iOS 银行卡号密文形式展示

最新推荐文章于 2024-07-29 15:18:44 发布

lvlemo

最新推荐文章于 2024-07-29 15:18:44 发布

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分类专栏： iOS

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本文介绍了一个银行模型的Objective-C实现，该模型包括银行的基本属性及一个用于将银行卡号部分替换为星号的方法。通过对银行卡号进行处理，增强用户隐私保护。

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#import <Foundation/Foundation.h>

@interface BankModel : NSObject
@property(nonatomic,assign) NSInteger bankId;
@property(nonatomic,copy) NSString* bankImg;
@property(nonatomic,copy) NSString* bankName;
@property(nonatomic,copy) NSString*progressQueryUrl;

@property(nonatomic,assign) NSInteger*bankCardInformationId;
@property(nonatomic,copy) NSString*cardHolder;
@property(nonatomic,copy) NSString*bankCardNumber;
@property(nonatomic,copy) NSString*reservePhoneNumber;
@property(nonatomic,copy) NSString*bankCardType;
@property(nonatomic,copy) NSString* bankIcon;

- (NSString*)getNewStarBankNumWitOldNum;

@end

#import "BankModel.h"
@implementation BankModel

-(NSString *)getNewStarBankNumWitOldNum{
    NSString *bankNum = self.bankCardNumber;
    NSMutableString *mutableStr;
    if (bankNum.length) {
        mutableStr = [NSMutableString stringWithString:bankNum];
        for (int i = 0 ; i < mutableStr.length; i ++) {
            if (i>3&&i<mutableStr.length - 4) {
                [mutableStr replaceCharactersInRange:NSMakeRange(i, 1) withString:@"*"];
            }
        }
        NSString *text = mutableStr;
        NSCharacterSet *characterSet = [NSCharacterSet characterSetWithCharactersInString:@"0123456789\b"];
        text = [text stringByReplacingOccurrencesOfString:@" " withString:@""];
        
        
        NSString *newString = @"";
        while (text.length > 0) {
            NSString *subString = [text substringToIndex:MIN(text.length, 4)];
            newString = [newString stringByAppendingString:subString];
            if (subString.length == 4) {
                newString = [newString stringByAppendingString:@" "];
            }
            text = [text substringFromIndex:MIN(text.length, 4)];
        }
        newString = [newString stringByTrimmingCharactersInSet:[characterSet invertedSet]];
        return newString;
    }
    return bankNum;
}
@end