NSMutableAttributedString在tableviewcell中不具有特定范围

问题描述

我已关注但没有解决我的问题。

I have followed this question but didn't solve my problem.

我在ViewController中有一个 tableview ， tableviewcell 有标签。我想用 NSStrikethroughStyleAttributeName 设置 attributedString 。如果我将完整的字符串设置为删除线它会但如果我设置为部分它不起作用。

I have a tableview in ViewController , tableviewcell have a label. I want to set attributedString with NSStrikethroughStyleAttributeName. If i am setting complete string as a strikethrough it works but if i am setting as partial it doesn't works.

let strOriginalPrice = "my price"
let strdiscountedPrice = "discounted price"
let strPrice = strOriginalPrice+" "+strdiscountedPrice

let attributeString: NSMutableAttributedString =  NSMutableAttributedString(string: strPrice)
 attributeString.addAttribute(NSStrikethroughStyleAttributeName, value: 2, range: NSMakeRange(0, attributeString.length))

cell.lblPrice.attributedText = attributeString

let attributedDiscunt: NSMutableAttributedString =  NSMutableAttributedString(string: strPrice)
            attributedDiscunt.addAttribute(NSStrikethroughStyleAttributeName, value:2, range: NSMakeRange(0, strOriginalPrice.characters.count-1))

cell.lblPrice.attributedText = attributedDiscunt

推荐答案

试试这个，

   let strOriginalPrice = "my price"
    let strdiscountedPrice = "discounted price"
    let strPrice = strOriginalPrice+" "+strdiscountedPrice

 //        let attributeString: NSMutableAttributedString =  NSMutableAttributedString(string: strPrice)
//        attributeString.addAttribute(NSStrikethroughStyleAttributeName, value: 2, range: NSMakeRange(0, attributeString.length))

    let attributedDiscunt: NSMutableAttributedString =  NSMutableAttributedString(string: strPrice)
    attributedDiscunt.addAttribute(NSStrikethroughStyleAttributeName, value:2, range: NSMakeRange(0, strOriginalPrice.characters.count-1))
    attributedDiscunt.addAttribute(NSBaselineOffsetAttributeName, value: 0, range: NSMakeRange(0, strOriginalPrice.characters.count-1))


    cell.lblPrice.attributedText = attributedDiscunt

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