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spring webflux 示例

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YunaiV
2019-11-24 17:52:37 +08:00
parent 64396c0a7b
commit 0cf03f659b
9 changed files with 337 additions and 0 deletions
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32
lab-27/lab-27-webflux-01/pom.xml Normal file
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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">
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>2.2.1.RELEASE</version>
<relativePath/> <!-- lookup parent from repository -->
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>lab-27-webflux-01</artifactId>
<dependencies>
<!-- 实现对 Spring WebFlux 的自动化配置 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-webflux</artifactId>
<version>2.2.1.RELEASE</version>
</dependency>
<!-- 方便等会写单元测试 -->
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
<scope>test</scope>
</dependency>
</dependencies>
</project>

13
lab-27/lab-27-webflux-01/src/main/java/cn/iocoder/springboot/lab27/springwebflux/Application.java Normal file
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package cn.iocoder.springboot.lab27.springwebflux;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}

64
lab-27/lab-27-webflux-01/src/main/java/cn/iocoder/springboot/lab27/springwebflux/config/WebFluxRouteConfiguration.java Normal file
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package cn.iocoder.springboot.lab27.springwebflux.config;
import cn.iocoder.springboot.lab27.springwebflux.vo.UserVO;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.util.StringUtils;
import org.springframework.web.reactive.function.server.*;
import reactor.core.publisher.Mono;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
import static org.springframework.web.reactive.function.server.RequestPredicates.GET;
import static org.springframework.web.reactive.function.server.RouterFunctions.route;
import static org.springframework.web.reactive.function.server.ServerResponse.ok;
@Configuration
public class WebFluxRouteConfiguration {
@Bean
public RouterFunction<ServerResponse> userListRouterFunction() {
return RouterFunctions.route(RequestPredicates.GET("/users2/list"),
new HandlerFunction<ServerResponse>() {
@Override
public Mono<ServerResponse> handle(ServerRequest request) {
// 查询列表
List<UserVO> result = new ArrayList<>();
result.add(new UserVO().setId(1).setUsername("yudaoyuanma"));
result.add(new UserVO().setId(2).setUsername("woshiyutou"));
result.add(new UserVO().setId(3).setUsername("chifanshuijiao"));
// 返回列表
return ServerResponse.ok().bodyValue(result);
}
});
}
@Bean
public RouterFunction<ServerResponse> userGetRouterFunction() {
return RouterFunctions.route(RequestPredicates.GET("/users2/get"),
new HandlerFunction<ServerResponse>() {
@Override
public Mono<ServerResponse> handle(ServerRequest request) {
// 获得编号
Integer id = request.queryParam("id")
.map(s -> StringUtils.isEmpty(s) ? null : Integer.valueOf(s)).get();
// 查询用户
UserVO user = new UserVO().setId(id).setUsername(UUID.randomUUID().toString());
// 返回列表
return ServerResponse.ok().bodyValue(user);
}
});
}
@Bean
public RouterFunction<ServerResponse> demoRouterFunction() {
return route(GET("/users2/demo"), request -> ok().bodyValue("demo"));
}
}

