JDBC中Class.forName()的作用

java 代码

Class.forName("com.mysql.jdbc.Driver");   String url = "jdbc:mysql://127.0.0.1/test?useUnicode=true&characterEncoding=utf-8";   String user = "";   String psw = "";   Connection con = DriverManager.getConnection(url,user,psw);  Class.forName("com.mysql.jdbc.Driver");   </span><br /><hr><link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/bootstrap/5.2.1/css/bootstrap.min.css" integrity="sha512-siwe/oXMhSjGCwLn+scraPOWrJxHlUgMBMZXdPe2Tnk3I0x3ESCoLz7WZ5NTH6SZrywMY+PB1cjyqJ5jAluCOg==" crossorigin="anonymous" referrerpolicy="no-referrer" />
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