SpringBoot集成MongoDB

ruoyi-note/src/main/java/com/ruoyi/note/domain/NoteContentMgDb.java

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+package com.ruoyi.note.domain;
+
+import org.springframework.data.mongodb.core.mapping.Document;
+
+import javax.persistence.Id;
+import java.io.Serializable;
+
+/**
+ * @Auther: Wang
+ * @Date: 2020/10/08 19:07
+ * 功能描述:
+ */
+@Document(collection = "NoteContent")
+public class NoteContentMgDb implements Serializable {
+
+    @Id
+    private Long id;
+
+    private String NoteContent;
+
+    public Long getId() {
+        return id;
+    }
+
+    public void setId(Long id) {
+        this.id = id;
+    }
+
+    public String getNoteContent() {
+        return NoteContent;
+    }
+
+    public void setNoteContent(String noteContent) {
+        NoteContent = noteContent;
+    }
+}

ruoyi-note/src/main/java/com/ruoyi/note/service/INoteRepositoryService.java

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+package com.ruoyi.note.service;
+
+import com.ruoyi.note.domain.NoteContentMgDb;
+
+import java.util.List;
+
+/**
+ * @Auther: Wang
+ * @Date: 2020/10/08 19:01
+ * 功能描述:
+ */
+public interface INoteRepositoryService {
+
+    void save(NoteContentMgDb noteContentMgDb);
+
+    void update(NoteContentMgDb noteContentMgDb);
+
+    List<NoteContentMgDb> findAll();
+
+    void delete(Integer id);
+}

ruoyi-note/src/main/java/com/ruoyi/note/service/impl/NoteRepositoryServiceImpl.java

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+package com.ruoyi.note.service.impl;
+
+
+import com.ruoyi.note.domain.NoteContentMgDb;
+import com.ruoyi.note.service.INoteRepositoryService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.data.mongodb.core.MongoTemplate;
+import org.springframework.data.mongodb.core.query.Criteria;
+import org.springframework.data.mongodb.core.query.Query;
+import org.springframework.data.mongodb.core.query.Update;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+/**
+ *  @author: wanghao
+ *  @Date: 2020/10/08 19:02
+ *  @Description:
+ */
+@Service
+public class NoteRepositoryServiceImpl implements INoteRepositoryService {
+
+    @Autowired
+    private MongoTemplate mongoTemplate;
+
+    /**
+     * 新增信息
+     * @param student
+     */
+    @Override
+    public void save(NoteContentMgDb student) {
+        mongoTemplate.save(student);
+    }
+
+    /**
+     * 修改信息
+     * @param noteContentMgDb
+     */
+    @Override
+    public void update(NoteContentMgDb noteContentMgDb) {
+        //修改的条件
+        Query query = new Query(Criteria.where("id").is(noteContentMgDb.getId()));
+
+        //修改的内容
+        Update update = new Update();
+        update.set("name", noteContentMgDb.getNoteContent());
+
+        mongoTemplate.updateFirst(query,update, NoteContentMgDb.class);
+    }
+
+    /**
+     * 查询所有信息
+     * @return
+     */
+    @Override
+    public List<NoteContentMgDb> findAll() {
+        return mongoTemplate.findAll(NoteContentMgDb.class);
+    }
+
+    /**
+     * 根据id查询所有信息
+     * @param id
+     */
+    @Override
+    public void delete(Integer id) {
+        NoteContentMgDb byId = mongoTemplate.findById(1, NoteContentMgDb.class);
+        mongoTemplate.remove(byId);
+    }
+}