共计 1023 个字符,预计需要花费 3 分钟才能阅读完成。
download: 图灵学院 JAVA 高级架构师【第四期】最新完结无密
static public String decodeRubust(String str) {
if (str == null || str.length() < 1)
return null;
int num = Integer.valueOf(str.charAt(0) + "");
int step = (str.length() - 1) / num;
int helpStep = step;
String[] matrix = new String[num];
System.out.println(str.length() - 1);
int duo = (str.length() - 1) % num;
for (int i = 0, j = 1; i < matrix.length; i++, j = j + helpStep) {if (i < duo)
helpStep = step + 1;
else
helpStep = step;
matrix[i] = str.substring(j, j + helpStep);
System.out.println(matrix[i]);
}
// print(matrix);
return makeSense(matrix);
}
private static String makeSense(String[] matrix) {
StringBuffer sb = new StringBuffer();
for (int j = 0; j < matrix[0].length(); j++) {for (int i = 0; i < matrix.length; i++) {if (matrix[i].length() - 1 >= j)
sb.append(matrix[i].charAt(j));
}
}
System.out.println(sb.toString());
String tmp = new String();
try {tmp = URLDecoder.decode(sb.toString(), "UTF-8");
tmp = tmp.replaceAll("\\^", "0");
} catch (UnsupportedEncodingException e) {e.printStackTrace();
tmp = null;
}
if (tmp.subSequence(0, 7).equals("http://") && tmp.substring(tmp.length()-6).equals("0-null"))
return tmp;
else
return null;
}
正文完