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app/Tools/Tools.php

@@ -0,0 +1,43 @@
+<?php
+
+namespace App\Tools;
+class Tools
+{
+
+    //生成随机数
+    public static function generateRandStr($length = 8)
+    {
+        $chars = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789=-+';
+        $str = '';
+        for ($i = 0; $i < $length; $i++) {
+            $str .= $chars[mt_rand(0, strlen($chars) - 1)];
+        }
+        return $str;
+    }
+
+    static function filterDataParams($aData, $aParams)
+    {
+        foreach ($aParams as $sParam) {
+            if (isset($aData[$sParam])) {
+                $aData[$sParam] = self::hideStr($aData[$sParam]);
+            }
+        }
+        return $aData;
+    }
+
+    //字符串敏感部分中间隐藏
+    static function hideStr($sStr, $iStart = 5, $iEnd = 3, $sReplace = '*')
+    {
+        if (empty($sStr)) return $sStr;
+        $iStrLen = mb_strlen($sStr);
+        if ($iStrLen <= $iStart) return $sStr;
+        $iEnd = $iEnd > 0 ? $iEnd : $iStrLen - $iStart;
+        $sHideStr = '';
+        for ($i = 0; $i < $iEnd; $i++) {
+            $sHideStr .= $sReplace;
+        }
+        return mb_substr($sStr, 0, $iStart) . $sHideStr . mb_substr($sStr, $iStart + $iEnd);
+    }
+
+
+}