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JAVAEE JDBC連結資料庫操作

撰寫人——軟工二班——陳喜平
需要的工具:
eclipse
連結:https://pan.baidu.com/s/1RWiZUxVzmRTIyp-8MvglFA
提取碼:qku0

JDK1.8以上
連結:https://pan.baidu.com/s/10AB5EXPUs80iKrAf-KvtMQ
提取碼:vih2

apache-tomcat-8.0.21
連結:https://pan.baidu.com/s/1tTlHWAOoeKo00BYojG1bCQ
提取碼:evbk

其他工具:
navicat(Navicat_Premium_11.0.17_XiaZaiBa):
連結:https://pan.baidu.com/s/1plYYlYMR4NxVi9rnxRWiWg


提取碼:wu55

mysql-connector-java-5.1.6-bin:
連結:https://pan.baidu.com/s/11vHv459wdGyMoPeZmMSZRg
提取碼:0ao6

conn.properties:
連結:https://pan.baidu.com/s/1D0c7SVrbGu1jL4pwVBbfNA
提取碼:ydvt

參考程式碼:

package com.work.cxp01;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;

public class jdbcTest {
	public static void main(String[] args) {
		System.out.println("jdbc start...");
		//可用的mysql資料庫
		//工程構建路徑中包含 mysql的jdbc驅動包
		
		//1.載入資料庫驅動類
		try {
			Class.forName("com.mysql.jdbc.Driver");
		} catch (ClassNotFoundException e) {
			e.printStackTrace();
			System.exit(0);
		}
		
		//2.獲取資料庫連結物件
		Connection conn = null;
		Statement stmt = null;
		ResultSet rs = null;
		String url = "jdbc:mysql://127.0.0.1:3306/flower_shop?useUnicode=true&characterEncoding=UTF-8";
		String user = "root";
		String password = "";
		try {
			conn = DriverManager.getConnection(url, user, password);
			
			//3.獲取sql語句物件
			stmt = conn.createStatement();
			
			//4.執行sql語句並返回結果集
			String sql = "SELECT * FROM order_message_table";
			rs = stmt.executeQuery(sql);
			
			//5.遍歷結果集
			while(rs.next()){
				System.out.println(rs.getInt(1)+"\t"+rs.getString("delate_date")+"\t"+rs.getString("meet_date")+"\t"+rs.getDouble("order_price")+"\t"+rs.getString("order_status")+"\t"+rs.getInt(1)+"\t"+rs.getInt(1));
			}
			
		} catch (SQLException e) {
			e.printStackTrace();
		}finally {
			//6.關閉jdbc物件
			try {
				rs.close();
			} catch (SQLException e) {
			}
			try {
				stmt.close();
			} catch (SQLException e) {
			}
			try {
				conn.close();
			} catch (SQLException e) {
			}
		}
	}
}


工程包:

連結:https://pan.baidu.com/s/1Jib9tQpMRFBOTzxFMH38Wg
提取碼:5e70

執行截圖:
JDBC連線成功