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springboot如何返回html和jsp

醉折花枝作酒筹

Apr 30, 2021 am 09:21 AM

htmljspspringboot

本篇文章给大家介绍一下springboot返回html和jsp的方法。有一定的参考价值，有需要的朋友可以参考一下，希望对大家有所帮助。

springboot如何返回html和jsp

一、返回html

（1）添加maven依赖

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

（2）thymeleaf模板默认寻找resources下，templates文件夹放html页面，static文件夹放css及js

（3）引入js，需要使用如下格式

<html lang="en" xmlns:th="http://www.thymeleaf.org">
<script type="text/javascript" th:src="@{/js/jquery/jquery.min.js}"></script>
<script type="text/javascript" th:src="@{/js/jquery/jquery.easyui.min.1-7-5.js}"></script>
<script type="text/javascript" th:src="@{/js/jquery/easyui-lang-zh_CN.js}"></script>
<script type="text/javascript" th:src="@{/js/index.js}"></script>
<body>
<h2>Hello World!</h2>
</body>
</html>

（4）controller代码如下

package springboot.controller;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;

@Controller
public class HtmlController {
    @RequestMapping("/show")
    public String show() {
        return "aaa";
    }
}

二、返回jsp

（1）添加jsp的maven依赖

<dependency>
    <groupId>org.apache.tomcat.embed</groupId>
    <artifactId>tomcat-embed-jasper</artifactId>
    <scope>provided</scope>
</dependency>
<dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>jstl</artifactId>
</dependency>

注：返回jsp需要把spring-boot-starter-thymeleaf注释掉

（2）在controller里添加寻找jsp页面的视图解析器

@Bean
public InternalResourceViewResolver viewResolver() {
    InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
    viewResolver.setPrefix("/WEB-INF/");
    viewResolver.setSuffix(".jsp");
    return viewResolver;
}

（3）结构图如下

（4）controller代码如下

package springboot.controller;

import org.springframework.context.annotation.Bean;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.servlet.view.InternalResourceViewResolver;

@Controller
public class JspController {
    @RequestMapping("/test")
    public String index() {
        return "home";
    }
    @Bean
    public InternalResourceViewResolver viewResolver() {
        InternalResourceViewResolver viewResolver = new InternalResourceViewResolver();
        viewResolver.setPrefix("/WEB-INF/");
        viewResolver.setSuffix(".jsp");
        return viewResolver;
    }
}

注：返回html和jsp时使用@Controller注解

三、加载css、js文件

放到static下