JSON值是相同的，那么为什么计数在Swift中改变tableview的分页

Question

我需要增加每5个匹配的计数

1. 如果total_count是0,1,2,3,4,5，那么pageNum = 1

2. 如果total_count为5,6,7,8,9,10，则pageNum = 2…

如。如果total_count为50，则pageNum = 50/5 = 10

这里total_count= 3，但当我每次刷新currentPageNumberVM增加，但为什么?

代码:对于上述逻辑，我已经编写了像currentPageNumberVM += 1 + Int((self.paginationData?.result?.total_count ?? 0 - 1) / 5)这样的代码。但这里total_count保持不变。但是当我刷新时，currentPageNumberVM一直在增加。如何解决这个问题?

var currentPageNumberVM: Int = 1
var isLoadingList: Bool = false
override func viewDidLoad() {
super.viewDidLoad()
self.currentPageNumberVM = 1
self.PagenationMachesService(currentPageNumberVM)
}
private var paginationData = PaginationMaches(dictionary: NSDictionary())
func PagenationMachesService(_ pageNumber: Int) {
let param = ["slug": slugVal ?? "", "page_no": currentPageNumberVM] as [String: Any]
APIReqeustManager.sharedInstance.serviceCall(
param: param as [String: Any], method: .post, url: CommonUrl.get_matches
) { [weak self] (resp) in
if (self?.currentPageNumberVM)! > 1 {
if (PaginationMaches(dictionary: resp.dict as NSDictionary? ?? NSDictionary())?.result?
.matches ?? [Matches]()).count != 0
{
self?.paginationData?.result?.matches! +=
PaginationMaches(dictionary: resp.dict as NSDictionary? ?? NSDictionary())?
.result?.matches ?? [Matches]()
} else {
self?.showSingleButtonAlertWithoutAction(title: "NO more data to show")
}
} else {
self?.paginationData = PaginationMaches(
dictionary: resp.dict as NSDictionary? ?? NSDictionary())
}
self?.isLoadingList = false
self?.machesTable.reloadData()
}
}
@objc func refresh() {
self.currentPageNumberVM += 1 + Int((self.paginationData?.result?.total_count ?? 0 - 1) / 5)
self.PagenationMachesService(currentPageNumberVM)
}
extension MatchesVC {
func scrollViewDidEndDragging(_ scrollView: UIScrollView, willDecelerate decelerate: Bool) {
if (scrollView.contentOffset.y + scrollView.frame.size.height)
>= scrollView.contentSize.height
{
self.isLoadingList = true
self.refresh()
}
}
}

Answer 1

您正在增加currentPageNumberVM的值，因为您正在使用"加法赋值运算符";+=.

将其改为"赋值";操作符=，应该可以正常工作。

self.currentPageNumberVM = 1 + Int((self.paginationData?.result?.total_count ?? 0 - 1) / 5)

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