打开文件夹选择窗口

方法名称：open_folders

示例代码（JavaScript）

, openFolders: function ()

{

    var param = { name: "open_folders" };

    this.postMessage(param);

}

示例代码（C#）

static void open_folder_test()

{

    HttpUploaderAppLib.HttpPartitionClass part = new HttpUploaderAppLib.HttpPartitionClass();

    JObject o = new JObject();

    o["name"] = "open_folders";

    part.postMessage(o.ToString());

}