OC Nsfilemanager folder creation, file move, file copy, file Rename

//Initialize management class

Nsfilemanager * manager = [nsfilemanagerdefaultmanager];

// Path

nsstring * directorypath = [nshomedirectory()stringbyappendingpathcomponent : @ "/desktop/ My folder 1/ my folder 2" ];

nserror * error = nil;

        if([ManagerCreatedirectoryatpath:D Irectorypathwithintermediatedirectories:NOattributes:NilError: &error]! =YES) {

NSString * str = [ERROR localizeddescription];

NSLog (@ " Create failed ");

}Else {

NSString * str = [ERROR localizeddescription];

NSLog (@ " Create success ");

}

If this is no, then the middle: My folder 1 (whether or not it existed before) is not created and does not exist before.

Run results

2015-04-11 11:30:41.477 2. Create a folder [852:537431] creation failed

Program ended with exit code:0

If yes, in the middle: My folder 1 (no matter if it was not present) is created, there is no time between

Run results (Create a folder for my folders 1 below him in my folder 2)

2015-04-11 11:38:11.547 2. Create a folder [877:577493] created successfully

Program ended with exit code:0

Two ways to rename a file:

Method One, the idea: 1. Extract the original file data,

2. Save the data to the new file,

3. Delete the original file

method Two, with [manager moveitematpath: FilePathtopath: NewPath Error :nil]; method will filepath

File name under path change to NewPath

Assign a value to the file NSData, after the content changes within the file, the file content after move remains consistent with the last modification

If the file NSData is not assigned, it is changed within the out-of-program file, and the new file remains empty after the move.

Comprehensive Exercises:

Create a new folder, move the files outside the folder to the inside of the folder, and copy a copy

1. How to create a new OC folder

2. Movement of files

3. Copying of files

#import <Foundation/Foundation.h>

int Main (int argc,const Char * argv[]) {

@autoreleasepool {

//File Manager

Nsfilemanager * manager = [nsfilemanagerdefaultmanager];

//Folder address

nsstring * Directorpath = [nshomedirectory()stringbyappendingpathcomponent :@ "Desktop/goods"];

//File address

nsstring * FilePath = [nshomedirectory()STRINGBYAPPENDINGPATHCOMPONENT : @ "Desktop/east.txt" ];

nsstring * filePath2 = [nshomedirectory()stringbyappendingpathcomponent: /c4>@ "Desktop/goods/east.txt"];

//File Data

nsstring * strfordata = @ "Goods is selling good!";

nsdata * dataforfile = [Strfordatadatausingencoding:nsutf8stringencoding];

if ([managerCreatedirectoryatpath:d irectorpath withintermediatedirectories< c4>:YESattributes:nilerror:nil]) {

NSLog (@ "Create success");

}

if ([Manager Fileexistsatpath: FilePath]) {

NSLog (@ "file exists");

}Else{

[Manager Createfileatpath: FilePathcontents:d ataforfile attributes:nil];

NSLog (@ "file created successfully! ");

}

if ([Manager Moveitematpath: FilePath topath: filePath2error:nil]) {

NSLog (@ "mobile success");

}Else{

NSLog (@ "move failed");

}

nsstring * filePath3 = [nshomedirectory()stringbyappendingpathcomponent: /c4>@ "Desktop/goods/1east.txt"];

//Copy

if ([Manager Copyitematpath: filePath2 topath: FilePath3error:nil]) {

NSLog (@ "Success");

}Else{

NSLog (@ "fail");

}

}

return 0;

}

OC Nsfilemanager folder creation, file move, file copy, file Rename