// 1.路径
// NSString *path = [self getDocumetnPath];
// 2.创建文件
// path = [path stringByAppendingString:@"/my.txt"]; // 加/***在路径目录---文件夹下
// 3.写入文件
// NSString *name = @"百川";
// [name writeToFile:path atomically:YES encoding:NSUTF8StringEncoding error:nil]; // 字符串写入沙盒
// 数组写入文件
/*NSString *path = [self getDocumetnPath];
NSLog(@"%@",path);
path = [path stringByAppendingString:@"/array.txt"]; // plist---写plist文件
NSArray *nameArray = @[@"百川",@"隋松",@"徐光耀",@"三毛"];
[nameArray writeToFile:path atomically:YES];
*/
// 字典写入文件
/*
NSString *path = [self getDocumetnPath];
NSLog(@"%@",path);
path = [path stringByAppendingString:@"/dict.plist"]; // 字典写成plist文件
NSDictionary *dict = @{@"男":@[@"1",@"2",@"6"],@"女":@[@"x",@"y",@"z"]};
[dict writeToFile:path atomically:YES];
*/
// NSData(二进制)写入文件
/*
NSString *path = [self getDocumetnPath];
NSLog(@"%@",path);
path = [path stringByAppendingString:@"/data"];
NSString *string = @"hehheheh呵呵ehehheehe";
NSData *data = [string dataUsingEncoding:NSUTF8StringEncoding];
NSLog(@"%@",data);
[data writeToFile:path atomically:YES];
*/
// 读取沙盒文件的内容 ****** 内容结构
/*
NSString *path = [self getDocumetnPath];
NSLog(@"%@",path);
path = [path stringByAppendingString:@"/dict.plist"];
NSDictionary *readDic = [NSDictionary dictionaryWithContentsOfFile:path];
NSLog(@"%@",readDic);
*/
/**
IOS中只有NSString NSArray NSDictionry NSData（以及他们的可变类）可以直接在沙盒里面写入，其他的不可以***数组
字典等容器里面存储的数据必须是上述的数据
*/
// 复杂对象
/*
Person *p = [[Person alloc] init];
p.name = @"三毛";
p.sex = @"男";
NSString *path = [self getDocumetnPath];
NSLog(@"%@",path);
path = [path stringByAppendingString:@"/person"];
// 归档把person存入沙盒中
// 1.创建一个可变的二进制数据对象
NSMutableData *data = [NSMutableData data];
// 2.根据data创建归档对象
NSKeyedArchiver *archiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:data];
// 3.对person进行编码
[archiver encodeObject:p forKey:@"aperson"];
// 4.结束编码（归档）
[archiver finishEncoding]; // 很重要
// 把data存入沙盒中
[data writeToFile:path atomically:YES];
*/
/*
Teacher *ate = [[Teacher alloc] init];
ate.name = @"哈哈哈";
ate.age = @"30";
NSString *path1 = [self getDocumetnPath];
path1 = [path1 stringByAppendingString:@"/techer"];
NSMutableData *teaData = [NSMutableData data];
NSKeyedArchiver *teaArchiver = [[NSKeyedArchiver alloc] initForWritingWithMutableData:teaData];
[teaArchiver encodeObject:ate forKey:@"atecher"];
[teaArchiver finishEncoding];
[teaData writeToFile:path1 atomically:YES];
*/
// 取出teacher对象---反归档
/*
// 1.找路径
NSString *path = [[self getDocumetnPath] stringByAppendingString:@"/techer"];
// 2.根据路取出二进制data
NSData *data = [NSData dataWithContentsOfFile:path];
// 3.根据取出的data（二进制数据）---创建NSKeyedUAnrchiver对象
NSKeyedUnarchiver *unarchiver = [[NSKeyedUnarchiver alloc] initForReadingWithData:data];
// 4.根据归档时的key值拿出teacher对象 ****** 解码******
Teacher *teacher = [unarchiver decodeObjectForKey:@"atecher"];
// 5.结束反归档
[unarchiver finishDecoding];
NSLog(@"%@ %@",teacher.name,teacher.age);
*/
