这个项目是本人原创：要转载，请说明下：http://www.cnblogs.com/blogwithstudyofwyn/p/5618107.html
项目的地址：https://github.com/Shangshanroushui/ShoppingCart.git
该程序是个一元夺宝的的购物车。
项目中依然使用的MVC
model:是商品的全部信息
GoodsInfoModel.h
@property(strong,nonatomic)NSString *imageName;//商品图片@property(strong,nonatomic)NSString *goodsTitle;//商品标题@property(strong,nonatomic)NSString *goodsPrice;//商品单价@property(assign,nonatomic)BOOL selectState;//是否选中状态@property(assign,nonatomic)NSInteger goodsNum;//商品个数@property(assign,nonatomic)NSInteger allNum;//全部个数@property(assign,nonatomic)NSInteger remainedNum;//还需个数-(instancetype)initWithDict:(NSDictionary *)dict;
GoodsInfoModel.m
-(instancetype)initWithDict:(NSDictionary *)dict{ if (self = [super init]) { self.imageName = dict[@"imageName"]; self.goodsTitle = dict[@"goodsTitle"]; self.goodsPrice = dict[@"goodsPrice"]; self.goodsNum = [dict[@"goodsNum"]integerValue]; self.selectState = [dict[@"selectState"]boolValue]; self.allNum=[dict[@"allNum"]integerValue]; self.remainedNum=[dict[@"remainedNum"]integerValue]; } return self;}View :1.自定义的一个tableViewCell 2.自定义的一个结算View
ShopCartCell.h :1.用于展示内容的各种控件 2.自定义了一个协议和代理 3.一个按钮触发事件
PS:英文使用了masonry 自动布局。将需要的一些头文件和宏定义放到pch文件中了。直接导入pch文件了
#import "GoodsInfoModel.h"//添加代理，用于按钮加减的实现@protocol ShopCartCellDelegate <NSObject>-(void)btnClick:(UITableViewCell *)cell andFlag:(int)flag;@end@interface ShopCartCell : UITableViewCell//增加一个view@property (nonatomic,strong) UIView *mainView;@property (nonatomic,strong) UIButton *selectBtn;@property (nonatomic,strong) UIImageView *goodsImg;@property (nonatomic,strong) UILabel *introductionLab;@property (nonatomic,strong) UILabel *needLab;@property (nonatomic,strong) UILabel *needNumLab;@property (nonatomic,strong) UILabel *remainedLab;@property (nonatomic,strong) UILabel *remianedNumLab;@property (nonatomic,strong) UIButton *addBtn;@property (nonatomic,strong) UITextField *goodsNumTF;@property (nonatomic,strong) UIButton *minusBtn;@property (nonatomic,strong) UILabel *winLab;@property (nonatomic,strong) UILabel *winNumLab;@property(assign,nonatomic)BOOL selectState;//选中状态//赋值-(void)addTheValue:(GoodsInfoModel *)goodsModel;@property(assign,nonatomic)id<ShopCartCellDelegate>delegate;
ShopCartCell.m
#import "SC.pch"
@interface ShopCartCell()@end@implementation ShopCartCell- (void)awakeFromNib { // Initialization code}-(instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{ self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]; if (self) {// self.layer.borderColor = [UIColor redColor].CGColor;// self.layer.borderWidth = 1; [self setSelectionStyle:UITableViewCellSelectionStyleNone];// self.backgroundColor=[UIColor colorWithRed:234/255.0 green:234/255.0 blue:234/255.0 alpha:0.5];// [self setSeparatorInset:UIEdgeInsetsMake(0, 60, 0, 0)]; UIView *mainView=[[UIView alloc]init]; [self.contentView addSubview:mainView]; mainView.backgroundColor=[UIColor whiteColor]; self.mainView=mainView; UIButton *selectBtn = [[UIButton alloc]init]; [self.mainView addSubview:selectBtn]; [selectBtn setImage:[UIImage imageNamed:@"1"] forState:UIControlStateNormal]; [selectBtn setImage:[UIImage imageNamed:@"5"]forState:UIControlStateSelected]; [selectBtn addTarget:self