SpringBoot创建MVC网站

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使用springboot构建MVC项目，并进行表单提交

1.准备

1.1开发工具:Intellij Idea

1.2新建项目，勾选web ,thymleaf依赖，项目结构如下：

这里写图片描述

2.开发

2.1pom.xml内容:

<?xml version="1.0" encoding="UTF-8"?><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.example</groupId>    <artifactId>demo</artifactId>    <version>0.0.1-SNAPSHOT</version>    <packaging>jar</packaging>    <name>demo</name>    <description>Demo project for Spring Boot</description>    <parent>        <groupId>org.springframework.boot</groupId>        <artifactId>spring-boot-starter-parent</artifactId>        <version>1.5.6.RELEASE</version>        <relativePath/> <!-- lookup parent from repository -->    </parent>    <properties>        <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>        <project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>        <java.version>1.8</java.version>    </properties>    <dependencies>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-thymeleaf</artifactId>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-web</artifactId>        </dependency>        <dependency>            <groupId>org.springframework.boot</groupId>            <artifactId>spring-boot-starter-test</artifactId>            <scope>test</scope>        </dependency>    </dependencies>    <build>        <plugins>            <plugin>                <groupId>org.springframework.boot</groupId>                <artifactId>spring-boot-maven-plugin</artifactId>            </plugin>        </plugins>    </build></project>

2.2MainController类内容:

package com.example.demo;import org.springframework.stereotype.Controller;import org.springframework.ui.Model;import org.springframework.web.bind.annotation.RequestMapping;@Controllerpublic class MainController {    @RequestMapping("/")    public String index(User user, Model model){        model.addAttribute("user",user);        return "index";    }}

2.3User类内容:

package com.example.demo;public class User {    private String name;    private String sex;    public void setName(String name) {        this.name = name;    }    public void setSex(String sex) {        this.sex = sex;    }    public String getName() {        return name;    }    public String getSex() {        return sex;    }}

2.4DemoApplication类内容：

package com.example.demo;import org.springframework.boot.SpringApplication;import org.springframework.boot.autoconfigure.SpringBootApplication;@SpringBootApplicationpublic class DemoApplication {    public static void main(String[] args) {        SpringApplication.run(DemoApplication.class, args);    }}

2.5 index.html内容：

<!DOCTYPE html><html lang="en"><head>    <meta charset="UTF-8"/>    <title>Title</title></head><body><form action="/" method="post" th:object="${user}">    <input th:field="*{name}" placeholder="请输入您的名字"/>    <input th:field="*{sex}" placeholder="请输入您的性别"/>    <button type="submit">提交</button>    <p th:text="'您的名字:'+${user.name}"></p>    <p th:text="'您的性别:'+${user.sex}"></p></form></body></html>

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