沙盒获取路径

• 模拟器的路径

/contents/developer/platforms/iphoneos.platform/devicesupport

• 获取沙盒根目录路径

NSString*homeDir = NSHomeDirectory();

• 获取Documents目录路径

NSString*docDir = [NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask,YES) firstObject];

• 获取Library的目录路径

NSString*libDir = [NSSearchPathForDirectoriesInDomains(NSLibraryDirectory,NSUserDomainMask,YES) lastObject];

• 获取cache目录路径

NSString*cachesDir = [NSSearchPathForDirectoriesInDomains(NSCachesDirectory,NSUserDomainMask,YES) firstObject];

// directory:搜索文件夹
// domainMask:在哪个范围内搜索 NSUserDomainMask:在用户中查找
// expandTilde: YES :在路径展开 NO:不展开路径 ~:代替沙盒路径

• 获取tmp目录路径

NSString*tmpDir =NSTemporaryDirectory();

• 获取工程路径

NSLog(@"%@",[[NSBundle mainBundle] bundlePath]);

• 获取工程目录下的文件路径

NSString*imagePath = [[NSBundle mainBundle] pathForResource:@"apple" ofType:@"png"];
UIImage*appleImage = [[UIImage alloc] initWithContentsOfFile:imagePath];