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犯了一个严重的错误: //1.2 删除拓展名
NSString *imgName = [self stringByDeletingPathExtension];我写成了NSString *imgName = [self stringByDeletingLastPathComponent];// 结果是返回一个空的字符串 (an empty string)
NSLog(@"%@", NSStringFromCGRect(mySerachview.frame));
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原文地址:http://www.cnblogs.com/dengchaojie/p/4743378.html