05 2017 档案

oc 谓词查询
摘要：NSArray *arrayFilter = @[@"abc1", @"abc2"]; NSArray *arrayContent = @[@"a1", @"abc1", @"abc4", @"abc2"]; NSPredicate *predicate2 = [NSPredicate predicateWithFormat:@"NOT(self in %@)",arra... 阅读全文
posted @ 2017-05-26 14:07 苏糊 阅读(166) 评论(0) 推荐(0)
oc 小数乘法，并取整
摘要：oc的double，float类型无法满足小数乘法的需求 只能用NSDecimalNumber实现 阅读全文
posted @ 2017-05-17 08:45 苏糊 阅读(243) 评论(0) 推荐(0)
关于afnetworking加入header
摘要：1 AFHTTPSessionManager *manager = [AFHTTPSessionManager manager]; 2 manager.requestSerializer = [AFHTTPRequestSerializer serializer]; 3 manager.responseSerializer = [AFJSONResponseSeria... 阅读全文
posted @ 2017-05-12 09:31 苏糊 阅读(337) 评论(0) 推荐(0)