循环视图路径 [index.jsp]：将再次分派回当前处理程序 URL [/index.jsp]

Question

这是我的项目

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这是我的 spring-mvc.xml

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<?xml version="1.0" encoding="UTF-8"?>\n<beans xmlns="http://www.springframework.org/schema/beans"\n   xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"\n   xmlns:context="http://www.springframework.org/schema/context"\n   xmlns:mvc="http://www.springframework.org/schema/mvc"\n   xsi:schemaLocation="\n        http://www.springframework.org/schema/beans     http://www.springframework.org/schema/beans/spring-beans-4.1.xsd\n        http://www.springframework.org/schema/context   http://www.springframework.org/schema/context/spring-context-4.1.xsd\n        http://www.springframework.org/schema/mvc http://www.springframework.org/schema/mvc/spring-mvc-4.1.xsd">\n    <context:component-scan base-package="com.SpringDemo.Controller"/>\n <!-- Thymeleaf Template Resolver -->\n    <bean id="templateResolver" class="org.thymeleaf.spring4.templateresolver.SpringResourceTemplateResolver">\n      <property name="prefix" value="" />\n      <property name="suffix" value=".html" />\n      <property name="templateMode" value="HTML" />\n      <property name="order" value="1" />\n    </bean>\n\n    <bean id="templateEngine" class="org.thymeleaf.spring4.SpringTemplateEngine">\n      <property name="templateResolver" ref="templateResolver" />\n      <property name="enableSpringELCompiler" value="true" />\n    </bean>\n\n  <bean class="org.thymeleaf.spring4.view.ThymeleafViewResolver">\n      <property name="viewNames" value="thymeleaf/*"/>\n      <property name="templateEngine" ref="templateEngine" />\n  </bean>\n\n  <!-- \xe5\xaf\xb9\xe6\xa8\xa1\xe5\x9e\x8b\xe8\xa7\x86\xe5\x9b\xbe\xe5\x90\x8d\xe7\xa7\xb0\xe7\x9a\x84\xe8\xa7\xa3\xe6\x9e\x90\xef\xbc\x8c\xe5\x8d\xb3\xe5\x9c\xa8\xe6\xa8\xa1\xe5\x9e\x8b\xe8\xa7\x86\xe5\x9b\xbe\xe5\x90\x8d\xe7\xa7\xb0\xe6\xb7\xbb\xe5\x8a\xa0\xe5\x89\x8d\xe5\x90\x8e\xe7\xbc\x80 -->\n  <bean class="org.springframework.web.servlet.view.InternalResourceViewResolver">\n      <property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />\n\n      <property name="prefix" value="" />\n      <!--<property name="suffix" value=".jsp" />-->\n      <property name="order" value="2" />\n      <property name="viewNames" value="*.jsp" />\n    </bean>\n<!-- \xe6\x94\xaf\xe6\x8c\x81\xe4\xb8\x8a\xe4\xbc\xa0\xe6\x96\x87\xe4\xbb\xb6 -->\n  <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"/>\n</beans>\n

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这是我的控制器

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@Controller\npublic class HomeController{\n  //It\'s OK\n   @RequestMapping("/home")\n   public String showHomePage(Model model){\n        model.addAttribute("name","spring-mvc");\n        return "thymeleaf/testTh";\n   }\n  //It\'s WRONG\n   @RequestMapping("/index")\n   public ModelAndView test(ModelAndView mv){\n      mv.addObject("name","erer");\n      mv.setViewName("index.jsp");\n      return  mv;\n   }\n}\n

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这是我的例外

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在此输入图像描述

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在我的 Web.xml 中

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 <servlet>\n    <servlet-name>springmvc</servlet-name>\n    <servlet-class>org.springframework.web.servlet.DispatcherServlet\n    </servlet-class>\n    <!-- \xe5\x8a\xa0\xe8\xbd\xbdspringMVC\xe7\x9a\x84\xe9\x85\x8d\xe7\xbd\xae\xe6\x96\x87\xe4\xbb\xb6 -->\n    <init-param>\n        <param-name>contextConfigLocation</param-name>\n        <param-value>classpath:spring-mvc.xml</param-value>\n    </init-param>\n    <load-on-startup>1</load-on-startup>\n</servlet>\n\n<servlet-mapping>\n    <servlet-name>springmvc</servlet-name>\n    <url-pattern>/*</url-pattern>\n</servlet-mapping>\n

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我希望所有请求都首先通过控制器传递。\n然后返回页面

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Answer 1

请导入 spring-boot-starter-thymeleaf

<dependency>            
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-thymeleaf</artifactId>
 </dependency>