IOS工具方法小节

最新推荐文章于 2025-07-25 09:59:24 发布

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本文汇总了一系列iOS开发中常用的工具方法，包括日期处理、电话号码验证、数字格式化、邮箱验证、3DES加密解密、字符串操作及图片处理等实用功能。

IOS工具方法

时间方法

/**
 *  获得日期对象
 *
 *  @return 日期
 */
+ (NSDateComponents *)getComponents
{
    //1.获取当前月
    return [[NSCalendar currentCalendar] components:
                                  NSYearCalendarUnit|
                                  NSMonthCalendarUnit|
                                  NSDayCalendarUnit|
                                  NSWeekdayCalendarUnit|
                                  NSWeekOfMonthCalendarUnit fromDate:[NSDate date]];
}

#pragma mark - 根据月份的数字获得中文的月份

+ (NSString *)getMonthByMonthDigtal:(NSInteger)month
{
    NSString *monthStr = nil;
    switch (month) {
        case 1:
            monthStr = @"一月";
            break;
        case 2:
            monthStr = @"二月";
            break;
        case 3:
            monthStr = @"三月";
            break;
        case 4:
            monthStr = @"四月";
            break;
        case 5:
            monthStr = @"五月";
            break;
        case 6:
            monthStr = @"六月";
            break;
        case 7:
            monthStr = @"七月";
            break;
        case 8:
            monthStr = @"八月";
            break;
        case 9:
            monthStr = @"九月";
            break;
        case 10:
            monthStr = @"十月";
            break;
        case 11:
            monthStr = @"十一月";
            break;
        case 12:
            monthStr = @"十二月";
            break;
        default:
            break;
    }
    return monthStr;
}
/**
 *  获取每月的最后一天
 *
 *  @param month 月
 *
 *  @return 最后一天
 */
+ (NSInteger)getMonthLastDay:(NSInteger)month
{
    NSInteger lastDay = 0;
    switch (month) {
        case 1:
        case 3:
        case 5:
        case 7:
        case 8:
        case 10:
        case 12:
            lastDay = 31;
            break;
        case 2:
            lastDay = 28;
            break;
        case 4:
        case 6:
        case 9:
        case 11:
            lastDay = 30;
            break;

        default:
            break;
    }
    return lastDay;
}

/**
 *  获得当前月的结束时间
 *
 *  @return 结束时间
 */
+ (long long)getCurrentMonthEndTime
{
    NSDateComponents *compnents = [self getComponents];
    NSString *timeStr = [NSString stringWithFormat:@"%zd-%zd-%zd 23:59:59",compnents.year,compnents.month,[ETool getMonthLastDay:compnents.month]];

    NSDate *timeDate = [EKBTimeFormatter getDateTimeFromDateStr:timeStr];
    long long currentTime = [EKBTimeFormatter getDateTimeTOMilliSeconds:timeDate];

    return currentTime;
}
/**
 *  获得当年的开始时间
 *
 *  @return 当前年的开始时间
 */
+ (long long)getCurrentYearStartTime
{
    NSDateComponents *compnents = [self getComponents];

    NSString *startStr = [NSString stringWithFormat:@"%zd-01-01 00:00:00",compnents.year];
    NSDate *startTime = [EKBTimeFormatter getDateTimeFromDateStr:startStr];

