a64796187的专栏

Font Family: American TypewriterFont: AmericanTypewriterFont: AmericanTypewriter-BoldFont Family: AppleGothicFont: AppleGothicFont Family: ArialFont: ArialMTFont: Arial-BoldMTFont:

NSMutableURLRequest *request=[[NSMutableURLRequestalloc]init];   NSUserDefaults *defs=[NSUserDefaultsstandardUserDefaults];      NSLog(@"LoadcurrentCookie:%@", cookie);   [requestsetValue:co

#import -(void)flash{  //调用该函数动画生成CATransition *animation = [CATransition animation];    animation.delegate = self;    animation.duration = 0.7;//设置动画时间    animation.timingFunction = [CA

//存数据[[NSUserDefaults standardUserDefaults] setValue:pwd forKey:@"userpwd"];//此处的pwd是nsstring类型的，大家也可以用其他的类型的试试，userpwd为查找时的关键字 [[NSUserDefaults standardUserDefaults] synchronize];//永久记住//删除数据

-(BOOL)canBecomeFirstResponder{    return YES;}-(void)copy1:(id)sender{    //函数名称可以自己定义     NSLog(@"copy");  //行为自己定义，此处为打印copy字符串}-(void)Press1:(NSIndexPath *)Index{

//方法1：NSString *obj = [NSString stringWithFormat:@"子线程"];    [NSThread detachNewThreadSelector:@selector(test:) toTarget:self withObject:obj]; /test: 为自定义方法，可以根据自己需要定义，这种方法创建的线程，创建的时候就自动跑//方法2

UIImage *im = [UIImage imageNamed:@"1.jpg"];//这个图片自定义        UIImageView *iv = [[UIImageView alloc]initWithImage:im];    CGRect ivsize = iv.frame;    NSLog(@"%f,%f",ivsize.size.height,ivsize.s

属性readwrite，readonly，assign，retain，copy，nonatomic 各是什么作用，在那种情况下用？readwrite 是可读可写特性；需要生成getter方法和setter方法时readonly 是只读特性  只会生成getter方法 不会生成setter方法 ;不希望属性在类外改变assign 是赋值特性，setter方法将传入参数赋值给实例变量；仅设

#import //此例子忽略内存管理问题int main (int argc, const char * argv[]){    NSAutoreleasePool *pool=[[NSAutoreleasePool alloc] init];            char *s="abc";    // 串初始化     NSString *s1=@"