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我想创建一个基于集合的图例,下面的代码进入Shapefile并提取特定的列数据,然后我们为数据分配一个颜色。这是我在控制器中创建的,我想知道是否可以创建基于这个集合的HTML图例,我想这样做的方式是创建与我们想要传说的每个图层的单选按钮。我知道这可能是模糊的,但我真的不知道如何描述它。动态创建一个基于集合的颜色图例
任何建议,将不胜感激
private Collection<ValueItem> colorSelect(Collection<Feature> allFeatures, string layercode,Collection<ValueItem> valueItems)
{
List<string> values = new List<string>();
foreach (Feature f in allFeatures)
{
if (f.ColumnValues.ContainsKey(layercode))
{
if (!values.Contains(f.ColumnValues[layercode].ToString()))
{
values.Add(f.ColumnValues[layercode].ToString());
}
}
}
if (values.Count > 0)
{
Random randomGen = new Random();
int count = 0;
foreach (string esnCode in values)
{
//int count = 0;
if (count == 0)
{
ValueItem item = new ValueItem(esnCode, AreaStyles.CreateSimpleAreaStyle(GeoColor.StandardColors.Green, GeoColor.StandardColors.Black, 3));
valueItems.Add(item);
}
if (count == 1)
{
ValueItem item = new ValueItem(esnCode, AreaStyles.CreateSimpleAreaStyle(GeoColor.StandardColors.Pink, GeoColor.StandardColors.Black, 3));
valueItems.Add(item);
}
if (count == 2)
{
ValueItem item = new ValueItem(esnCode, AreaStyles.CreateSimpleAreaStyle(GeoColor.StandardColors.Blue, GeoColor.StandardColors.Black, 3));
valueItems.Add(item);
}
if (count == 3)
{
ValueItem item = new ValueItem(esnCode, AreaStyles.CreateSimpleAreaStyle(GeoColor.StandardColors.Yellow, GeoColor.StandardColors.Black, 3));
valueItems.Add(item);
}
if (count == 4)
{
ValueItem item = new ValueItem(esnCode, AreaStyles.CreateSimpleAreaStyle(GeoColor.StandardColors.Violet, GeoColor.StandardColors.Black, 3));
valueItems.Add(item);
}
if (count == 5)
{
ValueItem item = new ValueItem(esnCode, AreaStyles.CreateSimpleAreaStyle(GeoColor.StandardColors.Red, GeoColor.StandardColors.Black, 3));
valueItems.Add(item);
}
if (count == 6)
{
ValueItem item = new ValueItem(esnCode, AreaStyles.CreateSimpleAreaStyle(GeoColor.StandardColors.Aqua, GeoColor.StandardColors.Black, 3));
valueItems.Add(item);
}
if (count == 7)
{
ValueItem item = new ValueItem(esnCode, AreaStyles.CreateSimpleAreaStyle(GeoColor.StandardColors.Black, GeoColor.StandardColors.Black, 3));
valueItems.Add(item);
}
if (count == 8)
{
ValueItem item = new ValueItem(esnCode, AreaStyles.CreateSimpleAreaStyle(GeoColor.StandardColors.Brown, GeoColor.StandardColors.Black, 3));
valueItems.Add(item);
}
if (count == 9)
{
ValueItem item = new ValueItem(esnCode, AreaStyles.CreateSimpleAreaStyle(GeoColor.StandardColors.Coral, GeoColor.StandardColors.Black, 3));
valueItems.Add(item);
}
if (count == 10)
{
ValueItem item = new ValueItem(esnCode, AreaStyles.CreateSimpleAreaStyle(GeoColor.StandardColors.DarkKhaki, GeoColor.StandardColors.Black, 3));
valueItems.Add(item);
}
count++;
}
}
return (valueItems);
}
不好意思问,但你会如何用模型做这件事? – 2014-10-31 20:53:56
如果你有一个模型,那么在控制器中,你应该像下面这样将它传递给视图:return View(myModelObject); 并且在顶部的视图中,您应该指定视图期望的类型,而不是ViewBag.colorList使用Model.ColorList,或者只是Model,如果Model是颜色列表本身:) – 2014-11-02 19:23:28