    return [EKBTimeFormatter getDateTimeTOMilliSeconds:startTime];
}

电话号码判断

+ (BOOL)isMobileNumber:(NSString *)mobileNum
{
    /**
     * 手机号码
     * 移动：134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
     * 联通：130,131,132,152,155,156,185,186
     * 电信：133,1349,153,180,189
     */
    NSString * MOBILE = @"^1(3[0-9]|5[0-35-9]|7[06-8]|8[025-9])\\d{8}$";
    /**
     * 中国移动：China Mobile
     * 134[0-8],135,136,137,138,139,150,151,157,158,159,182,187,188
     */
    NSString * CM = @"^1(34[0-8]|(3[5-9]|5[017-9]|8[278])\\d)\\d{7}$";
    /**
     * 中国联通：China Unicom
     * 130,131,132,152,155,156,185,186
     */
    NSString * CU = @"^1(3[0-2]|5[256]|8[56])\\d{8}$";
    /**
     * 中国电信：China Telecom
     * 133,1349,153,180,189
     */
    NSString * CT = @"^1((33|53|8[019])[0-9]|349)\\d{7}$";
    /**
     * 虚拟运营商
     * 中国电信：1700
     * 中国联通：1709
     * 中国移动：1705
     */
    NSString * VNO = @"^1(700|705|709)\\d{7}$";
    /**
     *  测试用:199开头
     */
    NSString *testNu = @"^1(99)\\d{8}$";

    NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBILE];
    NSPredicate *regextestcm = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CM];
    NSPredicate *regextestcu = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CU];
    NSPredicate *regextestct = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", CT];
    NSPredicate *regextestvno = [NSPredicate predicateWithFormat:@"SELF MATCHES%@", VNO];
    NSPredicate *regextestTestNu = [NSPredicate predicateWithFormat:@"SELF MATCHES%@", testNu];

    if (([regextestmobile evaluateWithObject:mobileNum] == YES)
        || ([regextestcm evaluateWithObject:mobileNum] == YES)
        || ([regextestct evaluateWithObject:mobileNum] == YES)
        || ([regextestcu evaluateWithObject:mobileNum] == YES)
        || ([regextestvno evaluateWithObject:mobileNum] == YES)
        || ([regextestTestNu evaluateWithObject:mobileNum] == YES))
    {
        return YES;
    }
    else
    {
        return NO;
    }
}

数字格式化

 *  格式化数字为千位分隔符数字
 *
 *  @param number 要格式化的数字
 *
 *  @return 格式化之后的字符串
 */
+ (NSString *)formatThousandSeparatorFromDigital:(NSNumber *)number
{
    NSNumberFormatter *formatter = [[NSNumberFormatter alloc]init];
    [formatter setPositiveFormat:@"###,##0.00;"];
    return [formatter stringFromNumber:number];
}

/**
 *  从千位分隔符字符串中获取数字
 *
 *  @param number 千位分隔符字符串
 *
 *  @return 数字
 */
+ (NSNumber *)formatThousandSeparatorFromString:(NSString *)numberString
{
    NSNumberFormatter *formatter = [[NSNumberFormatter alloc]init];
    [formatter setPositiveFormat:@"###,##0.00;"];
    return [formatter numberFromString:numberString];
}

邮箱合法性

/**
 *  验证邮箱的合法性
 *
 *  @param email 要验证的邮箱
 *
 *  @return 是否是邮箱
 */
+ (BOOL)isValidateEmail:(NSString *)email
{
    NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
    NSPredicate *emailPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
    return [emailPredicate evaluateWithObject:email];
}

3DES加密解密算法

// 加密方法
- (NSString*)encrypt{
    NSData* data = [self dataUsingEncoding:NSUTF8StringEncoding];
    size_t plainTextBufferSize = [data length];
    const void *vplainText = (const void *)[data bytes];

    CCCryptorStatus ccStatus;
    uint8_t *bufferPtr = NULL;
    size_t bufferPtrSize = 0;
    size_t movedBytes = 0;

    bufferPtrSize = (plainTextBufferSize + kCCBlockSize3DES) & ~(kCCBlockSize3DES - 1);
    bufferPtr = malloc( bufferPtrSize * sizeof(uint8_t));
    memset((void *)bufferPtr, 0x0, bufferPtrSize);

    const void *vkey = (const void *) [EKBThirdAccountInfo12306PasswordKey UTF8String];
    const void *vinitVec = (const void *) [gIv UTF8String];

    ccStatus = CCCrypt(kCCEncrypt,
                       kCCAlgorithm3DES,
                       kCCOptionPKCS7Padding,
                       vkey,
                       kCCKeySize3DES,
                       vinitVec,
                       vplainText,
                       plainTextBufferSize,
                       (void *)bufferPtr,
                       bufferPtrSize,
                       &movedBytes);

