D:\CET\apache-tomcat-6.0.39_9050\webapps\ROOT\conn.php:2: Warning: A link to the server could not be established. url=jdbc:mysql://localhost/?jdbcCompliantTruncation=false&characterSetResults=ISO8859_1&characterEncoding=ISO8859_1&useServerPrepStmts=true driver=com.mysql.jdbc.Driver com.caucho.quercus.QuercusModuleException: java.lang.ClassNotFoundException: com.mysql.jdbc.Driver [mysql_connect] 2ʧ