SpringBoot使用ModelAndView时配置视图解析器 spring boot 使用视图modelandview

spring boot 使用视图modelandview

原文：https://www.cnblogs.com/liyafei/p/7955943.html

 1：springboot使用视图解析器，添加依赖

        <!-- freemarker模板引擎视图 -->
        <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-freemarker</artifactId> </dependency> <!-- 热部署，不用重启 ，这个在这里不需要--> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-devtools</artifactId> <optional>true</optional> </dependency> <!-- jsp解析器 --> <dependency> <groupId>org.apache.tomcat.embed</groupId> <artifactId>tomcat-embed-jasper</artifactId> <scope>provided</scope> </dependency>

2：主函数需要继承SpringBootServletInitializer，并覆盖其方法。

package com.liyafei;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.EnableAutoConfiguration; import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.builder.SpringApplicationBuilder; import org.springframework.boot.web.support.SpringBootServletInitializer; @EnableAutoConfiguration @SpringBootApplication //返回jsp页面必须继承SpringBootServletInitializer类重写里面的方法 public class Main extends SpringBootServletInitializer{ public static void main(String[] args) { SpringApplication.run(Main.class, args); } protected SpringApplicationBuilder config(SpringApplicationBuilder applicationBuilder){ return applicationBuilder.sources(Main.class); } }

3：配置文件中添加spring.mvc.view配置，配置了视图解析器之后，controlller返回的String，View等就会先找视图解析器

spring:
  datasource:
    driver-class-name: com.mysql.jdbc.Driver
    url: jdbc:mysql://localhost:3306/demo
    username: root
    password: 1367356
  mvc:
    view:
      prefix: /WEB-INF/
      suffix: .jsp

mybatis:
  config-location: classpath:mybatis-config.xml

4：controller映射

　　

package com.liyafei.controller;

import org.springframework.stereotype.Controller;
import org.springframework.ui.Model; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RestController; import org.springframework.web.servlet.ModelAndView; import org.springframework.web.servlet.view.json.MappingJackson2JsonView; import com.liyafei.pojo.User; //这个注解不能使用RestController，不然会返回模板类型的页面 @Controller public class MyController { User user=new User(); @RequestMapping("/my") public ModelAndView test(){ ModelAndView mv=new ModelAndView(); mv.setViewName("modelandview"); mv.addObject("name", "liyafei"); user.setAge(20); user.setName("wangwu"); mv.addObject("user", user); //设置返回的数据为json类型，也可以不设置，返回对象 //mv.setView(new MappingJackson2JsonView()); return mv; } @RequestMapping("index") public String index(){ return "index"; } 

}

5：测试成功：

  

6：目录结构