归档和解档配合NSFile存储数据

　NSString *Name = @"yc";

//第一个常量NSDocumentDirectory表示正在查找沙盒Document目录的路径（如果参数为NSCachesDirectory则表示沙盒Cache目录），

//第二个常量NSUserDomainMask表明我们希望将搜索限制在应用的沙盒内；

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

NSString *pathDirectory = [paths lastObject];

NSLog(@"Documents目录路径=%@",pathDirectory);

//创建文件stringByAppendingPathComponent:路径拼接

NSString *filePath = [pathDirectory stringByAppendingPathComponent:@"wyc"];

NSLog(@"filePath===%@",filePath);

NSFileManager *fileManager = [NSFileManager defaultManager];

if ([fileManager fileExistsAtPath:filePath]){

}else{

NSError *error ;

BOOL isSuccess = [fileManager createDirectoryAtPath:filePath withIntermediateDirectories:YES attributes:nil error:&error];

if (isSuccess) {

NSLog(@"创建文件夹成功");

}else{

NSLog(@"创建文件夹失败");

}

}

//深一层文件路径

NSString* fileDirectory = [filePath stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.arc",Name]];

NSLog(@"new === %@",fileDirectory);

//解档

Person *man = [[Person alloc]init];

man.name = @"大傻";

man.age = @"18";

BOOL success = [NSKeyedArchiver archiveRootObject:man toFile:fileDirectory];

if (success){

NSLog(@"归档成功");

}else{

NSLog(@"归档失败");

}

id  getFile = [NSKeyedUnarchiver unarchiveObjectWithFile:fileDirectory];

NSLog(@"%@",getFile);

//移除文件

-(BOOL)removeFile:(NSString *)fileName{

NSArray *paths = NSSearchPathForDirectoriesInDomains(NSDocumentDirectory, NSUserDomainMask, YES);

NSString *path = [[paths objectAtIndex:0]stringByAppendingPathComponent:@"wyc"];

NSFileManager *manager = [NSFileManager defaultManager];

if (![manager fileExistsAtPath:path]){

return YES;

}

NSString* fileDirectory = [path stringByAppendingPathComponent:[NSString stringWithFormat:@"%@.arc",fileName]];

BOOL success = [manager removeItemAtPath:fileDirectory error:nil];

if (success){

return YES;

}

else{

return NO;

}

}

#import "BaseModel.h"

#import <objc/runtime.h>

@implementation BaseModel

#pragma mark 数据持久化

//序列化

- (void)encodeWithCoder:(NSCoder *)aCoder{

unsigned int outCount, i;

objc_property_t *properties = class_copyPropertyList([self class], &outCount);

for (i = 0; i < outCount; i++){

objc_property_t property = properties[i];

const char* char_f = property_getName(property);

NSString *propertyName = [NSString stringWithUTF8String:char_f];

id propertyValue = [self valueForKey:(NSString *)propertyName];

if (propertyValue){

[aCoder encodeObject:propertyValue forKey:propertyName];

}

}

}

//反序列化

- (id)initWithCoder:(NSCoder *)aCoder{

self = [super init];

if (self){

unsigned int outCount, i;

objc_property_t *properties =class_copyPropertyList([self class], &outCount);

for (i = 0; i<outCount; i++){

objc_property_t property = properties[i];

const char* char_f = property_getName(property);

NSString *propertyName = [NSString stringWithUTF8String:char_f];

NSString *capital = [[propertyName substringToIndex:1] uppercaseString];

NSString *setterSelStr = [NSString stringWithFormat:@"set%@%@:",capital,[propertyName substringFromIndex:1]];

SEL sel = NSSelectorFromString(setterSelStr);

[self performSelectorOnMainThread:sel

withObject:[aCoder decodeObjectForKey:propertyName]

waitUntilDone:[NSThread isMainThread]];

}

}

return self;

}