public String change2(String t) {
			if (t.equals("服饰"))
				t ="fz" ;
			else if (t.equals("鞋包"))
				t = "xb";
			else if (t.equals("珠宝手表"))
				t ="zb" ;
			else if (t.equals("数码"))
				t ="sm" ;
			else if (t.equals("电子产品"))
				t = "dz";
			else if (t.equals( "日用百货"))
				t ="ry";
			else if (t.equals("文化玩乐"))
				t ="wh" ;
			else if (t.equals("汽车用品"))
				t = "qc";
			else if (t.equals("苹果/配件"))
				t= "pg";
		  return t;
		}