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Sep. 8th, 2024
 
2024年 8月 6日

Post: iOS: NSString 替换 Unicode 字符

iOS: NSString 替换 Unicode 字符

Published 12:10 Oct 20, 2014.

Created by @ezra. Categorized in #Programming, and tagged as #iOS.

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NSString 中的 Unicode 字符替换为 UTF-8 字符:

- (NSString *)stringByReplacingUnicodeWithUTF8 {
    NSString *tempStr1 = [self stringByReplacingOccurrencesOfString:@"\\u"withString:@"\\U"];
    if (![tempStr1 containsString:@"\\U"]) {
        return self;
    }
    NSString *tempStr2 = [tempStr1 stringByReplacingOccurrencesOfString:@"\""withString:@"\\\""];
    NSString *tempStr3 = [[@"\""stringByAppendingString:tempStr2]stringByAppendingString:@"\""];
    NSData *tempData = [tempStr3 dataUsingEncoding:NSUTF8StringEncoding];
    NSString *returnStr = [NSPropertyListSerialization propertyListWithData:tempData options:NSPropertyListImmutable format:NULL error:nil];
    return [returnStr stringByReplacingOccurrencesOfString:@"\\r\\n"withString:@"\n"];
}
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