Spring boot 未找到HATEOAS方法
我的控制器似乎找不到像“linkTo”这样的HATEOAS方法 我错过什么了吗 pom.xmlSpring boot 未找到HATEOAS方法,spring-boot,spring-hateoas,Spring Boot,Spring Hateoas,我的控制器似乎找不到像“linkTo”这样的HATEOAS方法 我错过什么了吗 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/P
<?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>
<groupId>org.springframework</groupId>
<artifactId>provider</artifactId>
<version>0.1.0</version>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>1.1.5.RELEASE</version>
</parent>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<!-- Spring Security -->
<!-- Auto configured, remove dependencies to disable. -->
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.security</groupId>
<artifactId>spring-security-config</artifactId>
</dependency>
<!-- OAuth 2.0 -->
<dependency>
<groupId>org.springframework.security.oauth</groupId>
<artifactId>spring-security-oauth2</artifactId>
<version>2.0.1.RELEASE</version>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test</artifactId>
</dependency>
<dependency>
<groupId>org.springframework</groupId>
<artifactId>spring-test-mvc</artifactId>
<version>1.0.0.M2</version>
<scope>test</scope>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
</dependency>
<!-- Spring MongoDB -->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-mongodb</artifactId>
</dependency>
<!-- Spring REST MVC -->
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-rest-webmvc</artifactId>
</dependency>
<!-- Dozer: DTO/Entity Mapper -->
<dependency>
<groupId>net.sf.dozer</groupId>
<artifactId>dozer</artifactId>
<version>5.3.2</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>
</dependency>
<dependency>
<groupId>joda-time</groupId>
<artifactId>joda-time</artifactId>
</dependency>
</dependencies>
<properties>
<start-class>com.provider.core.Application</start-class>
</properties>
<build>
<plugins>
<plugin>
<artifactId>maven-compiler-plugin</artifactId>
</plugin>
<plugin>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-maven-plugin</artifactId>
</plugin>
</plugins>
</build>
<repositories>
<repository>
<id>spring-snapshots</id>
<url>http://repo.spring.io/libs-snapshot</url>
<snapshots><enabled>true</enabled></snapshots>
</repository>
</repositories>
<pluginRepositories>
<pluginRepository>
<id>spring-snapshots</id>
<url>http://repo.spring.io/libs-snapshot</url>
<snapshots><enabled>true</enabled></snapshots>
</pluginRepository>
</pluginRepositories>
</project>
4.0.0
org.springframework
供应商
0.1.0
org.springframework.boot
spring启动程序父级
1.1.5.1发布
org.springframework.boot
SpringBootStarterWeb
org.springframework.security
spring安全网
org.springframework.security
spring安全配置
org.springframework.security.oauth
spring-security-oauth2
2.0.1.1发布
org.springframework
弹簧试验
org.springframework
弹簧试验
1.0.0.2平方米
测试
com.fasterxml.jackson.core
杰克逊数据绑定
org.springframework.data
spring数据mongodb
org.springframework.data
spring数据rest webmvc
net.sf.推土机
推土机
5.3.2
org.springframework.boot
弹簧起动试验
乔达时间
乔达时间
com.provider.core.Application
maven编译器插件
org.springframework.boot
springbootmaven插件
春季快照
http://repo.spring.io/libs-snapshot
真的
春季快照
http://repo.spring.io/libs-snapshot
真的
控制器
package com.provider.core;
import org.dozer.DozerBeanMapper;
import org.dozer.Mapper;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.HttpEntity;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.ResponseBody;
import com.provider.account.Account;
import com.provider.account.AccountDTO;
@Controller
public class AccountController
{
private static final Logger logger = LoggerFactory.getLogger(AccountController.class);
@Autowired private AccountRepository repo;
@RequestMapping(value = "account", method = RequestMethod.POST)
public @ResponseBody HttpEntity<AccountDTO> createAccount(@RequestBody AccountDTO accountDto) {
logger.info("Start createAccount()");
Mapper mapper = new DozerBeanMapper();
Account account = mapper.map(accountDto, Account.class);
Account savedAccount = repo.save(account);
AccountDTO savedAccountDto = mapper.map(savedAccount, AccountDTO.class);
// DOES NOT COMPILE "linkto" not defined.
