Spring Boot 入门、Spring Boot 配置、Web 开发、模板引擎、数据存储、数据缓存 案例更新

chapter-5-spring-boot-data-jpa/pom.xml

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+<?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>
+    <name>chapter-5-spring-boot-data-jpa</name>
+    <description>《Spring Boot 2.x 核心技术实战 - 上 基础篇》第 5 章《数据存储》Demo</description>
+
+    <groupId>demo.springboot</groupId>
+    <artifactId>chapter-5-spring-boot-data-jpa</artifactId>
+    <version>1.0</version>
+    <packaging>jar</packaging>
+
+    <parent>
+        <groupId>org.springframework.boot</groupId>
+        <artifactId>spring-boot-starter-parent</artifactId>
+        <version>2.0.0.BUILD-SNAPSHOT</version>
+    </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>
+
+        <!-- Web 依赖 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-web</artifactId>
+        </dependency>
+
+        <!-- 模板引擎 Thymeleaf 依赖 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-thymeleaf</artifactId>
+        </dependency>
+
+        <!-- Spring Data JPA 依赖 :: 数据持久层框架 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-data-jpa</artifactId>
+        </dependency>
+
+        <!-- h2 数据源依赖 -->
+        <dependency>
+            <groupId>com.h2database</groupId>
+            <artifactId>h2</artifactId>
+            <scope>runtime</scope>
+        </dependency>
+
+        <!-- 测试依赖 -->
+        <dependency>
+            <groupId>org.springframework.boot</groupId>
+            <artifactId>spring-boot-starter-test</artifactId>
+            <scope>test</scope>
+        </dependency>
+
+    </dependencies>
+
+    <build>
+        <plugins>
+            <!-- Spring Boot Maven 插件
+            <plugin>
+                <groupId>org.springframework.boot</groupId>
+                <artifactId>spring-boot-maven-plugin</artifactId>
+            </plugin>
+            -->
+        </plugins>
+    </build>
+
+
+    <repositories>
+        <repository>
+            <id>spring-snapshots</id>
+            <name>Spring Snapshots</name>
+            <url>https://repo.spring.io/libs-snapshot</url>
+            <snapshots>
+                <enabled>true</enabled>
+            </snapshots>
+        </repository>
+    </repositories>
+
+</project>

chapter-5-spring-boot-data-jpa/src/main/java/demo/springboot/WebApplication.java

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+package demo.springboot;
+
+import org.springframework.boot.SpringApplication;
+import org.springframework.boot.autoconfigure.SpringBootApplication;
+
+/**
+ * Spring Boot 应用启动类
+ *
+ * Created by bysocket on 30/09/2017.
+ */
+@SpringBootApplication
+public class WebApplication {
+    public static void main(String[] args) {
+        SpringApplication.run(WebApplication.class, args);
+    }
+}

chapter-5-spring-boot-data-jpa/src/main/java/demo/springboot/domain/Book.java

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+package demo.springboot.domain;
+
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Id;
+import java.io.Serializable;
+
+/**
+ * Book 实体类
+ *
+ * Created by bysocket on 30/09/2017.
+ */
+@Entity
+public class Book implements Serializable {
+
+    /**
+     * 编号
+     */
+    @Id
+    @GeneratedValue
+    private Long id;
+
+    /**
+     * 书名
+     */
+    private String name;
+
+    /**
+     * 作者
+     */
+    private String writer;
+
+    /**
+     * 简介
+     */
+    private String introduction;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getWriter() {
+        return writer;
+    }
+
+    public void setWriter(String writer) {
+        this.writer = writer;
+    }
+
+    public String getIntroduction() {
+        return introduction;
+    }
+
+    public void setIntroduction(String introduction) {
+        this.introduction = introduction;
+    }
+}

chapter-5-spring-boot-data-jpa/src/main/java/demo/springboot/domain/BookRepository.java

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+package demo.springboot.domain;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+
+/**
+ * Book 数据持久层操作接口
+ *
+ * Created by bysocket on 09/10/2017.
+ */
+public interface BookRepository extends JpaRepository<Book, Long> {
+}

chapter-5-spring-boot-data-jpa/src/main/java/demo/springboot/service/BookService.java

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+package demo.springboot.service;
+
+import demo.springboot.domain.Book;
+
+import java.util.List;
+
+/**
+ * Book 业务接口层
+ *
+ * Created by bysocket on 30/09/2017.
+ */
+public interface BookService {
+    /**
+     * 获取所有 Book
+     */
+    List<Book> findAll();
+
+    /**
+     * 新增 Book
+     *
+     * @param book {@link Book}
+     */
+    Book insertByBook(Book book);
+
+    /**
+     * 更新 Book
+     *
+     * @param book {@link Book}
+     */
+    Book update(Book book);
+
+    /**
+     * 删除 Book
+     *
+     * @param id 编号
+     */
+    Book delete(Long id);
+
+    /**
+     * 获取 Book
+     *
+     * @param id 编号
+     */
+    Book findById(Long id);
+}

chapter-5-spring-boot-data-jpa/src/main/java/demo/springboot/service/impl/BookServiceImpl.java

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+package demo.springboot.service.impl;
+
+import demo.springboot.domain.Book;
+import demo.springboot.domain.BookRepository;
+import demo.springboot.service.BookService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ * Book 业务层实现
+ *
+ * Created by bysocket on 30/09/2017.
+ */
+@Service
+public class BookServiceImpl implements BookService {
+
+    @Autowired
+    BookRepository bookRepository;
+
+    @Override
+    public List<Book> findAll() {
+        return bookRepository.findAll();
+    }
+
+    @Override
+    public Book insertByBook(Book book) {
+        return bookRepository.save(book);
+    }
+
+    @Override
+    public Book update(Book book) {
+        return bookRepository.save(book);
+    }
+
+    @Override
+    public Book delete(Long id) {
+        Book book = bookRepository.findById(id).get();
+        bookRepository.delete(book);
+        return book;
+    }
+
+    @Override
+    public Book findById(Long id) {
+        return bookRepository.findById(id).get();
+    }
+}

chapter-5-spring-boot-data-jpa/src/main/java/demo/springboot/web/BookController.java

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+package demo.springboot.web;
+
+import demo.springboot.domain.Book;
+import demo.springboot.service.BookService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Controller;
+import org.springframework.ui.ModelMap;
+import org.springframework.web.bind.annotation.*;
+
+/**
+ * Book 控制层
+ *
+ * Created by bysocket on 30/09/2017.
+ */
+@Controller
+@RequestMapping(value = "/book")
+public class BookController {
+
+    private static final String BOOK_FORM_PATH_NAME = "bookForm";
+    private static final String BOOK_LIST_PATH_NAME = "bookList";
+    private static final String REDIRECT_TO_BOOK_URL = "redirect:/book";
+
+    @Autowired
+    BookService bookService;
+
+    /**
+     * 获取 Book 列表
+     * 处理 "/book" 的 GET 请求，用来获取 Book 列表
+     */
+    @RequestMapping(method = RequestMethod.GET)
+    public String getBookList(ModelMap map) {
+        map.addAttribute("bookList",bookService.findAll());
+        return BOOK_LIST_PATH_NAME;
+    }
+
+    /**
+     * 获取创建 Book 表单
+     */
+    @RequestMapping(value = "/create", method = RequestMethod.GET)
+    public String createBookForm(ModelMap map) {
+        map.addAttribute("book", new Book());
+        map.addAttribute("action", "create");
+        return BOOK_FORM_PATH_NAME;
+    }
+
+    /**
+     * 创建 Book
+     * 处理 "/book/create" 的 POST 请求，用来新建 Book 信息
+     * 通过 @ModelAttribute 绑定表单实体参数，也通过 @RequestParam 传递参数
+     */
+    @RequestMapping(value = "/create", method = RequestMethod.POST)
+    public String postBook(@ModelAttribute Book book) {
+        bookService.insertByBook(book);
+        return REDIRECT_TO_BOOK_URL;
+    }
+
+    /**
+     * 获取更新 Book 表单
+     *    处理 "/book/update/{id}" 的 GET 请求，通过 URL 中的 id 值获取 Book 信息
+     *    URL 中的 id ，通过 @PathVariable 绑定参数
+     */
+    @RequestMapping(value = "/update/{id}", method = RequestMethod.GET)
+    public String getUser(@PathVariable Long id, ModelMap map) {
+        map.addAttribute("book", bookService.findById(id));
+        map.addAttribute("action", "update");
+        return BOOK_FORM_PATH_NAME;
+    }
+
+    /**
+     * 更新 Book
+     * 处理 "/update" 的 PUT 请求，用来更新 Book 信息
+     */
+    @RequestMapping(value = "/update", method = RequestMethod.POST)
+    public String putBook(@ModelAttribute Book book) {
+        bookService.update(book);
+        return REDIRECT_TO_BOOK_URL;
+    }
+
+    /**
+     * 删除 Book
+     * 处理 "/book/{id}" 的 GET 请求，用来删除 Book 信息
+     */
+    @RequestMapping(value = "/delete/{id}", method = RequestMethod.GET)
+    public String deleteBook(@PathVariable Long id) {
+        bookService.delete(id);
+        return REDIRECT_TO_BOOK_URL;
+    }
+
+}

