数据库和3G的结合使用

//

//  设备数据管理类

#import <Foundation/Foundation.h>

#import "DeviceInfo.h"

@interface DeviceDataManager : NSObject

{

    NSMutableArray *dataArray;

}

+(DeviceDataManager *)instance;

-(NSMutableArray *)allDeviceData;//返回所有本地存储的设备

-(DeviceInfo *)getDeviceInfoWith:(NSString *)mac;//根据mac地址返回该设备的信息

-(BOOL)insertOrReqlaceSignalDevice:(DeviceInfo *)devInfo;//插入或修改指定的设备信息

-(BOOL)deleteDeviceWith:(NSString *)mac;//删除指定mac地址的设备

@end

//

//  DeviceDataManager.m

//  SmartHomeWIFI

//

//  Created by 深圳市 秀软科技有限公司 on 14-2-20.

//  Copyright (c) 2014年 huhuaxiang. All rights reserved.

//

#import "DeviceDataManager.h"

#import "SQLdataManger.h"

static DeviceDataManager *devInfoManager;

@implementation DeviceDataManager

-(id)init

{

    if(self=[superinit])

    {

    }

    returnself;

}

+(DeviceDataManager *)instance

{

    if(!devInfoManager)

        devInfoManager=[[DeviceDataManageralloc]init];

    returndevInfoManager;

}

-(NSMutableArray *)allDeviceData

{

    if(!dataArray||dataArray.count<1)

        [selfdataArrayInit];

    returndataArray;

}

-(DeviceInfo *)getDeviceInfoWith:(NSString *)mac

{

    for (DeviceInfo *info indataArray) {

        if([info.mac isEqualToString:mac])

            return info;

    }

    returnnil;

}

-(BOOL)insertOrReqlaceSignalDevice:(DeviceInfo *)devInfo

{

    if(!devInfo)return NO;

    BOOL flag=[[SQLdataMangerinstance]insertOrReqlaceSignalDevice:devInfo];

    if(flag)

    {

        //如果存在则删除原来的，更新现在的

        DeviceInfo *info;

        BOOL exite=NO;

        for (int i=0; i<dataArray.count; i++) {

            info=[dataArray objectAtIndex:i];

            if([info.mac isEqualToString:devInfo.mac])

            {

                info=devInfo;

                exite=YES;

            }

        }

        if(!exite)

            [dataArray addObject:devInfo];

    }

    return flag;

}

-(BOOL)deleteDeviceWith:(NSString *)mac

{

    BOOL flag=[[SQLdataMangerinstance]deleteTableDataWithMAC:mac];

    if(flag)

    {

        for (DeviceInfo *info in dataArray) {

            if([info.mac isEqualToString:mac])

               [dataArray removeObject:info];

        }

    }

    return flag;

}

-(void)dataArrayInit

{

    NSArray *dataA=[[SQLdataMangerinstance]queryDeviceInfoTable];

    dataArray=[[NSMutableArrayalloc]initWithArray:dataA];

}

@end

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