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Spring Boot 2.x基础教程：JSR-303实现请求参数校验
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‎chapter2-3/.gitignore‎

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HELP.md
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/target/
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!.mvn/wrapper/maven-wrapper.jar
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### STS ###
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.apt_generated
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.classpath
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.factorypath
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.project
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.settings
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.springBeans
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.sts4-cache
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### IntelliJ IDEA ###
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.idea
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*.iws
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*.iml
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*.ipr
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### NetBeans ###
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/nbproject/private/
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/nbbuild/
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/dist/
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/nbdist/
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/.nb-gradle/
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/build/
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### VS Code ###
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.vscode/

‎chapter2-3/pom.xml‎

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<?xml version="1.0" encoding="UTF-8"?>
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<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
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xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
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<modelVersion>4.0.0</modelVersion>
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<parent>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-parent</artifactId>
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<version>2.1.3.RELEASE</version>
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<relativePath/> <!-- lookup parent from repository -->
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</parent>
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<groupId>com.didispace</groupId>
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<artifactId>chapter2-3</artifactId>
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<version>0.0.1-SNAPSHOT</version>
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<name>chapter2-3</name>
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<description>Demo project for Spring Boot</description>
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<properties>
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<java.version>1.8</java.version>
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</properties>
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<dependencies>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-web</artifactId>
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</dependency>
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<dependency>
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<groupId>com.spring4all</groupId>
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<artifactId>swagger-spring-boot-starter</artifactId>
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<version>1.9.0.RELEASE</version>
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</dependency>
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<dependency>
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<groupId>org.projectlombok</groupId>
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<artifactId>lombok</artifactId>
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</dependency>
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<dependency>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-starter-test</artifactId>
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<scope>test</scope>
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</dependency>
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</dependencies>
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<build>
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<plugins>
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<plugin>
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<groupId>org.springframework.boot</groupId>
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<artifactId>spring-boot-maven-plugin</artifactId>
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</plugin>
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</plugins>
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</build>
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</project>

‎chapter2-3/src/main/java/com/didispace/chapter23/Chapter23Application.java‎

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package com.didispace.chapter23;
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import com.spring4all.swagger.EnableSwagger2Doc;
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import org.springframework.boot.SpringApplication;
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import org.springframework.boot.autoconfigure.SpringBootApplication;
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@EnableSwagger2Doc
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@SpringBootApplication
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public class Chapter23Application {
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public static void main(String[] args) {
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SpringApplication.run(Chapter23Application.class, args);
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}
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}

‎chapter2-3/src/main/java/com/didispace/chapter23/User.java‎

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package com.didispace.chapter23;
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import io.swagger.annotations.ApiModel;
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import io.swagger.annotations.ApiModelProperty;
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import lombok.Data;
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import javax.validation.constraints.*;
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@Data
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@ApiModel(description = "用户实体")
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public class User {
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@ApiModelProperty("用户编号")
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private Long id;
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@NotNull
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@Size(min = 2, max = 5)
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@ApiModelProperty("用户姓名")
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private String name;
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@NotNull
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@Max(100)
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@Min(10)
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@ApiModelProperty("用户年龄")
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private Integer age;
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@NotNull
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@Email
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@ApiModelProperty("用户邮箱")
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private String email;
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}

‎chapter2-3/src/main/java/com/didispace/chapter23/UserController.java‎

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package com.didispace.chapter23;
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import io.swagger.annotations.Api;
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import io.swagger.annotations.ApiImplicitParam;
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import io.swagger.annotations.ApiOperation;
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import org.springframework.web.bind.annotation.*;
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import javax.validation.Valid;
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import java.util.*;
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@Api(tags = "用户管理")
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@RestController
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@RequestMapping(value = "/users") // 通过这里配置使下面的映射都在/users下
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public class UserController {
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// 创建线程安全的Map，模拟users信息的存储
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static Map<Long, User> users = Collections.synchronizedMap(new HashMap<>());
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@GetMapping("/")
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@ApiOperation(value = "获取用户列表")
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public List<User> getUserList() {
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List<User> r = new ArrayList<>(users.values());
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return r;
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}
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@PostMapping("/")
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@ApiOperation(value = "创建用户", notes = "根据User对象创建用户")
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public String postUser(@Valid @RequestBody User user) {
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users.put(user.getId(), user);
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return "success";
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}
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@GetMapping("/{id}")
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@ApiOperation(value = "获取用户详细信息", notes = "根据url的id来获取用户详细信息")
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public User getUser(@PathVariable Long id) {
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return users.get(id);
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}
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@PutMapping("/{id}")
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@ApiImplicitParam(paramType = "path", dataType = "Long", name = "id", value = "用户编号", required = true, example = "1")
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@ApiOperation(value = "更新用户详细信息", notes = "根据url的id来指定更新对象，并根据传过来的user信息来更新用户详细信息")
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public String putUser(@PathVariable Long id, @RequestBody User user) {
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User u = users.get(id);
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u.setName(user.getName());
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u.setAge(user.getAge());
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users.put(id, u);
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return "success";
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}
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@DeleteMapping("/{id}")
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@ApiOperation(value = "删除用户", notes = "根据url的id来指定删除对象")
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public String deleteUser(@PathVariable Long id) {
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users.remove(id);
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return "success";
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}
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}

‎chapter2-3/src/main/resources/application.properties‎

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swagger.title=spring-boot-starter-swagger
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swagger.description=Starter for swagger 2.x
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swagger.version=1.9.0.RELEASE
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swagger.license=Apache License, Version 2.0
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swagger.licenseUrl=https://www.apache.org/licenses/LICENSE-2.0.html
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swagger.termsOfServiceUrl=https://github.com/dyc87112/spring-boot-starter-swagger
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swagger.contact.name=didi
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swagger.contact.url=http://blog.didispace.com
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swagger.contact.email[email protected]
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swagger.base-package=com.didispace
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swagger.base-path=/**

‎pom.xml‎

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<!--Web开发-->
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<module>chapter2-1</module>
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<module>chapter2-2</module>
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<module>chapter2-3</module>
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</modules>

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