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📄 employeedao.java~16~

📁 对2000元以上的资产管理
💻 JAVA~16~
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package com.cdaccp.dao;

import java.util.ArrayList;
import com.util.DBAccess;
import java.sql.*;
import com.cdaccp.entity.Employee;
import java.util.List;

/**
 * <p>Title: </p>
 *
 * <p>Description: </p>
 *
 * <p>Copyright: Copyright (c) 2008</p>
 *
 * <p>Company: </p>
 *
 * @author not attributable
 * @version 1.0
 */
public class EmployeeDAO {
  public EmployeeDAO() {
  }

//添加职工
  public boolean addEmployee(Employee emp){
   Connection con = DBAccess.getConnection();
   String sql = "insert into employee values(?,?,?)";
   PreparedStatement pst = null;
   try {
     pst = con.prepareStatement(sql);
     pst.setString(1,emp.getEmpName());
     pst.setInt(2,emp.getPosition());
     pst.setString(3,emp.getRemarks());
     int i = pst.executeUpdate();
     if (i>0) {
       return true;
     }
   }
   catch (Exception ex) {
     ex.printStackTrace();
   }finally{
     DBAccess.closeStatement(pst);
     DBAccess.closeConnection(con);
   }
   return false;
 }

 /**
  * 查询所有员工
  * @return List 返回所有员工信息集合
  */

 public List SelectEmployee(){
   List list = new ArrayList();
   Connection con = DBAccess.getConnection();
   String sql = "select employee.* ,job.jobName from employee inner join job on (employee.position = job.jobid) ";
   PreparedStatement pst = null;
   try {
     pst = con.prepareStatement(sql);
     ResultSet rs = pst.executeQuery();
     while (rs.next()) {
       Employee emp = new Employee();
       emp.setEmpid(rs.getInt("empid"));
       emp.setEmpName(rs.getString("empname"));
       emp.setPosition(rs.getInt("position"));
       emp.setRemarks(rs.getString("remarks"));
       emp.setJopName(rs.getString("jobname"));
       list.add(emp);
     }
     rs.close();
   }
   catch (Exception ex) {
     ex.printStackTrace();
   }finally{
     DBAccess.closeStatement(pst);
     DBAccess.closeConnection(con);
   }
   return list;
 }
 //修改职员
 public boolean UpdateEmployee(Employee emp){
   Connection con = DBAccess.getConnection();
   String sql = "update employee set empname = ?,position = ?,remarks = ? where empid = ?";
   PreparedStatement pst = null;
   try {
     pst = con.prepareStatement(sql);
     pst.setString(1,emp.getEmpName());
     pst.setInt(2,emp.getPosition());
     pst.setString(3,emp.getRemarks());
     pst.setInt(4,emp.getEmpid());
     int i = pst.executeUpdate();
     if (i>0) {
       return true;
     }
   }
   catch (Exception ex) {
     ex.printStackTrace();
   }finally{
     DBAccess.closeStatement(pst);
     DBAccess.closeConnection(con);
   }
   return false;
 }

 //删除职员
 public boolean DeleteEmployee(int id){
   Connection con = DBAccess.getConnection();
   String sql = "delete from employee where empid = ?";
   PreparedStatement pst = null;
   try {
     pst = con.prepareStatement(sql);
     pst.setInt(1,id);
     int i = pst.executeUpdate();
     if (i>0) {
       return true;
     }
   }
   catch (Exception ex) {
     ex.printStackTrace();
   }finally{
     DBAccess.closeStatement(pst);
     DBAccess.closeConnection(con);
   }
   return false;
 }

 //姓名糊模查找
 public List loadEmployeeName(String name){
   List list = new ArrayList();
   Connection con = DBAccess.getConnection();
   String sql = "select employee.* ,job.jobName from employee inner join job on (employee.position = job.jobid) where empname like '"+name+"%' ";
   PreparedStatement pst = null;
   try {
     pst = con.prepareStatement(sql);
     ResultSet rs = pst.executeQuery();
     while (rs.next()) {
       Employee emp = new Employee();
       emp.setEmpid(rs.getInt("empid"));
       emp.setEmpName(rs.getString("empname"));
       emp.setPosition(rs.getInt("position"));
       emp.setRemarks(rs.getString("remarks"));
       emp.setJopName(rs.getString("jobname"));
       list.add(emp);
     }
     rs.close();
   }
   catch (Exception ex) {
     ex.printStackTrace();
   }finally{
     DBAccess.closeStatement(pst);
     DBAccess.closeConnection(con);
   }
   return list;
 }
//按工号查找
 public List loadEmployeeid(int empId){
  List list = new ArrayList();
  Connection con = DBAccess.getConnection();
  String sql = "select employee.* ,job.jobName from employee inner join job on (employee.position = job.jobid) where empid = "+empId;
  PreparedStatement pst = null;
  try {
    pst = con.prepareStatement(sql);
    ResultSet rs = pst.executeQuery();
    while (rs.next()) {
      Employee emp = new Employee();
      emp.setEmpid(rs.getInt("empid"));
      emp.setEmpName(rs.getString("empname"));
      emp.setPosition(rs.getInt("position"));
      emp.setRemarks(rs.getString("remarks"));
      emp.setJopName(rs.getString("jobname"));
      list.add(emp);
    }
    rs.close();
  }
  catch (Exception ex) {
    ex.printStackTrace();
  }finally{
    DBAccess.closeStatement(pst);
    DBAccess.closeConnection(con);
  }
  return list;
}


}

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