說明:很遺憾,組裝的時候只能遍歷。
方法:
public static String listToString(List<String> list){ if(list==null){ return null; } StringBuilder result = new StringBuilder(); boolean first = true; //第一個前面不拼接"," for(String string :list) { if(first) { first=false; }else{ result.append(","); } result.append(string); } return result.toString(); }
public static List<String> stringToList(String strs){ String str[] = strs.split(","); return Arrays.asList(str); }
參考: