#import <Foundation/Foundation.h> #import "SBModel.h" #import "AutoCoding.h"@interface UserModel : SBModel <NSCoding> /* 命名方式 OC/Java都是遵守駝峰原則/波浪命名方法在PHP, Linux里面命名是按照 _ 隔開 全小寫命名需要把*/ //Login @property (nonatomic, strong) NSString *bid; @property (nonatomic, strong) NSString *mobile; @property (nonatomic, strong) NSString *token;// 表示自己當前用戶 單例 + (id) currUser;// 保存當前用戶myself + (void) saveMyself; // 恢復當前用戶 + (id) restoreMyself;+ (BOOL) isExistMyself; + (void) deleteSaveMyself;// 把對象self拷貝到target對象中 - (id) copyToObject:(id)target; @end//#define myself [UserModel currUser] #define myself ((UserModel *)[UserModel currUser])#import "UserModel.h"@implementation UserModel+ (id) currUser {static UserModel *um;if (um == nil)um = [[UserModel alloc] init];return um; }#pragma mark - 使用AutoCoding自動進行歸檔static inline NSString * myselfSaveFile() {return [NSHomeDirectory() stringByAppendingString:@"/Library/Caches/myself"]; }+ (void) saveMyself {NSString *path = myselfSaveFile();// 使用自動歸檔開源庫 直接把對象寫入到文件中 [myself writeToFile:path atomically:YES];}// 恢復當前用戶 + (id) restoreMyself {NSString *path = myselfSaveFile();// 從path路徑找到并解檔案UserModel *um = [self objectWithContentsOfFile:path];return um; }+ (BOOL) isExistMyself {NSString *path = myselfSaveFile();id obj = [self objectWithContentsOfFile:path];if ([obj isKindOfClass:[self class]]) {return YES;}return NO; }+ (void) deleteSaveMyself {NSString *path = myselfSaveFile();[[NSFileManager defaultManager] removeItemAtPath:path error:nil]; }#pragma mark - 自動實現(xiàn)了拷貝NSCopying功能 - (id)copyWithZone:(NSZone *)zone {id copy = [[[self class] alloc] init];for (NSString *key in [self codableProperties]) {[copy setValue:[self valueForKey:key] forKey:key];}return copy; }// 把self存于target對象中 - (id) copyToObject:(id)target {for (NSString *key in [self codableProperties]) {[target setValue:[self valueForKey:key] forKey:key];}return target; }@end

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轉(zhuǎn)載于:https://www.cnblogs.com/sixindev/p/4565882.html

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