zhangwc’s gists

zhangwc / create UIImage with UIColor

Created August 27, 2013 03:25

	- (UIImage ) createImageWithColor: (UIColor ) color
	{
	CGRect rect=CGRectMake(0.0f, 0.0f, 1.0f, 1.0f);
	UIGraphicsBeginImageContext(rect.size);
	CGContextRef context = UIGraphicsGetCurrentContext();
	CGContextSetFillColorWithColor(context, [color CGColor]);
	CGContextFillRect(context, rect);

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

zhangwc / iOS正则验证

Created August 27, 2013 06:25

	// 正则验证
	NSError *error;
	NSRegularExpression *regex = [NSRegularExpression regularExpressionWithPattern:@"^1\\d{10}$"
	options:NSRegularExpressionCaseInsensitive
	error:&error];
	NSUInteger count = [regex numberOfMatchesInString:userPhone
	options:NSRegularExpressionCaseInsensitive
	range:NSMakeRange(0, [userPhone length])];
	// 格式验证失败
	if (count != 1) {

zhangwc / 单例类

Created August 27, 2013 14:12

	+ (instancetype)sharedPlugin
	{
	static id sharedPlugin = nil;
	static dispatch_once_t onceToken;
	dispatch_once(&onceToken, ^{
	sharedPlugin = [[self alloc] init];
	});

	return sharedPlugin;
	}

zhangwc / 常用的宏定义

Created August 28, 2013 13:58


	// 是否高清屏
	#define isRetina ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 960), [[UIScreen mainScreen] currentMode].size) : NO)
	// 是否iPad
	#define isPad (UI_USER_INTERFACE_IDIOM() == UIUserInterfaceIdiomPad)
	// 是否模拟器
	#define isSimulator (NSNotFound != [[[UIDevice currentDevice] model] rangeOfString:@"Simulator"].location)
	// 是否iPhone5
	#define iPhone5 ([UIScreen instancesRespondToSelector:@selector(currentMode)] ? CGSizeEqualToSize(CGSizeMake(640, 1136), [[UIScreen mainScreen] currentMode].size) : NO)

zhangwc / URL编码、反编码

Created August 28, 2013 14:11

对url字符串进行编码反编码

	- (NSString *)URLEncodedString {
	NSString result = (NSString )CFURLCreateStringByAddingPercentEscapes(kCFAllocatorDefault, (CFStringRef)self, NULL, CFSTR("!*'();:@&=+$,/?%#[]"), kCFStringEncodingUTF8);
	return [result autorelease];
	}
	- (NSString *)URLDecodedString {
	NSString result = (NSString )CFURLCreateStringByReplacingPercentEscapesUsingEncoding(kCFAllocatorDefault, (CFStringRef)self, CFSTR(""), kCFStringEncodingUTF8);
	return [result autorelease];
	}

zhangwc / md5

Created August 28, 2013 14:12

	- (NSString *)md5 {
	const char *cStr = [self UTF8String];
	unsigned char result[16] = {0};
	CC_MD5(cStr, strlen(cStr), result);
	return [NSString stringWithFormat:
	@"%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X%02X",
	result[0], result[1], result[2], result[3],
	result[4], result[5], result[6], result[7],
	result[8], result[9], result[10], result[11],
	result[12], result[13], result[14], result[15]

zhangwc / Hex转为UIColor

Created August 28, 2013 14:14

	// 如hex为0xEEEEEE
	+ (UIColor *) colorWithHex:(int)hex {
	return [UIColor colorWithRed:((float)((hex & 0xFF0000) >> 16))/255.0
	green:((float)((hex & 0xFF00) >> 8))/255.0
	blue:((float)(hex & 0xFF))/255.0 alpha:1.0];
	}

	// hex为#EEEEEE
	+ (UIColor )colorWithHexString:(NSString )stringToConvert {
	NSString *cString = [[stringToConvert stringByTrimmingCharactersInSet:[NSCharacterSet whitespaceAndNewlineCharacterSet]] uppercaseString];

zhangwc / 获取中文的拼音

Created August 28, 2013 14:16

	- (NSString *)phonetic {
	NSMutableString *source = [self mutableCopy];
	CFStringTransform((CFMutableStringRef)source, NULL, kCFStringTransformMandarinLatin, NO);
	CFStringTransform((CFMutableStringRef)source, NULL, kCFStringTransformStripDiacritics, NO);
	return [source autorelease];
	}

zhangwc / 设置视图圆角

Created August 28, 2013 14:23

	#import <QuartzCore/QuartzCore.h>
	@implementation UIView (RectCorner)
	- (void)setCornerOnTop {
	UIBezierPath *maskPath;
	maskPath = [UIBezierPath bezierPathWithRoundedRect:self.bounds
	byRoundingCorners:(UIRectCornerTopLeft \| UIRectCornerTopRight)
	cornerRadii:CGSizeMake(8.0, 8.0)];
	CAShapeLayer *maskLayer = [[CAShapeLayer alloc] init];
	maskLayer.frame = self.bounds;
	maskLayer.path = maskPath.CGPath;

zhangwc / 通过日期字符串("yyyy-MM-dd")获取当前星期

Created August 28, 2013 14:31

	@implementation NSString (GetWeek)
	- (NSString *)getWeek {
	NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
	dateFormatter.dateFormat = @"yyyy-MM-dd";
	NSDate *date = [dateFormatter dateFromString:self];
	[dateFormatter release];
	NSCalendar *calendar = [[NSCalendar alloc] initWithCalendarIdentifier:NSGregorianCalendar];
	NSInteger unitFlags = NSWeekdayCalendarUnit;
	NSDateComponents *comps = [calendar components:unitFlags fromDate:date];
	[calendar release];

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