package com.ruoyi.web.controller.init;
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import com.fasterxml.jackson.databind.ObjectMapper;
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import com.ruoyi.basic.entity.City;
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import com.ruoyi.basic.entity.District;
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import com.ruoyi.basic.entity.Province;
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import com.ruoyi.basic.mapper.CityMapper;
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import com.ruoyi.basic.mapper.DistrictMapper;
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import com.ruoyi.basic.mapper.ProvinceMapper;
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import com.ruoyi.web.controller.init.dto.AreaDTO;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.beans.factory.annotation.Autowired;
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import org.springframework.boot.CommandLineRunner;
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import org.springframework.core.io.ClassPathResource;
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import org.springframework.stereotype.Component;
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import java.util.ArrayList;
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import java.util.List;
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@Slf4j
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@Component
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public class MyStartupRunner implements CommandLineRunner {
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@Autowired
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private ProvinceMapper provinceMapper;
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@Autowired
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private CityMapper cityMapper;
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@Autowired
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private DistrictMapper districtMapper;
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/**
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* 项目启动时需要执行的方法
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*
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* @param args
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* @throws Exception
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*/
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@Override
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public void run(String... args) throws Exception {
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// 初始化省市区
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initRegion();
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}
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private void initRegion() {
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// 判断是是否有省市区信息
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List<Province> olds = provinceMapper.selectList(null);
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if (olds.isEmpty()) {
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// 读取地区json文件
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List<AreaDTO> areaDTOS = null;
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try {
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// 从 resources/doc/ 加载 JSON 文件
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ClassPathResource resource = new ClassPathResource("doc/area.json");
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ObjectMapper objectMapper = new ObjectMapper();
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areaDTOS = objectMapper.readValue(
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resource.getInputStream(),
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objectMapper.getTypeFactory().constructCollectionType(List.class, AreaDTO.class)
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);
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} catch (Exception e) {
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log.error("读取地区json文件失败:" + e);
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}
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List<Province> provinces = new ArrayList<>();
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List<City> cities = new ArrayList<>();
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List<District> districts = new ArrayList<>();
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if (!areaDTOS.isEmpty()) {
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log.info("地区信息初始化开始");
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// 省
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areaDTOS.forEach(areaDTO -> {
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Province province = new Province();
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province.setId(Long.parseLong(areaDTO.getNo()));
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province.setName(areaDTO.getName());
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provinces.add(province);
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if (!areaDTO.getChildren().isEmpty()) {
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// 市
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areaDTO.getChildren().forEach(cityDTO -> {
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City city = new City();
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city.setId(Long.parseLong(cityDTO.getNo()));
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city.setName(cityDTO.getName());
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city.setProvinceId(Long.valueOf(areaDTO.getNo()));
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cities.add(city);
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if (!cityDTO.getChildren().isEmpty()) {
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// 区
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cityDTO.getChildren().forEach(districtDTO -> {
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District district = new District();
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district.setId(Long.parseLong(districtDTO.getNo()));
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district.setName(districtDTO.getName());
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district.setCityId(Long.valueOf(cityDTO.getNo()));
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districts.add(district);
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});
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}
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});
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}
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});
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provinceMapper.insertOrUpdate(provinces);
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cityMapper.insertOrUpdate(cities);
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districtMapper.insertOrUpdate(districts);
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log.info("地区信息初始化结束");
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}
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}
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}
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}
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