基于SSM框架+MySQL实现的企业级OA管理系统完整源码+说明.zip

package com.oaoffice.dao.impl; import java.sql.Connection; import java.sql.PreparedStatement; import java.sql.ResultSet; import java.sql.SQLException; import java.util.ArrayList; import java.util.List; import com.oaoffice.util.DbFun; import com.oaoffice.bean.User; import com.oaoffice.dao.UserDao; import com.oaoffice.util.PagingVO; public class UserDaoImpl implements UserDao{ @SuppressWarnings("resource") public Integer insert(User bean) { //user_id,user_name,user_realname,user_pwd,user_sex,phonenumber,user_born //user_address,user_hobby,user_email,selfassessment,headpic,dept_id StringBuilder sb = new StringBuilder(); sb.append(" Insert Into User(user_name,user_realname,user_pwd,user_sex,"); sb.append(" phonenumber,user_born,user_address,user_email,headpic,dept_id)"); sb.append("Values(?,?,?,?,?,?,?,?,?,?)"); String sql = sb.toString(); Connection conn = null; PreparedStatement pstmt = null; ResultSet rs = null; Integer num = 0; try { conn = DbFun.getConn(); pstmt = conn.prepareStatement(sql); pstmt.setObject(1, bean.getUser_name()); pstmt.setObject(2, bean.getUser_realname()); pstmt.setObject(3, bean.getUser_pwd()); pstmt.setObject(4, bean.getUser_sex()); pstmt.setObject(5, bean.getPhonenumber()); pstmt.setObject(6, bean.getUser_born()); pstmt.setObject(7, bean.getUser_address()); pstmt.setObject(8, bean.getUser_email()); pstmt.setObject(9, bean.getHeadpic()); pstmt.setObject(10, bean.getDept_id()); num = pstmt.executeUpdate(); // 如果受影响行数大于0，说明添加成功；之后，要获取刚刚添加的行的主键值 if (num > 0) { sql = "Select @@Identity"; pstmt = conn.prepareStatement(sql); rs = pstmt.executeQuery(); while (rs.next()) { num = rs.getInt(1); } } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { DbFun.close(rs, pstmt, conn); } return num; } public List<User> list() { List<User> list = new ArrayList<User>(); StringBuilder sb = new StringBuilder(); sb.append("SELECT"); sb.append(" a.*,"); sb.append(" d.role_name,"); sb.append(" b.dept_name"); sb.append(" FROM" ); sb.append(" USER AS a"); sb.append(" LEFT JOIN dept b ON a.dept_id = b.dept_id "); sb.append(" LEFT JOIN user_role c ON c.user_id = a.user_id "); sb.append(" LEFT JOIN role d ON c.role_id = d.role_id "); String sql = sb.toString(); Connection conn = null; PreparedStatement pstmt = null; ResultSet rs = null; //user_id,user_name,user_realname,user_pwd,user_sex,phonenumber,user_born //user_address,user_hobby,user_email,selfassessment,headpic,dept_id try { conn = DbFun.getConn(); pstmt = conn.prepareStatement(sql); rs = pstmt.executeQuery(); User tmpbean = null; while (rs.next()) { tmpbean = new User(); tmpbean.setUser_id(rs.getInt("user_id")); tmpbean.setUser_name(rs.getString("user_name")); tmpbean.setUser_realname(rs.getString("user_realname")); tmpbean.setUser_pwd(rs.getString("user_pwd")); tmpbean.setUser_sex(rs.getString("user_sex")); tmpbean.setPhonenumber(rs.getString("phonenumber")); tmpbean.setUser_born(rs.getDate("user_born")); tmpbean.setUser_address(rs.getString("user_address")); tmpbean.setUser_email(rs.getString("user_email")); tmpbean.setHeadpic(rs.getString("headpic")); tmpbean.setDept_id(rs.getInt("dept_id")); tmpbean.setDept_name(rs.getString("dept_name")); tmpbean.setRole_name(rs.getString("role_name")); list.add(tmpbean); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { DbFun.close(rs, pstmt, conn); } return list; } public Integer delete(Integer id) { StringBuilder sb = new StringBuilder(); sb.append(" delete from User where user_id=?"); String sql = sb.toString(); Connection conn = null; PreparedStatement