self.window = [[UIWindow alloc]initWithFrame:[UIScreen mainScreen].bounds];
[self.window makeKeyAndVisible];
self.window.backgroundColor = [UIColor whiteColor];
ViewController *vc = [[ViewController alloc]init];
UINavigationController *nVC = [[UINavigationController alloc]initWithRootViewController:vc];
self.window.rootViewController = nVC;
#import "ViewController.h"#import "GoodsInfoModel.h"#import "MyCustomCell.h"@interface ViewController (){
UITableView *_MyTableView;
float allPrice;
NSMutableArray *infoArr;
}
@property(strong,nonatomic)UIButton *allSelectBtn;
@property(strong,nonatomic)UILabel *allPriceLab;
@end
@implementation ViewController
- (void)viewDidLoad {
[super viewDidLoad];
self.title = @"購物車";
[self.navigationController.navigationBar setTitleTextAttributes:@{NSForegroundColorAttributeName : [UIColor? blackColor],NSFontAttributeName:[UIFont systemFontOfSize:23.0f]}];
//初始化數(shù)據(jù)
allPrice = 0.0;
infoArr = [[NSMutableArray alloc]init];
/**
*? 初始化一個數(shù)組,數(shù)組里面放字典蔓钟。字典里面放的是單元格需要展示的數(shù)據(jù)
*/
for (int i = 0; i<7; i++){
NSMutableDictionary *infoDict = [[NSMutableDictionary alloc]init];
[infoDict setValue:@"img6.png" forKey:@"imageName"];
[infoDict setValue:@"這是商品標(biāo)題" forKey:@"goodsTitle"];
[infoDict setValue:@"2000" forKey:@"goodsPrice"];
[infoDict setValue:[NSNumber numberWithBool:NO] forKey:@"selectState"];
[infoDict setValue:[NSNumber numberWithInt:1] forKey:@"goodsNum"];
//封裝數(shù)據(jù)模型
GoodsInfoModel *goodsModel = [[GoodsInfoModel alloc]initWithDict:infoDict];
//將數(shù)據(jù)模型放入數(shù)組中
[infoArr addObject:goodsModel];
}
_MyTableView = [[UITableView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, self.view.frame.size.height) style:UITableViewStylePlain];
_MyTableView.dataSource = self;
_MyTableView.delegate = self;
//給表格添加一個尾部視圖
_MyTableView.tableFooterView = [self creatFootView];
[self.view addSubview:_MyTableView];
}
-(UIView *)creatFootView{
UIView *footView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, self.view.frame.size.width, 150)];
//添加一個全選文本框標(biāo)簽
UILabel *lab = [[UILabel alloc]initWithFrame:CGRectMake(self.view.frame.size.width - 150, 10, 50, 30)];
lab.text = @"全選";
[footView addSubview:lab];
//添加全選圖片按鈕
_allSelectBtn = [UIButton buttonWithType:UIButtonTypeCustom];
_allSelectBtn.frame = CGRectMake(self.view.frame.size.width- 100, 10, 30, 30);
[_allSelectBtn setImage:[UIImage imageNamed:@"復(fù)選框-未選中"] forState:UIControlStateNormal];
[_allSelectBtn addTarget:self action:@selector(selectBtnClick:) forControlEvents:UIControlEventTouchUpInside];
[footView addSubview:_allSelectBtn];
//添加小結(jié)文本框
UILabel *lab2 = [[UILabel alloc]initWithFrame:CGRectMake(self.view.frame.size.width - 150, 40, 60, 30)];
lab2.textColor = [UIColor redColor];
lab2.text = @"小結(jié):";
[footView addSubview:lab2];
//添加一個總價格文本框,用于顯示總價
_allPriceLab = [[UILabel alloc]initWithFrame:CGRectMake(self.view.frame.size.width - 100, 40, 100, 30)];
_allPriceLab.textColor = [UIColor redColor];
_allPriceLab.text = @"0.0";
[footView addSubview:_allPriceLab];
//添加一個結(jié)算按鈕
UIButton *settlementBtn = [UIButton buttonWithType:UIButtonTypeRoundedRect];
[settlementBtn setTitle:@"去結(jié)算" forState:UIControlStateNormal];
[settlementBtn setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
settlementBtn.frame = CGRectMake(10, 80, self.view.frame.size.width - 20, 30);
settlementBtn.backgroundColor = [UIColor blueColor];
[footView addSubview:settlementBtn];
return footView;
}
- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:? (NSInteger)section{
return infoArr.count;
}
//定制單元格內(nèi)容
- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{
static NSString *identify = @"indentify";
MyCustomCell *cell = [tableView dequeueReusableCellWithIdentifier:identify];
if (!cell){
cell = [[MyCustomCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:identify];
cell.delegate = self;
}
//調(diào)用方法百匆,給單元格賦值
[cell addTheValue:infoArr[indexPath.row]];
return cell;
}
-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{
return 120;
}
//單元格選中事件
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{
/**
*? 判斷當(dāng)期是否為選中狀態(tài)漾稀,如果選中狀態(tài)點擊則更改成未選中芝加,如果未選中點擊則更改成選中狀態(tài)
*/
GoodsInfoModel *model = infoArr[indexPath.row];
if (model.selectState){
model.selectState = NO;
}else{
model.selectState = YES;
}
//刷新整個表格
//[_MyTableView reloadData];
//刷新當(dāng)前行
[_MyTableView reloadRowsAtIndexPaths:@[indexPath] withRowAnimation:UITableViewRowAnimationAutomatic];
[self totalPrice];
}
-(void)btnClick:(UITableViewCell *)cell andFlag:(int)flag
{
NSIndexPath *index = [_MyTableView indexPathForCell:cell];
switch (flag) {
case 11:
{
//做減法
//先獲取到當(dāng)期行數(shù)據(jù)源內(nèi)容耍攘,改變數(shù)據(jù)源內(nèi)容武通,刷新表格
GoodsInfoModel *model = infoArr[index.row];
if (model.goodsNum > 1)
{
model.goodsNum --;
}
}
break;
case 12:
{
//做加法
GoodsInfoModel *model = infoArr[index.row];
model.goodsNum ++;
}
break;
default:
break;
}
//刷新表格
[_MyTableView reloadData];
//計算總價
[self totalPrice];
}
//全選按鈕的選中狀態(tài)
-(void)selectBtnClick:(UIButton *)sender{
//判斷是否選中奉呛,是改成否计螺,否改成是,改變圖片狀態(tài)
sender.tag = !sender.tag;
if (sender.tag){
[sender setImage:[UIImage imageNamed:@"復(fù)選框-選中.png"]? forState:UIControlStateNormal];
}else{
[sender setImage:[UIImage imageNamed:@"復(fù)選框-未選中.png"] forState:UIControlStateNormal];
}
//改變單元格選中狀態(tài)
for (int i=0; i<infoArr.Count;i++){
GoodsInfoModel *model = [infoArr objectAtIndex:i];
if (model.selectState){
allPrice = allPrice + model.goodsNum *[model.goodsPrice intValue];
}
}
//給總價文本賦值
_allPriceLab.text = [NSString stringWithFormat:@"%.2f",allPrice];
NSLog(@"%f",allPrice);
//每次算完要重置為0瞧壮,因為每次的都是全部循環(huán)算一遍
allPrice = 0.0;
}
#import@interface GoodsInfoModel : NSObject
@property(strong,nonatomic)NSString *imageName;//商品圖片
@property(strong,nonatomic)NSString *goodsTitle;//商品標(biāo)題
@property(strong,nonatomic)NSString *goodsPrice;//商品單價
@property(assign,nonatomic)BOOL selectState;//是否選中狀態(tài)
@property(assign,nonatomic)int goodsNum;//商品個數(shù)
-(instancetype)initWithDict:(NSDictionary *)dict;
@end
#import "GoodsInfoModel.h"
@implementation GoodsInfoModel
-(instancetype)initWithDict:(NSDictionary *)dict{
if(self = [super init]){
self.imageName = dict[@"imageName"];
self.goodsTitle = dict[@"goodsTitle"];
self.goodsPrice = dict[@"goodsPrice"];
self.goodsNum = [dict[@"goodsNum"]intValue];
self.selectState = [dict[@"selectState"]boolValue];
}
return self;
}
@end
#import#import "GoodsInfoModel.h"http://添加代理登馒,用于按鈕加減的實現(xiàn)@protocol MyCustomCellDelegate-(void)btnClick:(UITableViewCell *)cell andFlag:(int)flag;@end@interface MyCustomCell : UITableViewCell@property(strong,nonatomic)UIImageView *goodsImgV;//商品圖片@property(strong,nonatomic)UILabel *goodsTitleLab;//商品標(biāo)題@property(strong,nonatomic)UILabel *priceTitleLab;//價格標(biāo)簽@property(strong,nonatomic)UILabel *priceLab;//具體價格@property(strong,nonatomic)UILabel *goodsNumLab;//購買數(shù)量標(biāo)簽@property(strong,nonatomic)UILabel *numCountLab;//購買商品的數(shù)量@property(strong,nonatomic)UIButton *addBtn;//添加商品數(shù)量@property(strong,nonatomic)UIButton *deleteBtn;//刪除商品數(shù)量@property(strong,nonatomic)UIButton *isSelectBtn;//是否選中按鈕@property(strong,nonatomic)UIImageView *isSelectImg;//是否選中圖片@property(assign,nonatomic)BOOL selectState;//選中狀態(tài)@property(assign,nonatomic)iddelegate;
