一个简单登录项目11111111111

package bookstore; import java.sql.*; import java.util.Properties; public class DBConnection { public static Connection getConnection()throws SQLException { try { Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver"); } catch(ClassNotFoundException ex) { ex.printStackTrace(); return null; } Properties sysProps=new Properties(); sysProps.put("user","sa"); sysProps.put("password",""); return DriverManager.getConnection("jdbc:microsoft:sqlserver://localhost:1433;DatabaseName=bookstore",sysProps); } //测试用 public static void main(String[] args) { try { Connection conn=getConnection(); if(conn!=null) { System.out.println("here!"); } else { System.out.println("here!!!!"); } } catch(SQLException ex) { ex.printStackTrace(); } } }