创建工程
涉及了 web,加上spring-boot-starter-web和spring-boot-starter-thymeleaf的起步依赖。
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<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:
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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
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@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
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<!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 <!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: