{"id":40209,"date":"2023-11-23T13:27:07","date_gmt":"2023-11-04T10:57:29","guid":{"rendered":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8springboot%e5%92%8cmysql%e5%88%9b%e5%bb%batodo%e5%88%97%e8%a1%a8%ef%bc%81%e5%ae%9e%e7%8e%b0crud%e6%93%8d%e4%bd%9c%ef%bc%88%e8%af%bb%e5%8f%96%e9%83%a8%e5%88%86%ef%bc%89%e3%80%82\/"},"modified":"2024-05-04T10:26:59","modified_gmt":"2024-05-04T02:26:59","slug":"%e4%bd%bf%e7%94%a8springboot%e5%92%8cmysql%e5%88%9b%e5%bb%batodo%e5%88%97%e8%a1%a8%ef%bc%81%e5%ae%9e%e7%8e%b0crud%e6%93%8d%e4%bd%9c%ef%bc%88%e8%af%bb%e5%8f%96%e9%83%a8%e5%88%86%ef%bc%89%e3%80%82","status":"publish","type":"post","link":"https:\/\/www.silicloud.com\/zh\/blog\/%e4%bd%bf%e7%94%a8springboot%e5%92%8cmysql%e5%88%9b%e5%bb%batodo%e5%88%97%e8%a1%a8%ef%bc%81%e5%ae%9e%e7%8e%b0crud%e6%93%8d%e4%bd%9c%ef%bc%88%e8%af%bb%e5%8f%96%e9%83%a8%e5%88%86%ef%bc%89%e3%80%82\/","title":{"rendered":"\u4f7f\u7528SpringBoot\u548cMySQL\u521b\u5efaTodo\u5217\u8868\uff01\u5b9e\u73b0CRUD\u64cd\u4f5c\uff08\u8bfb\u53d6\u90e8\u5206\uff09"},"content":{"rendered":"

\u9996\u5148<\/h1>\n

\u672c\u6b21\u76ee\u6807\u662f\u4f7f\u7528SpringBoot\u4eceMySQL\u83b7\u53d6\u6570\u636e\uff0c\u5e76\u901a\u8fc7Thymeleaf\u5728\u9875\u9762\u4e0a\u663e\u793a\u51fa\u6765\u3002<\/p>\n

\u6211\u5c06\u4e0e\u90a3\u4e9b\u521a\u5f00\u59cb\u5b66\u4e60SpringBoot\u7684\u4eba\u6216\u5e0c\u671b\u590d\u4e60\u7684\u4eba\u5206\u4eab\u6211\u6240\u5b66\u5230\u7684\u77e5\u8bc6\u3002<\/p>\n

\u5f00\u53d1\u73af\u5883<\/h2>\n
OS: macOS Mojave(\u30d0\u30fc\u30b8\u30e7\u30f3 10.14.6)\r\n<\/code><\/pre>\n
$ java -version\r\nopenjdk version \"11.0.2\" 2019-01-15\r\nOpenJDK Runtime Environment 18.9 (build 11.0.2+9)\r\nOpenJDK 64-Bit Server VM 18.9 (build 11.0.2+9, mixed mode)\r\n<\/code><\/pre>\n
$ mvn -version\r\nMaven home: \/usr\/local\/Cellar\/maven\/3.6.3_1\/libexec\r\nJava version: 15.0.2, vendor: N\/A, runtime: \/usr\/local\/Cellar\/openjdk\/15.0.2\/libexec\/openjdk.jdk\/Contents\/Home\r\nDefault locale: ja_JP, platform encoding: UTF-8\r\nOS name: \"mac os x\", version: \"10.14.6\", arch: \"x86_64\", family: \"mac\"\r\n<\/code><\/pre>\n
$ spring --version\r\nSpring CLI v2.3.1.RELEASE\r\n<\/code><\/pre>\n
$ mysql --version\r\nmysql  Ver 8.0.23 for osx10.14 on x86_64 (Homebrew)\r\n<\/code><\/pre>\n
\u521b\u5efa\u9879\u76ee\uff08\u7f16\u8f91pom.xml\u6587\u4ef6\uff09<\/h1>\n
\u5728Spring Initializr\u4e2d\u5feb\u901f\u521b\u5efa\u9879\u76ee\u3002<\/p>\n
\u4ee5\u4e0b\u662f\u4f9d\u5b58\u5173\u7cfb\u7684\u60c5\u51b5\u3002<\/p>\n
