struts中action类继承了ActionSupport 默认实现了execute()方法 struts.xml配置文件中 然后可以配置如下映射: <package name ="ActionDemo" extends ="struts-default"> <action name ="HelloWorld" class ="tutorial.HelloWorld"> <result>…
在js中实现邮箱格式的验证 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>在此处插入标题</title><script…