public IActionResult Post([FromBody] sys_role value) { var oldSysRole = _sysRoleRpt.FindBy(f => f.RoleName == value.RoleName); if (oldSysRole.Any()) { return(BadRequest(string.Concat(value.RoleName, "已经存在。"))); } value.CreatedAt = DateTime.Now; value.UpdatedAt = DateTime.Now; value.IsValid = true; _sysRoleRpt.Add(value); _sysRoleRpt.Commit(); return(new OkObjectResult(value)); }