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NSString常用的类别

NSString常用的类别

作者: 猪队友小L | 来源:发表于2017-08-19 11:06 被阅读17次
    
    #import <Foundation/Foundation.h>
    #import <CoreLocation/CoreLocation.h>
    
    @interface NSString (Extension)
    
    //根据字体返回宽高
    - (CGSize)textSizeWithFont:(UIFont *)font constrainedToSize:(CGSize)size lineBreakMode:(NSLineBreakMode)lineBreakMode;
    
    //是否是子串
    - (BOOL)isContainSubString:(NSString *)subString;
    
    //是否是表情
    - (BOOL)stringContainsEmoji;
    
    //是否是手机号
    - (BOOL)isMobileNumber;
    
    //是否是电话号码
    //- (BOOL)isFixPhoneNumber;
    
    //是否是邮箱
    - (BOOL)isAvailableEmail;
    
    //是否是纯数字
    - (BOOL)isNumText;
    /**
     是否是身份证
     */
    - (BOOL)isIdentityNumber;
    
    //最多显示两位小数
    +(NSString *)returnActualFormatNumber:(double)number;
    
    //保留几位小数
    +(NSString *)returnDetailFormatNumber:(double)number leaveCount:(NSInteger)count;
    
    //设置富文本
    + (NSMutableAttributedString *)setNbLabelTextProperty:(NSString *)text
                                                   string:(NSString *)string
                                                textColor:(UIColor *)color
                                                 textFont:(UIFont *)font;
    
    + (NSMutableAttributedString *)attributeStringWithText:(NSString *)text
                                             withLineSpace:(CGFloat )lineSpace
                                         withLineBreakMode:(NSLineBreakMode )lineBreakMode
                                                  withFont:(UIFont *)font;
    
    + (NSMutableAttributedString *)attributebLabelText:(NSString *)text
                                            withTextColor:(UIColor *)textColor
                                            withLineSpace:(CGFloat)lineSpace
                                             withTextFont:(UIFont *)textFont
                                     withExtraStringArray:(NSArray *)extraStringArr
                                      withExtraColorArray:(NSArray *)extraColorArr
                                       withExtraFontArray:(NSArray *)extraFont;
    /**
     是否是身份证
     */
    + (BOOL)validateIdentityCard:(NSString *)identityCard;
    
    //是否有空格
    - (BOOL)isHaveSpaceInString;
    
    //是否有中文字符
    - (BOOL)isHaveChineseInString;
    
    //是否是url
    - (BOOL)isWebUrlStr;
    @end
    
    
    #import "NSString+Extension.h"
    
    @implementation NSString (Extension)
    
    - (CGSize)textSizeWithFont:(UIFont *)font constrainedToSize:(CGSize)size lineBreakMode:(NSLineBreakMode)lineBreakMode
    {
        CGSize textSize;
        if ([Device isIOS7orLater]) {
            
            if (CGSizeEqualToSize(size, CGSizeZero)) {
                
                textSize =  [self sizeWithAttributes:@{NSFontAttributeName:font}];
            }
            else{
                
                NSStringDrawingOptions option = NSStringDrawingUsesLineFragmentOrigin;
                //NSStringDrawingTruncatesLastVisibleLine如果文本内容超出指定的矩形限制,文本将被截去并在最后一个字符后加上省略号。 如果指定了NSStringDrawingUsesLineFragmentOrigin选项,则该选项被忽略 NSStringDrawingUsesFontLeading计算行高时使用行间距。(译者注:字体大小+行间距=行高)
                NSDictionary *attributes = [NSDictionary dictionaryWithObject:font forKey:NSFontAttributeName];
                CGRect rect = [self boundingRectWithSize:size
                                                 options:option
                                              attributes:attributes
                                                 context:nil];
                textSize = rect.size;
            }
            
