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

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package com.demo.dao.impl;

import com.demo.dao.SoftwareDAO;
import com.demo.dao.WeixiuDAO;
import com.demo.util.Util;
import com.demo.vo.Software;
import com.demo.vo.Weixiu;

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;

/**
 * 教学软件模块的DAO层（数据层）的具体实现类，对SoftwareDAO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 SoftwareDAOImpl implements SoftwareDAO {

    //@Override
    public void add(Software vo) {
        String sql = "insert into `t_software` (`software_name`,`software_manufactor`,`software_tel`,`software_link`,`software_no`,`software_note`,`software_time`,`software_status`) values(?,?,?,?,?,?,?,?)";
        try {
            Connection c = Util.getConnection();
            PreparedStatement ps = c.prepareStatement(sql);
            
            ps.setString(1, vo.getSoftwareName());
            ps.setString(2, vo.getSoftwareManufactor());
            ps.setString(3, vo.getSoftwareTel());
            ps.setString(4, vo.getSoftwareLink());
            ps.setString(5, vo.getSoftwareNo());
            ps.setString(6, vo.getSoftwareNote());
            ps.setString(7, vo.getSoftwareTime());
            ps.setString(8, vo.getSoftwareStatus());
            ps.execute();
            ps.close();
            c.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }

    //@Override
    public void update(Software vo) {
        String sql = "update `t_software` set `software_name` = ? ,`software_manufactor` = ? ,`software_tel` = ? ,`software_link` = ? ,`software_no` = ? ,`software_note` = ? ,`software_time` = ? ,`software_status` = ?   where `id` = ?";
        try {
            Connection c = Util.getConnection();
            PreparedStatement ps = c.prepareStatement(sql);
            
            ps.setString(1, vo.getSoftwareName());
            ps.setString(2, vo.getSoftwareManufactor());
            ps.setString(3, vo.getSoftwareTel());
            ps.setString(4, vo.getSoftwareLink());
            ps.setString(5, vo.getSoftwareNo());
            ps.setString(6, vo.getSoftwareNote());
            ps.setString(7, vo.getSoftwareTime());