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请求转发request.getRequestDispatcher("").forward()与PageContext.forward("");有什么区别呢？

拿馒头盖房子

2015-10-28

源自：JAVA遇见HTML——JSP篇 4-11

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ed 回答被采纳 +3 积分
2015-12-17

RequestDispacher,forward method taking request & response as parameter & while getting request dispatcher we are giving path for forward resource,

RequestDispacher rd = request.getRequestDispacher("/resource.jsp");rd.forward(request,response);

and while forwarding through PageContext we are giving resource path to parameter of forward method,
PageContext.forward("/resource.jsp");

we can use RequestDispacher in Servlet as well as Jsp
but PageContext we can use in only jsp.

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拿馒头盖房子提问者

非常感谢！

2016-01-05 回复有任何疑惑可以回复我~

ed
2015-12-17

RequestDispatcher.forward() and PageContext.forward() are effectively the same. PageContext.forward is a helper method that calls the RequestDispatcher method.(forward)

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