        }
        else{
    #if __IPHONE_OS_VERSION_MIN_REQUIRED < __IPHONE_7_0
            
            if (CGSizeEqualToSize(size, CGSizeZero)) {
                
                textSize =[self sizeWithFont:font];
            }
            else{
                
                textSize =[self  sizeWithFont:font constrainedToSize:size lineBreakMode:lineBreakMode];
            }
    #endif
        }
        return textSize;
    }
    
    - (BOOL)isContainSubString:(NSString *)subString{
        
        if([self rangeOfString:subString].location != NSNotFound)
        {
            return YES;
        }
        else
        {
            return NO;
        }
    }
    
    - (BOOL)stringContainsEmoji
    {
        __block BOOL returnValue = NO;
        
        [self enumerateSubstringsInRange:NSMakeRange(0, [self length])
                                   options:NSStringEnumerationByComposedCharacterSequences
                                usingBlock:^(NSString *substring, NSRange substringRange, NSRange enclosingRange, BOOL *stop) {
                                    const unichar hs = [substring characterAtIndex:0];
                                    if (0xd800 <= hs && hs <= 0xdbff) {
                                        if (substring.length > 1) {
                                            const unichar ls = [substring characterAtIndex:1];
                                            const int uc = ((hs - 0xd800) * 0x400) + (ls - 0xdc00) + 0x10000;
                                            if (0x1d000 <= uc && uc <= 0x1f77f) {
                                                returnValue = YES;
                                            }
                                        }
                                    } else if (substring.length > 1) {
                                        const unichar ls = [substring characterAtIndex:1];
                                        if (ls == 0x20e3) {
                                            returnValue = YES;
                                        }
                                    } else {
                                        if (0x2100 <= hs && hs <= 0x27ff) {
                                            returnValue = YES;
                                        } else if (0x2B05 <= hs && hs <= 0x2b07) {
                                            returnValue = YES;
                                        } else if (0x2934 <= hs && hs <= 0x2935) {
                                            returnValue = YES;
                                        } else if (0x3297 <= hs && hs <= 0x3299) {
                                            returnValue = YES;
                                        } else if (hs == 0xa9 || hs == 0xae || hs == 0x303d || hs == 0x3030 || hs == 0x2b55 || hs == 0x2b1c || hs == 0x2b1b || hs == 0x2b50) {
                                            returnValue = YES;
                                        }
                                    }
                                }];
        
        if ([@"➋➌➍➎➏➐➑➒" isContainSubString:self]) {
            
            returnValue = NO;
        }
        return returnValue;
    }
    
    //- (BOOL)isMobileNumber
    //{
    //    NSString *phoneRegex = @"^((13[0-9])|(15[^4,\\D])|(18[0,0-9]))\\d{8}$";
    //    NSPredicate *phoneTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];
    //    return [phoneTest evaluateWithObject:self];
    //}
    
    - (BOOL)isMobileNumber
    {
        if (self.length != 11)
        {
            return NO;
        }
        return YES;
        
        /**
         * 手机号码:
         * 13[0-9], 14[5,7], 15[0, 1, 2, 3, 5, 6, 7, 8, 9], 17[6, 7, 8], 18[0-9], 170[0-9]
         * 移动号段: 134,135,136,137,138,139,150,151,152,157,158,159,182,183,184,187,188,147,178,1705
         * 联通号段: 130,131,132,155,156,185,186,145,176,1709
         * 电信号段: 133,153,180,181,189,177,1700
         */
        NSString *MOBILE = @"^1(3[0-9]|4[57]|5[0-35-9]|8[0-9]|70)\\d{8}$";
        /**
         * 中国移动:China Mobile
         * 134,135,136,137,138,139,150,151,152,157,158,159,182,183,184,187,188,147,178,1705
         */
        NSString *CM = @"(^1(3[4-9]|4[7]|5[0-27-9]|7[8]|8[2-478])\\d{8}$)|(^1705\\d{7}$)";
        /**
         * 中国联通:China Unicom
         * 130,131,132,155,156,185,186,145,176,1709
         */
        NSString *CU = @"(^1(3[0-2]|4[5]|5[56]|7[6]|8[56])\\d{8}$)|(^1709\\d{7}$)";
        /**
         * 中国电信:China Telecom
         * 133,153,180,181,189,177,1700
         */
        NSString *CT = @"(^1(33|53|77|73||8[019])\\d{8}$)|(^1700\\d{7}$)";
        
