自己用过，写过的一点分类，记录一下先。
整理一下用过的一点分类
NSdate
.h中：
// 是否为今天
- (BOOL)isToday;
//是否为昨天
- (BOOL)isYesterday;
//是否为今年
- (BOOL)isThisYear;
//返回一个只有年月日的时间
- (NSDate *)dateWithYMD;
// 获得与当前时间的差距
- (NSDateComponents *)deltaWithNow;
//获取今天周几
- (NSInteger)getNowWeekday;
//判断时间
+ (NSString *)readableDateWithDate:(NSString *)dateString;
- (NSDate *)hj_dateByAddingYears:(NSInteger)years; /// 从这个日期加上N年
- (NSDate *)hj_dateByAddingMonths:(NSInteger)months; /// 从这个日期加上N月
- (NSDate *)hj_dateByAddingWeeks:(NSInteger)weeks; /// 从这个日期加上N日
- (NSDate *)hj_dateByAddingDays:(NSInteger)days; /// 从这个日期加上N天
- (NSDate *)hj_dateByAddingHours:(NSInteger)hours; /// 从这个日期加上N小时
- (NSDate *)hj_dateByAddingMinutes:(NSInteger)minutes; /// 从这个日期加上N分钟
- (NSDate *)hj_dateByAddingSeconds:(NSInteger)seconds; /// 从这个日期加上N秒
.m中：
// 是否为今天
- (BOOL)isToday
{
NSCalendar *calendar = [NSCalendar currentCalendar];
int unit = NSCalendarUnitDay | NSCalendarUnitMonth | NSCalendarUnitYear;
// 1.获得当前时间的年月日
NSDateComponents *nowCmps = [calendar components:unit fromDate:[NSDate date]];
// 2.获得self的年月日
NSDateComponents *selfCmps = [calendar components:unit fromDate:self];
return
(selfCmps.year == nowCmps.year) &&
(selfCmps.month == nowCmps.month) &&
(selfCmps.day == nowCmps.day);
}
// 是否为昨天
- (BOOL)isYesterday
{
// 2014-05-01
NSDate *nowDate = [[NSDate date] dateWithYMD];
// 2014-04-30
NSDate *selfDate = [self dateWithYMD];
// 获得nowDate和selfDate的差距
NSCalendar *calendar = [NSCalendar currentCalendar];
NSDateComponents *cmps = [calendar components:NSCalendarUnitDay fromDate:selfDate toDate:nowDate options:0];
return cmps.day == 1;
}
- (NSDate *)dateWithYMD
{
NSDateFormatter *fmt = [[NSDateFormatter alloc] init];
fmt.dateFormat = @"yyyy-MM-dd";
NSString *selfStr = [fmt stringFromDate:self];
return [fmt dateFromString:selfStr];
}
// 是否为今年
- (BOOL)isThisYear
{
NSCalendar *calendar = [NSCalendar currentCalendar];
int unit = NSCalendarUnitYear;
// 1.获得当前时间的年月日
NSDateComponents *nowCmps = [calendar components:unit fromDate:[NSDate date]];
// 2.获得self的年月日
NSDateComponents *selfCmps = [calendar components:unit fromDate:self];
return nowCmps.year == selfCmps.year;
}
- (NSDateComponents *)deltaWithNow
{
NSCalendar *calendar = [NSCalendar currentCalendar];
int unit = NSCalendarUnitHour | NSCalendarUnitMinute | NSCalendarUnitSecond;
return [calendar components:unit fromDate:self toDate:[NSDate date] options:0];
}
+ (NSString *)readableDateWithDate:(NSString *)dateString {
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateFormat:@"yyyy-MM-dd HH:mm:ss"];
NSDate *date = [dateFormatter dateFromString:dateString];
if (!date) {
return nil;
}
NSTimeInterval timeInterval = [date timeIntervalSinceNow];
timeInterval = -timeInterval;
long temp = 0;
NSString *result;
if (timeInterval < 60) {
result = [NSString stringWithFormat:@"刚刚"];
} else if ((temp = timeInterval / 60) < 60) {
result = [NSString stringWithFormat:@"%ld分钟前", temp];
} else if((temp = temp / 60) < 24) {
result = [NSString stringWithFormat:@"%ld小时前",temp];
} else if ((temp = temp / 24) < 30) {
