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小編給大家分享一下Spring Boot與Kotlin如何處理Web表單提交,相信大部分人都還不怎么了解,因此分享這篇文章給大家參考一下,希望大家閱讀完這篇文章后大有收獲,下面讓我們一起去了解一下吧!
build.gradle 文件沒有變化,這里貼一下完整的build.gradle
group 'name.quanke.kotlin' version '1.0-SNAPSHOT' buildscript { ext.kotlin_version = '1.2.10' ext.spring_boot_version = '1.5.4.RELEASE' repositories { mavenCentral() } dependencies { classpath "org.jetbrains.kotlin:kotlin-gradle-plugin:$kotlin_version" classpath("org.springframework.boot:spring-boot-gradle-plugin:$spring_boot_version") // Kotlin整合SpringBoot的默認(rèn)無(wú)參構(gòu)造函數(shù),默認(rèn)把所有的類設(shè)置open類插件 classpath("org.jetbrains.kotlin:kotlin-noarg:$kotlin_version") classpath("org.jetbrains.kotlin:kotlin-allopen:$kotlin_version") } } apply plugin: 'kotlin' apply plugin: "kotlin-spring" // See https://kotlinlang.org/docs/reference/compiler-plugins.html#kotlin-spring-compiler-plugin apply plugin: 'org.springframework.boot' jar { baseName = 'chapter11-5-4-service' version = '0.1.0' } repositories { mavenCentral() } dependencies { compile "org.jetbrains.kotlin:kotlin-stdlib-jre8:$kotlin_version" compile "org.springframework.boot:spring-boot-starter-web:$spring_boot_version" compile "org.springframework.boot:spring-boot-starter-thymeleaf:$spring_boot_version" // compile "com.fasterxml.jackson.module:jackson-module-kotlin:$kotlin_version" testCompile "org.springframework.boot:spring-boot-starter-test:$spring_boot_version" testCompile "org.jetbrains.kotlin:kotlin-test-junit:$kotlin_version" } compileKotlin { kotlinOptions.jvmTarget = "1.8" } compileTestKotlin { kotlinOptions.jvmTarget = "1.8" }
創(chuàng)建實(shí)體類Hello
/** * Created by http://quanke.name on 2018/1/12. */ data class Hello(var id: Long? = 0, var content: String? = "")
創(chuàng)建Controller
import name.quanke.kotlin.chaper11_5_4.entity.Hello import org.springframework.stereotype.Controller import org.springframework.ui.ModelMap import org.springframework.web.bind.annotation.ModelAttribute import org.springframework.web.bind.annotation.PostMapping import org.springframework.web.bind.annotation.RequestMapping /** * Created by http://quanke.name on 2018/1/10. */ @Controller class HelloController { @RequestMapping("/") fun index(map: ModelMap): String { // / 加入一個(gè)屬性,用來(lái)在模板中讀取 map.addAttribute("host", "http://quanke.name") map.addAttribute("hello",Hello()) // return模板文件的名稱,對(duì)應(yīng)src/main/resources/templates/index.html return "index" } @PostMapping("/hello") fun helloPostSubmit(@ModelAttribute hello: Hello): String { return "result" } }
頁(yè)面展示層
src/main/resources/templates/index.html
<!DOCTYPE html> <html xmlns:th="http://www.w3.org/1999/xhtml"> <head lang="en"> <title>quanke.name</title> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> </head> <body> <h2 th:text="${host}">Hello World</h2> <h2>Form</h2> <form action="#" th:action="@{/hello}" th:object="${hello}" 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 lang="en" xmlns:th="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=UTF-8"/> <title>Title</title> </head> <body> <h2>Result</h2> <p th:text="'id: ' + ${hello.id}"/> <p th:text="'content: ' + ${hello.content}"/> <a href="/" rel="external nofollow" >Submit another message</a> </body> </html>
Spring Boot 啟動(dòng)
import org.springframework.boot.SpringApplication import org.springframework.boot.autoconfigure.SpringBootApplication /** * Created by http://quanke.name on 2018/1/9. */ @SpringBootApplication class Application fun main(args: Array<String>) { SpringApplication.run(Application::class.java, *args) }
啟動(dòng)工程,訪問ttp://localhost:8080/:
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