<?xml version=\"1.0\" encoding=\"UTF-8\"?>\r\n<project xmlns=\"http:\/\/maven.apache.org\/POM\/4.0.0\" xmlns:xsi=\"http:\/\/www.w3.org\/2001\/XMLSchema-instance\"\r\n    xsi:schemaLocation=\"http:\/\/maven.apache.org\/POM\/4.0.0 https:\/\/maven.apache.org\/xsd\/maven-4.0.0.xsd\">\r\n    <modelVersion>4.0.0<\/modelVersion>\r\n    <parent>\r\n        <groupId>org.springframework.boot<\/groupId>\r\n        <artifactId>spring-boot-starter-parent<\/artifactId>\r\n        <version>2.4.3<\/version>\r\n        <relativePath\/> <!-- lookup parent from repository -->\r\n    <\/parent>\r\n    <groupId>com.example<\/groupId>\r\n    <artifactId>todolist<\/artifactId>\r\n    <version>0.0.1-SNAPSHOT<\/version>\r\n    <name>todolist<\/name>\r\n    <description>Demo project for Spring Boot<\/description>\r\n    <properties>\r\n        <java.version>11<\/java.version>\r\n    <\/properties>\r\n\r\n    <dependencies>\r\n\r\n        <!-- \u30c6\u30f3\u30d7\u30ec\u30fc\u30c8\u30a8\u30f3\u30b8\u30f3 -->\r\n        <dependency>\r\n            <groupId>org.springframework.boot<\/groupId>\r\n            <artifactId>spring-boot-starter-thymeleaf<\/artifactId>\r\n        <\/dependency>\r\n\r\n        <!-- RESTful\u3092\u542b\u3093\u3060Web\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u30e9\u30a4\u30d6\u30e9\u30ea\u306e\u5229\u7528 -->\r\n        <dependency>\r\n            <groupId>org.springframework.boot<\/groupId>\r\n            <artifactId>spring-boot-starter-web<\/artifactId>\r\n        <\/dependency>\r\n\r\n        <!-- \u30d5\u30a1\u30a4\u30eb\u306e\u5909\u66f4\u3092\u691c\u77e5\u3059\u308b\u3068\u81ea\u52d5\u3067\u518d\u8d77\u52d5\u3059\u308b -->\r\n        <dependency>\r\n            <groupId>org.springframework.boot<\/groupId>\r\n            <artifactId>spring-boot-devtools<\/artifactId>\r\n            <scope>runtime<\/scope>\r\n            <optional>true<\/optional>\r\n        <\/dependency>\r\n\r\n        <!-- MySQL -->\r\n        <dependency>\r\n            <groupId>mysql<\/groupId>\r\n            <artifactId>mysql-connector-java<\/artifactId>\r\n            <scope>runtime<\/scope>\r\n        <\/dependency>\r\n\r\n        <!-- @Data\u30a2\u30ce\u30c6\u30fc\u30b7\u30e7\u30f3\u3092\u4ed8\u4e0e\u3059\u308b\u4e8b\u3067,getter,setter\u7b49\u3092\u81ea\u52d5\u751f\u6210\u3057\u3066\u304f\u308c\u308b -->\r\n        <dependency>\r\n            <groupId>org.projectlombok<\/groupId>\r\n            <artifactId>lombok<\/artifactId>\r\n            <optional>true<\/optional>\r\n        <\/dependency>\r\n\r\n        <!