public String change(String t) {
		String str = "";
		if (t.equals("fz"))
			str = "服饰";
		else if (t.equals("xb"))
			str = "鞋包";
		else if (t.equals("zb"))
			str = "珠宝手表";
		else if (t.equals("sm"))
			str = "数码";
		else if (t.equals("dz"))
			str = "电子产品";
		else if (t.equals("ry"))
			str = "日用百货";
		else if (t.equals("wh"))
			str = "文化玩乐";
		else if (t.equals("qc"))
			str = "汽车用品";
		else if (t.equals("pg"))
			str = "苹果/配件";
		return str;
	}