'substring(to:)' is deprecated: Please use String slicing subscript with a 'partial range upto'

曾经终败给现在 2022-02-27 11:44 358阅读 0赞

swift3 消除警告’substring(to:)’ is deprecated: Please use String slicing subscript with a ‘partial range upto’

Swift3废除了subString(from\to\with:)字符串截取方法。

而截取方法改成了:

let newStr = String(str[..<index]) // = str.substring(to: index) In Swift 3

let newStr = String(str[index…]) // = str.substring(from: index) In Swif 3

let newStr = String(str[range]) // = str.substring(with: range) In Swift 3

可以给string写个扩展延续之前的方法

watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly9ibG9nLmNzZG4ubmV0L3UwMTI5MzgxOTQ_size_16_color_FFFFFF_t_70

发表评论

表情:
评论列表 (有 0 条评论,358人围观)

还没有评论,来说两句吧...

相关阅读