[非凡程序員]文件管理

#import <Foundation/Foundation.h>

int main(int argc, const char * argv[]) {

    @autoreleasepool {

       //在oc裏面對文件路徑操做須要NSString

        NSString *homePath = NSHomeDirectory();

        NSLog(@"%@",homePath);

        

        

  NSDate *date = [NSDate date];

        NSLog(@"%@",date);

        NSDateFormatter *formater = [[NSDateFormatter alloc]init];

        [formater setDateFormat:@"yyyy年MM月dd日 hh點mm分ss秒\n"];

        NSString *  okname  = [formater stringFromDate:date];

        NSString *desktopPath = @"/Users/feifanchengxuyuan1/Desktop";

        NSArray *arrayCom = [desktopPath pathComponents];

        NSLog(@"%@",arrayCom);

        [desktopPath lastPathComponent];

       NSLog(@"追加路徑：%@", [desktopPath stringByAppendingPathComponent:@"test.txt"]);

        

        //文件管理

        NSFileManager *fileManger = [NSFileManager defaultManager];

        NSString *appendCon = @"alice\n";

        NSData *appendData = [appendCon dataUsingEncoding:NSUTF8StringEncoding];

        if ([fileManger createFileAtPath:[desktopPath stringByAppendingPathComponent:@"createFile.txt"] contents:appendData attributes:nil]) {

            

            NSLog(@"文件建立成功！");

        }

       NSData *contentData = [fileManger contentsAtPath:[desktopPath stringByAppendingPathComponent:@"createFile.txt"]];

//        NSLog(@"===%@",contentData);

        NSString *contentStr = [[NSString alloc]initWithData:contentData encoding:NSUTF8StringEncoding];

        NSLog(@"===%@",contentStr);

        

        //複製文件

        NSString *copyPath = @"/Users/feifanchengxuyuan1/Desktop/file/createFile.txt";

        [fileManger copyItemAtPath:[desktopPath stringByAppendingPathComponent:@"createFile.txt"] toPath:copyPath error:nil];

        //刪除文件

        [fileManger removeItemAtPath:copyPath error:nil];

        

        //建立目錄

        if( [fileManger createDirectoryAtPath:@"/Users/feifanchengxuyuan1/Desktop2/fileTest" withIntermediateDirectories:NO attributes:nil error:nil]){

            NSLog(@"目錄建立成功");

        }

        else{

            NSLog(@"目錄建立失敗");

        }

      NSLog(@"%@",  [fileManger contentsOfDirectoryAtPath:desktopPath error:nil]);

        // 深度遍歷目錄路徑

//      NSLog(@"%@",  [fileManger subpathsOfDirectoryAtPath:desktopPath error:nil]);

        NSFileHandle *filehandleI = nil;

        [NSFileHandle fileHandleForReadingAtPath:[desktopPath stringByAppendingPathComponent:@"createFile.txt"]];

//        NSFileHandle *fileHandle = [[NSFileHandle alloc]init];

//        filehandleI = [NSFileHandle fileHandleForUpdatingAtPath:[desktopPath stringByAppendingPathComponent:@"createFile.txt"]];

        [filehandleI seekToEndOfFile];

        NSString *appendContent = @"hilary\n";

        NSData *appeddData = [appendContent dataUsingEncoding:NSUTF8StringEncoding];

        [filehandleI writeData:appeddData];

        [filehandleI closeFile];

        

    }

    return 0;

}