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iphone - 为什么不 stringByReplacingPercentEscapesUsingEncoding : convert L%C3%A9on back to Léon?

转载 作者:塔克拉玛干 更新时间:2023-11-02 09:50:15 24 4
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我有以下内容:

modifiedTitle = @"Léon";
modifiedTitle = [modifiedTitle stringByAddingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSLog(@"%@", modifiedTitle);

转换后,它现在显示为 L%C3%A9on

当我运行以下命令时,它不会将其转换回来:

NSMutableString *searchText = [NSMutableString stringWithString:modifiedTitle];
[searchText stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSLog(@"%@", searchText);

它仍然显示为 L%C3%A9on

有人知道为什么吗?

最佳答案

因为 stringByReplacingPercentEscapesUsingEncoding: 返回一个新字符串。试试这个:

NSMutableString *searchText = [NSMutableString stringWithString:modifiedTitle];
NSString *newText = [searchText stringByReplacingPercentEscapesUsingEncoding:NSUTF8StringEncoding];
NSLog(@"%@", newText);

关于iphone - 为什么不 stringByReplacingPercentEscapesUsingEncoding : convert L%C3%A9on back to Léon?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/10237842/

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