abp修改当前用户密码

        /// <summary>
        /// 修改当前登陆用户密码
        /// </summary>
        /// <returns></returns>
        [AbpAuthorize]
        public async Task ChangePassword(ChangePasswordInput input)
        {
            input.OldPassword = input.OldPassword.Trim();
            input.NewPassword = input.NewPassword.Trim();

            //判断旧密码是否正确
            if (string.IsNullOrWhiteSpace(input.OldPassword) || string.IsNullOrWhiteSpace(input.NewPassword))
            {
                throw new UserFriendlyException("密码不能为空");
            }

            if (input.OldPassword == input.NewPassword)
            {
                throw new UserFriendlyException("新旧密码不能相同");
            }

            //获取abp用户
            var user = await _userManager.GetUserByIdAsync(AbpSession.UserId.Value);

            //判断新密码是否正确
            var result = _passwordHasher.VerifyHashedPassword(user, user.Password, input.OldPassword);
            if (result == PasswordVerificationResult.Failed)
            {
                throw new UserFriendlyException("旧密码错误");
            }

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