#import
intmain(intargc,constchar* argv[])
{
@autoreleasepool
{
NSFileManager *manager = [[NSFileManager alloc]init];
NSString *path = @"/Users/qijiaming/Desktop/1410C.txt";
//加入内容
NSString*str =@"wo ai ni ";
NSData *data = [str dataUsingEncoding:NSUTF8StringEncoding];
[managercreateFileAtPath:path contents:data attributes:nil];
//获取路径
NSString *lu = [path stringByAppendingPathComponent:@"1410C.txt"];
NSLog(@"%@",lu);
//先打开
NSFileHandle*handle = [NSFileHandlefileHandleForUpdatingAtPath:path];
NSData*du = [handlereadDataToEndOfFile];//在读
NSString *huan = [[NSString alloc]initWithData:du encoding:NSUTF8StringEncoding];//转换成 二进制
//存到字典并输出
NSDictionary *dic = [NSDictionary dictionaryWithObjectsAndKeys:huan,@"值", nil];
NSLog(@"%@",dic.allValues);
//判断
NSFileManager*manager1 = [[NSFileManageralloc]init];
NSString *path1 =@"/Users/qijiaming/Desktop/love10C.txt";
BOOLa = [manager1fileExistsAtPath:path1];
if(a ==1)
{
NSLog(@"存在");
}
else
{
[managercreateFileAtPath:path1 contents:nil attributes:nil];
}
//写入内容
NSFileHandle*handle1 = [NSFileHandlefileHandleForUpdatingAtPath:path1];
NSString *str1 = @"我是1602C班的成员,我们是一个集体";
NSData *data1 = [str1 dataUsingEncoding:NSUTF8StringEncoding];
[handle1writeData:data1];
[handle1seekToFileOffset:0];
//读取内容
NSData*dateNew = [handle1readDataToEndOfFile];
NSString *strNew = [[NSString alloc]initWithData:dateNew encoding:NSUTF8StringEncoding];
NSLog(@"%@",strNew);
}
return 0;
}