    NSData *myData = [NSData dataWithBytes:(const void *)bufferPtr length:(NSUInteger)movedBytes];
    NSString *result = [GTMBase64 stringByEncodingData:myData];
    return result;
}

// 解密方法
- (NSString*)decrypt
{
    NSData *encryptData = [GTMBase64 decodeData:[self dataUsingEncoding:NSUTF8StringEncoding]];
    size_t plainTextBufferSize = [encryptData length];
    const void *vplainText = [encryptData bytes];

    CCCryptorStatus ccStatus;
    uint8_t *bufferPtr = NULL;
    size_t bufferPtrSize = 0;
    size_t movedBytes = 0;

    bufferPtrSize = (plainTextBufferSize + kCCBlockSize3DES) & ~(kCCBlockSize3DES - 1);
    bufferPtr = malloc( bufferPtrSize * sizeof(uint8_t));
    memset((void *)bufferPtr, 0x0, bufferPtrSize);

    const void *vkey = (const void *) [EKBThirdAccountInfo12306PasswordKey UTF8String];
    const void *vinitVec = (const void *) [gIv UTF8String];

    ccStatus = CCCrypt(kCCDecrypt,
                       kCCAlgorithm3DES,
                       kCCOptionPKCS7Padding,
                       vkey,
                       kCCKeySize3DES,
                       vinitVec,
                       vplainText,
                       plainTextBufferSize,
                       (void *)bufferPtr,
                       bufferPtrSize,
                       &movedBytes);

    NSString *result = [[NSString alloc] initWithData:[NSData dataWithBytes:(const void *)bufferPtr
                                                                     length:(NSUInteger)movedBytes] encoding:NSUTF8StringEncoding];
    return result;
}

字符串宽高算法

- (CGSize)sizeWithFont:(UIFont *)font maxRectSize:(CGSize)maxSize
{
    NSDictionary *attributes = @{NSFontAttributeName:font};
    return [self boundingRectWithSize:maxSize options:NSStringDrawingUsesLineFragmentOrigin attributes:attributes context:nil].size;
}

字符串匹配(谓词)传入正则字符串

//获得第一个匹配项
- (NSString *)firstMatchWithPattern:(NSString *)pattern
{
    NSError *error;
    //1.指定匹配方案
    NSRegularExpression *regular = [[NSRegularExpression alloc] initWithPattern:pattern options:NSRegularExpressionCaseInsensitive | NSRegularExpressionDotMatchesLineSeparators  error:&error];
    if (error) {
        NSLog(@"%@",error.localizedDescription);
        return nil;
    }
    NSTextCheckingResult *result = [regular firstMatchInString:self options:NSRegularExpressionDotMatchesLineSeparators | NSRegularExpressionCaseInsensitive range:NSMakeRange(0, self.length)];
    if (result) {
        NSRange range = [result rangeAtIndex:1];
        return [self substringWithRange:range];
    }
    return nil;
}
#pragma mark - 匹配多项
- (NSArray *)matchsWithPattern:(NSString *)pattern
{
    NSError *error;
    //1.指定匹配方案
    NSRegularExpression *regular = [[NSRegularExpression alloc] initWithPattern:pattern options:NSRegularExpressionCaseInsensitive | NSRegularExpressionDotMatchesLineSeparators  error:&error];

    if (error) {
        NSLog(@"%@",error.localizedDescription);
        return nil;
    }

    //    NSTextCheckingResult *result = [regular firstMatchInString:html options:NSRegularExpressionDotMatchesLineSeparators | NSRegularExpressionCaseInsensitive range:NSMakeRange(0, html.length)];
    NSArray *array =  [regular matchesInString:self options:NSRegularExpressionDotMatchesLineSeparators | NSRegularExpressionCaseInsensitive range:NSMakeRange(0, self.length)];

    if ([array count] > 0) {
        return  array;
    }
    return nil;
}

#pragma mark 截断收尾空白字符
- (NSString *)trimString
{
    return [self stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]];
}

