IOS app下常用路径获取

1.获取APP程序路径

NSString *path = [NSHomeDirectory();

2.获取沙盒Documents

1.NSDocumentDirectory ---->要获取的Documents  2.NSUserDomainMask--->在当前应用程序下

NSCachesDirectory ----->缓存目录

NSString *path = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES)[0]；

或

NSString *path = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents/data.plist"];

3.获取临时目录

NSString *path = NSTemporaryDirectory();

4.获取App程序应用包路径

NSString * path = [[NSBundle mainBundle] resourcePath];