摘要： componentsSeparatedByString:NSMutableArray *components = [messageStr componentsSeparatedByString:@"*"] ;反过来为NSStrig *str = [components componentsJoinedByString:@"*"]; 阅读全文

摘要： -(id)dequeueReusableCellWithIdentifier:(NSString*)identifier;-(id)dequeueReusableCellWithIdentifier:(NSString*)identifierforIndexPath:(NSIndexPath*)indexPathNS_AVAILABLE_IOS(6_0);//newer第一个:-(id)dequeueReusableCellWithIdentifier:(NSString*)identifier;在初始化时候用:staticNSString*CellIdentifier=@"Cell 阅读全文