newmaker.java

自己做的一个企业招标系统,B/S结构。开发工具Eclipse

/**
 * 
 */
package com.centralsoft.zhaobiao.admin;

import java.util.*;
import java.sql.*;

import com.centralsoft.zhaobiao.util.*;
import com.centralsoft.zhaobiao.qtdataguanli.*;
import com.centralsoft.zhaobiao.admin.*;
/**
 * @author zw
 *
 */
public class NewMaker {
	public NewMaker() {	
	}
	long NewMaker_id;
	int certificateCount;
	String NewMaker_name;
	String NewMaker_address;
	String NewMaker_cr_address;
	String NewMaker_cr_time;
	String NewMaker_cr_cost;
	String NewMaker_fr_name;
	String NewMaker_fr_position;
	String NewMaker_attribute;
	String NewMaker_relation;
	String NewMaker_db_content;
	/**
	 * 设置新添加后的厂商id
	 * @param NewMaker_id
	 */
	public void setNewMaker_id(long NewMaker_id) {
		this.NewMaker_id = NewMaker_id;
	}
	/**
	 * 返回新添加后的厂商id
	 * @return
	 */
	public long getNewMaker_id() {
		return NewMaker_id;
	}
	public void setNewMaker_name(String NewMaker_name) {
		this.NewMaker_name = NewMaker_name;
	}
	public String getNewMaker_name() {
		return NewMaker_name;
	}
	public void setNewMaker_address(String NewMaker_address) {
		this.NewMaker_address = NewMaker_address;
	}
	public String getNewMaker_address() {
		return NewMaker_address;
	}
	public void setNewMaker_cr_address(String NewMaker_cr_address) {
		this.NewMaker_cr_address = NewMaker_cr_address;
	}
	public String getNewMaker_cr_address() {
		return NewMaker_cr_address;
	}
	/**
	 * 验证厂商是否更新成功
	 * 1代表更新成功，0代表更新失败
	 * @param certificateCount
	 */
	public void setCertificateCount(int certificateCount) {
		this.certificateCount = certificateCount;
	}
	/**
	 * 返回验证厂商是否更新成功的值
	 * @return
	 */
	public int getCertificateCount() {
		return certificateCount;
	}
	/**
	 * 验证新添加(或删除)的厂商id是不是存在于数据库中
	 * 1代表添加成功，0代表删除成功
	 * @return
	 */
	public int certificateMaker_id() {
		int count = 0;
		long maxid = getNewMaker_id();
		dataBase db = new dataBase();
		ResultSet rs = null;
		String sql = "select * from maker where maker_id = "+maxid;
		rs = db.getResultSet(sql);
		try {
			while (rs.next()) {
				count ++;
			}
			System.out.println("验证新添加(或删除)的厂商id是不是存在于数据库中:"+count);
		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				if (rs != null) {
					rs.close();
				}
				db.closeConn();
			} catch (Exception e) {
				System.out.println(e.getMessage());
			}
		}
		return count;
	}
	/**
	 * 添加厂商
	 * @param mk
	 */
	public void addMaker(Maker mk) {
		long maxid = 0;
		Connection conn = null;
		dataBase db = new dataBase();
		conn = db.getConnection();
		String sql = "select max(maker_id) as id from maker";
		PreparedStatement ps = null;
		PreparedStatement ps1 = null;
		ResultSet rs1 = null;
		try {
			ps1 = conn.prepareStatement(sql);
			rs1 = ps1.executeQuery();
			if (rs1.next()) {
				maxid = rs1.getLong("id") + 1;
				System.out.println("生成的厂商id====="+maxid);
			} else {
				maxid = 1;
			}
			setNewMaker_id(maxid);//将新添加后的厂商id
		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				if (rs1 != null) {
					rs1.close();
				}
				if (ps1 != null) {
					ps1.close();
				}
			} catch (Exception e) {
				System.out.println(e.getMessage());
			}
		}
		String sqlAdd = "insert into maker (maker_id,maker_name,maker_address,maker_cr_time," +
				"maker_cr_address,maker_cr_cost,maker_fr_name,maker_fr_position,maker_attribute,maker_relation,maker_db_content) " +
				"values (?,?,?,?,?,?,?,?,?,?,?)";
		try {
			ps = conn.prepareStatement(sqlAdd);
			ps.setLong(1,maxid);
			ps.setString(2,mk.getMaker_name());
			ps.setString(3,mk.getMaker_address());