-- \u30c6\u30b9\u30c8\u7528 -->\r\n        <dependency>\r\n            <groupId>org.springframework.boot<\/groupId>\r\n            <artifactId>spring-boot-starter-test<\/artifactId>\r\n            <scope>test<\/scope>\r\n        <\/dependency>\r\n\r\n        <!-- DB\u3068Java\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3084\u308a\u53d6\u308a\u3092\u884c\u3046\u3002 -->\r\n        <dependency>\r\n            <groupId>org.springframework.boot<\/groupId>\r\n            <artifactId>spring-boot-starter-data-jpa<\/artifactId>\r\n        <\/dependency>\r\n\r\n    <\/dependencies>\r\n\r\n    <build>\r\n        <plugins>\r\n            <plugin>\r\n                <groupId>org.springframework.boot<\/groupId>\r\n                <artifactId>spring-boot-maven-plugin<\/artifactId>\r\n                <configuration>\r\n                    <excludes>\r\n                        <exclude>\r\n                            <groupId>org.projectlombok<\/groupId>\r\n                            <artifactId>lombok<\/artifactId>\r\n                        <\/exclude>\r\n                    <\/excludes>\r\n                <\/configuration>\r\n            <\/plugin>\r\n        <\/plugins>\r\n    <\/build>\r\n\r\n<\/project>\r\n\r\n<\/code><\/pre>\n
\u4e0eMySQL\u5efa\u7acb\u8fde\u63a5<\/h1>\n
\u5373\u4f7f\u5728\u7ec8\u7aef\u4e2d\u76f4\u63a5\u8f93\u5165\u547d\u4ee4 mvn spring-boot:run \u8fd0\u884c\u4e5f\u65e0\u6cd5\u542f\u52a8\u3002<\/p>\n
$<\/span> mvn spring-boot:run\r\n\r\n~\u4ee5\u4e0b\u7565~\r\n\r\n***************************\r\nAPPLICATION FAILED TO START\r\n***************************\r\n\r\nDescription:\r\n\r\nFailed to configure a DataSource: 'url' attribute is not specified and no embedded datasource could be configured.\r\n\r\nReason: Failed to determine a suitable driver class\r\n<\/span><\/code><\/pre>\n
1. \u5efa\u7acb\u6570\u636e\u5e93\u5e76\u521b\u5efa\u6d4b\u8bd5\u6570\u636e\u3002<\/h2>\n
\u9996\u5148\uff0c\u4f7f\u7528MySQL\u521b\u5efa\u4e00\u4e2a\u6570\u636e\u5e93\u3002<\/p>\n
CREATE<\/span> DATABASE<\/span> spring_todolist_qiita<\/span>;<\/span>\r\n<\/code><\/pre>\n
mysql<\/span>><\/span> show<\/span> databases<\/span>;<\/span>\r\n+<\/span>-----------------------+<\/span>\r\n|<\/span> Database<\/span>              |<\/span>\r\n+<\/span>-----------------------+<\/span>\r\n|<\/span> information_schema<\/span>    |<\/span>\r\n|<\/span> mysql<\/span>                 |<\/span>\r\n|<\/span> performance_schema<\/span>    |<\/span>\r\n|<\/span> spring_todolist_qiita<\/span> |<\/span> -- \u2190\u4f5c\u6210\u5b8c\u4e86<\/span>\r\n|<\/span> sys<\/span>                   |<\/span>\r\n+<\/span>-----------------------+<\/span>\r\n<\/code><\/pre>\n