result = [NSString stringWithFormat:@"%ld天前",temp];
} else if((temp = temp / 30) < 12) {
result = [NSString stringWithFormat:@"%ld个月前",temp];
} else {
temp = temp / 12;
result = [NSString stringWithFormat:@"%ld年前",temp];
}
return result;
}
//获取今天周几
- (NSInteger)getNowWeekday {
NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
NSDateComponents *comps = [[NSDateComponents alloc] init];
NSInteger unitFlags = NSYearCalendarUnit | NSMonthCalendarUnit | NSDayCalendarUnit | NSWeekdayCalendarUnit |
NSHourCalendarUnit | NSMinuteCalendarUnit | NSSecondCalendarUnit;
NSDate *now = [NSDate date];
// 在真机上需要设置区域，才能正确获取本地日期，china:zh_CN
calendar.locale = [[NSLocale alloc] initWithLocaleIdentifier:@"zh_CN"];
comps = [calendar components:unitFlags fromDate:now];
return [comps day];
}
//加一年
- (NSDate *)hj_dateByAddingYears:(NSInteger)years {
NSCalendar *calendar = [NSCalendar currentCalendar];
NSDateComponents *components = [[NSDateComponents alloc] init];
[components setYear:years];
return [calendar dateByAddingComponents:components toDate:self options:0];
}
//加一月
- (NSDate *)hj_dateByAddingMonths:(NSInteger)months {
NSCalendar *calendar = [NSCalendar currentCalendar];
NSDateComponents *components = [[NSDateComponents alloc] init];
[components setMonth:months];
return [calendar dateByAddingComponents:components toDate:self options:0];
}
//加一周
- (NSDate *)hj_dateByAddingWeeks:(NSInteger)weeks {
NSCalendar *calendar = [NSCalendar currentCalendar];
NSDateComponents *components = [[NSDateComponents alloc] init];
[components setWeekOfYear:weeks];
return [calendar dateByAddingComponents:components toDate:self options:0];
}
//加一天
- (NSDate *)hj_dateByAddingDays:(NSInteger)days {
NSTimeInterval aTimeInterval = [self timeIntervalSinceReferenceDate] + 86400 * days;
NSDate *newDate = [NSDate dateWithTimeIntervalSinceReferenceDate:aTimeInterval];
return newDate;
}
//加一小时
- (NSDate *)hj_dateByAddingHours:(NSInteger)hours {
NSTimeInterval aTimeInterval = [self timeIntervalSinceReferenceDate] + 3600 * hours;
NSDate *newDate = [NSDate dateWithTimeIntervalSinceReferenceDate:aTimeInterval];
return newDate;
}
//加一分
- (NSDate *)hj_dateByAddingMinutes:(NSInteger)minutes {
NSTimeInterval aTimeInterval = [self timeIntervalSinceReferenceDate] + 60 * minutes;
NSDate *newDate = [NSDate dateWithTimeIntervalSinceReferenceDate:aTimeInterval];
return newDate;
}
//加一秒
- (NSDate *)hj_dateByAddingSeconds:(NSInteger)seconds {
NSTimeInterval aTimeInterval = [self timeIntervalSinceReferenceDate] + seconds;
NSDate *newDate = [NSDate dateWithTimeIntervalSinceReferenceDate:aTimeInterval];
return newDate;
}
NSDictionary
.h中
- (void)property;
.m中
//根据字典生成模型属性代码，不用自己一个个敲
- (void)property
{
// 属性跟字典的key一一对应
NSMutableString *codes = [NSMutableString string];
// 遍历字典中所有key取出来
[self enumerateKeysAndObjectsUsingBlock:^(id _Nonnull key, id _Nonnull obj, BOOL * _Nonnull stop) {
// key:属性名
NSString *code;
if ([obj isKindOfClass:[NSString class]]) {
code = [NSString stringWithFormat:@"@property (nonatomic ,strong) NSString *%@;",key];
