需求
1、长度大于8,且小于32
2、不能包含用户名
3、不能包含连续3位及以上相同字母或数字
4、不能包含3个及以上字典连续字符
4、数字、小写字母、大写字母、特殊字符,至少包含三种
package com.yy.springboottest.util;
/**
* @author ode
* @create 2024-03-13 21:27
*/
public class RegexUtil {
/**
* 数字
*/
private static final String REG_NUMBER = ".*\\d+.*";
/**
* 小写字母
*/
private static final String REG_UPPERCASE = ".*[A-Z]+.*";
/**
* 大写字母
*/
private static final String REG_LOWERCASE = ".*[a-z]+.*";
/**
* 特殊符号(~!@#$%^&*()_+|<>,.?/:;'[]{}\)
*/
private static final String REG_SYMBOL = ".*[~!@#$%^&*()_+|<>,.?/:;'\\[\\]{}\"]+.*";
/**
* 键盘字符表(小写)
* 非shift键盘字符表
*/
private static final char[][] CHAR_TABLE1 = new char[][]{
{'1', '2', '3', '4', '5', '6', '7', '8', '9', '0', '-', '=', '\0'},
{'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '[', ']', '\\'},
{'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', '\'', '\0', '\0'},
{'z', 'x', 'c', 'v', 'b', 'n', 'm', ',', '.', '/', '\0', '\0', '\0'}};
/**
* shift键盘的字符表
*/
private static final char[][] CHAR_TABLE2 = new char[][]{
{'!', '@', '#', '$', '%', '^', '&', '*', '(', ')', '_', '+', '\0'},
{'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', 'o', 'p', '{', '}', '|'},
{'a', 's', 'd', 'f', 'g', 'h', 'j', 'k', 'l', ':', '"', '\0', '\0'},
{'z', 'x', 'c', 'v', 'b', 'n', 'm', '<', '>', '?', '\0', '\0', '\0'}};
public static void main(String[] args) {
String password = "qaz124edYY";
System.out.println(checkPasswordRule(password, " "));
}
/**
* 校验密码
*
* @param password 密码
* @param username 用户名
*/
public static boolean checkPasswordRule(String password, String username) {
if (password == null || password.length() < 8 || password.length() > 32) {
System.out.println("长度小于8,或大于32");
return false;
}
if (password.contains(username)) {
System.out.println("包含用户名");
return false;
}
if (isContinuousChar(password)) {
System.out.println("包含3个及以上相同或字典连续字符");
return false;
}
if (isKeyBoardContinuousChar(password)) {
System.out.println("包含3个及以上键盘连续字符");
return false;
}
int i = 0;
if (password.matches(REG_NUMBER)) i++;
if (password.matches(REG_LOWERCASE)) i++;
if (password.matches(REG_UPPERCASE)) i++;
if (password.matches(REG_SYMBOL)) i++;
if (i < 3) {
System.out.println("数字、小写字母、大写字母、特殊字符,至少包含三种");
return false;
}
return true;
}
/**
* 是否包含3个及以上相同或字典连续字符
*/
private static boolean isContinuousChar(String password) {
char[] chars = password.toCharArray();
for (int i = 0; i < chars.length - 2; i++) {
int n1 = chars[i];
int n2 = chars[i + 1];
int n3 = chars[i + 2];
// 判断重复字符
if (n1 == n2 && n1 == n3) {
return true;
}
// 判断连续字符: 正序 + 倒序
if ((n1 + 1 == n2 && n1 + 2 == n3) || (n1 - 1 == n2 && n1 - 2 == n3)) {
return true;
}
}
return false;
}
/**
* 是否包含3个及以上键盘连续字符
*
* @param password 待匹配的字符串
*/
private static boolean isKeyBoardContinuousChar(String password) {
if (password == null) {
return false;
}
//考虑大小写,都转换成小写字母
char[] lpStrChars = password.toLowerCase().toCharArray();
// 获取字符串长度
int nStrLen = lpStrChars.length;
// 定义位置数组:row - 行,col - column 列
int[] pRowCharPos = new int[nStrLen];
int[] pColCharPos = new int[nStrLen];
for (int i = 0; i < nStrLen; i++) {
char chLower = lpStrChars[i];
pColCharPos[i] = -1;
// 检索在表1中的位置,构建位置数组
for (int nRowTable1Idx = 0; nRowTable1Idx < 4; nRowTable1Idx++) {
for (int nColTable1Idx = 0; nColTable1Idx < 13; nColTable1Idx++) {
if (chLower == CHAR_TABLE1[nRowTable1Idx][nColTable1Idx]) {
pRowCharPos[i] = nRowTable1Idx;
pColCharPos[i] = nColTable1Idx;
}
}
}
// 在表1中没找到,到表二中去找,找到则continue
if (pColCharPos[i] >= 0) {
continue;
}
// 检索在表2中的位置,构建位置数组
for (int nRowTable2Idx = 0; nRowTable2Idx < 4; nRowTable2Idx++) {
for (int nColTable2Idx = 0; nColTable2Idx < 13; nColTable2Idx++) {
if (chLower == CHAR_TABLE2[nRowTable2Idx][nColTable2Idx]) {
pRowCharPos[i] = nRowTable2Idx;
pColCharPos[i] = nColTable2Idx;
}
}
}
}
// 匹配坐标连线
for (int j = 1; j <= nStrLen - 2; j++) {
//同一行
if (pRowCharPos[j - 1] == pRowCharPos[j] && pRowCharPos[j] == pRowCharPos[j + 1]) {
// 键盘行正向连续(asd)或者键盘行反向连续(dsa)
if ((pColCharPos[j - 1] + 1 == pColCharPos[j] && pColCharPos[j] + 1 == pColCharPos[j + 1]) ||
(pColCharPos[j + 1] + 1 == pColCharPos[j] && pColCharPos[j] + 1 == pColCharPos[j - 1])) {
return true;
}
}
//同一列
if (pColCharPos[j - 1] == pColCharPos[j] && pColCharPos[j] == pColCharPos[j + 1]) {
//键盘列连续(qaz)或者键盘列反向连续(zaq)
if ((pRowCharPos[j - 1] + 1 == pRowCharPos[j] && pRowCharPos[j] + 1 == pRowCharPos[j + 1]) ||
(pRowCharPos[j - 1] - 1 == pRowCharPos[j] && pRowCharPos[j] - 1 == pRowCharPos[j + 1])) {
return true;
}
}
}
return false;
}
}