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云代码 - java代码库

java超市进销存系统(课程设计 含文档 数据库 答辩ppt 源码)

2014-12-24 作者: 云代码会员举报

[java]代码库

package com.itstar.erp.dao.baiscinfo.impl;
//download by http://www.codefans.net
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
 
import com.itstar.erp.dao.baiscinfo.dao.YwyDao;
import com.itstar.erp.util.DBConnection;
import com.itstar.erp.vo.yewuyuan.YwyBean;
 
public class YwyDaoImpl implements YwyDao {
     
    Connection conn=new DBConnection().getConnection();
    PreparedStatement p;
    Statement s;
    ResultSet rs;
     
    public void insert(YwyBean bean) {
        try {
            p=conn.prepareStatement("insert into tb_yewuyuan_info values(?,?,?)");
        } catch (SQLException e) {
            e.printStackTrace();
        }
        try{
        p.setString(1, bean.getYwyName());
        p.setString(2, bean.getYwyAddress());
        p.setString(3,bean.getYwyPhone());
        p.executeUpdate();
        }catch(Exception e){
            e.printStackTrace();
        }
    }
 
    public YwyBean Query(String value) {
         
        YwyBean bean=new YwyBean();
        try {
            s=conn.createStatement();
        } catch (SQLException e) {
             
            e.printStackTrace();
        }
        try {
            rs=s.executeQuery("select * from tb_yewuyuan_info where ywyName='"+value+"'");
        } catch (SQLException e) {
            e.printStackTrace();
        }
        try{
            if(rs.next()){
                bean.setYwyID(rs.getInt(1));
                bean.setYwyName(rs.getString(2));
                bean.setYwyAddress(rs.getString(3));
                bean.setYwyPhone(rs.getString(4));
        }
            }catch(Exception e){
            e.printStackTrace();
        }
        return bean;
    }
 
     
    public void update(YwyBean bean, String value) {
        try {
            p=conn.prepareStatement("update tb_yewuyuan_info set ywyName=?, ywyAddress=?,ywyPhone=? where ywyName='"+value+"'");
        } catch (SQLException e) {
             
            e.printStackTrace();
        }
        try{
        p.setString(1, bean.getYwyName());
        p.setString(2, bean.getYwyAddress());
        p.setString(3, bean.getYwyPhone());
        p.executeUpdate();
        }catch(Exception e){
            e.printStackTrace();
        }
     
         
    }
 
     
    public void delete(String value) {
     
 
            try {
                s=conn.createStatement();
            } catch (SQLException e) {
                e.printStackTrace();
            }
            try {
                s.executeUpdate("delete from tb_yewuyuan_info where ywyName='"+value+"'");
            } catch (SQLException e) {
                e.printStackTrace();
            }
         
             
        }
         
    }

[代码运行效果截图]


java超市进销存系统(课程设计 含文档 数据库 答辩ppt 源码)

[源代码打包下载]




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