Indent 相关基本实现

src/main/java/com/example/springdemo/service/IndentService.java

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+package com.example.springdemo.service;
+
+import com.example.springdemo.entities.Indent;
+
+public interface IndentService {
+    Indent addIndent(Indent indent);
+
+    void deleteIndentById(Long id);
+
+    Indent updateIndent(Indent indent);
+
+    Iterable<Indent> findAllIndents();
+}

src/main/java/com/example/springdemo/service/IndentServiceImpl.java

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+package com.example.springdemo.service;
+
+import com.example.springdemo.dao.IndentRepository;
+import com.example.springdemo.entities.Indent;
+import jakarta.annotation.Resource;
+import org.springframework.stereotype.Service;
+
+@Service
+public class IndentServiceImpl implements IndentService{
+    @Resource
+    private IndentRepository indentRepository;
+
+    @Override
+    public Indent addIndent(Indent indent) {
+        return indentRepository.save(indent);
+    }
+
+    @Override
+    public void deleteIndentById(Long id) {
+        indentRepository.deleteById(id);
+    }
+
+    @Override
+    public Indent updateIndent(Indent indent) {
+        return indentRepository.save(indent);
+    }
+
+    @Override
+    public Iterable<Indent> findAllIndents() {
+        return indentRepository.findAll();
+    }
+}