驅動jar包下載:鏈接:https://pan.baidu.com/s/1CELkAMoDAzzclKhAa5h7lg 密碼:xvlx
首先新建項目,把MySQL8.0的驅動jar包拖進項目。
右鍵jar包,配置jar包的構建路徑,直接選添加至構建路徑即可。
配置好之後是這樣的:
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.ResultSet;
import java.sql.Statement;
public class Main {
public static void main(String[] args) {
String DB_DRIVER = "com.mysql.cj.jdbc.Driver";
String DB_URL = "jdbc:mysql://localhost:3306?useSSL=false&serverTimezone=Asia/Shanghai";
String DB_USERNAME = "root";
String DB_PASSWORD = "123456";
try {
Class.forName(DB_DRIVER);
Connection connection = DriverManager.getConnection(DB_URL, DB_USERNAME, DB_PASSWORD);
Statement statement = connection.createStatement();
statement.execute("USE `world`");
ResultSet resultSet = statement.executeQuery("SELECT * FROM `country`");
while(resultSet.next()) {
System.out.println(resultSet.getString("Name"));
}
resultSet.close();
statement.close();
connection.close();
} catch (Exception e) {
e.printStackTrace();
}
}
}
這裏需要注意MySQL8.0和低版本不同的地方:DB_DRIVER要寫com.mysql.cj.jdbc.Driver,並且DB_URL後面要加上useSSL和serverTimezone