Spring Boot study
pom.xml
<?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 https://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <parent> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-parent</artifactId> <version>2.7.3</version> <relativePath/> <!-- lookup parent from repository --> </parent> <groupId>com.example</groupId> <artifactId>demo</artifactId> <version>0.0.1-SNAPSHOT</version> <name>demo</name> <description>Demo project for Spring Boot</description> <properties> <java.version>1.8</java.version> </properties> <dependencies> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <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>com.h2database</groupId> <artifactId>h2</artifactId> <scope>runtime</scope> </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>
src/main/resources/banner.txt
//////////////////////////////////////////////////////////////////// // _ooOoo_ // // o8888888o // // 88" . "88 // // (| ^_^ |) // // O\ = /O // // ____/`---'\____ // // .' \\| |// `. // // / \\||| : |||// \ // // / _||||| -:- |||||- \ // // | | \\\ - /// | | // // | \_| ''\---/'' | | // // \ .-\__ `-` ___/-. / // // ___`. .' /--.--\ `. . ___ // // ."" '< `.___\_<|>_/___.' >'"". // // | | : `- \`.;`\ _ /`;.`/ - ` : | | // // \ \ `-. \_ __\ /__ _/ .-` / / // // ========`-.____`-.___\_____/___.-`____.-'======== // // `=---=' // // ^^^^^^^^^^^^^^^^^^^^^^^xiejiaohui^^^^^^^^^^^^^^^^^ // // 佛祖保佑 永不宕机 永无BUG // ////////////////////////////////////////////////////////////////////
src/main/resources/application.properties
server.port=8001
src/main/resources/static/style.css
body { background-color: #cccccc; font-family: arial, helvetica, sans-serif; } .bookHeadline { font-size: 12pt; font-weight: bold; } .bookDescription { font-size: 10pt; } label { font-weight: bold; }
src/main/resources/templates/readingList.html
<html> <head> <title>Reading List</title> <link rel="stylesheet" th:href="@{/style.css}"></link> </head> <body> <he>Your Reading List</he> <div th:unless="${#lists.isEmpty(books)}"> <dl th:each="book : ${books}"> <dt class="bookHeadline"> <span th:text="${book.title}">Title 标题</span> by <span th:text="${book.author}">Author 作者</span> (ISBN: <span th:text="${book.isbn}">ISBN</span>) </dt> <dd class="bookDescription"> <span th:if="${book.description}" th:text="${book.description}">Description 描述</span> <span th:if="${book.description eq null}"> No description available </span> </dd> </dl> </div> <hr/> <h3>Add a book</h3> <form method="POST"> <label for="title">标题 Title:</label> <input type="text" name="title" size="50"></input><br/> <label for="author">作者 Author:</label> <input type="text" name="author" size="50"></input><br/> <label for="isbn">ISBN:</label> <input type="text" name="isbn" size="15"></input><br/> <label for="description">Description</label> <textarea name="description" cols="80" rows="5"></textarea><br/> <input type="submit"></input> </form> </body> </html>
com.example.demo.Book.java
package com.example.demo; import javax.persistence.Entity; import javax.persistence.GeneratedValue; import javax.persistence.GenerationType; import javax.persistence.Id; @Entity public class Book { @Id @GeneratedValue(strategy = GenerationType.AUTO) private Long id; private String reader; private String isbn; private String title; private String author; private String description; public Long getId() { return id; } public void setId(Long id) { this.id = id; } public String getReader() { return reader; } public void setReader(String reader) { this.reader = reader; } public String getIsbn() { return isbn; } public void setIsbn(String isbn) { this.isbn = isbn; } public String getTitle() { return title; } public void setTitle(String title) { this.title = title; } public String getAuthor() { return author; } public void setAuthor(String author) { this.author = author; } public String getDescription() { return description; } public void setDescription(String description) { this.description = description; } }
com.example.demo.DemoApplication.java
package com.example.demo; import org.springframework.boot.SpringApplication; import org.springframework.boot.autoconfigure.SpringBootApplication; @SpringBootApplication public class DemoApplication { public static void main(String[] args) { SpringApplication.run(DemoApplication.class, args); } }
com.example.demo.ReadingListController.java
package com.example.demo; import org.springframework.beans.factory.annotation.Autowired; import org.springframework.stereotype.Controller; import org.springframework.ui.Model; import org.springframework.web.bind.annotation.PathVariable; import org.springframework.web.bind.annotation.RequestMapping; import org.springframework.web.bind.annotation.RequestMethod; import java.util.List; @Controller @RequestMapping("/readingList") public class ReadingListController { private ReadingListRepository readingListRepository; @Autowired public ReadingListController(ReadingListRepository readingListRepository) { this.readingListRepository = readingListRepository; } @RequestMapping(value = "/{reader}", method = RequestMethod.GET) public String readersBooks(@PathVariable("reader") String reader, Model model) { List<Book> readingList = readingListRepository.findByReader(reader); if (readingList != null) { model.addAttribute("books", readingList); } return "readingList"; } @RequestMapping(value = "/{reader}", method = RequestMethod.POST) public String addToReadingList(@PathVariable("reader") String reader, Book book) { book.setReader(reader); readingListRepository.save(book); return "redirect:/readingList/{reader}"; } }
com.example.demo.ReadingListRepository.java
package com.example.demo; import org.springframework.data.jpa.repository.JpaRepository; import java.util.List; public interface ReadingListRepository extends JpaRepository<Book, Long> { List<Book> findByReader(String reader); }
