import java.io.Serializable;
/**
 * 用戶實(shí)體類(lèi)
 * @author 
 *
 */
public class UserBean implements Serializable {
  /**用戶ID*/
  private int id;
  /**用戶名字*/
  private String name;
  public UserBean() {
  }
  public UserBean(int id, String name) {
    this.id = id;
    this.name = name;
  }
  public int getId() {
    return id;
  }
  public void setId(int id) {
    this.id = id;
  }
  public String getName() {
    return name;
  }
  public void setName(String name) {
    this.name = name;
  }
  @Override
  public String toString() {
    return "UserBean [id=" + id + ", name=" + name + "]";
  }
}

/**
 * 用于展示分頁(yè)數(shù)據(jù)的JavaBean對(duì)象
 * @author
 *
 */
import java.util.List;
public class PagenationBean {
  /** 當(dāng)前頁(yè)數(shù) */
  private Integer currPage;
  /** 總頁(yè)數(shù) */
  private Integer totalPage;
  /** 用于展示的table數(shù)據(jù) */
  private List<UserBean> dataList;
  public Integer getCurrPage() {
    return currPage;
  }
  public void setCurrPage(Integer currPage) {
    this.currPage = currPage;
  }
  public Integer getTotalPage() {
    return totalPage;
  }
  public void setTotalPage(Integer totalPage) {
    this.totalPage = totalPage;
  }
  public List<StuBean> getDataList() {
    return dataList;
  }
  public void setDataList(List<StuBean> dataList) {
    this.dataList = dataList;
  }
}

　@Override
  public int getTotalCount() { //計(jì)算總的數(shù)據(jù)條數(shù)
    this.setConnection();
    int totalCount = 0;
    try {
      ps = con.prepareStatement("select count(*) from t_user");
      rs = ps.executeQuery();
      if (rs.next()) {
        totalCount = rs.getInt(1);
      }
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      this.closeConnection();
    }
    return totalCount;
  }
  @Override
  public List<UserBean> getUserListByStartIndex(int StartIndex) { //根據(jù)傳入的limit第一位參數(shù)得到該參數(shù)后面的10條數(shù)據(jù)
    List<UserBean> userList = new ArrayList<>();
    UserBean userBean= null;
    this.setConnection();
    int totalCount = 0;
    try {
      ps = con.prepareStatement("select * from t_user limit ? , 10");
      ps.setInt(1, StartIndex);
      rs = ps.executeQuery();
      while (rs.next()) {
        userBean= new StuBean();
        userBean.setId(rs.getInt("id"));
        userBean.setName(rs.getString("name"));
        stuList.add(userBean);
      }
    } catch (Exception e) {
      e.printStackTrace();
    } finally {
      this.closeConnection();
    }    
    return userList;
  }  

private IUserDao isd = new UserDaoImpl();
　　@Override
  public int getTotalPage() {
    //得到數(shù)據(jù)據(jù)條數(shù)
    int totalCount = isd.getTotalCount();
    //計(jì)算總頁(yè)數(shù)公式
    int totalPage = (totalCount + 10 -1)/10;
    return totalPage;
  }
　　@Override
  public List<UserBean> getUserListByCurrPage(int currPage) {
    //通過(guò)當(dāng)前頁(yè)計(jì)算起始索引
    int StartIndex = (currPage - 1) * 10;
    List<UserBean> userList = isd.getStuListByStartIndex(StartIndex);
    return userList;
  }