将 nsstring 数据转换为 nsarray (plist)
我想将下载的字符串转换为 NSArray。首先，我使用 URLFetcher 下载数据。之后我需要将 plist 数据转换为 nsarray。但未能成功。
-(void)urlDidFinish:(UrlFetcher *)urlFetcher withString:(NSString *) responseString {
NSLog(@"Response: %@", responseString);
data = [NSArray arrayWithContentsOfFile:responseString];
[table reloadData];
}
I would like to convert downloaded string to NSArray. First of all I download data with URLFetcher. After that I need to convert my plist data to nsarray. But could not succeeded.
-(void)urlDidFinish:(UrlFetcher *)urlFetcher withString:(NSString *) responseString {
NSLog(@"Response: %@", responseString);
data = [NSArray arrayWithContentsOfFile:responseString];
[table reloadData];
}
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这不起作用，因为 arrayWithContentsOfFile 正在使用字符串作为路径。换句话说，它期望
responseString是您计算机上的一个文件，而不是包含数据的字符串。也许你可以考虑使用 arrayWithContentsOfURL 来代替，它可能会自动从 URL 获取数据，而不必自己下载，但由于安全限制等原因，我不确定。
您可能对此问题感兴趣：将 Plist (NSString) 解析为 NSDictionary
This isn't working because
arrayWithContentsOfFileis using the string as a path. In other words, it is expectingresponseStringto be a file on your computer, not a string that contains the data.Perhaps you could consider using
arrayWithContentsOfURLinstead, which might get the data from the URL automatically without having to download it yourself, but I'm not sure due to security restrictions and so on.You might be interested in this question: Parse Plist (NSString) into NSDictionary