图片处理改变尺寸，拉伸位置

+ (UIImage *)resizeWithName:(NSString *)imageName
{
    return [self resizeWithName:imageName leftRate:0.5 topRatio:0.5];
}

+ (UIImage *)resizeWithName:(NSString *)imageName leftRate:(CGFloat)leftRate topRatio:(CGFloat)topRatio
{
    UIImage *image = [self imageWithName:imageName];
    CGFloat left = image.size.width * leftRate;
    CGFloat top = image.size.height * topRatio;
    return [image stretchableImageWithLeftCapWidth:left topCapHeight:top];
}

-(UIImage *)scaleImage:(UIImage *)image toScale:(float)scaleSize
{
    UIGraphicsBeginImageContext(CGSizeMake(image.size.width*scaleSize,image.size.height*scaleSize));
    [image drawInRect:CGRectMake(0, 0, image.size.width * scaleSize, image.size.height *scaleSize)];
    UIImage *scaledImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();
    return scaledImage;
}

- (UIImage *) imageWithTintColor:(UIColor *)tintColor
{
    UIGraphicsBeginImageContextWithOptions(self.size, NO, 0.0f);
    [tintColor setFill];
    CGRect bounds = CGRectMake(0, 0, self.size.width, self.size.height);
    UIRectFill(bounds);

    [self drawInRect:bounds blendMode:kCGBlendModeDestinationIn alpha:1.0f];

    UIImage *tintedImage = UIGraphicsGetImageFromCurrentImageContext();
    UIGraphicsEndImageContext();

    return tintedImage;
}

TableViewCell在Nib加载代码重用

@implementation UITableViewCell (Reuse)

+ (instancetype )cellWithTableView:(UITableView *)tableView
{
    return [self cellWithTableView:tableView createBlock:nil];
}

+ (instancetype )cellWithTableView:(UITableView *)tableView
                               createBlock:(UITableViewCell *(^)(NSString *reuseIdentifier))createBlock
{
    return [self cellWithTableView:tableView createBlock:createBlock initialBlock:nil];
}

+ (instancetype )cellWithTableView:(UITableView *)tableView
                              initialBlock:(void(^)(UITableViewCell *))initialBlock
{
    return [self cellWithTableView:tableView createBlock:nil initialBlock:initialBlock];
}

+ (instancetype )cellWithTableView:(UITableView *)tableView
                               createBlock:(UITableViewCell *(^)(NSString *reuseIdentifier))createBlock
                              initialBlock:(void(^)(UITableViewCell *))initialBlock
{
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:self.description];
    if (!cell) {
        NSString *xibPath = [[NSBundle mainBundle] pathForResource:[self xibName] ofType:@"nib"];
        if (xibPath) {
            cell = [self createViewFromXibWithOwner:nil];
        } else {
            if (createBlock) {
                cell = createBlock(self.description);
            } else {
                cell = [[self alloc] initWithStyle:UITableViewCellStyleDefault reuseIdentifier:self.description];
            }
        }
        if (initialBlock) {
            initialBlock(cell);
        }
    }
    return cell;
}

@end

UIView属性处理x, y, width, height,圆角，抖动动画设置

@implementation UIView (Self)

- (void)setX:(CGFloat)x
{
    CGRect frame = self.frame;
    frame.origin.x = x;
    self.frame = frame;
}
- (CGFloat)x
{
    return self.frame.origin.x;
}
- (void)setY:(CGFloat)y
{
    CGRect frame = self.frame;
    frame.origin.y = y;
    self.frame = frame;
}
- (CGFloat)y
{
    return self.frame.origin.y;
}
- (void)setCentreX:(CGFloat)centreX
{
    CGPoint center = self.center;
    center.x = centreX;
    self.center = center;

