NSString *insertSQL = [NSString stringWithFormat:@"INSERT INTO ADDEXPENSE(date, description, category, amount) VALUES (\"%@\", \"%@\", \"%@\",\"%@\")", fieldOne.text, fieldTwo.text,fieldThree.text , fieldFour.text];
我已经采取了fieldOne日期选择器和保存数据工作正常。 但如何检索两个日期之间的数据?SQLite查询检索两个日期之间的数据保存为字符串
,这是我用
UIDatePicker *picker = (UIDatePicker *)sender;
NSDate *dateSelected = [picker date];
NSDateFormatter *dateFormatter = [[NSDateFormatter alloc] init];
[dateFormatter setDateStyle:NSDateFormatterMediumStyle];
你有问题的解决方案吗? –