abp修改當前用戶密碼

        /// <summary>
        /// 修改當前登陸用戶密碼
        /// </summary>
        /// <returns></returns>
        [AbpAuthorize]
        public async Task ChangePassword(ChangePasswordInput input)
        {
            input.OldPassword = input.OldPassword.Trim();
            input.NewPassword = input.NewPassword.Trim();

            //判斷舊密碼是否正確
            if (string.IsNullOrWhiteSpace(input.OldPassword) || string.IsNullOrWhiteSpace(input.NewPassword))
            {
                throw new UserFriendlyException("密碼不能爲空");
            }

            if (input.OldPassword == input.NewPassword)
            {
                throw new UserFriendlyException("新舊密碼不能相同");
            }

            //獲取abp用戶
            var user = await _userManager.GetUserByIdAsync(AbpSession.UserId.Value);

            //判斷新密碼是否正確
            var result = _passwordHasher.VerifyHashedPassword(user, user.Password, input.OldPassword);
            if (result == PasswordVerificationResult.Failed)
            {
                throw new UserFriendlyException("舊密碼錯誤");
            }

            //新密碼hash
            var hash = _passwordHasher.HashPassword(user, input.NewPassword);
            user.Password = hash;
            await _userManager.UpdateAsync(user);
        }