崗位管理bug修改

Alan

2021-02-19 e895a7a868b679bdd3228d0d7fa8ce6b9073e0a7

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package cc.mrbird.febs.server.system.utils;
 
import cc.mrbird.febs.common.core.entity.constant.FebsConstant;
import lombok.extern.slf4j.Slf4j;
import org.apache.commons.io.FileUtils;
import org.apache.commons.lang3.StringUtils;
import org.lionsoul.ip2region.DataBlock;
import org.lionsoul.ip2region.DbConfig;
import org.lionsoul.ip2region.DbSearcher;
 
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.lang.reflect.Method;
 
/**
 * 根据 IP获取地址
 *
 * @author MrBird
 */
@Slf4j
public abstract class AddressUtil {
 
    public static String getCityInfo(String ip) {
        DbSearcher searcher = null;
        try {
            String dbPath = AddressUtil.class.getResource("/ip2region/ip2region.db").getPath();
            File file = new File(dbPath);
            if (!file.exists()) {
                String tmpDir = System.getProperties().getProperty(FebsConstant.JAVA_TEMP_DIR);
                dbPath = tmpDir + "ip.db";
                file = new File(dbPath);
                InputStream resourceAsStream = AddressUtil.class.getClassLoader().getResourceAsStream("classpath:ip2region/ip2region.db");
                if (resourceAsStream != null) {
                    FileUtils.copyInputStreamToFile(resourceAsStream, file);
                }
            }
            DbConfig config = new DbConfig();
            searcher = new DbSearcher(config, file.getPath());
            Method method = searcher.getClass().getMethod("btreeSearch", String.class);
            DataBlock dataBlock = (DataBlock) method.invoke(searcher, ip);
            return dataBlock.getRegion();
        } catch (Exception e) {
            log.warn("获取地址信息异常,{}", e.getMessage());
            return StringUtils.EMPTY;
        } finally {
            if (searcher != null) {
                try {
                    searcher.close();
                } catch (IOException e) {
                    log.error("ip2region searcher close error", e);
                }
            }
        }
    }
}