[Android.Runtime.Register("java/sql/DriverManager", DoNotGenerateAcw=true)]publicclassDriverManager:Java.Lang.Object Inheritance Object Object DriverManager Attributes RegisterAttribute Remarks The basic service for managing a set of JDBC drivers. <B>NOTE:</B> TheDataSourceinterface, new in the JDBC...
//jdk6之后,无需再显式执行Class.forName Class.forName("oracle.jdbc.driver.OracleDriver"); // com.mysql.cj.jdbc.Driver [mysql:mysql-connector-java:8.0.28] // com.mysql.jdbc.Driver [mysql:mysql-connector-java:5.1.33] // org.gjt.mm.mysql.Driver extends com.mysql.jdbc.Driver [mysql:mysql...
// mysql 的驱动类如下// 重点1: 该驱动类必须实现 java.sql.Driver 接口publicclassDriverextendsNonRegisteringDriverimplementsjava.sql.Driver{/// Register ourselves with the DriverManager//static{try{// 重点2: 必须在加载时,就将自身注册到 DriverManager 中java.sql.DriverManager.registerDriver(newDriver());...
在使用此类之前,必须先加载数据库驱动程序,加载方式:Class.forName(JDBC数据库驱动); 加载前应把下载的驱动程序(mysql-connector-java-5.1.39-bin.jar)拷贝到\jdk\jre\lib\ext或\tomcat5.x\common\lib文件夹中。 Class.forName(JDBC数据库驱动)中JDBC驱动程序的写法: MySQL数据库驱动:com.mysql.jdbc.Driver SQL...
java.lang.Object | +---java.sql.DriverManager public class DriverManager extends Object The DriverManager provides a basic service for managing a set of JDBC drivers. As part of its initialization, the DriverManager class will attempt to load the driver classes referenced in the "jdbc.drivers"...
以mysql 为例,使用反射方法去找到 驱动类 Class.forName("com.mysql.jdbc.Driver"); 所以,如何驱动起来,也是这个驱动类应该做的事了。 // mysql 的驱动类如下// 重点1: 该驱动类必须实现 java.sql.Driver 接口public class Driver extends NonRegisteringDriver implements java.sql.Driver { // // Register our...
The jdbc.drivers system property which contains a colon separated list of fully qualified class names of JDBC drivers. Each driver is loaded using the system class loader: jdbc.drivers=foo.bah.Driver:wombat.sql.Driver:bad.taste.ourDriver Service providers of the java.sql.Driver class, that ...
*@return*@throwsException*/publicConnection getConnection3()throwsException {//准备连接数据库的四个字符串//驱动的全类名String driverClass =null; String jdbcUrl=null; String user=null; String password=null; String jdbcName=null;//读取jdbcName.properties文件InputStream inStream = getClass().getClas...
JDBC 应用程序可以使用 JDBCDriverManager接口建立与数据源的连接,该接口是java.sql包的一部分。 Java™ 应用程序首先通过调用Class.forName方法来装入 JDBC 驱动程序。 在应用程序装入驱动程序之后,它将通过调用DriverManager.getConnection方法连接到数据库服务器。 例如: ...
* i.e. there may be a packaged driver with the service class * as implementation of java.sql.Driver but the actual class * may be missing. In that case a sun.misc.ServiceConfigurationError * will be thrown at runtime by the VM trying to locate ...