如何將Java連接到Mysql？

我的Java程序出現這些錯誤。我已經把mysql-connector-java-5.1.14-bin.jar放在我的類路徑中。如何解決這個問題？如何將Java連接到Mysql？

HSystemRDB.java:144: package com.mysql.jdbc does not exist 
    Driver driver = new com.mysql.jdbc.Driver(); 
            ^
HTestClassRDB.java:99: package com.mysql.jdbc does not exist 
     DriverManager.registerDriver(new com.mysql.jdbc.Driver());

代碼：

String url = "jdbc:mysql://wire:3306/h?user="+pSystemRDB.USERNAME+"&password="+pSystemRDB.PASSWORD; 
    Connection con; 
    Statement stmt; 
    String query1 = "Delete from dbase"; 
    String query2 = "Delete from id"; 


    try { 
     DriverManager.registerDriver(new com.mysql.jdbc.Driver()); 
    } catch (Exception e) { 
     System.out.println("Class Not Found Exception:"); 
     System.out.println(e.getMessage()); 
    }

來源

2010-12-08 karikari

那麼，它可能沒有說謊。你確定mysql連接器在你的類路徑中嗎？你讀過這個嗎？ http://dev.mysql.com/doc/refman/5.1/en/connector-j-usagenotes-basic.html#connector-j-usagenotes-connect-drivermanager – Robert 2010-12-08 08:22:50

他可以試試`String s =「java」+「 mysql「;`... :-) – 2010-12-08 10:59:10

您需要從下載MySQL包：here並將其放置在庫中，我將修改在少數分鐘excact步驟

這是正確的語法連接到數據庫：

try 
{ 
    // create a java mysql database connection 
    String myDriver = "org.gjt.mm.mysql.Driver"; 
    String myUrl = "jdbc:mysql://localhost/test"; 
    Class.forName(myDriver); 
    Connection conn = DriverManager.getConnection(myUrl, "root", ""); 

    // your prepstatements goes here... 

    conn.close(); 
} 
catch (Exception e) 
{ 
    System.err.println("Got an exception! "); 
    System.err.println(e.getMessage()); 
}

希望這有助於

來源

2010-12-08 08:21:08 Wesley