}
- (CGFloat)centreX
{
    return self.center.x;
}
- (void)setCentreY:(CGFloat)centreY
{
    CGPoint center = self.center;
    center.y = centreY;
    self.center = center;
}
- (CGFloat)centreY
{
    return self.center.y;
}

- (void)setWidth:(CGFloat)width
{
    CGRect frame = self.frame;
    frame.size.width = width;
    self.frame = frame;
}

- (CGFloat)width
{
    return self.frame.size.width;
}

- (void)setHeight:(CGFloat)height
{
    CGRect frame = self.frame;
    frame.size.height = height;
    self.frame = frame;
}

- (CGFloat)height
{
    return self.frame.size.height;
}

- (void)setSize:(CGSize)size
{
    CGRect frame = self.frame;
    frame.size = size;
    self.frame = frame;
}

- (CGSize)size
{
    return self.frame.size;
}

#pragma mark - 设置视图圆角

/**
 *  设置顶部圆角
 */
- (void)setCornerOnTop
{
    UIBezierPath *maskPath;
    maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds
                                     byRoundingCorners:(UIRectCornerTopLeft | UIRectCornerTopRight)
                                           cornerRadii:CGSizeMake(10.0f, 10.0f)];
    CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];
    maskLayer.frame = self.bounds;
    maskLayer.path = maskPath.CGPath;
    self.layer.mask = maskLayer;

}
/**
 *  设置底部圆角
 */
- (void)setCornerOnBottom
{
    UIBezierPath *maskPath;
    maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds
                                     byRoundingCorners:(UIRectCornerBottomLeft | UIRectCornerBottomRight)
                                           cornerRadii:CGSizeMake(10.0f, 10.0f)];
    CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];
    maskLayer.frame = self.bounds;
    maskLayer.path = maskPath.CGPath;
    self.layer.mask = maskLayer;

}
/**
 *  设置所有圆角
 */
- (void)setAllCorner
{
    UIBezierPath *maskPath;
    maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds
                                          cornerRadius:10.0];
    CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];
    maskLayer.frame = self.bounds;
    maskLayer.path = maskPath.CGPath;
    self.layer.mask = maskLayer;

}
/**
 *  设置没有圆角
 */
- (void)setNoneCorner
{
    self.layer.mask = nil;
}
/**
 *  设置左边圆角
 */
- (void)setCornerOnLeft
{
    UIBezierPath *maskPath;
    maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds
                                     byRoundingCorners:(UIRectCornerTopLeft | UIRectCornerBottomLeft)
                                           cornerRadii:CGSizeMake(5.0f, 5.0f)];
    CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];
    maskLayer.frame = self.bounds;
    maskLayer.path = maskPath.CGPath;
    self.layer.mask = maskLayer;
}
/**
 *  设置右边圆角
 */
- (void)setCornerOnRight
{
    UIBezierPath *maskPath;
    maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds   byRoundingCorners:(UIRectCornerTopRight | UIRectCornerBottomRight)                           cornerRadii:CGSizeMake(5.0f, 5.0f)];
    CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];
    maskLayer.frame = self.bounds;
    maskLayer.path = maskPath.CGPath;
    self.layer.mask = maskLayer;
}
/**
 *  晃动提醒动画
 */
-(void)shakeWithtTanslation:(CGFloat)translation
    if (translation) {
        [self.layer removeAllAnimations];
        CAKeyframeAnimation * animation = [CAKeyframeAnimation animationWithKeyPath:@"transform.translation.x"];
        CGFloat currentTx = self.transform.tx;

        animation.duration = 0.5;
        animation.values = @[ @(currentTx), @(currentTx + translation), @(currentTx-translation*0.5), @(currentTx + translation*0.5), @(currentTx) ];
        animation.keyTimes = @[ @(0), @(0.25), @(0.5), @(0.75), @(1) ];
        animation.timingFunction = [CAMediaTimingFunction functionWithName:kCAMediaTimingFunctionEaseInEaseOut];
        [self.layer addAnimation:animation forKey:@"shake"];
    }
}
@end