小狼-反射加泛型进行直辖市的查询

直辖市输入省或者输入省市代表的效果一样，但传入时候输入这两种查询的效果不同

就当一个小练习了

import com.fsni.common.utils.StringUtilPlus;
import com.fsni.res.api.entity.AdministrativeOrg;

import java.lang.reflect.Method;

/**
 * Project Name:review_java <br/>
 * Package Name:com.nasus.generic.how <br/>
 * Date:2019/12/28 21:46 <br/>
 *
 * @author <a href="turodog@foxmail.com">chenzy</a><br/>
 */
public class AreaUtil {

    public static <T> T AreaConversion(T t, Class clazz) {
        Method getProvince;
        Method getDistrict;
        try {
            getProvince = clazz.getMethod("getProvince");
            String province = (String) getProvince.invoke(t);
            getDistrict = clazz.getMethod("getDistrict");
            String district = (String) getDistrict.invoke(t);
            if ((province.startsWith("上海") || province.startsWith("天津") || province.startsWith("北京") || province.startsWith("重庆"))
                    && StringUtilPlus.isEmpty(district)) {//当为直辖市时候当只有省或者有省和市的时候查询结果应一样
                Method setCity = clazz.getDeclaredMethod("setCity", String.class);
                setCity.setAccessible(true);
                setCity.invoke(t, "");
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        return t;
    }

    public static void main(String[] args) {
        AdministrativeOrg administrativeOrg = new AdministrativeOrg();
        administrativeOrg.setProvince("北京");
        administrativeOrg.setCity("北京市");
        administrativeOrg.setDistrict("");
        AdministrativeOrg show = AreaUtil.AreaConversion(administrativeOrg, AdministrativeOrg.class);
        System.out.println("show.getProvince() = " + show.getProvince());
        System.out.println("show.getCity() = " + show.getCity());
    }
}