}else if ([obj isKindOfClass:NSClassFromString(@"__NSCFBoolean")]){
code = [NSString stringWithFormat:@"@property (nonatomic ,assign) BOOL %@;",key];
}else if ([obj isKindOfClass:[NSNumber class]]){
code = [NSString stringWithFormat:@"@property (nonatomic ,assign) NSInteger %@;",key];
}else if ([obj isKindOfClass:[NSArray class]]){
code = [NSString stringWithFormat:@"@property (nonatomic ,strong) NSArray *%@;",key];
}else if ([obj isKindOfClass:[NSDictionary class]]){
code = [NSString stringWithFormat:@"@property (nonatomic ,strong) NSDictionary *%@;",key];
}
[codes appendFormat:@"\n%@\n",code];
}];
NSLog(@"%@",codes);
}
NSString
.h中
//有效的电话号码
- (BOOL) isValidMobileNumber;
//有效的真实姓名
- (BOOL) isValidRealName;
//是否只有中文
- (BOOL) isOnlyChinese;
//有效的银行卡号
- (BOOL) isValidBankCardNumber;
//有效的邮箱
- (BOOL) isValidEmail;
//检测有效身份证
//15位
- (BOOL) isValidIdentifyFifteen;
//18位
- (BOOL) isValidIdentifyEighteen;
//有效的验证码(根据自家的验证码位数进行修改)
- (BOOL) isValidVerifyCode;
.m中
//有效的电话号码
- (BOOL) isValidMobileNumber {
NSString* const MOBILE = @"^1(3|4|5|7|8)\\d{9}$";
NSPredicate* predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", MOBILE];
return [predicate evaluateWithObject:self];
}
//有效的真实姓名
- (BOOL) isValidRealName
{
NSString *nicknameRegex = @"^[\u4e00-\u9fa5]{2,8}$";
NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@",nicknameRegex];
return [predicate evaluateWithObject:self];
}
//是否只有中文
- (BOOL) isOnlyChinese
{
NSString * chineseTest=@"^[\u4e00-\u9fa5]{0,}$";
NSPredicate*chinesePredicate=[NSPredicate predicateWithFormat:@"SELF MATCHES %@",chineseTest];
return [chinesePredicate evaluateWithObject:self];
}
//有效的银行卡号
- (BOOL) isValidBankCardNumber {
NSString* const BANKCARD = @"^(\\d{16}|\\d{19})$";
NSPredicate* predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", BANKCARD];
return [predicate evaluateWithObject:self];
}
//有效的邮箱
- (BOOL) isValidEmail
{
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];
}
//检测有效身份证
//15位
- (BOOL) isValidIdentifyFifteen
{
NSString * identifyTest=@"^[1-9]\\d{7}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])\\d{3}$";
NSPredicate*identifyPredicate=[NSPredicate predicateWithFormat:@"SELF MATCHES %@",identifyTest];
return [identifyPredicate evaluateWithObject:self];
}
//18位
- (BOOL) isValidIdentifyEighteen
{
NSString * identifyTest=@"^[1-9]\\d{5}[1-9]\\d{3}((0\\d)|(1[0-2]))(([0|1|2]\\d)|3[0-1])\\d{3}([0-9]|X)$";
NSPredicate*identifyPredicate=[NSPredicate predicateWithFormat:@"SELF MATCHES %@",identifyTest];
return [identifyPredicate evaluateWithObject:self];
}
//有效的验证码(根据自家的验证码位数进行修改)
- (BOOL) isValidVerifyCode
{
NSString *pattern = @"^[0-9]{4}";
NSPredicate *predicate = [NSPredicate predicateWithFormat:@"SELF MATCHES %@", pattern];
return [predicate evaluateWithObject:self];
}
UIBarButtonItem
.h中
//设置UIBarButtonItem图片
+(UIBarButtonItem *)barBtnItemWithImg:(NSString *)image highImg:(NSString *)highimage target:(id)target action:(SEL)action forControlEvents:(UIControlEvents)controlEvents;
//设置UIBarButtonItem文字