savedAccountDto.add(linkTo(AccountController.class).slash(savedAccountDto.getId()).withSelfRel());
return new ResponseEntity<AccountDTO>(savedAccountDto, HttpStatus.OK);
}
}
package com.provider.core;
导入org.dozer.DozerBeanMapper;
导入org.dozer.Mapper;
导入org.slf4j.Logger;
导入org.slf4j.LoggerFactory;
导入org.springframework.beans.factory.annotation.Autowired;
导入org.springframework.http.HttpEntity;
导入org.springframework.http.HttpStatus;
导入org.springframework.http.ResponseEntity;
导入org.springframework.stereotype.Controller;
导入org.springframework.web.bind.annotation.RequestBody;
导入org.springframework.web.bind.annotation.RequestMapping;
导入org.springframework.web.bind.annotation.RequestMethod;
导入org.springframework.web.bind.annotation.ResponseBody;
导入com.provider.account.account;
导入com.provider.account.AccountDTO;
@控制器
公共类帐户控制器
{
私有静态最终记录器Logger=LoggerFactory.getLogger(AccountController.class);
@自动连线私人帐户存储库回购;
@RequestMapping(value=“account”,method=RequestMethod.POST)
public@ResponseBody HttpEntity createAccount(@RequestBody AccountDTO AccountDTO){
logger.info(“启动CreateCount()”;
映射器映射器=新的DozerBeanMapper();
Account Account=mapper.map(accountDto,Account.class);
账户savedAccount=repo.save(账户);
AccountDTO savedAccountDto=mapper.map(savedAccount,AccountDTO.class);
//不编译未定义的“链接到”。
savedAccountDto.add(linkTo(AccountController.class).slash(savedAccountDto.getId()).withSelfRel());
返回新的响应状态(savedAccountDto,HttpStatus.OK);
}
}
看起来您的POM缺少spring hateoas
依赖项
因此,首先将其添加到pom.xml中:
org.springframework.hateoas
春风
0.15.0.0发布
然后,您可以添加此静态导入,您的代码应编译:
导入静态org.springframework.hateoas.mvc.ControllerLinkBuilder*
在我的案例中出现此问题是因为有两个hateoas JAR,一个具有资源接口,另一个具有相同groupId和arifactId的实现。
要解决此问题-->
如果您使用4.*到3,请将STS降级*
如果使用spring boot,请添加以下依赖项
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-autoconfigure</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-hateoas</artifactId>
</dependency>
org.springframework.boot
弹簧靴自动配置
org.springframework.boot
弹簧靴启动器hateoas
添加此依赖项后,在pom.xml所在的命令提示符下运行以下命令
这些步骤为我解决了这个问题。最近的版本(2.2.0或>)中有一些术语更改。如果您使用的是HATEOAS v1.0及以上版本(Spring boot>=2.2.0),请参阅,注意类名已更改。值得注意的是,以下类别已重命名:
更改为ResourceSupport
RepresentationModel
更改为Resource
EntityModel
更改为Resources
CollectionModel
更改为PagedResources
PagedModel
更改为ResourceAssembler
RepresentationModelAssembler
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-hateoas</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-hateoas</artifactId>
</dependency>
org.springframework.boot
弹簧靴启动器hateoas
希望这些信息能帮助像我这样搜索了数小时的人找到
资源类未得到解决的原因。如果您在eclipse中使用HATEOAS(版本:Oxygen.3a Release(4.7.3a)),请注意类名已更改
Resource changed to EntityModel
Resources changed to CollectionModel
更多信息请参见下面的官方文档链接->
使用Spring boot starter时,必须使用以下依赖项来包含HATEOAS:
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-hateoas</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-hateoas</artifactId>
</dependency>
希望这个消息
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-hateoas</artifactId>
</dependency>
ResourceSupport is now RepresentationModel
Resource is now EntityModel
Resources is now CollectionModel
PagedResources is now PagedModel
import static org.springframework.hateoas.server.mvc.ControllerLinkBuilder.*;
import static org.springframework.hateoas.server.mvc.WebMvcLinkBuilder.*;
Add following dependency :-
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-hateoas</artifactId>
<version>2.4.0</version>
</dependency>
Follow Sample Code :-
import static org.springframework.hateoas.server.mvc.WebMvcLinkBuilder.*;
@GetMapping(path = "/users/{id}")
public EntityModel<User> getUserInfo(@PathVariable int id) {
User user = userDao.getUser(id);
EntityModel<User> entityModel = EntityModel.of(user);
Link link = WebMvcLinkBuilder.linkTo(methodOn(this.getClass()).getUserList()).withRel("user-list");
entityModel.add(link);
if(user == null) {
throw new UserNotFoundException("User not found with id : "+id);
}
return entityModel;
}