Spring MVC简介 Spring MVC框架是有一个MVC框架,通过实现Model-View-Controller模式来很好地将数据.业务与展现进行分离.从这样一个角度来说,Spring MVC和Struts.Struts2非常类似.Spring MVC的设计是围绕DispatcherServlet展开的,DispatcherServlet负责将请求派发到特定的handler.通过可配置的handler mappings.view resolution.locale以及theme reso…
在jsp或者在servlet中有时要用到 response.getOutputStream(),但是此时会在后台报这个错误java.lang.IllegalStateException: getOutputStream() has already been called for this respons,这问题困扰了我好久都没解决,最近这个项目中我又遇到了,下定决心一定要解决掉,最后终于让我给找到解决的方法了,这个异常时因为 response.getOutputStream()跟response…
In Spring MVC, <form:checkbox /> is used to render a HTML checkbox field, the checkbox values are hard-coded inside the JSP page; While the <form:checkboxes /> is used to render multiple checkboxes, the checkbox values are generated at runtime…