摘要： - (void)viewDidLoad { [super viewDidLoad]; //每个Item宽高 CGFloat W = 80; CGFloat H = 100; //每行列数 NSInteger rank = 3; //每列间距 CGFloat rankMargin = (self.vi 阅读全文

摘要： #import "ViewController.h" #define width_w [UIScreen mainScreen].bounds.size.width #define height_h [UIScreen mainScreen].bounds.size.height #define P 阅读全文

摘要： NSDictionary *dic = [NSJSONSerialization JSONObjectWithData:responseObject options:NSJSONReadingAllowFragments error:nil] ; 方法：解析并转码 - (NSString*)data 阅读全文