+(UIBarButtonItem *)barBtnItemWithText:(NSString *)text textColor:(UIColor *)color target:(id)target action:(SEL)action forControlEvents:(UIControlEvents)controlEvents;
.m中
//设置UIBarButtonItem图片
+(UIBarButtonItem *)barBtnItemWithImg:(NSString *)image highImg:(NSString *)highimage target:(id)target action:(SEL)action forControlEvents:(UIControlEvents)controlEvents
{
UIButton *btn=[UIButton buttonWithType:UIButtonTypeCustom];
[btn setBackgroundImage:[UIImage imageNamed:image] forState:UIControlStateNormal];
[btn setBackgroundImage:[UIImage imageNamed:highimage] forState:UIControlStateHighlighted];
[btn sizeToFit];
[btn addTarget:target action:action forControlEvents:controlEvents];
return [[UIBarButtonItem alloc]initWithCustomView:btn];
}
//设置UIBarButtonItem文字
+(UIBarButtonItem *)barBtnItemWithText:(NSString *)text textColor:(UIColor *)color target:(id)target action:(SEL)action forControlEvents:(UIControlEvents)controlEvents
{
UIButton *btn = [UIButton buttonWithType:UIButtonTypeCustom];
[btn addTarget:target action:action forControlEvents:controlEvents];
[btn setTitle:text forState:UIControlStateNormal];
[btn setTitleColor:color forState:UIControlStateNormal];
[btn sizeToFit];
[btn.titleLabel setFont:[UIFont systemFontOfSize:13.0] ];
return [[UIBarButtonItem alloc] initWithCustomView:btn];
}
UIColor
.h中
+ (UIColor *)colorFromHexRGB:(NSString *)colorString;
.m中
//设置颜色 ，如222222
+ (UIColor *)colorFromHexRGB:(NSString *)colorString
{
UIColor *result = nil;
unsigned int colorCode = 0;
unsigned char redByte, greenByte, blueByte;
if (nil != colorString)
{
NSScanner *scanner = [NSScanner scannerWithString:colorString];
(void) [scanner scanHexInt:&colorCode]; // ignore error
}
redByte = (unsigned char) (colorCode >> 16);
greenByte = (unsigned char) (colorCode >> 8);
blueByte = (unsigned char) (colorCode); // masks off high bits
result = [UIColor
colorWithRed: (float)redByte / 0xff
green: (float)greenByte/ 0xff
blue: (float)blueByte / 0xff
alpha:1.0];
return result;
}
宏：#define RGB(r,g,b,a) [UIColor colorWithRed:r/255.0f green:g/255.0f blue:b/255.0f alpha:a]
UIImage
.h中
//图片渲染模式：始终绘制图片原始状态
+ (UIImage *)originalImageIgnoredRenderWithImageName:(NSString *)imageName;
//根据图片名返回拉伸倍数的图片
+(UIImage *)stretchableImageWithName:(NSString *)imageName capWidth:(CGFloat)Wfloat capHeight:(CGFloat)Hfloat;
/*
* 根据文字生成水印图片
* rect 是相对图片大小的位置
*/
+ (UIImage *)imageWithWaterMarkImage:(NSString *)imageName text:(NSString *)str textRect:(CGRect)rect;
// 根据颜色生成图片
+ (UIImage *)imageWithColor:(UIColor *)color size:(CGSize)size;
//通过Rect剪裁图片
- (UIImage *) imageByCropToRect:(CGRect)rect;
// 生成一个圆形图片
+ (UIImage *)circleImageNamed:(NSString *)imgName;
.m中
//图片渲染模式：始终绘制图片原始状态
+ (UIImage *)originalImageIgnoredRenderWithImageName:(NSString *)imageName
{
UIImage *image=[UIImage imageNamed:imageName];
return [image imageWithRenderingMode:1];
}
//根据图片名返回自由拉伸的图片
+(UIImage *)stretchableImageWithName:(NSString *)imageName capWidth:(CGFloat)Wfloat capHeight:(CGFloat)Hfloat
{
UIImage *image=[UIImage imageNamed:imageName];
return [image stretchableImageWithLeftCapWidth:image.size.width*Wfloat topCapHeight:image.size.height*Hfloat];
