我想从swiftui coredata中显示出今天或过去24小时内输入的数据列表,我不知道语法和逻辑如何在@FetchRequest的谓词中获取今天的数据。我不知道语法或逻辑如何得到今天的数据上的谓词@FetchRequest。谁能帮帮我,这里是显示所有数据的代码。
@FetchRequest(
entity: ExpenseLog.entity(),
sortDescriptors: [
NSSortDescriptor(keyPath: \ExpenseLog.date, ascending: true)
]
//,predicate: NSPredicate...
)
private var result: FetchedResults<ExpenseLog>
...
ForEach(self.result)
{
(log: ExpenseLog) in
ZStack{
HStack(spacing: 16) {
CategoryImageView(category: log.categoryEnum)
VStack(alignment: .leading, spacing: 8) {
Text(log.nameText).font(.headline)
Text(log.dateText).font(.subheadline)
}
Spacer()
Text(log.amountText).font(.headline)
} .padding(.vertical, 8) .padding(.horizontal,4)
}
}
只是过滤你的列表与
Calendar.current.isDateInToday(yourDate)
Calendar.current.isDateInYesterday(yourDate)