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//获取根目录
NSString *homePath = NSHomeDirectory();
NSLog(@"Home目录:%@",homePath);
//获取Documents文件夹目录,第一个参数是说明获取Doucments文件夹目录,第二个参数说明是在当前应用沙盒中获取,所有应用沙盒目录组成一个数组结构的数据存放
NSArray *docPath = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory,NSUserDomainMask, YES);
NSString *documentsPath = [docPath objectAtIndex:0];
NSLog(@"Documents目录:%@",documentsPath);
//获取Cache目录
NSArray *cacPath = NSSearchPathForDirectoriesInDomains(NSCachesDirectory, NSUserDomainMask, YES);
NSString *cachePath = [cacPath objectAtIndex:0];
NSLog(@"Cache目录:%@",cachePath);
//Library目录
NSArray *libsPath = NSSearchPathForDirectoriesInDomains(NSLibraryDirectory, NSUserDomainMask, YES);
NSString *libPath = [libsPath objectAtIndex:0];
NSLog(@"Library目录:%@",libPath);
//temp目录
NSString *tempPath = NSTemporaryDirectory();
NSLog(@"temp目录:%@",tempPath);
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原文地址:http://www.cnblogs.com/Merrill/p/5112605.html