IOS 登入資訊類（使用單例）

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WCUserInfo.h

#import <Foundation/Foundation.h>#import "Singleton.h"@interface WCUserInfo : NSObjectsingleton_interface(WCUserInfo);@property (nonatomic, copy) NSString *user;//使用者名稱@property (nonatomic, copy) NSString *pwd;//密碼/** *  登入的狀態 YES 登入過/NO 登出 */@property (nonatomic, assign) BOOL  loginStatus;@property (nonatomic, copy) NSString *registerUser;//註冊的使用者名稱@property (nonatomic, copy) NSString *registerPwd;//註冊的密碼/** *  從沙箱裡擷取使用者資料 */-(void)loadUserInfoFromSanbox;/** *  儲存使用者資料到沙箱  */-(void)saveUserInfoToSanbox;@end

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WCUserInfo.m

#import "WCUserInfo.h"#define UserKey @"user"#define LoginStatusKey @"LoginStatus"#define PwdKey @"pwd"@implementation WCUserInfosingleton_implementation(WCUserInfo)-(void)saveUserInfoToSanbox{    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];    [defaults setObject:self.user forKey:UserKey];    [defaults setBool:self.loginStatus forKey:LoginStatusKey];    [defaults setObject:self.pwd forKey:PwdKey];    [defaults synchronize];    }-(void)loadUserInfoFromSanbox{    NSUserDefaults *defaults = [NSUserDefaults standardUserDefaults];    self.user = [defaults objectForKey:UserKey];    self.loginStatus = [defaults boolForKey:LoginStatusKey];    self.pwd = [defaults objectForKey:PwdKey];}@end

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IOS 登入資訊類（使用單例）