qlpreviewcontroller导航栏 - 如何更改PAGECOUNT为String [关闭]

问题描述 投票:-1回答:1

QLPreviewController的导航栏标题显示像6 2当前页码,但我想这个标题改为像当前文件名任意字符串。

ios swift qlpreviewcontroller
1个回答
0
投票

尝试这个

        let lblNavTitle = UILabel(frame: CGRect(x: 60, y: 10, width: view.frame.size.width-110, height: 20))
        lblNavTitle?.textAlignment = .center
        lblNavTitle?.lineBreakMode = .byTruncatingMiddle
        lblNavTitle?.text = "File Name"
        navigationItem.titleView = lblNavTitle

要么

只需设置标题属性像

self.title = "File Name"

可能它会为你工作

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