private void CreateJson(IList <IDataSource> dataPool, string destPath)
{
string treePath = Path.Combine(destPath, @"tree.js");
List <JsonExportTree> tree = new List <JsonExportTree>();
foreach (IDataSource ds in dataPool)
{
if (ds == null)
{
continue;
}
JsonExportTree t = new JsonExportTree()
{
text = ds.PluginInfo.Name, location = "", icon = ds.PluginInfo.Icon ?? "", tags = new string[] { ds.Total.ToString() }
};
if (ds is TreeDataSource td)
{
CreateTreeNodeJson(td.TreeNodes, destPath, t);
}
else if (ds is SimpleDataSource sd)
{
CreateItemJson(sd.Items, destPath, t);
}
tree.Add(t);
}
System.IO.File.WriteAllText(treePath, $"var __data = {Serializer.JsonFastSerilize(tree)};");
}
private void CreateItemJson(IDataItems items, string dir, JsonExportTree t, Type itemType = null)
{
if (items == null)
{
return;
}
t.location = items.Key;
string path = Path.Combine(dir, $"{items.Key}.js");; // 文件：\data\3bd9a209-cdaf-42ab-b232-1aa4636f5a17.js
using (StreamWriter sw = new StreamWriter(path, false, Encoding.UTF8))
{
#region 生成数据json
sw.Write("var __data = [");
int r = 0;
//items.Filter();
foreach (var c in items.View)
{
if (r != 0)
{
sw.Write(",");
}
sw.Write(Serializer.JsonSerilize(c));
r++;
}
sw.Write("];");
#endregion
#region 生成列属性json
if (itemType == null) //如果没有传入类型，则根据泛型参数类型来获取
{
if (items.GetType().IsGenericType)
{
itemType = items.GetType().GetGenericArguments()[0];
}
else
{
throw new Exception("暂时先不处理的类型问题");
}
}
sw.Write("var __columns = ");
List <JsonExportColumn> cols = new List <JsonExportColumn>();
foreach (var c in DisplayAttributeHelper.FindDisplayAttributes(itemType))
{
if (c.Visibility != EnumDisplayVisibility.ShowInDatabase)
{
cols.Add(new JsonExportColumn()
{
field = c.PropertyName, title = c.Text
});
}
}
sw.Write(Serializer.JsonFastSerilize(cols));
sw.Write(";");
#endregion
}
}
private void CreateTreeNodeJson(List <TreeNode> nodes, string path, JsonExportTree t)
{
if (nodes == null)
{
return;
}
if (nodes.Count > 0 && t.nodes == null)
{
t.nodes = new List <JsonExportTree>();
}
foreach (TreeNode n in nodes)
{
JsonExportTree t0 = (new JsonExportTree()
{
text = n.Text, location = "", icon = t.icon, tags = new string[] { n.Total.ToString() }
});
CreateItemJson(n.Items, path, t0, (Type)n.Type);
CreateTreeNodeJson(n.TreeNodes, path, t0);
t.nodes.Add(t0);
}
}