1. 添加依赖
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| <dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>
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2. 编写配置文件
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| spring:
data:
mongodb:
database: report_pools
host: 192.168.43.148
port: 27017
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3. 创建实体类
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| @Document("content")
public class Content {
@Id
private String id;
@Field("title")
private String title;
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
@Override
public String toString() {
return "Content{" +
"id='" + id + '\'' +
", title='" + title +
'}';
}
}
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4. 创建封装实体类(可扩展)
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| package com.restfulapio.demo.entity;
public class ContentVO {
private Object data;
public Object getData() {
return data;
}
public void setData(Object data) {
this.data = data;
}
}
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5. 自定义接口ContentRepository
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| @Repository
public interface ContentRepository extends MongoRepository<Content, String> {
List<Content> findAll();
Page<Content> findAll(Pageable pageable);
Optional<Content> findById(String s);
void deleteById(String s);
}
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6. 自定义Service接口及实现类
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| public interface ContentService {
List<Content> findAll();
List<Content> findAll(int page,int limit);
Content findById(String s);
void deleteById(String s);
void save(Content content);
long count();
}
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@Service
public class ContentServiceImpl implements ContentService{
@Autowired
private ContentRepository contentRepository;
@Override
public void save(Content content) {
contentRepository.save(content);
}
@Override
public long count() {
return contentRepository.count();
}
@Override
public List<Content> findAll() {
return contentRepository.findAll();
}
@Override
public List<Content> findAll(int page,int limit) {
Pageable pageable = new PageRequest(page - 1, limit);
Page<Content> contentpage = contentRepository.findAll(pageable);
return contentpage.getContent();
}
@Override
public Content findById(String s) {
return contentRepository.findById(s).get();
}
@Override
public void deleteById(String s) {
contentRepository.deleteById(s);
}
}
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7. 创建控制器
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@RestController
public class ContentHandler {
@Autowired
private ContentService service;
private ContentVO contentvo = new ContentVO();
@RequestMapping(value = "/contents/{page}/{limit}")
public ResponseEntity<Object> findAll(@PathVariable("page") int page, @PathVariable("limit") int limit) {
contentvo.setData(service.findAll(page, limit));
return new ResponseEntity<>(contentvo, HttpStatus.OK);
}
@RequestMapping(value = "/contents")
public ResponseEntity<Object> findAll(){
return new ResponseEntity<>(service.findAll(),HttpStatus.OK);
}
@RequestMapping(value = "/content/{id}",method = RequestMethod.DELETE)
public ResponseEntity<Object> delete(@PathVariable("id") String id){
service.deleteById(id);
return new ResponseEntity<>("content be deleted successfully",HttpStatus.OK);
}
@RequestMapping(value = "/content/{id}",method = RequestMethod.POST)
public ResponseEntity<Object> save(@RequestBody Content content) {
service.save(content);
return new ResponseEntity<>("Post successfully",HttpStatus.OK);
}
@RequestMapping("/content/{id}")
public ResponseEntity<Object> find(@PathVariable("id") String id) {
return new ResponseEntity<>(service.findById(id),HttpStatus.OK);
}
@RequestMapping(value = "/content/{id}",method = RequestMethod.PUT)
public ResponseEntity<Object> update(@PathVariable("id") String id,@RequestBody Content content){
service.deleteById(id);
service.save(content);
return new ResponseEntity<>("Update successfully",HttpStatus.OK);
}
}
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8. 项目结构
9. 测试
10. 地址
https://github.com/10ngui/SpringBootDemo
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