}
/*
* 根据文字生成水印图片
*/
+ (UIImage *)imageWithWaterMarkImage:(NSString *)imageName text:(NSString *)str textRect:(CGRect)rect;
{
UIImage *image = [UIImage imageNamed:imageName];
UIGraphicsBeginImageContextWithOptions(image.size, NO, 0);
//把图片画上去
[image drawAtPoint:CGPointZero];
//绘制文字到图片
NSMutableDictionary *arrt = [NSMutableDictionary dictionary];
arrt[NSFontAttributeName] = [UIFont systemFontOfSize:20.0];
[str drawInRect:rect withAttributes:arrt];
// 从上下文获取图片
UIImage *imageWater = UIGraphicsGetImageFromCurrentImageContext();
//关闭上下文
UIGraphicsEndImageContext();
return imageWater;
}
/*
* 根据颜色生成图片
*/
+ (UIImage *)imageWithColor:(UIColor *)color size:(CGSize)size
{
CGRect rect = CGRectMake(0, 0, size.width, size.height);
UIGraphicsBeginImageContext(rect.size);
CGContextRef context = UIGraphicsGetCurrentContext();
CGContextSetFillColorWithColor(context,color.CGColor);
CGContextFillRect(context, rect);
UIImage *img = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
return img;
}
//通过Rect剪裁图片
- (UIImage *)imageByCropToRect:(CGRect)rect {
rect.origin.x *= self.scale;
rect.origin.y *= self.scale;
rect.size.width *= self.scale;
rect.size.height *= self.scale;
if (rect.size.width <= 0 || rect.size.height <= 0) return nil;
CGImageRef imageRef = CGImageCreateWithImageInRect(self.CGImage, rect);
UIImage *image = [UIImage imageWithCGImage:imageRef scale:self.scale orientation:self.imageOrientation];
CGImageRelease(imageRef);
return image;
}
// 生成一个圆形图片
+ (UIImage *)circleImageNamed:(NSString *)imgName
{
UIImage *image=[UIImage imageNamed:imgName];
UIGraphicsBeginImageContext(image.size);
// 上下文
CGContextRef context = UIGraphicsGetCurrentContext();
// 添加一个圆
CGRect rect = CGRectMake(0, 0, image.size.width, image.size.height);
CGContextAddEllipseInRect(context, rect);
// 裁剪
CGContextClip(context);
// 绘制图片到圆上面
[image drawInRect:rect];
// 获得图片
UIImage *image1 = UIGraphicsGetImageFromCurrentImageContext();
// 结束图形上下文
UIGraphicsEndImageContext();
return image1;
}
UILabel
.h中
+ (CGFloat)hj_getHeightByWidth:(CGFloat)width title:(NSString *)title font:(UIFont*)font;
+ (CGFloat)hj_getWidthWithTitle:(NSString *)title font:(UIFont *)font;
//中划线
+(NSAttributedString *)midLineWithString:(NSString *)text;
//下划线
+(NSAttributedString *)underLineWithString:(NSString *)text;
.m中
//根据文字，字体，label宽度 计算高度
+ (CGFloat)hj_getHeightByWidth:(CGFloat)width title:(NSString *)title font:(UIFont *)font
{
UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, width, 0)];
label.text = title;
label.font = font;
label.numberOfLines = 0;
[label sizeToFit];
CGFloat height = label.frame.size.height;
return height;
}
//计算宽度
+ (CGFloat)hj_getWidthWithTitle:(NSString *)title font:(UIFont *)font {
UILabel *label = [[UILabel alloc] initWithFrame:CGRectMake(0, 0, 1000, 0)];
label.text = title;
label.font = font;
[label sizeToFit];
return label.frame.size.width;
}
//中划线
+(NSAttributedString *)midLineWithString:(NSString *)text
{
