📄 dbmanager.java
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package dao;
import java.sql.Connection;
import java.sql.DriverManager;
public class DBManager {
private static String url = "jdbc:mysql://localhost:3306/test?useUnicode=true&characterEncoding=GBK&mysqlEncoding=GBK";
private static String driver = "org.gjt.mm.mysql.Driver";
private static String user = "root";
private static String password = "root";
private static Connection conn;
public static Connection getConn() {
if (conn == null) {
try {
Class.forName(driver);
conn = DriverManager.getConnection(url, user, password);
} catch (Exception e) {
e.printStackTrace();
}
}
return conn;
}
}
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