chapter-5-spring-boot-data-jpa/src/main/resources/application.properties

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+## 是否启动日志 SQL 语句
+spring.jpa.show-sql=true

chapter-5-spring-boot-data-jpa/src/main/resources/static/css/default.css

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+/* contentDiv */
+.contentDiv {padding:20px 60px;}

chapter-5-spring-boot-data-jpa/src/main/resources/templates/bookForm.html

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+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <script type="text/javascript" th:src="@{https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js}"></script>
+    <link th:href="@{https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css}" rel="stylesheet"/>
+    <link th:href="@{/css/default.css}" rel="stylesheet"/>
+    <link rel="icon" th:href="@{/images/favicon.ico}" type="image/x-icon"/>
+    <meta charset="UTF-8"/>
+    <title>书籍管理</title>
+</head>
+
+<body>
+<div class="contentDiv">
+
+    <h5>《Spring Boot 2.x 核心技术实战 - 上 基础篇》第 5 章《数据存储》Demo </h5>
+
+    <legend>
+        <strong>书籍管理</strong>
+    </legend>
+
+    <form th:action="@{/book/{action}(action=${action})}" method="post" class="form-horizontal">
+
+        <input type="hidden" name="id" th:value="${book.id}"/>
+
+        <div class="form-group">
+            <label for="book_name" class="col-sm-2 control-label">书名:</label>
+            <div class="col-xs-4">
+                <input type="text" class="form-control" id="book_name" name="name" th:value="${book.name}"
+                       th:field="*{book.name}"/>
+            </div>
+        </div>
+
+        <div class="form-group">
+            <label for="book_writer" class="col-sm-2 control-label">作者:</label>
+            <div class="col-xs-4">
+                <input type="text" class="form-control" id="book_writer" name="writer" th:value="${book.writer}"
+                       th:field="*{book.writer}"/>
+            </div>
+        </div>
+
+        <div class="form-group">
+            <label for="book_introduction" class="col-sm-2 control-label">简介:</label>
+            <div class="col-xs-4">
+                <textarea class="form-control" id="book_introduction" rows="3" name="introduction"
+                          th:value="${book.introduction}" th:field="*{book.introduction}"></textarea>
+            </div>
+        </div>
+
+        <div class="form-group">
+            <div class="col-sm-offset-2 col-sm-10">
+                <input class="btn btn-primary" type="submit" value="提交"/>&nbsp;&nbsp;
+                <input class="btn" type="button" value="返回" onclick="history.back()"/>
+            </div>
+        </div>
+    </form>
+</div>
+</body>
+</html>

chapter-5-spring-boot-data-jpa/src/main/resources/templates/bookList.html

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+<!DOCTYPE html>
+<html lang="zh-CN">
+<head>
+    <script type="text/javascript" th:src="@{https://cdn.bootcss.com/jquery/3.2.1/jquery.min.js}"></script>
+    <link th:href="@{https://cdn.bootcss.com/bootstrap/3.3.7/css/bootstrap.min.css}" rel="stylesheet"/>
+    <link th:href="@{/css/default.css}" rel="stylesheet"/>
+    <link rel="icon" th:href="@{/images/favicon.ico}" type="image/x-icon"/>
+    <meta charset="UTF-8"/>
+    <title>书籍列表</title>
+</head>
+
+<body>
+
+<div class="contentDiv">
+
+    <h5>《Spring Boot 2.x 核心技术实战 - 上 基础篇》第 5 章《数据存储》Demo </h5>
+
+    <table class="table table-hover table-condensed">
+        <legend>
+            <strong>书籍列表</strong>
+        </legend>
+        <thead>
+        <tr>
+            <th>书籍编号</th>
+            <th>书名</th>
+            <th>作者</th>
+            <th>简介</th>
+            <th>管理</th>
+        </tr>
+        </thead>
+        <tbody>
+        <tr th:each="book : ${bookList}">
+            <th scope="row" th:text="${book.id}"></th>
+            <td><a th:href="@{/book/update/{bookId}(bookId=${book.id})}" th:text="${book.name}"></a></td>
+            <td th:text="${book.writer}"></td>
+            <td th:text="${book.introduction}"></td>
+            <td><a class="btn btn-danger" th:href="@{/book/delete/{bookId}(bookId=${book.id})}">删除</a></td>
+        </tr>
+        </tbody>
+    </table>
+
+    <div><a class="btn btn-primary" href="/book/create" role="button">新增书籍</a></div>
+</div>
+
+</body>
+</html>

chapter-5-spring-boot-data-jpa/src/test/java/demo/springboot/WebApplicationTests.java

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+package demo.springboot;
+
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.test.context.junit4.SpringRunner;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class WebApplicationTests {
+
+	@Test
+	public void contextLoads() {
+	}
+
+}