| 知乎专栏 |
ArticleRepository
package api.repository;
import org.springframework.data.domain.Page;
import org.springframework.data.domain.Pageable;
import org.springframework.data.repository.CrudRepository;
import org.springframework.stereotype.Repository;
import api.domain.Article;
@Repository
public interface ArticleRepository extends CrudRepository<Article, Long> {
Page<Article> findAll(Pageable pageable);
}
Article.java
package api.domain;
import java.io.Serializable;
import javax.persistence.Column;
import javax.persistence.Entity;
import javax.persistence.Id;
import javax.persistence.GeneratedValue;
import javax.persistence.GenerationType;
import javax.persistence.Table;
@Entity
@Table(name = "article")
public class Article implements Serializable {
private static final long serialVersionUID = 7998903421265538801L;
@Id
@GeneratedValue(strategy=GenerationType.IDENTITY)
@Column(name = "id", unique=true, nullable=false, insertable=true, updatable = false)
private Long id;
private String title;
private String content;
public Article(){
}
public Article(String title, String content) {
this.title = title;
this.content = content;
}
public Long getId() {
return id;
}
public void setId(long id) {
this.id = id;
}
public String getTitle() {
return title;
}
public void setTitle(String title) {
this.title = title;
}
public String getContent() {
return content;
}
public void setContent(String content) {
this.content = content;
}
@Override
public String toString() {
return "Article [id=" + id + ", title=" + title + ", content=" + content + "]";
}
}
package api.web;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.jdbc.core.JdbcTemplate;
import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.ResponseBody;
import api.domain.City;
import api.domain.Article;
import api.ApplicationConfiguration;
import api.repository.CityRepository;
import api.repository.ArticleRepository;
import api.service.TestService;
@Controller
public class IndexController {
@Autowired
private CityRepository repository;
@Autowired
private TestService testService;
@Autowired
private ApplicationConfiguration propertie;
@Autowired
private ArticleRepository articleRepository;
@RequestMapping("/save")
@ResponseBody
public String save() {
articleRepository.save(new Article("Neo", "Chen"));
return "OK";
}
@RequestMapping("/mysql")
@ResponseBody
public String mysql() {
for (Article article : articleRepository.findAll()) {
System.out.println(article);
}
return "OK";
}
}