List list = new ArrayList(); list = yourList;//你自己的list数组 int listCount = list.size(); String[] strList = new String[listCount]; String tmp=""; for(int i=0;i<listCount;i++){ tmp +=(String) list.get(i)+","; } strList = tmp.split(","); 原理:循环把理list里的字符串变成一个长字符串并且用","号隔开,再利用split(",")方法,变成字符串数组。