action:@selector(selectBtnAction:) forControlEvents:UIControlEventTouchUpInside]; selectBtn.tag=13; self.selectBtn=selectBtn; UIImageView *goodsImg = [[UIImageView alloc]init]; [self.mainView addSubview:goodsImg];// goodsImg.image = [UIImage imageNamed:@"4"]; self.goodsImg=goodsImg; UILabel *introductionLab = [[UILabel alloc]init]; [introductionLab setFont:[UIFont systemFontOfSize:17.0]]; [self.mainView addSubview:introductionLab];// introductionLab.text=@"[111111111]"; introductionLab.textColor=[UIColor grayColor]; self.introductionLab=introductionLab; UILabel *needLab = [[UILabel alloc]init]; [needLab setFont:[UIFont systemFontOfSize:13.0]]; [self.mainView addSubview:needLab]; needLab.text=@"总需:"; needLab.textColor=[UIColor grayColor]; self.needLab=needLab; UILabel *needNumLab = [[UILabel alloc]init]; [needNumLab setFont:[UIFont systemFontOfSize:13.0]]; [self.mainView addSubview:needNumLab];// needNumLab.text=@"1000"; needNumLab.textColor=[UIColor grayColor]; self.needNumLab=needNumLab; UILabel *remainedLab = [[UILabel alloc]init]; [remainedLab setFont:[UIFont systemFontOfSize:13.0]]; [self.mainView addSubview:remainedLab]; remainedLab.textColor=[UIColor grayColor]; remainedLab.text=@"剩余:"; self.remainedLab=remainedLab; UILabel *remianedNumLab = [[UILabel alloc]init]; [remianedNumLab setFont:[UIFont systemFontOfSize:13.0]]; [self.mainView addSubview:remianedNumLab];// remianedNumLab.text=@"999"; remianedNumLab.textColor=[UIColor redColor]; self.remianedNumLab=remianedNumLab; UIButton *minusBtn = [[UIButton alloc]init]; [self.mainView addSubview:minusBtn]; [minusBtn setImage:[UIImage imageNamed:@"2"] forState:UIControlStateNormal]; [minusBtn addTarget:self action:@selector(deleteBtnAction:) forControlEvents:UIControlEventTouchUpInside]; minusBtn.tag = 11; self.minusBtn=minusBtn; UITextField *goodsNumTF = [[UITextField alloc]init]; [self.mainView addSubview:goodsNumTF]; goodsNumTF.textAlignment=NSTextAlignmentCenter;// goodsNumTF.text=@"10"; goodsNumTF.backgroundColor=[UIColor grayColor]; self.goodsNumTF=goodsNumTF; UIButton *addBtn = [[UIButton alloc]init]; [self.mainView addSubview:addBtn]; [addBtn setImage:[UIImage imageNamed:@"3"] forState:UIControlStateNormal]; [addBtn addTarget:self action:@selector(addBtnAction:) forControlEvents:UIControlEventTouchUpInside]; addBtn.tag = 12; self.addBtn=addBtn; UILabel *winLab = [[UILabel alloc]init]; [winLab setFont:[UIFont systemFontOfSize:14.0]]; [self.mainView addSubview:winLab]; winLab.text=@"中奖概率"; winLab.textColor=[UIColor grayColor]; self.winLab=winLab; UILabel *winNumLab = [[UILabel alloc]init]; [winNumLab setFont:[UIFont systemFontOfSize:14.0]]; [self.mainView addSubview:winNumLab]; winNumLab.text=@"100％"; winNumLab.textColor=[UIColor grayColor]; self.winNumLab=winNumLab; } return self;}/** * 给单元格赋值 * * @param goodsModel 里面存放各个控件需要的数值 */-(void)addTheValue:(GoodsInfoModel *)goodsModel{ self.goodsImg.image = [UIImage imageNamed:goodsModel.imageName]; self.introductionLab.text = goodsModel.goodsTitle; self.needNumLab.text = [NSString stringWithFormat:@"%ld",(long)goodsModel.allNum]; self.remianedNumLab.text = [NSString stringWithFormat:@"%ld",(long)goodsModel.remainedNum]; self.goodsNumTF.text=[NSString