        
        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];
        
        if (([regextestmobile evaluateWithObject:self] == YES)
            || ([regextestcm evaluateWithObject:self] == YES)
            || ([regextestct evaluateWithObject:self] == YES)
            || ([regextestcu evaluateWithObject:self] == YES))
        {
            return YES;
        }
        else
        {
            return NO;
        }
    }
    - (BOOL)isWebUrlStr{
        
      
        if (self.length == 0)
        {
            return NO;
        }
        NSString * urlStr = @"((http[s]{0,1}|ftp)://[a-zA-Z0-9\\.\\-]+\\.([a-zA-Z]{2,4})(:\\d+)?(/[a-zA-Z0-9\\.\\-~!@;#$%^&*+?:_/=<>]*)?)|(www.[a-zA-Z0-9\\.\\-]+\\.([a-zA-Z]{2,4})(:\\d+)?(/[a-zA-Z0-9\\.\\-~!@;#$%^&*+?:_/=<>]*)?)";
        
        
        NSPredicate *regextestmobile = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", urlStr];
        
        if ([regextestmobile evaluateWithObject:self] == YES)
        {
            return YES;
        }
        else
        {
            return NO;
        }
       
    }
    
    - (BOOL)isAvailableEmail
    {
        NSString *emailRegex = @"[A-Z0-9a-z._%+-]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,4}";
        NSPredicate *emailTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", emailRegex];
        return [emailTest evaluateWithObject:self];
    }
    
    - (BOOL)isIdentityNumber{
        NSString *phoneRegex = @"^(\\d{15}$|^\\d{18}$|^\\d{17}(\\d|X|x))$";
        NSPredicate *identityTest = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",phoneRegex];
        return [identityTest evaluateWithObject:self];
    }
    
    
    - (BOOL)isNumText{
        
        //判断是不是纯数字
        [NSCharacterSet decimalDigitCharacterSet];
        if ([[self stringByTrimmingCharactersInSet: [NSCharacterSet decimalDigitCharacterSet]] stringByTrimmingCharactersInSet: [NSCharacterSet whitespaceCharacterSet]].length >0) {
            return NO;
        }else{
            return YES;
        }
    
    }
    
    
    +(NSString *)returnActualFormatNumber:(double)number
    {
    //    NSString *thirdNum = [NSString stringWithFormat:@"%0.3f",number];
    //    number = [thirdNum doubleValue];
        
        //最多保留两位小数
        number = round(number*100)/100;
        
        NSArray *numArray =[[NSString stringWithFormat:@"%.2f",number] componentsSeparatedByString:@"."];
        
        NSString *firstNum =[numArray firstObject];
        NSString *secondNum =[numArray lastObject];
        
        if ([secondNum doubleValue] == 0) {
            
            return firstNum;
        }
        else
        {
            if ([[secondNum substringFromIndex:1] doubleValue] != 0) {
                
                return [NSString stringWithFormat:@"%.2f",number];
            }
            else{
                
                return [NSString stringWithFormat:@"%.1f",number];
            }
        }
        return nil;
    }
    
    +(NSString *)returnDetailFormatNumber:(double)number leaveCount:(NSInteger)count{
    
        number = round(number*100)/100;
        
        NSArray *numArray =[[NSString stringWithFormat:@"%@",@(number)] componentsSeparatedByString:@"."];
        
        NSString *firstNum =[numArray firstObject];
        NSString *secondNum =[numArray lastObject];
        
        if ([secondNum doubleValue] == 0) {
            
            return firstNum;
        }
        else{
        
            NSString *subSecondStr = [secondNum substringToIndex:count];
            
            return [NSString stringWithFormat:@"%@.%@",firstNum,subSecondStr];
        }
        return nil;
    }
    
