<dependency>
            <groupId>org.jsoup</groupId>
            <artifactId>jsoup</artifactId>
            <version>1.8.3</version>
        </dependency>

//獲取html的文檔對象
Document doc = Jsoup.parse("http://www.dangdang.com");
//獲取頁面下id="content"的標簽
Element content = doc.getElementById("content");
//獲取頁面下的a標簽
Elements links = content.getElementsByTag("a");
for (Element link : links) {
    //獲取a標簽下的href的屬性值
    String linkHref = link.attr("href");
    //獲取a標簽下的文本內(nèi)容
    String linkText = link.text();
}

@Slf4j
@SpringBootTest
class Test {
 
    @Resource
    private PositionService positionService;
 
    /**
     * 爬取省市區(qū)網(wǎng)站
     */
    @Test
    public void test2() throws InterruptedException {
        //一共五級
        for (int i = 0 ; i < 5 ; i++) {
            if (i == 0) {
                List<PositionEntity> positionEntities = PositionUtils.reqPosition(PositionUtils.URL_HEAD);
                savePosition(positionEntities, null, i);
                continue;
            }
            List<Position> positions = positionService.findListByLevel(i);
            for (Position parentPosition : positions) {
                List<PositionEntity> positionEntities = PositionUtils.reqPosition(String.format("%s%s%s", PositionUtils.URL_HEAD, parentPosition.getSn(), PositionUtils.URL_TAIL));
                savePosition(positionEntities, parentPosition, i);
            }
        }
    }
 
    /**
     * 報錯地址信息
     */
    private void savePosition(List<PositionEntity> positionEntities, Position parentPosition, int i){
        for (PositionEntity entity : positionEntities) {
            Position position = new Position();
            position.setSn(entity.getCode());
            position.setFullInitials(PinyinUtils.strFirst2Pinyin((parentPosition != null ? parentPosition.getFullName() : "")+entity.getName()));
            position.setFullName((parentPosition != null ? parentPosition.getFullName() : "")+entity.getName());
            position.setLevel(i + 1);
            position.setName(entity.getName());
            position.setOrderNumber(0);
            position.setPsn(parentPosition != null ? parentPosition.getSn() : 0L);
            long count = positionService.countBySn(position.getSn());
            if (count == 0) {
                positionService.savePosition(position);
            }
        }
    }
 
}

public interface PositionService {
    void savePosition(Position position);
     long countBySn(Long sn);
    List<Position> findListByLevel(Integer level);
}

@Service
public class PositionServiceImpl extends ServiceImpl<PositionMapper, Position> implements PositionService {
 
    @Override
    public void savePosition(Position position) {
        baseMapper.insert(position);
    }
 
    @Override
    public long countBySn(Long sn) {
        return baseMapper.selectCount(new QueryWrapper<Position>().lambda().eq(Position::getSn, sn));
    }
 
    @Override
    public List<Position> findListByLevel(Integer level) {
        return baseMapper.selectList(new QueryWrapper<Position>().lambda().eq(Position::getLevel, level));
    }
}

@Repository
public interface PositionMapper extends BaseMapper<Position> {
 
}

@Data
@TableName("position")
@EqualsAndHashCode()
public class Position implements Serializable {
 
    @TableId(type = IdType.AUTO)
    private Integer id;
 
    /**
     * 編碼
     */
    private Long sn;
 
    /**
     * 上級地址編碼
     */
    private Long psn;
 
    /**
     * 名稱
     */
    private String name;
 
    /**
     * 簡稱
     */
    private String shortName;
 
    /**
     * 層級
     */
    private Integer level;
 
    /**
     * 區(qū)號
     */
    private String code;
 
    /**
     * 郵政編碼
     */
    private String zip;
 
    /**
     * 拼音
     */
    private String spell;
 
    /**
     * 拼音首字母
     */
    private String spellFirst;
 
    /**
     * 地址全名
     */
    private String fullName;
 
    /**
     * 地址全名拼音首字母
     */
    private String fullInitials;
 
    /**
     * 排序
     */
    private Integer orderNumber;
 
}

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
<mapper namespace="com.wkf.workrecord.dao.PositionMapper">
 
