Date 类型的操作格式化并转化成字符串

   NSDate *da=[thisdata valueForKey:@"date"];

   

    NSDateFormatter *dateformatter=[[[NSDateFormatteralloc]init]autorelease];

    [dateformatter setDateFormat:@"MMMM dd, yyyy"];

    

    NSString *resumename=[thisdata valueForKey:@"name"];

    NSString *resumetime=[[NSStringalloc]initWithFormat:@"%@",[dateformatter stringFromDate:da]];

    NSLog(@"resume time:%@",resumetime);