NSDictionary *attriDic=@{NSStrikethroughStyleAttributeName:[NSNumber numberWithInteger:NSUnderlineStyleSingle],NSStrikethroughColorAttributeName:[UIColor lightGrayColor]};
NSMutableAttributedString *attriStr=[[NSMutableAttributedString alloc]initWithString:text attributes:attriDic];
return attriStr;
}
//下划线
+(NSAttributedString *)underLineWithString:(NSString *)text
{
NSDictionary *attriDic=@{NSUnderlineStyleAttributeName:[NSNumber numberWithInteger:NSUnderlineStyleSingle],NSStrikethroughColorAttributeName:[UIColor lightGrayColor]};
NSMutableAttributedString *attriStr=[[NSMutableAttributedString alloc]initWithString:text attributes:attriDic];
return attriStr;
}
UIView
.h中
@interface UIView (HJViewFrame)
@property (nonatomic,assign) CGFloat x;
@property (nonatomic,assign) CGFloat y;
@property (nonatomic,assign) CGFloat centerX;
@property (nonatomic,assign) CGFloat centerY;
@property (nonatomic,assign) CGFloat width;
@property (nonatomic,assign) CGFloat height;
@property (nonatomic,assign) CGSize size;
@property (nonatomic,assign) CGPoint origin;
@property (assign, nonatomic) CGFloat maxX;
@property (assign, nonatomic) CGFloat maxY;
-(void)setAddX:(CGFloat)addX;
-(void)setAddY:(CGFloat)addY;
/**
* 快速根据xib创建View
*/
+ (instancetype)hj_viewFromXib;
.m中
- (void)setX:(CGFloat)x
{
CGRect frame = self.frame;
frame.origin.x = x;
self.frame = frame;
}
- (void)setY:(CGFloat)y
{
CGRect frame = self.frame;
frame.origin.y = y;
self.frame = frame;
}
- (CGFloat)x
{
return self.frame.origin.x;
}
- (CGFloat)y
{
return self.frame.origin.y;
}
- (void)setWidth:(CGFloat)width
{
CGRect frame = self.frame;
frame.size.width = width;
self.frame = frame;
}
- (void)setHeight:(CGFloat)height
{
CGRect frame = self.frame;
frame.size.height = height;
self.frame = frame;
}
- (CGFloat)width
{
return self.frame.size.width;
}
- (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;
}
- (void)setOrigin:(CGPoint)origin
{
CGRect frame = self.frame;
frame.origin = origin;
self.frame = frame;
}
- (CGPoint)origin
{
return self.frame.origin;
}
- (void)setCenterX:(CGFloat)centerX
{
CGPoint center = self.center;
center.x = centerX;
self.center = center;
}
- (void)setCenterY:(CGFloat)centerY
{
CGPoint center = self.center;
center.y = centerY;
self.center = center;
}
- (CGFloat)centerX
{
return self.center.x;
}
- (CGFloat)centerY
{
return self.center.y;
}
- (void)setMaxX:(CGFloat)maxX{
CGRect frame = self.frame;
frame.origin.x = maxX - frame.size.width;
self.frame = frame;
}
- (CGFloat)maxX{
return CGRectGetMaxX(self.frame);
}
- (void)setMaxY:(CGFloat)maxY{
CGRect frame = self.frame;
frame.origin.y = maxY - frame.size.height;
self.frame = frame;
}
- (CGFloat)maxY{
return CGRectGetMaxY(self.frame);
}
-(void)setAddX:(CGFloat)addX
{
CGRect frame=self.frame;
frame.origin.x+=addX;
self.frame=frame;
}
-(void)setAddY:(CGFloat)addY
{
CGRect frame = self.frame;
frame.origin.y += addY;
self.frame = frame;
}
+ (instancetype)hj_viewFromXib
{
return [[NSBundle mainBundle] loadNibNamed:NSStringFromClass(self) owner:nil options:nil].firstObject;
}
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