</mapper>

public class PositionUtils {
 
    public final static String URL_HEAD = "https://xingzhengquhua.bmcx.com/";
 
    public final static String URL_TAIL = "__xingzhengquhua/";
 
    public static List<PositionEntity> reqPosition(String url) throws InterruptedException {
        String htmlStr = HttpUtils.getRequest(url);
        //解析字符串為Document對象
        Document doc = Jsoup.parse(htmlStr);
        //獲取body元素，獲取class="fc"的table元素
        Elements table = doc.body().getElementsByAttributeValue("bgcolor", "#C5D5C5");
        //獲取tbody元素
        Elements children;
        children = table.first().children();
        //獲取tr元素集合
        Elements tr = children.get(0).getElementsByTag("tr");
        List<PositionEntity> result = new ArrayList<>();
        //遍歷tr元素，獲取td元素，并打印
        for (int i = 3; i < tr.size(); i++) {
            Element e1 = tr.get(i);
            Elements td = e1.getElementsByTag("td");
            if (td.size() < 2) {
                break;
            }
            String name = td.get(0).getElementsByTag("td").first().getElementsByTag("a").text();
            String code = td.get(1).getElementsByTag("td").first().getElementsByTag("a").text();
            if (CheckUtils.isEmpty(name) || CheckUtils.isEmpty(code)) {
                continue;
            }
            result.add(new PositionEntity(name, Long.parseLong(code)));
        }
        //防止ip被封
        Thread.sleep(10000);
        return result;
    }
 
}

public class PinyinUtils {
	private final static HanyuPinyinOutputFormat format = new HanyuPinyinOutputFormat();
	static {
		format.setCaseType(HanyuPinyinCaseType.LOWERCASE);
		format.setToneType(HanyuPinyinToneType.WITHOUT_TONE);
		format.setVCharType(HanyuPinyinVCharType.WITH_V);
	}
 
	/**
	 * 字符串轉拼音
	 * 
	 * @param str
	 *            中文字符串
	 * @param fill
	 *            分隔符
	 * @return 返回中文的拼音串
	 */
	public static String str2Pinyin(String str, String fill) {
		if (null == str) {
			return null;
		}
		try {
			StringBuilder sb = new StringBuilder();
			if (fill == null)
				fill = "";
			boolean isCn = true;
			for (int i = 0; i < str.length(); i++) {
				char c = str.charAt(i);
				if (i > 0 && isCn) {
					sb.append(fill);
				}
				if (c == ' ') {
					sb.append(fill);
				}
				// 1、判斷c是不是中文
				if (c >= '\u4e00' && c <= '\u9fa5') {
					isCn = true;
					String[] piyins = PinyinHelper.toHanyuPinyinStringArray(c, format);
					if (null == piyins || 0 >= piyins.length) {
						continue;
					}
					sb.append(piyins[0]);
				} else {
					// 不是中文
					if (c >= 'A' && c <= 'Z') {
						sb.append((char)(c + 32));
					} else {
						sb.append(c);
					}
					isCn = false;
				}
			}
			return sb.toString();
		} catch (BadHanyuPinyinOutputFormatCombination e) {
			e.printStackTrace();
		}
		return null;
	}
 
	/**
	 * 拼音首字母
	 * 
	 * @param str
	 *            中文字符串
	 * @return 中文字符串的拼音首字母
	 */
	public static String strFirst2Pinyin(String str) {
		if (null == str) {
			return null;
		}
		try {
			StringBuilder sb = new StringBuilder();
			for (int i = 0; i < str.length(); i++) {
				char c = str.charAt(i);
				// 1、判斷c是不是中文
				if (c >= '\u4e00' && c <= '\u9fa5') {
					String[] piyins = PinyinHelper.toHanyuPinyinStringArray(c, format);
					if (null == piyins || 0 >= piyins.length) {
						continue;
					}
					sb.append(piyins[0].charAt(0));
				} else {
					// 不是中文
					if (c >= 'A' && c <= 'Z') {
						sb.append((char)(c + 32));
					} else {
						sb.append(c);
					}
				}
			}
			return sb.toString();
		} catch (BadHanyuPinyinOutputFormatCombination e) {
			e.printStackTrace();
		}
		return null;
	}
}