JAVA 连数据库出错!求救高手!
JAVA 连数据库出错!求救高手!不胜感激!能编译,运行出现下
java.lang.ClassNotFoundException: com.microsoft.jdbc.sqlserver.SQLServe
at java.net.URLClassLoader$1.run(URLClassLoader.java:200)
at java.security.AccessController.doPrivileged(Native Method)
at java.net.URLClassLoader.findClass(URLClassLoader.java:188)
at java.lang.ClassLoader.loadClass(ClassLoader.java:306)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:276
at java.lang.ClassLoader.loadClass(ClassLoader.java:251)
at java.lang.ClassLoader.loadClassInternal(ClassLoader.java:319
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:169)
at appstu.util.CommonaJdbc.getCon(CommonaJdbc.java:15)
at appstu.util.CommonaJdbc.<init>(CommonaJdbc.java:9)
at appstu.util.CommonaJdbc.main(CommonaJdbc.java:30)
请按任意键继续. . .
我的原程序:说明:打了SP3补丁
package appstu.util;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.*;
public class CommonaJdbc {
public static Connection conection = null;
public CommonaJdbc(){
getCon();
}
private Connection getCon(){
try{
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
conection = DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=DB_Student ","sa","");
// conection = DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=DB_Student ","sa","");
System.out.println("数据库操作成功,祝贺你");
}catch(java.lang.ClassNotFoundException classnotfound){
classnotfound.printStackTrace();
}catch(java.sql.SQLException sql){
//new appstu.view.JF_view_error(sql.getMessage());
sql.printStackTrace();
}
return conection;
}
public static void main(String[] args){
new CommonaJdbc();
}
}