    
    + (NSMutableAttributedString *)setNbLabelTextProperty:(NSString *)text
                                                   string:(NSString *)string
                                                textColor:(UIColor *)color
                                                 textFont:(UIFont *)font
    {
        NSRange range;
        NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:text];
        
        if (string != nil && ![string isEqualToString:@""]) {
            range = [text rangeOfString:string];
        }else{
            range = NSMakeRange(0, 0);
        }
        
        [str addAttribute:NSForegroundColorAttributeName value:color range:range];
        [str addAttribute:NSFontAttributeName value:font range:range];
        
        return str;
    }
    
    + (NSMutableAttributedString *)attributeStringWithText:(NSString *)text withLineSpace:(CGFloat )lineSpace withLineBreakMode:(NSLineBreakMode )lineBreakMode withFont:(UIFont *)font
    {
        NSMutableParagraphStyle *paragraphStyle =[[NSMutableParagraphStyle  alloc]init];
        paragraphStyle.lineSpacing = lineSpace;
        paragraphStyle.lineBreakMode = lineBreakMode;
        
        NSMutableAttributedString *attributeStr =[[NSMutableAttributedString alloc]initWithString:text
                                                                                       attributes:@{NSFontAttributeName:font,NSParagraphStyleAttributeName:paragraphStyle}];
        return attributeStr;
    }
    
    + (NSMutableAttributedString *)attributebLabelText:(NSString *)text
                                            withTextColor:(UIColor *)textColor
                                            withLineSpace:(CGFloat)lineSpace
                                             withTextFont:(UIFont *)textFont
                                     withExtraStringArray:(NSArray *)extraStringArr
                                      withExtraColorArray:(NSArray *)extraColorArr
                                       withExtraFontArray:(NSArray *)extraFont;
    {
        if (!IsStrEmpty(text)) {
            
            NSMutableAttributedString *attributeStr = [[NSMutableAttributedString alloc] initWithString:text];
            [attributeStr addAttribute:NSForegroundColorAttributeName value:textColor range:NSMakeRange(0, text.length)];
            [attributeStr addAttribute:NSFontAttributeName value:textFont range:NSMakeRange(0, text.length)];
            
            NSMutableParagraphStyle * paragraphStyle =[[NSMutableParagraphStyle alloc]init];
            [paragraphStyle setLineBreakMode:NSLineBreakByWordWrapping];
            [paragraphStyle setLineSpacing:lineSpace];
            [attributeStr addAttribute:NSParagraphStyleAttributeName value:paragraphStyle range:NSMakeRange(0, text.length)];
            
            for (int i=0; i< extraStringArr.count; i++) {
                
                NSString * str = extraStringArr[i];
                NSRange range = [text rangeOfString:str];
                [attributeStr addAttribute:NSForegroundColorAttributeName value:extraColorArr[i] range:range];
                [attributeStr addAttribute:NSFontAttributeName value:extraFont[i] range:range];
            }
            return attributeStr;
        }
        
        return nil;
    }
    
    + (BOOL)validateIdentityCard:(NSString *)identityCard
    {
        BOOL flag;
        if (identityCard.length <= 0) {
            flag = NO;
            return flag;
        }
        NSString *regex2 = @"^(\\d{14}|\\d{17})(\\d|[xX])$";
        NSPredicate *identityCardPredicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",regex2];
        return [identityCardPredicate evaluateWithObject:identityCard];
    }
    
    - (BOOL)isHaveSpaceInString
    {
        NSRange _range = [self rangeOfString:@" "];
        if (_range.location != NSNotFound) {
            return YES;
        }else {
            return NO;
        }
    }
    
    - (BOOL)isHaveChineseInString
    {
        for(NSInteger i = 0; i < [self length]; i++){
            
            int a = [self characterAtIndex:i];
            if (a > 0x4e00 && a < 0x9fff) {
                return YES;
            }
        }
        return NO;
    }
    
    @end
    
    

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          本文标题:NSString常用的类别

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