我需要生成这个URL：http：// localhost：3178 / Reports /？GroupId = 1211& GroupId = 1237
我尝试着：
var routeData = new RouteValueDictionary();
routeData.Add("GroupId","1,2");
得到：GroupId = 1,2
要么
routeData.Add("GroupId","1");
routeData.Add("GroupId","2");
乃至
routeData.Add("GroupId[0]","1");
routeData.Add("GroupId[1]","2");
得到：？GroupId [0] = 1& GroupId [1] = 2
有可能以某种方式修复我的问题？
解决方法
RouteValueDictionary旨在为路由提供信息.因此,我认为它没有你所要求的能力.我一直在使用自定义帮助器根据我传入的内容填充查询字符串数据：
public static string BuildPath(RequestContext context,string routeName,RouteValueDictionary routeValues,object additionalParams)
{
var vpd = RouteTable.Routes[routeName].GetVirtualPath(context,routeValues);
if (vpd == null)
return string.Empty;
var virtualpath = vpd.VirtualPath;
var addparams = BuildAdditionalParams(additionalParams);
if (!virtualpath.Contains("?") && addparams.Length > 0)
virtualpath = virtualpath + "?" + addparams;
else if (virtualpath.Contains("?") && addparams.Length > 0)
virtualpath = virtualpath + "&" + addparams;
return "/" + virtualpath;
}
protected static string BuildAdditionalParams(object additionalParams)
{
if (additionalParams == null)
return string.Empty;
StringBuilder sb = new StringBuilder();
Type type = additionalParams.GetType();
PropertyInfo[] props = type.GetProperties();
Action<string,string> addProperty = (name,value) =>
{
if (sb.Length > 0)
sb.Append("&");
sb.Append(name);
sb.Append("=");
sb.Append(value);
};
foreach (PropertyInfo prop in props)
{
var simplevalue = prop.GetValue(additionalParams,null);
if (simplevalue != null)
{
Type propertyType = prop.PropertyType;
if (Nullable.GetUnderlyingType(propertyType) != null)
{
propertyType = Nullable.GetUnderlyingType(propertyType);
}
if (propertyType.IsEnum)
{
addProperty(prop.Name,((int)simplevalue).ToString());
}
else if (propertyType.IsArray && propertyType != typeof(string))
{
foreach (var val in prop.GetValue(additionalParams,null) as IEnumerable)
addProperty(prop.Name,val.ToString());
}
else
{
if (!string.IsNullOrEmpty(simplevalue.ToString()))
addProperty(prop.Name,simplevalue.ToString());
}
}
}
return sb.ToString();
}
此函数将构建路径的完整路径,并将additionalParams对象中的值作为查询字符串数据附加.这可以通过执行其ToString方法来处理数组,枚举,可空值和其他类型.
希望这可以帮助！
