前置動作
將檔案丟到專案裡面,記得Add to targets的第一個要打勾,不然會找不到檔案![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEi11nmNhVW07AIIwH9Fm3clbHgC3m2Nd-jDO5TehUFNO-6RW0w_gmb5O7FbLOAPWVTNkbJT4c-1RYP39NIG3-MZBBIGsv5F-9gziasIKdRi7UodPEAHY6i92JiqWmLgzLMUHh9aijH3D1Ue/s640-rw/%25E8%259E%25A2%25E5%25B9%2595%25E5%25BF%25AB%25E7%2585%25A7+2017-03-01+%25E4%25B8%258B%25E5%258D%25883.11.49.png)
程式範例
NSString *filePath = [[NSBundle mainBundle]pathForResource:@"Holy place of stargazers.mp4" ofType:nil];NSLog(@"file path: %@",filePath);
NSData *shareData = [NSData dataWithContentsOfFile:filePath];
float shareDataSize = shareData.length;
NSLog(@"share data file size: %.2f , %.2f MB",shareDataSize,shareDataSize/1024.0f/1024.0f);
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