\u521b\u5efa\u4e00\u4e2a\u8868\u5e76\u6dfb\u52a0\u6570\u636e\u3002<\/p>\n
mysql<\/span>><\/span> use<\/span> spring_todolist_qiita<\/span>;<\/span>\r\n\r\nmysql<\/span>><\/span> create<\/span> table<\/span> if<\/span> not<\/span> exists<\/span> todolist<\/span> (<\/span>\r\n  id<\/span> integer<\/span> not<\/span> null<\/span> auto_increment<\/span>,<\/span>\r\n  content<\/span> text<\/span> not<\/span> null<\/span>,<\/span>\r\n  done<\/span> boolean<\/span> not<\/span> null<\/span> default<\/span> 0<\/span>,<\/span>\r\n  primary<\/span> key<\/span> (<\/span>id<\/span>)<\/span>\r\n);<\/span>\r\n<\/code><\/pre>\n
\u6211\u4f1a\u521b\u5efa\u4e00\u4e9b\u6570\u636e\u3002<\/p>\n
mysql<\/span>><\/span> insert<\/span> into<\/span> todolist<\/span> (<\/span>content<\/span>)<\/span> values<\/span> (<\/span>\"\u5375\u3092\u8cb7\u3046\"<\/span>);<\/span>\r\n--\u4ee5\u4e0b\u7565--<\/span>\r\n<\/code><\/pre>\n
2. \u4f7f\u7528SpringBoot\u6765\u5b9a\u4e49MySQL\u7684\u4fe1\u606f<\/h2>\n
\u5728 application.properties \u4e2d\u6dfb\u52a0\u914d\u7f6e\uff0c\u4ee5\u8fde\u63a5\u5230 MySQL \u6570\u636e\u5e93\u3002<\/p>\n
# \u63a5\u7d9a\u5148\u306eDB\u540d\u3092\u8a2d\u5b9a\r\n<\/span>spring.datasource.url<\/span>=<\/span>jdbc:mysql:\/\/localhost\/spring_todolist_qiita<\/span>\r\n\r\n# \u63a5\u7d9a\u3057\u3066\u3044\u308bDB\u306e username \u3068 password\u3092\u8a2d\u5b9a\r\n# \u3007\u3007\u3068\u25b3\u25b3\u306f\u3054\u81ea\u8eab\u306eusername,password\u3092\u8a18\u8f09\u3057\u3066\u304f\u3060\u3055\u3044\r\n<\/span>spring.datasource.username<\/span>=<\/span>\u3007\u3007<\/span>\r\nspring.datasource.password<\/span>=<\/span>\u25b3\u25b3<\/span>\r\n\r\n# MySQL\u7528JDBC\u30c9\u30e9\u30a4\u30d0\u306e\u8a2d\u5b9a\r\n<\/span>spring.datasource.driverClassName<\/span>=<\/span>com.mysql.cj.jdbc.Driver<\/span>\r\n<\/code><\/pre>\n
\u5f53\u4f60\u518d\u6b21\u5728\u7ec8\u7aef\u8f93\u5165”mvn spring-boot:run”\u65f6\uff0c\u5c06\u4f1a\u542f\u52a8\u3002<\/p>\n
SpringBoot\u548cMySQL\u4e4b\u95f4\u7684\u5b9e\u73b0\u4ea4\u4e92<\/h1>\n
\u5728\u4e0eTodolistApplication.java\u76f8\u540c\u7684\u5c42\u7ea7\u4e0b\u521b\u5efa\u6bcf\u4e2a\u6587\u4ef6\u5939\uff0c\u5e76\u9010\u6b65\u5b9e\u73b0\u5b83\u4eec\u7684\u5185\u5bb9\u3002<\/p>\n
\"\u30b9\u30af\u30ea\u30fc\u30f3\u30b7\u30e7\u30c3\u30c8<\/div>\n
1. \u521b\u5efa\u5b9e\u4f53\u6a21\u578b<\/h2>\n
\u4f7f\u7528@Entity\u6ce8\u89e3\u6765\u58f0\u660e\u5b9e\u4f53\u7c7b\uff0c\u5e76\u5c06\u5176\u6620\u5c04\u5230\u6570\u636e\u5e93\u8868\u3002<\/p>\n
@Table(name = “todolist”) \u7528\u4e8e\u6307\u5b9a\u5b9e\u4f53\u7c7b\u4e0e\u6570\u636e\u5e93\u8868\u7684\u6620\u5c04\u5173\u7cfb\uff0c\u6307\u5b9a\u4e86\u6570\u636e\u5e93\u8868\u7684\u8868\u540d\u4e3a “todolist”\u3002<\/p>\n
