var jsonD = {
	"texFiles": {
		"沙发_03_01.jpg": "u6c99u53d1u005fu0030u0033u005fu0030u0031u002eu006au0070u0067",
		"纯色黑白灰.jpg": "u7eafu8272u9ed1u767du7070u002eu006au0070u0067",
		"沙发_03_02.jpg": "u6c99u53d1u005fu0030u0033u005fu0030u0032u002eu006au0070u0067",
		"沙发_03_03.jpg": "u6c99u53d1u005fu0030u0033u005fu0030u0033u002eu006au0070u0067"
	}
}

JsonData jd = new JsonData();
JsonData modeInfo = JsonMapper.ToObject(jsonD);
if (modeInfo.ContainsKey("texFiles")) { 
	IDictionary dic = modeInfo;
	foreach (var item in dic.Values)
	{
	   IDictionary ite = item as IDictionary;
	   foreach (var temp in ite.Keys)
	   {
	       jd[temp.ToString()] = ite[temp].ToString();
	       Debug.Log("keys: "+temp+"---"+"values: "+ ite[temp]);
	   }
	}
}