📄 dataconn.java
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package com.zzx.util;
import java.sql.*;
public class DataConn {
final String driver = "org.gjt.mm.mysql.Driver";
final String url = "jdbc:mysql://localhost:3306/sportcollege?useUnicode=true&characterEncoding=GBK";
final String user = "root";
final String password = "root";
static Connection conn = null;
public DataConn() {
try {
Class.forName(driver);
} catch (ClassNotFoundException e) {
e.printStackTrace();
System.out.println("驱动类加载失败!");
}
try {
conn = DriverManager.getConnection(url, user, password);
} catch (SQLException e) {
e.printStackTrace();
System.out.println("连接数据库失败!");
}
}
public Connection getConn() {
return conn;
}
public void closeConn() {
try {
conn.close();
} catch (SQLException e) {
System.out.println("database can not close successfully !");
}
}
}
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