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  • Spring boot之添加JSP支持

    大纲

    (1) 创建Maven web project;

    (2) 在pom.xml文件添加依赖

    (3) 配置application.properties支持jsp

    (4) 编写测试Controller

    (5) 编写JSP页面

    (6) 编写启动类App.java

    创建Maven web project

    使用Eclipse新建一个Maven Web Project ,项目取名为: spring-boot-jsp

    在pom.xml文件添加依赖

    <!-- spring boot parent节点,引入这个之后,在下面和spring boot相关的就不需要引入版本了; -->
    <parent>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-parent</artifactId>
    <version>1.4.1.RELEASE</version>
    </parent>

    <!-- 指定一下jdk的版本 ,这里我们使用jdk 1.8 ,默认是1.6 -->
    <java.version>1.8</java.version>

    <!-- web支持: 1、web mvc; 2、restful; 3、jackjson支持; 4、aop ........ -->
    <dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-web</artifactId>
    </dependency>

    <!-- servlet 依赖. -->
    <dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>javax.servlet-api</artifactId>
    <scope>provided</scope>
    </dependency>

    JSTL(JSP Standard Tag Library,JSP标准标签库)是一个不断完善的开放源代码的JSP标签库,是由apache的jakarta小组来维护的。
    <dependency>
    <groupId>javax.servlet</groupId>
    <artifactId>jstl</artifactId>
    </dependency>

    <!-- tomcat 的支持.-->
    <dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-tomcat</artifactId>
    <scope>provided</scope>
    </dependency>
    <dependency>
    <groupId>org.apache.tomcat.embed</groupId>
    <artifactId>tomcat-embed-jasper</artifactId>
    <scope>provided</scope>
    </dependency>

     application.properties配置

    添加src/main/resources/application.properties:

    # 页面默认前缀目录
    spring.mvc.view.prefix=/WEB-INF/jsp/
    # 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 Angel From application

    编写测试Controller

    @Controller
    public class HelloController {
    private String hello;

    @RequestMapping("/helloJsp")
    public String helloJsp(Map<String,Object> map){
    System.out.println("HelloController.helloJsp().hello=hello");
    map.put("hello", hello);
    return "helloJsp";
    }
    }

    编写JSP页面

    在 src/main 下面创建 webapp/WEB-INF/jsp 目录用来存放我们的jsp页面:helloJsp.jsp:

    <%@ 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=UTF-8">
    <title>Insert title here</title>
    </head>
    <body>
    helloJsp
    <hr>
    ${hello}

    </body>
    </html>

    编写启动类

    @SpringBootApplication
    public class App {

    public static void main(String[] args) {
    SpringApplication.run(App.class, args);
    }
    }

    代码如下:

     pom.xml

    <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 http://maven.apache.org/xsd/maven-4.0.0.xsd">
      <modelVersion>4.0.0</modelVersion>
      <groupId>com.kfit</groupId>
      <artifactId>spring-boot-jsp</artifactId>
      <packaging>war</packaging>
      <version>0.0.1-SNAPSHOT</version>
      <name>spring-boot-jsp Maven Webapp</name>
      <url>http://maven.apache.org</url>
      
      <!-- spring boot parent节点,引入这个之后,在下面和spring boot相关的就不需要引入版本了; -->
        <parent>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-parent</artifactId>
            <version>1.4.1.RELEASE</version>
        </parent>
      
      
      
      <properties>
           <!-- 指定一下jdk的版本 ,这里我们使用jdk 1.8 ,默认是1.6 -->
        <java.version>1.8</java.version>
      </properties>
      
      
      <dependencies>
            <!-- web支持: 1、web mvc; 2、restful; 3、jackjson支持; 4、aop ........ -->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-web</artifactId>
            </dependency>
            
            <!-- servlet 依赖. -->
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>javax.servlet-api</artifactId>
                <scope>provided</scope>
            </dependency>
            
            <!-- 
                    JSTL(JSP Standard Tag Library,JSP标准标签库)是一个不断完善的开放源代码的JSP标签库,是由apache的jakarta小组来维护的。
             -->
            <dependency>
                <groupId>javax.servlet</groupId>
                <artifactId>jstl</artifactId>
            </dependency>
            
            
            <!-- tomcat 的支持.-->
            <dependency>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-starter-tomcat</artifactId>
                <scope>provided</scope>
            </dependency>
            <dependency>
                <groupId>org.apache.tomcat.embed</groupId>
                <artifactId>tomcat-embed-jasper</artifactId>
                <scope>provided</scope>
            </dependency>
            
            
      </dependencies>
      <build>
        <finalName>spring-boot-jsp</finalName>
      </build>
    </project>
    Controller类
    package com.kfit;
    
    import java.util.Map;
    
    import org.springframework.stereotype.Controller;
    import org.springframework.web.bind.annotation.RequestMapping;
    
    @Controller
    public class HelloController {
        
        @RequestMapping("/index")
        public String index(Map<String,Object> map){
            map.put("name", "Andy");
            return "index";
        }
    }

    配置类

    spring.mvc.view.prefix=/WEB-INF/jsp/
     
    spring.mvc.view.suffix=.jsp

    启动类

    package com.kfit;
    
    import org.springframework.boot.SpringApplication;
    import org.springframework.boot.autoconfigure.SpringBootApplication;
    
    @SpringBootApplication
    public class App {
    
        public static void main(String[] args) {
            SpringApplication.run(App.class, args);
        }
    }
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  • 原文地址:https://www.cnblogs.com/caoyingjielxq/p/9316971.html
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