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@@ -189,7 +189,12 @@ extension String {
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return jsonStr
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}
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- static func getArrayFromJSONString(jsonString:String) ->NSArray{
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+
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+ /// json转数组
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+ ///
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+ /// - Parameter jsonString: jsonstring
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+ /// - Returns: 数组
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+ static func getArrayFromJSONString(jsonString:String) ->NSArray {
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let jsonData:Data = jsonString.data(using: .utf8)!
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@@ -202,7 +207,7 @@ extension String {
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}
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//改变指定字符串中内容的颜色
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- func changeTextColor(rangStr : String, rangColor : UIColor) ->NSAttributedString{
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+ func changeTextColor(rangStr : String, rangColor : UIColor) ->NSAttributedString {
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let strg = self
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let ranStr = rangStr
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//所有文字变为富文本
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@@ -215,7 +220,7 @@ extension String {
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return attrstring
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}
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//改变指定字符串中内容的颜色
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- func changeTextColorFont(rangStr : String, rangColor : UIColor,font:UIFont) ->NSAttributedString{
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+ func changeTextColorFont(rangStr : String, rangColor : UIColor,font:UIFont) ->NSAttributedString {
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let strg = self
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let ranStr = rangStr
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//所有文字变为富文本
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@@ -228,9 +233,47 @@ extension String {
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return attrstring
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}
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+ /// 富文本
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+ ///
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+ /// - Returns: html
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func setHTMLImgStyle() -> String {
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let str = "<head><style>img{width:\(kScreenWidth) !important;height:auto}</style></head>\(self)"
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return str
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}
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+
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+
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+ /// 计算string 内容的宽度
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+ ///
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+ /// - Parameters:
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+ /// - font: 字体
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+ /// - height: 高度
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+ /// - Returns: 返回宽度
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+ func widthForComment(font: UIFont, height: CGFloat = 15) -> CGFloat {
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+ let rect = NSString(string: self).boundingRect(with: CGSize(width: CGFloat(MAXFLOAT), height: height), options: .usesLineFragmentOrigin, attributes: [NSAttributedString.Key.font: font], context: nil)
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+ return ceil(rect.width)
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+ }
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+
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+ /// 计算string 内容的高度
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+ ///
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+ /// - Parameters:
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+ /// - font: 字体
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+ /// - width: 宽度
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+ /// - Returns: 返回高度
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+ func heightForComment(font: UIFont, width: CGFloat) -> CGFloat {
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+ let rect = NSString(string: self).boundingRect(with: CGSize(width: width, height: CGFloat(MAXFLOAT)), options: .usesLineFragmentOrigin, attributes: [NSAttributedString.Key.font: font], context: nil)
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+ return ceil(rect.height)
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+ }
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+
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+ /// 计算string 内容的高度
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+ ///
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+ /// - Parameters:
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+ /// - font: 字体
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+ /// - width: 宽度
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+ /// - maxHeight: 最大高度
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+ /// - Returns: 高度
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+ func heightForComment(font: CGFloat, width: CGFloat, maxHeight: CGFloat) -> CGFloat {
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+ let rect = NSString(string: self).boundingRect(with: CGSize(width: width, height: CGFloat(MAXFLOAT)), options: .usesLineFragmentOrigin, attributes: [NSAttributedString.Key.font: font], context: nil)
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+ return ceil(rect.height)>maxHeight ? maxHeight : ceil(rect.height)
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+ }
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}
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南鑫林