知识大全 Struts与Velocity的简单集成

Posted 2022-07-18 知

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　　先当然是简单的配置web xml与struts config xml文件加入必要的servlet等东西: Xml代码 <?xml version= encoding= UTF ?> <web app xmlns= xmlns:xsi= instance version= xsi:schemaLocation= ; app_ _ xsd >

　　<servlet> <servlet name>velocity</servlet name> <servlet class> apache velocity tools view servlet VelocityViewServlet</servlet class> </servlet> <servlet> <servlet name>action</servlet name> <servlet class> apache struts action ActionServlet</servlet class> <init param> <param name>config</param name> <param value>/WEB INF/struts config xml</param value> </init param> <init param> <param name>debug</param name> <param value> </param value> </init param> <init param> <param name>detail</param name> <param value> </param value> </init param> <load on startup> </load on startup> </servlet>

　　<servlet mapping> <servlet name>velocity</servlet name> <url pattern>* vm</url pattern> </servlet mapping> <servlet mapping> <servlet name>action</servlet name> <url pattern>* do</url pattern> </servlet mapping>

　　<wele file list> <wele file>vms/login vm</wele file> </wele file list> </web app>

　　Struts config xml:

　　<?xml version= encoding= UTF ?> <!DOCTYPE struts config PUBLIC //Apache Sofare Foundation//DTD Struts Configuration //EN config_ _ dtd >

　　</form beans>

　　</global forwards>

　　</action mappings>

　　<message resources parameter= jie struts ApplicationResources /> </struts config> view plaincopy to clipboardprint? <?xml version= encoding= UTF ?> <web app xmlns= xmlns:xsi= instance version= xsi:schemaLocation= ; app_ _ xsd >

　　<wele file list> <wele file>vms/login vm</wele file> </wele file list> </web app>

　　Struts config xml:

　　<?xml version= encoding= UTF ?> <!DOCTYPE struts config PUBLIC //Apache Sofare Foundation//DTD Struts Configuration //EN config_ _ dtd >

　　</form beans>

　　</global forwards>

　　</action mappings>

　　<?xml version= encoding= UTF ?> <web app xmlns= xmlns:xsi= instance version= xsi:schemaLocation= ; app_ _ xsd >

　　<wele file list> <wele file>vms/login vm</wele file> </wele file list> </web app>

　　Struts config xml:

　　<?xml version= encoding= UTF ?> <!DOCTYPE struts config PUBLIC //Apache Sofare Foundation//DTD Struts Configuration //EN config_ _ dtd >

　　</form beans>

　　</global forwards>

　　</action mappings>

　　<message resources parameter= jie struts ApplicationResources /> </struts config>然后是一个用于测试的登录页面:login vm Html代码 < xmlns= > <head> <meta equiv= Content Type content= text/; charset=gb /> <title>登录页面</title> <style type= text/css > <! STYLE color: # FF > <! STYLE color: red > </style> </head>

　　<body> <form id= form name= form method= post action= login do > <label>用户名 <input type= text name= userName /> </label> <p> <label>密码 <input type= password name= password /> </label> </p> <p> <label> <input type= submit name= Submit value= 提交 /> </label> </p> </form> #if($isSuccess)<p class= STYLE >验证通过 </p>#else #end #if($isNull)<p class= STYLE >字段不能为空 </p>#else #end </body> </> view plaincopy to clipboardprint? < xmlns= > <head> <meta equiv= Content Type content= text/; charset=gb /> <title>登录页面</title> <style type= text/css > <! STYLE color: # FF > <! STYLE color: red > </style> </head>

　　< xmlns= > <head> <meta equiv= Content Type content= text/; charset=gb /> <title>登录页面</title> <style type= text/css > <! STYLE color: # FF > <! STYLE color: red > </style> </head>

　　<body> <form id= form name= form method= post action= login do > <label>用户名 <input type= text name= userName /> </label> <p> <label>密码 <input type= password name= password /> </label> </p> <p> <label> <input type= submit name= Submit value= 提交 /> </label> </p> </form> #if($isSuccess)<p class= STYLE >验证通过 </p>#else #end #if($isNull)<p class= STYLE >字段不能为空 </p>#else #end </body> </>还有一个后台处理的LoginAction java: Java代码 public ActionForward execute(ActionMapping mapping ActionForm form HttpServletRequest request HttpServletResponse response) LoginForm loginForm = (LoginForm) form;// TODO Auto generated method stub String userName = loginForm getUserName(); String password = loginForm getPassword();

　　if(userName equals( jie ) && password equals( )) isSuccess = true; request setAttribute( isSuccess isSuccess);//集成的关键点在这里把对象加入到vm模板 return mapping findForward( first ); 里面然后可以在模板里面用 $isSuccess 来使用

　　else if(userName== || password== ) boolean isNull = true; request setAttribute( isNull isNull); return mapping findForward( first ); return mapping findForward( fail );

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