Spring Boot教程第20篇:表单提交

Posted by Forezp on July 11, 2017

这篇文件主要介绍通过springboot 去创建和提交一个表单。

创建工程

涉及了 web,加上spring-boot-starter-web和spring-boot-starter-thymeleaf的起步依赖。

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
<dependencies>
		<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>


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

	</dependencies>

创建实体

代码清单如下:

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
public class Greeting {

    private long id;
    private String content;

    public long getId() {
        return id;
    }

    public void setId(long id) {
        this.id = id;
    }

    public String getContent() {
        return content;
    }

    public void setContent(String content) {
        this.content = content;
    }

}

创建Controller

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
@Controller
public class GreetingController {

    @GetMapping("/greeting")
    public String greetingForm(Model model) {
        model.addAttribute("greeting", new Greeting());
        return "greeting";
    }

    @PostMapping("/greeting")
    public String greetingSubmit(@ModelAttribute Greeting greeting) {
        return "result";
    }

}

页面展示层

src/main/resources/templates/greeting.html

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title>Getting Started: Handling Form Submission</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>
<body>
	<h1>Form</h1>
    <form action="#" th:action="@{/greeting}" th:object="${greeting}" method="post">
    	<p>Id: <input type="text" th:field="*{id}" /></p>
        <p>Message: <input type="text" th:field="*{content}" /></p>
        <p><input type="submit" value="Submit" /> <input type="reset" value="Reset" /></p>
    </form>
</body>
</html>

src/main/resources/templates/result.html

1
2
3
4
5
6
7
8
9
10
11
12
13
<!DOCTYPE HTML>
<html xmlns:th="http://www.thymeleaf.org">
<head>
    <title>Getting Started: Handling Form Submission</title>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
</head>
<body>
	<h1>Result</h1>
    <p th:text="'id: ' + ${greeting.id}" />
    <p th:text="'content: ' + ${greeting.content}" />
    <a href="/greeting">Submit another message</a>
</body>
</html>

启动工程,访问ttp://localhost:8080/greeting:

点击submit:

参考资料

https://spring.io/guides/gs/handling-form-submission/

源码下载

https://github.com/forezp/SpringBootLearning

优秀文章推荐:

  • 更多springboot 教程:springBoot非官方教程 文章汇总
  • 更多springcoud 教程:[史上最简单的 SpringCloud 教程 文章汇总](http://blog.csdn.net/forezp/article/details/70148833)

欢迎关注我的公众号

扫码关注公众号有惊喜

(转载本站文章请注明作者和出处 方志朋的博客

本文为[原创]文章,转载请标明出处。
本文链接:https://www.fangzhipeng.com/springboot/2017/07/11/springboot-form/
本文出自方志朋的博客
阿里云1023 腾讯云1023