IOS UITableView多选删除功能

//  Goods.h
//  购物车表格删除
//
//  Created by jerei on 15-1-7.
//  Copyright (c) 2015年 jerei. All rights reserved.
//

#import <Foundation/Foundation.h>

@interface Goods : NSObject

@property (nonatomic, copy) NSString *icon;
@property (nonatomic, copy) NSString *name;
@property (nonatomic, copy) NSString *details;

-(id)initWithDic:(NSDictionary*)dic;
+(id)goodsWithDic:(NSDictionary*)dic;

@end




//
//  Goods.m
//  购物车表格删除
//
//  Created by jerei on 15-1-7.
//  Copyright (c) 2015年 jerei. All rights reserved.
//

#import "Goods.h"

@implementation Goods

-(id)initWithDic:(NSDictionary *)dic
{
    if (self = [super init]) {
        self.icon = [dic objectForKey:@"icon"];
        self.name = [dic objectForKey:@"name"];
        self.details = [dic objectForKey:@"details"];
    }
    return self;
}

+(id)goodsWithDic:(NSDictionary *)dic
{
    Goods *good = [[Goods alloc] initWithDic:dic];
    return good;
}

@end




//
//  ViewController.m
//  JRTableView多选删除
//
//  Created by jerehedu on 15/6/11.
//  Copyright (c) 2015年 jerehedu. All rights reserved.
//

#import "ViewController.h"
#import "Goods.h"

@interface ViewController ()<UITableViewDataSource, UITableViewDelegate>

{
    UITableView *_tableView; //列表
    
    NSMutableArray *_goodsAry; //商品数组
    
    NSMutableArray *_selectArray; //选中的数组
    
    UIButton *_editBtn; //编辑按钮
}
@end

@implementation ViewController

- (void)viewDidLoad {
    [super viewDidLoad];
    
    
    //初始化选中数组
    _selectArray = [NSMutableArray array];
    
    //设置界面
    [self setTheInterface];
    
    //取数据
    [self getGoodsInfoFromFile];
}

#pragma mark - 取数据
-(void)getGoodsInfoFromFile{
    NSArray *ary = [NSArray arrayWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"ShoppingGoodsList" ofType:@"plist"]];
    
    //把数据存到模型对象中，然后把对象存到数组中
    _goodsAry = [NSMutableArray array];
    for (int i=0; i<ary.count; i++) {
        Goods *good = [Goods goodsWithDic:ary[i]];
        [_goodsAry addObject:good];
    }
}

#pragma mark - 初始化界面
-(void)setTheInterface{
    //bg
    UIImageView *imgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height)];
    imgView.image = [UIImage imageNamed:@"redup.png"];
    [self.view addSubview:imgView];
    
    //添加标题
    UILabel *titleLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 20, self.view.frame.size.width, 44)];
    titleLabel.text = @"购物车";
    titleLabel.textAlignment = NSTextAlignmentCenter;
    titleLabel.textColor = [UIColor whiteColor];
    [self.view addSubview:titleLabel];
    
    //添加编辑按钮
    _editBtn = [UIButton buttonWithType:UIButtonTypeCustom];
    _editBtn.frame = CGRectMake(self.view.frame.size.width-60, 25, 50, 34);
    [_editBtn setTitle:@"编辑" forState:UIControlStateNormal];
    [_editBtn setTitle:@"删除" forState:UIControlStateSelected];
    _editBtn.titleLabel.font = [UIFont systemFontOfSize:15];
    _editBtn.backgroundColor = [UIColor colorWithRed:0.8 green:0.8 blue:0.8 alpha:0.5];
    [self.view addSubview:_editBtn];
    [_editBtn addTarget:self action:@selector(clickEditBtn:) forControlEvents:UIControlEventTouchUpInside];
    
    //添加tableview
    _tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 64, self.view.frame.size.width, self.view.frame.size.height-64)];
    _tableView.dataSource = self;
    _tableView.delegate = self;
    [self.view addSubview:_tableView];
    _tableView.rowHeight = 110;
}

#pragma mark 数据源  返回有几行
-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
    return _goodsAry.count;
}

#pragma mark 每行显示内容
-(UITableViewCell*)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
    static NSString *idGood = @"goods";
    
    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:idGood];
    
    if (cell==nil) {
        cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleSubtitle reuseIdentifier:idGood];
        cell.detailTextLabel.numberOfLines = 6;
        cell.detailTextLabel.textColor = [UIColor brownColor];
    }
    
    Goods *good = _goodsAry[indexPath.row];
    
    cell.imageView.image = [UIImage imageNamed:good.icon];
    cell.textLabel.text = good.name;
    cell.detailTextLabel.text = good.details;

    return cell;
}

#pragma mark 选中行
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath
{
    if (!_tableView.editing)
        return;
    
    Goods *good = [_goodsAry objectAtIndex:indexPath.row];
    if (![_selectArray containsObject:good]) {
        [_selectArray addObject:good];
    }
}

#pragma mark 取消选中行
-(void)tableView:(UITableView *)tableView didDeselectRowAtIndexPath:(NSIndexPath *)indexPath
{
    if (!_tableView.editing)
        return;
    
    Goods *good = [_goodsAry objectAtIndex:indexPath.row];
    if ([_selectArray containsObject:good]) {
        [_selectArray removeObject:good];
    }
}

#pragma mark 点击编辑按钮
- (IBAction)clickEditBtn:(UIButton *)sender {
    
    BOOL flag = _tableView.editing;
    if (flag) {
        //删除的操作
        //得到删除的商品索引
        NSMutableArray *indexArray = [NSMutableArray array];
        for (Goods *good in _selectArray) {
            NSInteger num = [_goodsAry indexOfObject:good];
            
            NSIndexPath *path = [NSIndexPath indexPathForRow:num inSection:0];
            [indexArray addObject:path];
        }
        
        //修改数据模型
        [_goodsAry removeObjectsInArray:_selectArray];
        [_selectArray removeAllObjects];
        
        //刷新
        [_tableView deleteRowsAtIndexPaths:indexArray withRowAnimation:UITableViewRowAnimationFade];
        
        _tableView.editing = NO;
        _editBtn.selected = NO;
    }else
    {
        //开始选择行
        [_selectArray removeAllObjects];
        
        _tableView.editing = YES;
        _editBtn.selected = YES;
    }
}

#pragma mark 返回编辑模式，默认为删除模式
-(UITableViewCellEditingStyle)tableView:(UITableView *)tableView editingStyleForRowAtIndexPath:(NSIndexPath *)indexPath
{
    return UITableViewCellEditingStyleDelete | UITableViewCellEditingStyleInsert;
}

@end