spring-boot整合jsp

spring-boot 支持多种模版引擎：

FreeMarker
Groovy
Thymeleaf （Spring 官网使用这个）
Velocity
JSP （Spring Boot官方不推荐）

接下来我们教大家如何在spring-boot中使用jsp。

1、pom.xml加入支持jsp的依赖：

<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>

将 <packaging>jar</packaging> 改成 <packaging>war</packaging>

改完之后别忘了 maven update。

2、application.properties配置文件加入JSP支持：

# 页面默认前缀目录
spring.mvc.view.prefix=/WEB-INF/page/
# 响应页面默认后缀
spring.mvc.view.suffix=.jsp
# 自定义属性，可以在Controller中读取
application.hello=Hello World!

3、创建webapp文件夹以及页面：

4、编写jsp页面：

<%@ page language="java" contentType="text/html; charset=utf-8"
    pageEncoding="utf-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>sprint-boot jsp</title>
</head>
<body>
    当前系统时间：<br />
    <font size=3 color=red>Time：${time }</font>

    <br />
    Message：${message }
</body>
</html>

5、编写controller代码：

package nc.edu.nuc.Test.controller;

import java.util.Date;

import javax.servlet.http.HttpServletRequest;

import nc.edu.nuc.Test.entity.Test;
import nc.edu.nuc.Test.service.TestService;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.ResponseBody;

@Controller
public class TestController {
	private static final Logger logger = LoggerFactory.getLogger(TestController.class); 
	
	@Autowired
	private TestService testService;
	
	@RequestMapping("/test")
    @ResponseBody
    public String test(HttpServletRequest request) {
		String name = request.getParameter("name");
		Test findByName = testService.findByName(name);
		logger.info("test....{}",name);
        return findByName.toString();
    }
	
	@RequestMapping("/testJsp")
    public String testJsp(HttpServletRequest request,Model model) {
		String name = request.getParameter("name");
		Test findByName = testService.findByName(name);
		logger.info("testJsp....{}",findByName.toString());
		
		model.addAttribute("time", new Date());
		model.addAttribute("message", findByName.getName());
		
        return "index";
    }

}

这里用法和springmvc的一样，支持modelView和model...

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