java 连接mysql数据库

2017-10-10  本文已影响0人  小小白园

需要导入驱动包,我的版本是:mysql-connector-java-5.1.44-bin.jar
导入到WEB-INF下面的lib文件夹下,还需Bulid Path一下。

import java.sql.Connection;
import java.sql.DriverManager;

public class fzConn {
    private static final String DRIVER_CLASS = "com.mysql.jdbc.Driver";
    private static String url="jdbc:mysql://localhost:8806/表名";
    private static String name="root";
    private static String password="你的密码";
    private static Connection conn;

    // 加载驱动
    static{
        try {
            Class.forName(DRIVER_CLASS);
        } catch (Exception e) {
            System.out.println("加载驱动错误");
            System.out.println(e.getMessage());
        }
    }
        
    // 取得连接
    public static Connection getConnection(){
        
        try {
            conn = DriverManager.getConnection(url, name, password);
            System.out.println("连接成功");
        } catch (Exception e) {
            System.out.println("取得连接错误");
            System.out.println(e.getMessage());
        }
        return conn;
    }
}
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