PropertyInfo[] properties = typeof(BPM_ContractApproval_Purchase).GetProperties();                foreach (var property in properties)                {                    string text = Convert.ToString(property.GetValue(entity));                    var dingtalkAttribute = property.GetCustomAttribute(typeof(DingTalkFormInfoAttribute)) as DingTalkFormInfoAttribute;                    if (dingtalkAttribute != null)                    {                        var attribute = property.GetCustomAttribute(typeof(DisplayAttribute)) as DisplayAttribute;                        customeAttribute.Add(new BPM_Attribute_Dto()                        {                            Label = attribute != null ? attribute.Name : "",                            Text = text,                            OrderIndex = dingtalkAttribute.Index                        });                    }                }