Question

我正在尝试将表情符号编码字符串转换为JSON字符串中的字符。一些表情符号正在转换，而另一些则没有。

我正在使用的功能：

extension String {
var decodeEmoji: String? {
    let data = self.data(using: String.Encoding.utf8)
    let decodedStr = NSString(data: data!, encoding: String.Encoding.nonLossyASCII.rawValue)
    if decodedStr != nil {
        return decodedStr as String?
    }
    return self
    }
}


JSON string: Altre novitÃ  in arrivo oggi...  \ud83d\udcaa\ud83c\udffb

“\ud83d\udcaa\ud83c\udffb”是表情符号的表情符号。

Answer 1

查看此answer或显示您可以使用的情感NSAttributedString

NSAttributedString * attrStr = [[NSAttributedString alloc] initWithData:[text dataUsingEncoding:NSUnicodeStringEncoding] options:@{ NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType } documentAttributes:nil error:nil];

例如，为UILabel

创建扩展程序

@implementation UILabel (Emotion)

- (void)setHtmlText:(NSString *)text
{
    self.text = text;

    NSDictionary *attributes = [self.attributedText attributesAtIndex:0 longestEffectiveRange:nil inRange:NSMakeRange(0, self.attributedText.length)];

    NSMutableAttributedString * attrStr = [[NSMutableAttributedString alloc] initWithData:[text dataUsingEncoding:NSUnicodeStringEncoding] options:@{ NSDocumentTypeDocumentAttribute: NSHTMLTextDocumentType } documentAttributes:nil error:nil];

    [attrStr addAttributes:attributes range:NSMakeRange(0, attrStr.length)];

    self.attributedText = attrStr;
}

@end

将表情符号从JSON字符串转换为字符

1 个答案: