SpringMVC學習10:重定向和轉發
阿新 • • 發佈:2022-04-15
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結果跳轉方式:
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重定向:會改變URL
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轉發:不會改變URL
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ModelAndView:
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設定ModelAndView物件,根據View的名稱,和檢視解析器跳到指定的頁面;
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頁面:{檢視解析器字首}+viewName+{檢視解析器字尾}
<!--檢視解析器-->
<bean class="org.springframework.web.servlet.view.InternalResourceViewResolver" id="internalResourceViewResolver">
<property name="prefix" value="/WEB-INF/jsp/"/>
<property name="suffix" value=".jsp"/>
</bean> -
對應的Controller:
public class ControllerTest1 implements Controller {
public ModelAndView handleRequest(HttpServletRequest request, HttpServletResponse response) throws Exception {
ModelAndView mv = new ModelAndView();
mv.addObject("msg","demo");
mv.setViewName("hello");
return mv;
}
}
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ServletAPI:
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通過設定ServletAPI,不需要檢視解析器;
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1,通過HttpServletResponse進行輸出;
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2,通過HttpServletResponse實現重定向;
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3,通過HttpServletRequest實現轉發;
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測試程式碼:
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