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Struts2 继承ActionSupport的用处
当我们在写action的时候,可以实现Action接口,也可以继承Actionsupport这个类.到底这两个有什么区别呢? Action接口有: public static final java.lang.String SUCCESS = "success"; public static final java.lang.String NONE = "none"; public sta原创 2012-01-05 11:00:47 · 3452 阅读 · 0 评论 -
org.apache.jasper.JasperException: An exception occurred processing JSP page /User/login.jsp at line
9: 10: 11: 12: 13: 14: 15: Stacktrace: org.apache.jasper.servlet.JspServletWrapper.handleJspException(JspServletWrapper.java:510) org.apache.jasper.servl原创 2012-04-28 22:01:25 · 15098 阅读 · 0 评论