手机号重复注册验证

src/main/java/com/cxyxiaomo/flashsale/service/impl/UserServiceImpl.java

@@ -11,6 +11,7 @@ import com.cxyxiaomo.flashsale.service.model.UserModel;
 import org.apache.commons.lang3.StringUtils;
 import org.springframework.beans.BeanUtils;
 import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.dao.DuplicateKeyException;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
 
@@ -50,7 +51,11 @@ public class UserServiceImpl implements UserService {
 
         // 实现 model -> dataobject 方法
         UserDO userDO = convertFormModel(userModel);
-        userDOMapper.insertSelective(userDO);
+        try {
+            userDOMapper.insertSelective(userDO);
+        } catch (DuplicateKeyException ex) {
+            throw new BusinessException(EmBusinessError.PARAMETER_VALIDATION_ERROR, "手机号已被注册");
+        }
 
         userModel.setId(userDO.getId());