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;
@Controllerpublic 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

@Beanpublic 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;
@Controllerpublic 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

推荐学习：html视频教程

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