刚学SpringBoot
学到SpringBoot返回jsp页面
研究了一下午了也没找到办法
就想看看大家有没有解决办法
这个是报错
2022-02-12 17:53:53.650 ERROR 17960 --- [nio-8080-exec-1] o.a.c.c.C.[.[.[/].[dispatcherServlet] : Servlet.service() for servlet [dispatcherServlet] in context with path [] threw exception [Circular view path [index]: would dispatch back to the current handler URL [/index] again. Check your ViewResolver setup! (Hint: This may be the result of an unspecified view, due to default view name generation.)] with root cause
javax.servlet.ServletException: Circular view path [index]: would dispatch back to the current handler URL [/index] again. Check your ViewResolver setup! (Hint: This may be the result of an unspecified view, due to default view name generation.)
at.
控制器代码
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.ModelAndView;
@Controller
public class IndexController {
@RequestMapping(value = "/say")
public ModelAndView say(){
ModelAndView mv = new ModelAndView();
mv.addObject("message","Hello");
mv.setViewName("say");
return mv;
}
@RequestMapping(value = "/index")
public String index(Model model){
model.addAttribute("data","SpringBoot框架集成JSP页面");
return "index";
}
}
jsp代码
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
</head>
<body>
<h1>${data}</h1>
</body>
</html>
POM代码
<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
<modelVersion>4.0.0</modelVersion>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.6.3</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<groupId>com.springboot.jsp</groupId>
<artifactId>springboot-jsp</artifactId>
<version>0.0.1-SNAPSHOT</version>
<properties>
<java.version>1.8</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!--引入SpringBoot内嵌Tomcat对jsp的解析依赖，不添加解析不了js-->
<dependency>
<groupId>org.apache.tomcat.embed</groupId>
<artifactId>tomcat-embed-jasper</artifactId>
</dependency>
</dependencies>
<build>
<resources>
<resource>
<directory>src/main/webapp/</directory>
<targetPath>META-INF/resources</targetPath>
<includes>
<include>*.*</include>
</includes>
</resource>
</resources>
<plugins>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
</project>
配置视图解析器
spring.mvc.view.prefix=/
spring.mvc.view.suffix=.jsp
百度了一下午解决办法都不行
只能来这里寻求大家帮助了！
