Question

我无法获得POST参数排序。这是什么类型的？如何正确排序＆＃34;排序＆＃34;参数？我尝试了使用sender属性的对象，数组，特定对象，但没有任何帮助。

帖子正文：

current=1&rowCount=10&sort[sender]=asc&searchPhrase=&id=b0df282a-0d67-40e5-8558-c9e93b7befed

代码：

[HttpPost]
public ActionResult OrganizationPosts( int current, int rowCount, string sort = null, string searchPhrase = null )
{           
    return Json( 
        new { 
            current = 1,
            rowCount= 10,
            rows = new[]{ 
                new { id= 16, post = "post 16" },
                new { id= 117, post = "post 17"}, 
                new { id= 19, post = "post 19"} 
            },
            total = 1123 
        });
    }

Answer 1

模型绑定器不会绑定sort [sender]进行排序，如果您将请求更改为sort = asc，它将起作用。

如果您还需要发件人，只需添加发件人，将其添加为单独的参数，即：

current=1&rowCount=10&sort=asc&sender=someSender&searchPhrase=&id=b0df282a-0d67-40e5-8558-c9e93b7befed

并将方法签名更改为：

public ActionResult OrganizationPosts( int current, int rowCount, string sort = null, string sender = null, string searchPhrase = null)

如果您无法更改请求，则必须创建自定义模型绑定器：这是一个可以提供帮助的链接：http://www.codeproject.com/Articles/605595/ASP-NET-MVC-Custom-Model-Binder

Answer 2

我已修复此问题

public class SortDirection
{
    public string prop { get; set; }
    public string direction { get; set; }
}

public class CampaignModel
{
    public int id { get; set; }
    public string post { get; set; }
    public string description { get; set; }
}

public class SortModelBinder
    :System.Web.Mvc.IModelBinder
{
    Type currType = typeof( CampaignModel );

    public object BindModel( ControllerContext controllerContext, System.Web.Mvc.ModelBindingContext bindingContext )
    {
        HttpRequestBase request = controllerContext.HttpContext.Request;
        var retVal = new SortDirection();
        foreach( var prop in currType.GetProperties() )
        {
            string dir = request.Form.Get( string.Format( "sort[{0}]", prop.Name ) );
            if( !string.IsNullOrEmpty( dir ) )
            {
                retVal.prop = prop.Name;
                retVal.direction = dir;
            }
        }

        return retVal;
    }
}

public ActionResult OrganizationPosts( int current, int rowCount, [ModelBinder( typeof( SortModelBinder ) )] SortDirection sort, string sender = null, string searchPhrase = null )
    {           
...
    }

Answer 3

Andriy，我喜欢你的解决方案，但是为了我的需要，我把它变得更通用了，所以我们不需要为系统中的每个网格制作单独的ModelBinder。

public class BootgridSortModelBinder<T> : System.Web.Mvc.IModelBinder
{
    public object BindModel(ControllerContext controllerContext, ModelBindingContext bindingContext)
    {
        HttpRequestBase request = controllerContext.HttpContext.Request;

        Type typeParameterType = typeof(T);

        foreach (var prop in typeParameterType.GetProperties())
        {
            string dir = request.Form.Get(string.Format("sort[{0}]", prop.Name));

            if (!string.IsNullOrEmpty(dir))
            {
                return new BootgridSortDirection() { prop = prop.Name, direction = dir };
            }
        }

        return null;
    }
}

然后在Controller中：

public string GetJsonGridData(int current, int rowCount, [ModelBinder(typeof(BootgridSortModelBinder<SomeModel>))] BootgridSortDirection sort, string searchPhrase = null)

如何将POST参数转换为Action参数

3 个答案: