": \"1\",\n" +
                "    \"suggestion\": {\n" +
                "        \"keywords\": [],\n" +
                "        \"cities\": []\n" +
                "    },\n" +
                "    \"districts\": [{\n" +
                "        \"citycode\": [],\n" +
                "        \"adcode\": \"100000\",\n" +
                "        \"name\": \"中华人民共和国\",\n" +
                "        \"center\": \"116.3683244,39.915085\",\n" +
                "        \"level\": \"country\",\n" +
                "        \"districts\": [{\n" +
                "            \"citycode\": [],\n" +
                "            \"adcode\": \"410000\",\n" +
                "            \"name\": \"河南省\",\n" +
                "            \"center\": \"113.665412,34.757975\",\n" +
                "            \"level\": \"province\",\n" +
                "            \"districts\": [{\n" +
                "                \"citycode\": \"0393\",\n" +
                "                \"adcode\": \"410900\",\n" +
                "                \"name\": \"濮阳市\",\n" +
                "                \"center\": \"115.041299,35.768234\",\n" +
                "                \"level\": \"city\",\n" +
                "                \"districts\": [{\n" +
                "                    \"citycode\": \"0393\",\n" +
                "                    \"adcode\": \"410923\",\n" +
                "                    \"name\": \"南乐县\",\n" +
                "                    \"center\": \"115.204336,36.075204\",\n" +
                "                    \"level\": \"district\",\n" +
                "                    \"districts\": [{\n" +
                "                        \"citycode\": \"0393\",\n" +
                "                        \"adcode\": \"410923\",\n" +
                "                        \"name\": \"福坎镇\",\n" +
                "                        \"center\": \"115.398,36.0869\",\n" +
                "                        \"level\": \"street\",\n" +
                "                        \"districts\": []\n" +
                "                    }]\n" +
                "                }]\n" +
                "            }]\n" +
                "        }]\n" +
                "    }]\n" +
                "}";//result.getcontent();*/
        jsonobject jsonobject = jsonobject.parseobject(jsonstring);
        //获取到国家及下面所有的信息 开始循环插入，这里可以写成递归调用，但是不如这样方便查看、理解
        jsonarray countryall = jsonobject.getjsonarray("districts");
        for (int i = 0; i < countryall.size(); i++) {
            jsonobject countryleve0 = countryall.getjsonobject(i);
            string citycode0 = countryleve0.getstring("citycode");
            string adcode0 = countryleve0.getstring("adcode");
            string name0 = countryleve0.getstring("name");
            string center0 = countryleve0.getstring("center");
            string country = countryleve0.getstring("level");
            int level = 0;
            if (country.equals("country")) {
                level = 0;
            }
            //插入国家
            integer id1 = insert(0, adcode0, citycode0, name0, center0, level, name0);
            jsonarray province0 = countryleve0.getjsonarray("districts");

            for (int j = 0; j < province0.size(); j++) {
                jsonobject province1 = province0.getjsonobject(j);
                string citycode1 = province1.getstring("citycode");
                string adcode1 = province1.getstring("adcode");
                string name1 = province1.getstring("name");
                string center1 = province1.getstring("center");
                string province = province1.getstring("level");
                int level1 = 0;
                if (province.equals("province")) {
                    level1 = 1;
                }
                //插入省
                integer id2 = insert(id1, adcode1, citycode1, name1, center1, level1, name0, name1);
                jsonarray city0 = province1.getjsonarray("districts");

                for (int z = 0; z < city0.size(); z++) {
                    jsonobject city2 = city0.getjsonobject(z);
                    string citycode2 = city2.getstring("citycode");
                    string adcode2 = city2.getstring("adcode");
                    string name2 = city2.getstring("name");
                    string center2 = city2.getstring("center");
                    string city = city2.getstring("level");
                    int level2 = 0;
                    if (city.equals("city")) {
                        level2 = 2;
                    }
                    //插入市
                    integer id3 = insert(id2, adcode2, citycode2, name2, center2, level2, name0, name1, name2);

                    jsonarray street0 = city2.getjsonarray("districts");
                    for (int w = 0; w < street0.size(); w++) {
                        jsonobject street3 = street0.getjsonobject(w);
                        string citycode3 = street3.getstring("citycode");
                        string adcode3 = street3.getstring("adcode");
                        string name3 = street3.getstring("name");
                        string center3 = street3.getstring("center");
                        string street = street3.getstring("level");
                        int level3 = 0;
                        if (street.equals("street")) {
                            level3 = 2;
                        }
                        //插入区县
                        insert(id3, adcode3, citycode3, name3, center3, level3, name0, name1, name2, name3);
                        //  jsonarray street = street3.getjsonarray("districts");
                        //有需要可以继续向下遍历

                    }

                }
            }
        }

        return getsuccessresult();
    }


    /**
     * 公共的插入方法
     *
     * @param parentid  父id
     * @param citycode  城市编码
     * @param adcode    区域编码  街道没有独有的adcode，均继承父类（区县）的adcode
     * @param name      城市名称 （行政区名称）
     * @param center    地理坐标
     * @param level     等级  0 国家，1省，...依次排
     * @param mergename 把名称拼接成全名
     * @return
     */
    public integer insert(integer parentid, string citycode, string adcode, string name, string center, int level, string... mergename) {
//         \"citycode\": [],\n" +
//                "        \"adcode\": \"100000\",\n" +
//                "        \"name\": \"中华人民共和国\",\n" +
//                "        \"center\": \"116.3683244,39.915085\",\n" +
//                "        \"level\": \"country\",\n" +
        regionamap record = new regionamap();
        if (!adcode.equals("[]")) {
            record.setadcode(adcode);
        }
        record.setcitycode(integer.parseint(citycode));
        record.setcenter(center);
        record.setlevel(level);
        record.setname(name);
        record.setparentid(parentid);
        string megname = "";
        for (int i = 0; i < mergename.length; i++) {
            megname = megname + mergename[i];
            if (i < mergename.length - 1) {
                megname = megname + ",";
            }
        }
        record.setmergername(megname);
        regionamapmappercustom.insertselective(record);
        return record.getcitycode();
    }

    /**
     * 生成的sql顺序重新排序
     *
     * @return
     */
    @requestmapping("/order")
    public object order() {
        regionamapexample example = new regionamapexample();
        example.setorderbyclause("citycode, adcode");
        list<regionamap> selectbyexample = regionamapmappercustom.selectbyexample(example);
        for (regionamap regionamap : selectbyexample) {
            regionorder record = new regionorder();
            record.setadcode(regionamap.getadcode());
            record.setcitycode(regionamap.getcitycode());
            record.setcenter(regionamap.getcenter());
            record.setlevel(regionamap.getlevel());
            record.setmergername(regionamap.getmergername());
            record.setname(regionamap.getname());
            record.setparentid(regionamap.getparentid());
            regionordermapper.insertselective(record);
        }
        return getsuccessresult();
    }