Obtain the path for iOS

Because of various requirements, the paths to be obtained are inconsistent, so write this article for memo.

- (NSString *)getDocumentPath{    NSString *path = nil;        // Method 1    NSArray *pathsArray = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);    path = [pathsArray objectAtIndex:0];        // Method 2//    path = [NSHomeDirectory() stringByAppendingPathComponent:@"Documents"];        return path;}- (NSString *)getAppPath{    NSString *path = nil;        path = NSHomeDirectory();        return path;}

// In the tmp directory, we can write data that is needed when the program is running. The data written in the tmp directory will not exist after the program exits. -(Nsstring *) gettmppath {nsstring * Path = nil; Path = nstemporarydirectory (); return path;}-(nsstring *) getapppackagepath {nsstring * Path = nil; // method 1 Path = [[nsbundle mainbundle] resourcepath]; // method 2 return path;}-(nsstring *) getfilepath {nsstring * Path = nil; nsfilemanager * filemanager = [nsfilemanager defaultmanager]; nsurl * pathurl = [filemanager urlfordirectory: nsapplicationsuppdirectory directory indomain: nsuserdomainmask metadata: Nil create: Yes error: NULL]; Path = [pathurl path]; return Path ;}