import java.sql.*;
public class TestJDB {
public static void main(String args[]) {
try {
Class.forName("com.mysql.jdbc.Driver"); //加载MYSQL JDBC驱动程序
//Class.forName("org.gjt.mm.mysql.Driver");
System.out.println("Success loading Mysql Driver!");
}
catch (Exception e) {
System.out.print("Error loading Mysql Driver!");
e.printStackTrace();
}
try {
Connection connect = DriverManager.getConnection(
"jdbc:mysql://localhost:3306/tx","root","126");
//连接URL为 jdbc:mysql//服务器地址/数据库名 ,后面的2个参数分别是登陆用户名和密码
System.out.println("Success connect Mysql server!");
Statement stmt = connect.createStatement();
ResultSet rs = stmt.executeQuery("select * from myclass");
while (rs.next()) {
System.out.println(rs.getInt(1)+"\t"
+rs.getString(2)+"\t"
+rs.getInt(3)+"\t"
+rs.getDouble(4)+"\t"
+rs.getInt(5));
}
}
catch (Exception e) {
System.out.print("get data error!");
e.printStackTrace();
}
}
}
验证数据库是不是已经连接可用代码
最新推荐文章于 2023-12-21 11:25:43 发布