struts2 表单验证 注册

package com.reg; import java.sql.*; public class DbConnect { String CLASSFORNAME="com.microsoft.jdbc.sqlserver.SQLServerDriver"; String SERVANDDB="jdbc:microsoft:sqlserver://127.0.0.1:1433;DatabaseName=reg"; String USER="sa"; String PWD="sa"; private Connection connect = null; private Statement stmt = null; public DbConnect() { try { //装载数据库驱动程序 Class.forName(CLASSFORNAME); connect=DriverManager.getConnection(SERVANDDB,USER,PWD); }catch (SQLException ex) { ex.printStackTrace(); } catch (ClassNotFoundException e) { e.printStackTrace(); } } //insert,update,delete public void executeUpdate(String sql) { try { stmt=connect.createStatement(); stmt.executeUpdate(sql); stmt.close(); } catch (SQLException ex) { ex.printStackTrace(); } } public void closeConn() { try { if(connect != null) { connect.close(); } } catch(Exception e) { e.printStackTrace(); } } public void closeStmt() { try { if(stmt != null){ stmt.close(); } }catch(Exception e){ e.printStackTrace(); } } }