add files

GIGA/Common/GiGaHelper.m

@@ -230,10 +230,9 @@
     }
     //⚠️ 13.2.0库编码采用  isoLatin1
     
+    NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
     
-    //NSData *jsonData = [jsonString dataUsingEncoding:NSUTF8StringEncoding];
-    
-    NSData *jsonData = [jsonString dataUsingEncoding:NSISOLatin1StringEncoding];
+    //NSData *jsonData = [jsonString dataUsingEncoding:NSISOLatin1StringEncoding];
     NSError *err;
     NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:jsonData
                                                         options:NSJSONReadingMutableContainers
@@ -254,4 +253,16 @@
     return [NSString stringWithUTF8String:[oldStr cStringUsingEncoding:enc]];
 }
 
+
++(BOOL)checkPassWord:(NSString *)pass
+{
+    //6-20位数字和字母组成
+    NSString *regex = @"^(?![0-9]+$)(?![a-zA-Z]+$)[0-9A-Za-z]{6,20}$";
+    NSPredicate *   pred = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", regex];
+    if ([pred evaluateWithObject:pass]) {
+        return YES ;
+    }else
+        return NO;
+}
+
 @end