Remove obsolete code and documentation

ruoyi-common/src/main/java/com/ruoyi/common/utils/PasswordStrengthUtils.java

@@ -0,0 +1,49 @@
+package com.ruoyi.common.utils;
+
+import java.util.regex.Pattern;
+
+/**
+ * 密码强度校验工具
+ */
+public class PasswordStrengthUtils
+{
+    public static final int STRONG_PASSWORD_MIN_LENGTH = 8;
+
+    public static final int STRONG_PASSWORD_MAX_LENGTH = 20;
+
+    public static final String STRONG_PASSWORD_MESSAGE = "新密码必须为8到20位，并同时包含大写字母、小写字母、数字和特殊字符，且不能包含空格或字符：< > \" ' \\ |";
+
+    private static final Pattern UPPER_CASE_PATTERN = Pattern.compile("[A-Z]");
+
+    private static final Pattern LOWER_CASE_PATTERN = Pattern.compile("[a-z]");
+
+    private static final Pattern DIGIT_PATTERN = Pattern.compile("\\d");
+
+    private static final Pattern SPECIAL_CHAR_PATTERN = Pattern.compile("[^A-Za-z0-9\\s<>\"'|\\\\]");
+
+    private static final Pattern ILLEGAL_CHAR_PATTERN = Pattern.compile("[\\s<>\"'|\\\\]");
+
+    private PasswordStrengthUtils()
+    {
+    }
+
+    public static boolean isStrongPassword(String password)
+    {
+        if (StringUtils.isEmpty(password))
+        {
+            return false;
+        }
+        if (password.length() < STRONG_PASSWORD_MIN_LENGTH || password.length() > STRONG_PASSWORD_MAX_LENGTH)
+        {
+            return false;
+        }
+        if (ILLEGAL_CHAR_PATTERN.matcher(password).find())
+        {
+            return false;
+        }
+        return UPPER_CASE_PATTERN.matcher(password).find()
+                && LOWER_CASE_PATTERN.matcher(password).find()
+                && DIGIT_PATTERN.matcher(password).find()
+                && SPECIAL_CHAR_PATTERN.matcher(password).find();
+    }
+}