@Id\u662f\u7528\u6765\u58f0\u660e\u4e00\u4e2a\u5b9e\u4f53\u7c7b\u5b57\u6bb5\u4e3a\u4e3b\u952e\uff0c\u800c@GeneratedValue(strategy = GenerationType.IDENTITY)\u662f\u7528\u6765\u58f0\u660e\u4e3b\u952e\u81ea\u52a8\u9012\u589e\u7684\u3002<\/p>\n
package<\/span> com.example.todolist.Model<\/span>;<\/span>\r\n\r\nimport<\/span> javax.persistence.Entity<\/span>;<\/span>\r\nimport<\/span> javax.persistence.GeneratedValue<\/span>;<\/span>\r\nimport<\/span> javax.persistence.GenerationType<\/span>;<\/span>\r\nimport<\/span> javax.persistence.Id<\/span>;<\/span>\r\nimport<\/span> javax.persistence.Table<\/span>;<\/span>\r\n\r\nimport<\/span> lombok.Data<\/span>;<\/span>\r\n\r\n\/\/ \u30c7\u30fc\u30bf\u3092\u683c\u7d0d\u3059\u308b\u30af\u30e9\u30b9(DB\u3078\u767b\u9332\u3001\u66f4\u65b0\u6642\u306e\u5165\u308c\u7269)<\/span>\r\n@Entity<\/span>\r\n@Data<\/span>\r\n@Table<\/span>(<\/span>name<\/span> =<\/span> \"todolist\"<\/span>)<\/span>\r\npublic<\/span> class<\/span> Todo<\/span> {<\/span>\r\n  @Id<\/span>\r\n  @GeneratedValue<\/span>(<\/span>strategy<\/span> =<\/span> GenerationType<\/span>.<\/span>IDENTITY<\/span>)<\/span>\r\n  private<\/span> Integer<\/span> id<\/span>;<\/span>\r\n\r\n  private<\/span> String<\/span> content<\/span>;<\/span>\r\n\r\n  private<\/span> boolean<\/span> done<\/span>;<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u521b\u5efa\u7528\u4e8e\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u4ed3\u5e93\u3002<\/h2>\n
\u521b\u5efa\u4e00\u4e2a\u7ee7\u627f\u81eaJpaRepository\u63a5\u53e3\u7684\u63a5\u53e3\uff0c\u5176\u4e2d\u5b9a\u4e49\u4e86\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u503c\u3001\u66f4\u65b0\u7b49\u65b9\u6cd5\u3002<\/p>\n
\u5728@Repository\u6ce8\u89e3\u4e2d\u58f0\u660e\u4e3a\u6570\u636e\u5e93\u8bbf\u95ee\u7c7b\uff0c\u5e76\u6ce8\u518c\u5230\u4f9d\u8d56\u6ce8\u5165\u5bb9\u5668\u4e2d\u3002<\/p>\n
package<\/span> com.example.todolist.Repository<\/span>;<\/span>\r\n\r\nimport<\/span> org.springframework.stereotype.Repository<\/span>;<\/span>\r\nimport<\/span> org.springframework.data.jpa.repository.JpaRepository<\/span>;<\/span>\r\nimport<\/span> com.example.todolist.Model.Todo<\/span>;<\/span>\r\n\r\n\/\/ DB\u306b\u30a2\u30af\u30bb\u30b9\u3059\u308b\u305f\u3081\u306e\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9<\/span>\r\n@Repository<\/span>\r\npublic<\/span> interface<\/span> TodoRepository<\/span> extends<\/span> JpaRepository<\/span><<\/span>Todo<\/span>,<\/span> Integer<\/span>><\/span> {<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
