字符串按指定长度截取

smartKen0605

于 2020-01-08 11:05:59 发布

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CC 4.0 BY-SA版权

原文链接：https://www.cnblogs.com/ljtletters/p/7109875.html?utm_source=itdadao&utm_medium=referral

public static List<String> getStrList(String inputString, int length) {
   int size = inputString.length() / length;
   if (inputString.length() % length != 0) {
      size += 1;
   }
   return getStrList(inputString, length, size);
}
public static List<String> getStrList(String inputString, int length,
                             int size) {
   List<String> list = new ArrayList<String>();
   for (int index = 0; index < size; index++) {
      String childStr = substring(inputString, index * length,
            (index + 1) * length);
      list.add(childStr);
   }
   return list;
}
public static String substring(String str, int f, int t) {
   if (f > str.length())
      return null;
   if (t > str.length()) {
      return str.substring(f, str.length());
   } else {
      return str.substring(f, t);
   }
}