增加添加和获取联系人接口，AesAttributeConverter中autoApply = false取消全局加密

src/main/java/com/onekeycall/videotablet/service/ContactService.java

@@ -0,0 +1,48 @@
+package com.onekeycall.videotablet.service;
+
+import com.onekeycall.videotablet.entity.Contact;
+import com.onekeycall.videotablet.entity.DeviceLocation;
+import com.onekeycall.videotablet.repository.ContactRepository;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+
+import java.util.List;
+
+@Service
+public class ContactService {
+    private final ContactRepository contactRepository;
+
+    @Autowired
+    public ContactService(ContactRepository deviceSnRepository) {
+        this.contactRepository = deviceSnRepository;
+    }
+
+    public boolean isExistByPhoneNumber(String phoneNumber) {
+        return contactRepository.existsByPhoneNumber(phoneNumber);
+    }
+
+    public boolean isExistByPhoneNumberAndSn(String phoneNumber, String sn) {
+        return contactRepository.existsByPhoneNumberAndSn(phoneNumber, sn);
+    }
+
+    public Contact findByPhoneNumber(String phoneNumber) {
+        return contactRepository.findByPhoneNumber(phoneNumber);
+    }
+
+    public Contact findByPhoneNumberAndUserId(String phoneNumber, String userId) {
+        return contactRepository.findByPhoneNumberAndUserId(phoneNumber, userId);
+    }
+
+    public Contact findByUserId(String userId) {
+        return contactRepository.findByUserId(userId);
+    }
+
+    public List<Contact> findAllBySn(String sn) {
+        return contactRepository.findAllBySn(sn);
+    }
+
+    public void save(Contact contact) {
+        contactRepository.save(contact);
+    }
+
+}