3. \u521b\u5efa\u4e00\u4e2a\u6267\u884c\u5177\u4f53\u5904\u7406\u4efb\u52a1\u7684\u670d\u52a1\u3002<\/h2>\n
\u4f7f\u7528@Service\u6ce8\u89e3\u58f0\u660e\u8be5\u7c7b\u4e3a\u670d\u52a1\u7c7b\uff0c\u5e76\u5728DI\u5bb9\u5668\u4e2d\u8fdb\u884c\u6ce8\u518c\u3002<\/p>\n
@ Autowired\u5c06\u751f\u6210\u5e76\u8fd4\u56de\u5df2\u5728DI\u5bb9\u5668\u4e2d\u6ce8\u518c\u7684TodoRepository\u5b9e\u4f8b\u3002<\/p>\n
package<\/span> com.example.todolist.Service<\/span>;<\/span>\r\n\r\nimport<\/span> java.util.List<\/span>;<\/span>\r\n\r\nimport<\/span> com.example.todolist.Model.Todo<\/span>;<\/span>\r\nimport<\/span> com.example.todolist.Repository.TodoRepository<\/span>;<\/span>\r\n\r\nimport<\/span> org.springframework.beans.factory.annotation.Autowired<\/span>;<\/span>\r\nimport<\/span> org.springframework.stereotype.Service<\/span>;<\/span>\r\n\r\n\/\/ DB\u3068\u306e\u5177\u4f53\u7684\u306a\u51e6\u7406(\u30c7\u30fc\u30bf\u306e\u53d6\u5f97\u3001\u65b0\u898f\u4f5c\u6210\u306a\u3069)\u3092\u8a18\u8ff0\u3059\u308b\u30af\u30e9\u30b9<\/span>\r\n@Service<\/span>\r\npublic<\/span> class<\/span> TodoService<\/span> {<\/span>\r\n\r\n  @Autowired<\/span>\r\n  TodoRepository<\/span> todoRepository<\/span>;<\/span>\r\n\r\n  \/\/ todolist\u3092\u5168\u4ef6\u53d6\u5f97<\/span>\r\n  public<\/span> List<\/span><<\/span>Todo<\/span>><\/span> searchAll<\/span>()<\/span> {<\/span>\r\n    return<\/span> todoRepository<\/span>.<\/span>findAll<\/span>();<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5c06\u83b7\u53d6\u7684\u6570\u636e\u663e\u793a\u5728\u5c4f\u5e55\u4e0a<\/h1>\n
\u51c6\u5907\u4e00\u4e2a\u63a7\u5236\u5668\uff0c\u4ece\u6570\u636e\u5e93\u4e2d\u83b7\u53d6\u6570\u636e\u5e76\u53d1\u9001\u5230\u89c6\u56fe\uff0c\u4f7f\u5176\u5728\u5c4f\u5e55\u4e0a\u663e\u793a\u3002<\/p>\n
\u521b\u5efa\u63a7\u5236\u5668<\/h2>\n
\u4f7f\u7528@Controller\u6ce8\u89e3\u6765\u58f0\u660e\u4e00\u4e2a\u63a7\u5236\u5668\u7c7b\u3002<\/p>\n
\u4f7f\u7528@Autowired\u6ce8\u89e3\uff0c\u5b83\u4f1a\u5e2e\u6211\u4eec\u5728DI\u5bb9\u5668\u4e2d\u521b\u5efa\u5e76\u8fd4\u56de\u5df2\u6ce8\u518c\u7684TodoService\u5b9e\u4f8b\u3002<\/p>\n
package<\/span> com.example.todolist.Controller<\/span>;<\/span>\r\n\r\nimport<\/span> java.util.List<\/span>;<\/span>\r\n\r\nimport<\/span> com.example.todolist.Model.Todo<\/span>;<\/span>\r\nimport<\/span> com.example.todolist.Service.TodoService<\/span>;<\/span>\r\n\r\nimport<\/span> org.springframework.beans.factory.annotation.Autowired<\/span>;<\/span>\r\nimport<\/span> org.springframework.stereotype.Controller<\/span>;<\/span>\r\nimport<\/span> org.springframework.ui.Model<\/span>;<\/span>\r\nimport<\/span> org.springframework.web.bind.annotation.GetMapping<\/span>;<\/span>\r\n\r\n\r\n@Controller<\/span>\r\npublic<\/span> class<\/span> TodoController<\/span> {<\/span>\r\n\r\n  @Autowired<\/span>\r\n  TodoService<\/span> todoService<\/span>;<\/span>\r\n\r\n  @GetMapping<\/span>(<\/span>\"\/\"<\/span>)<\/span>\r\n  public<\/span> String<\/span> home<\/span>(<\/span>Model<\/span> model<\/span>)<\/span> {<\/span>\r\n    List<\/span><<\/span>Todo<\/span>><\/span> allTodo<\/span> =<\/span> todoService<\/span>.<\/span>searchAll<\/span>();<\/span>\r\n    model<\/span>.<\/span>addAttribute<\/span>(<\/span>\"allTodo\"<\/span>,<\/span> allTodo<\/span>);<\/span>\r\n    return<\/span> \"home\"<\/span>;<\/span>\r\n  }<\/span>\r\n}<\/span>\r\n<\/code><\/pre>\n
\u5f53\u8bbf\u95ee localhost:8080 \u4e0a\u7684 @GetMapping(“\/”) \u65f6\uff0c\u5c06\u8c03\u7528 home \u65b9\u6cd5\u3002<\/p>\n
\u5728todoService\u7684serarchAll\u65b9\u6cd5\u4e2d\uff0c\u4ece\u6570\u636e\u5e93\u68c0\u7d22\u6240\u6709\u6570\u636e\uff0c\u5e76\u901a\u8fc7model.addAttribute\u5c06Java\u5bf9\u8c61\u4f20\u9012\u7ed9View\u3002<\/p>\n
\u521b\u5efaHTML\u6587\u4ef6<\/h2>\n
\u7531\u4e8e\u4e0a\u8ff0Controller\u4e2d\u7684\u8fd4\u56de\u503c\u4e3a”home”\uff0c\u56e0\u6b64\u9700\u8981\u521b\u5efahome.html\u6587\u4ef6\u3002<\/p>\n
<!DOCTYPE html><\/span>\r\n<html<\/span> xmlns:th=<\/span>\"http:\/\/www.thymeleaf.org\"<\/span>><\/span>\r\n<head><\/span>\r\n  <meta<\/span> http-equiv=<\/span>\"Content-Type\"<\/span> content=<\/span>\"text\/html; charset=UTF-8\"<\/span> \/><\/span>\r\n  <title><\/span>SpringTodoList<\/title><\/span>\r\n<\/head><\/span>\r\n<body><\/span>\r\n  <div<\/span> th:each=<\/span>\"todo : ${allTodo}\"<\/span>><\/span>\r\n    <p<\/span> th:text=<\/span>\"${todo.content}\"<\/span>><\/p><\/span>\r\n  <\/div><\/span>\r\n<\/body><\/span>\r\n\r\n<\/html><\/span>\r\n<\/code><\/pre>\n
\u7531\u63a7\u5236\u5668\u4f20\u9012\u6765\u7684allTodo\u662f\u4e00\u4e2aList\u7c7b\u578b\uff0c
\n\u901a\u8fc7\u5faa\u73af”th:each=”todo : ${allTodo}”\uff0c\u5c06\u6bcf\u4e2atodo\u9010\u4e2a\u5b58\u50a8\u6570\u636e\u3002<\/p>\n
\u7528 todo.content \u7ed8\u5236 content\u3002<\/p>\n
SpringBoot\u7684\u542f\u52a8<\/h1>\n
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$<\/span> mvn spring-boot:run\r\n<\/code><\/pre>\n
\u5f53\u5c1d\u8bd5\u8bbf\u95eelocalhost:8080\u65f6…<\/p>\n
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\u7ed3\u675f<\/h1>\n
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