pstmt = null; ResultSet rs = null; Integer num = 0; try { conn = DbFun.getConn(); pstmt = conn.prepareStatement(sql); pstmt.setObject(1, id); num = pstmt.executeUpdate(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { DbFun.close(rs, pstmt, conn); } return num; } public Integer update(User bean) { // TODO Auto-generated method stub StringBuilder sb = new StringBuilder(); sb.append(" update User Set "); sb.append(" user_name=? "); sb.append(" ,user_realname=? "); sb.append(" ,user_pwd=? "); sb.append(" ,user_sex=? "); sb.append(" ,phonenumber=? "); sb.append(" ,user_born=? "); sb.append(" ,user_address=? "); sb.append(" ,user_hobby=? "); sb.append(" ,user_email=? "); sb.append(" ,selfassessment=? "); sb.append(" ,headpic=? "); sb.append(" ,dept_id=? "); sb.append(" where user_id=?"); String sql = sb.toString(); Connection conn = null; PreparedStatement pstmt = null; ResultSet rs = null; Integer num = 0; //uname,upass,realName,gender,birthday try { conn = DbFun.getConn(); pstmt = conn.prepareStatement(sql); pstmt.setObject(1, bean.getUser_name()); pstmt.setObject(2, bean.getUser_realname()); pstmt.setObject(3, bean.getUser_pwd()); pstmt.setObject(4, bean.getUser_sex()); pstmt.setObject(5, bean.getPhonenumber()); pstmt.setObject(6, bean.getUser_born()); pstmt.setObject(7, bean.getUser_address()); pstmt.setObject(8, bean.getUser_hobby()); pstmt.setObject(9, bean.getUser_email()); pstmt.setObject(10, bean.getSelfassessment()); pstmt.setObject(11, bean.getHeadpic()); pstmt.setObject(12, bean.getDept_id()); pstmt.setObject(13, bean.getUser_id()); num = pstmt.executeUpdate(); } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { DbFun.close(rs, pstmt, conn); } return num; } public User load(Integer id) { StringBuilder sb = new StringBuilder(); sb.append("SELECT"); sb.append(" a.*,"); sb.append(" b.dept_name"); sb.append(" FROM" ); sb.append(" USER AS a"); sb.append(" LEFT JOIN dept b ON a.dept_id = b.dept_id "); sb.append(" Where user_id=?"); String sql = sb.toString(); Connection conn = null; PreparedStatement pstmt = null; ResultSet rs = null; User bean = null; try { conn = DbFun.getConn(); pstmt = conn.prepareStatement(sql); pstmt.setObject(1, id); rs = pstmt.executeQuery(); if (rs.next()) { bean = new User(); bean.setUser_id(rs.getInt("user_id")); bean.setUser_name(rs.getString("user_name")); bean.setUser_realname(rs.getString("user_realname")); bean.setUser_pwd(rs.getString("user_pwd")); bean.setUser_sex(rs.getString("user_sex")); bean.setPhonenumber(rs.getString("phonenumber")); bean.setUser_born(rs.getDate("user_born")); bean.setUser_address(rs.getString("user_address")); bean.setUser_hobby(rs.getString("user_hobby")); bean.setUser_email(rs.getString("user_email")); bean.setSelfassessment(rs.getString("selfassessment")); bean.setHeadpic(rs.getString("headpic")); bean.setDept_id(rs.getInt("dept_id")); bean.setDept_name(rs.getString("dept_name")); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { DbFun.close(rs, pstmt, conn); } return bean; } public Integer count() { StringBuilder sb = new StringBuilder(); sb.append(" select count(1) from User"); String sql = sb.toString(); Connection conn = null; PreparedStatement pstmt = null; ResultSet rs = null; Integer num = 0; try { conn = DbFun.getConn(); pstmt = conn.prepareStatement(sql); rs = pstmt.executeQuery(); if(rs.next()) { num=rs.getInt(1); } } catch (Exception e) { // TODO Auto-generated catch block e.printStackTrace(); } finally { DbFun.close(rs, pstmt, conn); } return num; } public User loadByName(String name) { /