Request.From,Request.QueryString转对象

Posted 2020-10-19 plming

From表单转化为对象

        public static T RequestFormEntities<T>(HttpRequestBase request) where T : new()
        {
            T entity = Activator.CreateInstance<T>();
            PropertyInfo[] attrs = entity.GetType().GetProperties();
            foreach (PropertyInfo p in attrs)
            {
                foreach (string key in request.Form.AllKeys)
                {
                    if (string.Compare(p.Name, key, true) == 0)
                    {
                        try
                        {
                            Type type = p.PropertyType;
                            //判断type类型是否为泛型，因为nullable是泛型类
                            if (type.IsGenericType && type.GetGenericTypeDefinition().Equals(typeof(Nullable<>)))//判断convertsionType是否为nullable泛型类  
                            {
                                //如果type为nullable类，声明一个NullableConverter类，该类提供从Nullable类到基础基元类型的转换  
                                System.ComponentModel.NullableConverter nullableConverter = new System.ComponentModel.NullableConverter(type);
                                //将type转换为nullable对的基础基元类型  
                                type = nullableConverter.UnderlyingType;
                            }

                            p.SetValue(entity, Convert.ChangeType(request.Form[key], type), null);
                        }
                        catch (Exception e)
                        {
                            continue;
                        }
                    }
                }
            }
            return entity;
        }

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Request参数转化为对象

         public static T RequestStringFormEntities<T>(string request) where T : new()
        {
            T entity = Activator.CreateInstance<T>();
            PropertyInfo[] attrs = entity.GetType().GetProperties();
            foreach (PropertyInfo p in attrs)
            {
                foreach (string key in request.Split(‘&‘))
                {
                    var _key = key.Split(‘=‘)[0];
                    var _value = key.Split(‘=‘)[1];
                    if (string.Compare(p.Name, _key, true) == 0)
                    {
                        try
                        {
                            Type type = p.PropertyType;
                            //判断type类型是否为泛型，因为nullable是泛型类
                            if (type.IsGenericType && type.GetGenericTypeDefinition().Equals(typeof(Nullable<>)))//判断convertsionType是否为nullable泛型类  
                            {
                                //如果type为nullable类，声明一个NullableConverter类，该类提供从Nullable类到基础基元类型的转换  
                                System.ComponentModel.NullableConverter nullableConverter = new System.ComponentModel.NullableConverter(type);
                                //将type转换为nullable对的基础基元类型  
                                type = nullableConverter.UnderlyingType;
                            }

                            p.SetValue(entity, Convert.ChangeType(_value, type), null);
                        }
                        catch (Exception e)
                        {
                            continue;
                        }
                    }
                }
            }
            return entity;
        }

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