src/com/demo/dao/impl/ShebeiDAOImpl.java

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package com.demo.dao.impl;

import com.demo.util.Util;
import com.demo.dao.ShebeiDAO;
import com.demo.vo.Shebei;

import java.io.Serializable;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * 设备模块的DAO层（数据层）的具体实现类，对ShebeiDAO接口中定义的增删改查等抽象方法作出具体的功能实现
 */
public class ShebeiDAOImpl implements ShebeiDAO {

    //@Override
    public void add(Shebei vo) {
        String sql = "insert into `t_shebei` (`shebei_name`,`shebei_no`,`shebei_type`,`shebei_cangjia`,`shebei_indate`,`shebei_inprice`,`shebei_dept`,`shebei_status`) values(?,?,?,?,?,?,?,?)";
        try {
            Connection c = Util.getConnection();
            PreparedStatement ps = c.prepareStatement(sql);
            
            ps.setString(1, vo.getShebeiName());
            ps.setString(2, vo.getShebeiNo());
            ps.setString(3, vo.getShebeiType());
            ps.setString(4, vo.getShebeiCangjia());
            ps.setString(5, vo.getShebeiIndate());
            ps.setString(6, vo.getShebeiInprice());
            ps.setString(7, vo.getShebeiDept());
            ps.setString(8, vo.getShebeiStatus());
            ps.execute();
            ps.close();
            c.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //@Override
    public void update(Shebei vo) {
        String sql = "update `t_shebei` set `shebei_name` = ? ,`shebei_no` = ? ,`shebei_type` = ? ,`shebei_cangjia` = ? ,`shebei_indate` = ? ,`shebei_inprice` = ? ,`shebei_dept` = ? ,`shebei_status` = ?  where `id` = ?";
        try {
            Connection c = Util.getConnection();
            PreparedStatement ps = c.prepareStatement(sql);
            
            ps.setString(1, vo.getShebeiName());
            ps.setString(2, vo.getShebeiNo());
            ps.setString(3, vo.getShebeiType());
            ps.setString(4, vo.getShebeiCangjia());
            ps.setString(5, vo.getShebeiIndate());
            ps.setString(6, vo.getShebeiInprice());
            ps.setString(7, vo.getShebeiDept());
            ps.setString(8, vo.getShebeiStatus());
            ps.setLong(9, vo.getId());