//賦值
-(void)addTheValue:(GoodsInfoModel *)goodsModel;
@end
//
//? MyCustomCell.m
//? 電商項目購物車
//
//
#define WIDTH ([UIScreen mainScreen].bounds.size.width)
#import "MyCustomCell.h"
@implementation MyCustomCell
-(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{
if (self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]){
//布局界面
UIView * bgView = [[UIView alloc]initWithFrame:CGRectMake(5, 5, WIDTH-10, 95)];
bgView.backgroundColor = [UIColor whiteColor];
//添加商品圖片
_goodsImgV = [[UIImageView alloc]initWithFrame:CGRectMake(5, 10, 80, 80)];
_goodsImgV.backgroundColor = [UIColor greenColor];
[bgView addSubview:_goodsImgV];
//添加商品標(biāo)題
_goodsTitleLab = [[UILabel alloc]initWithFrame:CGRectMake(90, 5, 200, 30)];
_goodsTitleLab.text = @"afadsfa fa";
_goodsTitleLab.backgroundColor = [UIColor clearColor];
[bgView addSubview:_goodsTitleLab];
//促銷價
_priceTitleLab = [[UILabel alloc]initWithFrame:CGRectMake(90, 35, 70, 30)];
_priceTitleLab.text = @"促銷價:";
_priceTitleLab.backgroundColor = [UIColor clearColor];
[bgView addSubview:_priceTitleLab];
//商品價格
_priceLab = [[UILabel alloc]initWithFrame:CGRectMake(160, 35, 100, 30)];
_priceLab.text = @"1990";
_priceLab.textColor = [UIColor redColor];
[bgView addSubview:_priceLab];
//購買數(shù)量
_goodsNumLab = [[UILabel alloc]initWithFrame:CGRectMake(90, 65, 90, 30)];
_goodsNumLab.text = @"購買數(shù)量:";
[bgView addSubview:_goodsNumLab];
//減按鈕
_deleteBtn = [UIButton buttonWithType:UIButtonTypeCustom];
_deleteBtn.frame = CGRectMake(180, 65, 30, 30);
_deleteBtn.backgroundColor = [UIColor blueColor];
[_deleteBtn setImage:[UIImage imageNamed:@"按鈕-.png"] forState:UIControlStateNormal];
[_deleteBtn addTarget:self action:@selector(deleteBtnAction:) forControlEvents:UIControlEventTouchUpInside];
_deleteBtn.tag = 11;
[bgView addSubview:_deleteBtn];
//購買商品的數(shù)量
_numCountLab = [[UILabel alloc]initWithFrame:CGRectMake(210, 65, 50, 30)];
_numCountLab.textAlignment = NSTextAlignmentCenter;
[bgView addSubview:_numCountLab];
//加按鈕
_addBtn = [UIButton buttonWithType:UIButtonTypeCustom];
_addBtn.frame = CGRectMake(260, 65, 30, 30);
_addBtn.backgroundColor = [UIColor blackColor];
[_addBtn setImage:[UIImage imageNamed:@"按鈕+.png"] forState:UIControlStateNormal];
[_addBtn addTarget:self action:@selector(addBtnAction:) forControlEvents:UIControlEventTouchUpInside];
_addBtn.tag = 12;
[bgView addSubview:_addBtn];
//是否選中圖片
_isSelectImg = [[UIImageView alloc]initWithFrame:CGRectMake(WIDTH - 50, 10, 30, 30)];
[bgView addSubview:_isSelectImg];
[self addSubview:bgView];
}
return self;
}
/**
*? 給單元格賦值
*? @param goodsModel 里面存放各個控件需要的數(shù)值
*/
-(void)addTheValue:(GoodsInfoModel *)goodsModel{
_goodsImgV.image = [UIImage imageNamed:goodsModel.imageName];
_goodsTitleLab.text = goodsModel.goodsTitle;
_priceLab.text = goodsModel.goodsPrice;
_numCountLab.text = [NSString stringWithFormat:@"%d",goodsModel.goodsNum];
if (goodsModel.selectState){
//單元格選中的時候下面的增加減少按鈕就能使用
_selectState = YES;
_isSelectImg.image = [UIImage imageNamed:@"復(fù)選框-選中"];
}else{
_selectState = NO;
_isSelectImg.image = [UIImage imageNamed:@"復(fù)選框-未選中"];
}
}
#pragma mark -- 減按鈕
/**
*? 點擊減按鈕實現(xiàn)數(shù)量的減少
*/
-(void)deleteBtnAction:(UIButton *)sender{
//判斷是否選中,選中才能點擊
if (_selectState == YES){
//調(diào)用代理
[self.delegate btnClick:self andFlag:(int)sender.tag];
}
}
#pragma mark -- 加按鈕
/**
*? 點擊加按鈕實現(xiàn)數(shù)量的增加
*/
-(void)addBtnAction:(UIButton *)sender{
//判斷是否選中咆槽,選中才能點擊
if (_selectState == YES){
//調(diào)用代理
[self.delegate btnClick:self andFlag:(int)sender.tag];
}
}
@end