			ps.setString(4,mk.getMaker_cr_time());
			ps.setString(5,mk.getMaker_cr_address());
			ps.setString(6,mk.getMaker_cr_cost());
			ps.setString(7,mk.getMaker_fr_name());
			ps.setString(8,mk.getMaker_fr_position());
			ps.setString(9,mk.getMaker_attribute());
			ps.setString(10,mk.getMaker_relation());
			ps.setString(11,mk.getMaker_db_content());
			ps.executeUpdate();	
		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				if (ps != null) {
					ps.close();
				}
				db.closeConn();
			} catch (Exception e) {
				System.out.println(e.getMessage());
			}
		}
	}
	/**
	 * 更新一个厂商信息
	 * @param mk
	 */
	public void updateMaker(Maker mk) {
		Connection conn = null;
		dataBase db = new dataBase();
		conn = db.getConnection();
		String sql = "update maker set maker_name = ?,maker_address = ?,maker_cr_time = ?,maker_cr_address = ?," +
				"maker_cr_cost = ?,maker_fr_name = ?,maker_fr_position = ?,maker_attribute = ?,maker_relation = ?," +
				"maker_db_content = ? where maker_id = ?";
		PreparedStatement ps = null;
		try {
			ps = conn.prepareStatement(sql);
			ps.setString(1,mk.getMaker_name());
			ps.setString(2,mk.getMaker_address());
			ps.setString(3,mk.getMaker_cr_time());
			ps.setString(4,mk.getMaker_cr_address());
			ps.setString(5,mk.getMaker_cr_cost());
			ps.setString(6,mk.getMaker_fr_name());
			ps.setString(7,mk.getMaker_fr_position());
			ps.setString(8,mk.getMaker_attribute());
			ps.setString(9,mk.getMaker_relation());
			ps.setString(10,mk.getMaker_db_content());
			ps.setLong(11,mk.getMaker_id());
			ps.executeUpdate();
		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				if (ps != null) {
					ps.close();
				}
				conn.close();
				db.closeConn();
			} catch (Exception e) {
				System.out.println(e.getMessage());
			}
		}
		String sqlCertificate = "select * from maker where (maker_id = '"+mk.getMaker_id()+"') " +
				"and (maker_name = '"+mk.getMaker_name()+"'or maker_address = '"+mk.getMaker_address()+"" +
						"'or maker_cr_time = '"+mk.getMaker_cr_time()+"'or maker_cr_address = '"+mk.getMaker_cr_address()+"" +
								"'or maker_cr_cost = '"+mk.getMaker_cr_cost()+"'or maker_fr_name = '"+mk.getMaker_fr_name()+"" +
										"'or maker_fr_position = '"+mk.getMaker_fr_position()+"'or maker_attribute = '"+mk.getMaker_attribute()+"" +
												"'or maker_relation = '"+mk.getMaker_relation()+"'or maker_db_content = '"+mk.getMaker_db_content()+"')";
		ResultSet rs1 = null;
		System.out.println("sqlCertificate====="+sqlCertificate);
		int count = 0;
		rs1 = db.getResultSet(sqlCertificate);
		try {
			while (rs1.next()) {
				count ++;
			}
			setCertificateCount(count);
			System.out.println("返回验证厂商是否更新成功的值:"+count);
		} catch (Exception e) {
			System.out.println(e.getMessage());
		}
	}
	/**
	 * 根据厂商的id删除厂商，并且删除procduct表中该厂商的所有产品信息。
	 * （其中在删除该产品时会删除ppm表中的所有与该产品相关的记录，
	 * 同时删除ppm记录时会删除与ppm记录对应的price记录）
	 * @param maker_id
	 */
	public void delMaker(long maker_id) {
		Connection conn = null;
		dataBase db = new dataBase();
		conn = db.getConnection();
		String sql = "delete from maker where maker_id = ?";
		PreparedStatement ps = null;
		try {
			ps = conn.prepareStatement(sql);
			ps.setLong(1,maker_id);
			ps.executeUpdate();
			NewProduct newpd = new NewProduct();
			newpd.delProductMakerid(maker_id);
		} catch (Exception e) {
			System.out.println(e.getMessage());
		} finally {
			try {
				if (ps != null) {
					ps.close();
				}
				db.closeConn();
			} catch (Exception e) {
				System.out.println(e.getMessage());
			}
		}
	}
}