93
lab-27/lab-27-webflux-01/src/main/java/cn/iocoder/springboot/lab27/springwebflux/controller/UserController.java Normal file
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package cn.iocoder.springboot.lab27.springwebflux.controller;
import cn.iocoder.springboot.lab27.springwebflux.dto.UserAddDTO;
import cn.iocoder.springboot.lab27.springwebflux.dto.UserUpdateDTO;
import cn.iocoder.springboot.lab27.springwebflux.vo.UserVO;
import org.springframework.web.bind.annotation.*;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import java.util.ArrayList;
import java.util.List;
import java.util.UUID;
/**
* 用户 Controller
*/
@RestController
@RequestMapping("/users")
public class UserController {
/**
* 查询用户列表
*
* @return 用户列表
*/
@GetMapping("/list")
public Flux<UserVO> list() {
// 查询列表
List<UserVO> result = new ArrayList<>();
result.add(new UserVO().setId(1).setUsername("yudaoyuanma"));
result.add(new UserVO().setId(2).setUsername("woshiyutou"));
result.add(new UserVO().setId(3).setUsername("chifanshuijiao"));
// 返回列表
return Flux.fromIterable(result);
}
/**
* 获得指定用户编号的用户
*
* @param id 用户编号
* @return 用户
*/
@GetMapping("/get")
public Mono<UserVO> get(@RequestParam("id") Integer id) {
// 查询用户
UserVO user = new UserVO().setId(id).setUsername(UUID.randomUUID().toString());
// 返回
return Mono.just(user);
}
/**
* 添加用户
*
* @param addDTO 添加用户信息 DTO
* @return 添加成功的用户编号
*/
@PostMapping("add")
public Mono<Integer> add(UserAddDTO addDTO) {
// 插入用户记录，返回编号
Integer returnId = UUID.randomUUID().hashCode();
// 返回用户编号
return Mono.just(returnId);
}
/**
* 更新指定用户编号的用户
*
* @param updateDTO 更新用户信息 DTO
* @return 是否修改成功
*/
@PostMapping("/update")
public Mono<Boolean> update(UserUpdateDTO updateDTO) {
// 更新用户记录
Boolean success = true;
// 返回更新是否成功
return Mono.just(success);
}
/**
* 删除指定用户编号的用户
*
* @param id 用户编号
* @return 是否删除成功
*/
@PostMapping("/delete") // URL 修改成 /delete ，RequestMethod 改成 DELETE
public Mono<Boolean> delete(@RequestParam("id") Integer id) {
// 删除用户记录
Boolean success = false;
// 返回是否更新成功
return Mono.just(success);
}
}

35
lab-27/lab-27-webflux-01/src/main/java/cn/iocoder/springboot/lab27/springwebflux/dto/UserAddDTO.java Normal file
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package cn.iocoder.springboot.lab27.springwebflux.dto;
/**
* 用户添加 DTO
*/
public class UserAddDTO {
/**
* 账号
*/
private String username;
/**
* 密码
*/
private String password;
public String getUsername() {
return username;
}
public UserAddDTO setUsername(String username) {
this.username = username;
return this;
}
public String getPassword() {
return password;
}
public UserAddDTO setPassword(String password) {
this.password = password;
return this;
}
}

45
lab-27/lab-27-webflux-01/src/main/java/cn/iocoder/springboot/lab27/springwebflux/dto/UserUpdateDTO.java Normal file
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package cn.iocoder.springboot.lab27.springwebflux.dto;
public class UserUpdateDTO {
/**
* 编号
*/
private Integer id;
/**
* 账号
*/
private String username;
/**
* 密码
*/
private String password;
public Integer getId() {
return id;
}
public UserUpdateDTO setId(Integer id) {
this.id = id;
return this;
}
public String getUsername() {
return username;
}
public UserUpdateDTO setUsername(String username) {
this.username = username;
return this;
}
public String getPassword() {
return password;
}
public UserUpdateDTO setPassword(String password) {
this.password = password;
return this;
}
}

35
lab-27/lab-27-webflux-01/src/main/java/cn/iocoder/springboot/lab27/springwebflux/vo/UserVO.java Normal file
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package cn.iocoder.springboot.lab27.springwebflux.vo;
/**
* 用户 VO
*/
public class UserVO {
/**
* 编号
*/
private Integer id;
/**
* 账号
*/
private String username;
public Integer getId() {
return id;
}
public UserVO setId(Integer id) {
this.id = id;
return this;
}
public String getUsername() {
return username;
}
public UserVO setUsername(String username) {
this.username = username;
return this;
}
}

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lab-27/pom.xml Normal file
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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">
<parent>
<artifactId>labs-parent</artifactId>
<groupId>cn.iocoder.springboot.labs</groupId>
<version>1.0-SNAPSHOT</version>
</parent>
<modelVersion>4.0.0</modelVersion>
<artifactId>lab-27</artifactId>
<packaging>pom</packaging>
<modules>
<module>lab-27-webflux-01</module>
</modules>
</project>

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pom.xml
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<module>lab-24</module>
<module>lab-25</module>
<module>lab-26</module>
<module>lab-27</module>
</modules>