内存管理

.h 文件 

/*

 *  Copyright (c) 2013年 北京欧乐吧技术有限公司. All rights reserved.

 *  LandTipItem.h

 *  GNThumb4IPhone

 *  Created by crossmo/fulijun on 2013-1-29.

 */

#import <Foundation/Foundation.h>

@interface LandTipItem : NSObject

//common

@property (nonatomic,assign)NSInteger       catid;    //id

@property (nonatomic,copy)  NSString*       key;      //key

@property (nonatomic,copy)  NSString*       name;     //name

@property (nonatomic,copy)  NSString*       desc;     //decription

@property (nonatomic,assign)NSInteger       order;    //order

@property (nonatomic,copy)  NSString*       icon;     //icon ,normal

@property (nonatomic,copy)  NSString*       icon_t;   //icon, touch

@property (nonatomic,copy)  NSString*       icon_s;   //icon,selected

@property (nonatomic,assign)NSInteger       tiptype;  //tip type

@property (nonatomic,assign)NSInteger       tipcount; //tip count

//only for show in view

@property (nonatomic,assign)BOOL            modify;   //can be modifed

@property (nonatomic,assign)BOOL            selected; //select state

/**

 *reference:sort by order

 *parameters:inObject(LandTipItem instance)

 *return:NSOrderedAscending = -1L, NSOrderedSame, NSOrderedDescending

 */

- (NSComparisonResult)compareByOrder:(id)inObject;

@end

.m文件

/*

 *  Copyright (c) 2013年 北京欧乐吧技术有限公司. All rights reserved.

 *  LandTipItem.m

 *  GNThumb4IPhone

 *  Created by crossmo/fulijun on 2013-1-29.

 */

#import "LandTipItem.h"

@implementation LandTipItem

@synthesize  catid;

@synthesize  key;

@synthesize  name;

@synthesize  desc;

@synthesize  order;

@synthesize  icon;

@synthesize  icon_t;

@synthesize  icon_s;

@synthesize  modify;

@synthesize  selected;

@synthesize  tiptype;

@synthesize  tipcount;

- (void)dealloc

{

    [key release];

    [name release];

    [desc release];

    [icon release];

    [icon_t release];

    [icon_s release];

    [super dealloc];

}

/**

 *reference:sort by order

 *parameters:inObject(LandTipItem instance)

 *return:NSOrderedAscending = -1L, NSOrderedSame, NSOrderedDescending

 */

- (NSComparisonResult)compareByOrder:(id)inObject

{

    LandTipItem* temp = (LandTipItem*)inObject;

    if (temp.order <=self.order) {

        returnNSOrderedDescending;

    }else{

        returnNSOrderedAscending;

    }

}

@end