stringWithFormat:@"%ld",(long)goodsModel.goodsNum]; if (goodsModel.selectState){ self.selectState = YES; [self.selectBtn setImage:[UIImage imageNamed:@"5"] forState:UIControlStateNormal]; }else{ self.selectState = NO; [self.selectBtn setImage:[UIImage imageNamed:@"1"] forState:UIControlStateNormal]; }}//-(void)selectBtnAction:(UIButton *)sender{ [self.delegate btnClick:self andFlag:(int)sender.tag];}//-(void)deleteBtnAction:(UIButton *)sender{// NSInteger goodsNum=[self.goodsNumTF.text integerValue];// if (goodsNum>1) {// goodsNum-=1;// self.goodsNumTF.text=[NSString stringWithFormat:@"%ld",(long)goodsNum];// NSInteger remianedNum=[self.remianedNumLab.text integerValue]+1;// self.remianedNumLab.text=[NSString stringWithFormat:@"%ld",(long)remianedNum];// } //////// //判断是否选中，选中才能点击 if (self.selectState == YES) { //调用代理 [self.delegate btnClick:self andFlag:(int)sender.tag]; }}-(void)addBtnAction:(UIButton *)sender{// NSInteger goodsNum=[self.goodsNumTF.text integerValue];// if ([self.remianedNumLab.text integerValue]>0) {// goodsNum+=1;// self.goodsNumTF.text=[NSString stringWithFormat:@"%ld",(long)goodsNum];// NSInteger remianedNum=[self.remianedNumLab.text integerValue]-1;// self.remianedNumLab.text=[NSString stringWithFormat:@"%ld",(long)remianedNum];// } /////// if (self.selectState == YES) { //调用代理 [self.delegate btnClick:self andFlag:(int)sender.tag]; }}-(void)layoutSubviews{ [super layoutSubviews]; WEAKSELF(weakSelf); [self.mainView mas_makeConstraints:^(MASConstraintMaker *make) {// make.center.mas_equalTo(weakSelf).offset(0); make.left.and.right.mas_equalTo(0); make.top.and.bottom.mas_equalTo(weakSelf).offset(10); }]; [self.selectBtn mas_makeConstraints:^(MASConstraintMaker *make) { make.centerY.mas_equalTo(weakSelf.mainView.mas_centerY).offset(0); make.left.mas_equalTo(10); //make.height.and.width.mas_equalTo(17); make.height.mas_equalTo(17); make.width.mas_equalTo(17); }]; [self.goodsImg mas_makeConstraints:^(MASConstraintMaker *make) { make.centerY.mas_equalTo(weakSelf.mainView.mas_centerY).offset(0); make.left.mas_equalTo(weakSelf.selectBtn.mas_right).offset(10); //make.height.and.width.mas_equalTo(17); make.height.mas_equalTo(70); make.width.mas_equalTo(70); }]; [self.introductionLab mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(weakSelf.mainView.mas_top).offset(10); make.left.mas_equalTo(weakSelf.goodsImg.mas_right).offset(10); make.right.mas_equalTo(weakSelf.mas_right).offset(0); make.height.mas_equalTo(20); }]; [self.needLab mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(weakSelf.introductionLab.mas_bottom).offset(10); make.left.mas_equalTo(weakSelf.introductionLab).offset(0); make.height.mas_equalTo(20); make.width.mas_equalTo(40); }]; [self.needNumLab mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(weakSelf.needLab).offset(0); make.left.mas_equalTo(weakSelf.needLab.mas_right).offset(0); make.height.mas_equalTo(weakSelf.needLab.mas_height).offset(0); make.width.mas_equalTo(60); }]; [self.remainedLab mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(weakSelf.needLab).offset(0); make.left.mas_equalTo(weakSelf.needNumLab.mas_right).offset(10); make.height.mas_equalTo(weakSelf.needLab.mas_height); make.width.mas_equalTo(40); }]; [self.remianedNumLab mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(weakSelf.needLab).offset(0); make.left.mas_equalTo(weakSelf.remainedLab.mas_right).offset(0); make.height.mas_equalTo(weakSelf.needLab.mas_height); make.width.mas_equalTo(60); }]; [self.minusBtn mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(weakSelf.needLab.mas_bottom).offset(10); make.left.mas_equalTo(weakSelf.introductionLab).offset(0); make.height.mas_equalTo(24); make.width.mas_equalTo(24); }]; //////////////// [self.winLab mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(weakSelf.minusBtn).offset(0); make.right.mas_equalTo(weakSelf.mas_right).offset(-50); make.height.mas_equalTo(10); make.width.mas_equalTo(60); }]; [self.winNumLab mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(weakSelf.winLab.mas_bottom).offset(5); make.right.mas_equalTo(weakSelf.winLab).offset(0); make.height.mas_equalTo(weakSelf.winLab); make.width.mas_equalTo(weakSelf.winLab); }]; [self.addBtn mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(weakSelf.minusBtn).offset(0); make.right.mas_equalTo(weakSelf.winLab.mas_left).offset(-20); make.height.mas_equalTo(weakSelf.minusBtn); make.width.mas_equalTo(weakSelf.minusBtn); }]; [self.goodsNumTF mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(weakSelf.minusBtn).offset(0); make.right.mas_equalTo(weakSelf.addBtn.mas_left).offset(-10); make.left.mas_equalTo(weakSelf.minusBtn.mas_right).offset(10); make.height.mas_equalTo(weakSelf.minusBtn); }];}
SettlementView.h 一个结算的view ,用于显示选择的个数和金额，以及里那个按钮：全选和结算按钮。
@interface SettlementView : UIView@property(nonatomic,strong)UIButton*allSelecteBtn;@property(nonatomic,strong)UILabel*allSelecteLab;//全选@property(nonatomic,strong)UILabel*sumLab;//总价@property(nonatomic,strong)UILabel*goodsNumLab;//商品数@property(nonatomic,strong)UIButton *statementBtn;//结算@end
SettlementView.m
#import "SC.pch"@implementation SettlementView-(instancetype)initWithFrame:(CGRect)frame{ self=[super initWithFrame:frame]; if (self){ [self setupUI]; } return self;}-(void)setupUI{ self.backgroundColor=[UIColor whiteColor]; self.layer.borderColor = [UIColor grayColor].CGColor; self.layer.borderWidth = 0.5; //全选按钮 //self.allSelecteBtn UIButton *allSelecteBtn=[[UIButton alloc]init]; [self addSubview:allSelecteBtn]; [allSelecteBtn addTarget:self action:@selector(selectBtnAction:) forControlEvents:UIControlEventTouchUpInside]; _allSelecteBtn=allSelecteBtn; [self.allSelecteBtn setImage:[UIImage imageNamed:@"1"] forState:UIControlStateNormal];// [self.allSelecteBtn setImage:[UIImage imageNamed:@"5"] forState:UIControlStateSelected]; self.allSelecteLab=[[UILabel alloc]init]; [self addSubview:self.allSelecteLab]; self.allSelecteLab.text=@"全选"; self.allSelecteLab.font=[UIFont systemFontOfSize:14.0]; self.sumLab=[[UILabel alloc]init]; [self addSubview:self.sumLab]; self.sumLab.text=@"0 元"; self.sumLab.textColor=[UIColor redColor]; self.allSelecteLab.font=[UIFont systemFontOfSize:16.0]; self.goodsNumLab=[[UILabel alloc]init]; [self addSubview:self.goodsNumLab]; self.goodsNumLab.text=@"共计：0 件商品"; self.goodsNumLab.font=[UIFont systemFontOfSize:12.0]; //全选按钮 self.statementBtn=[[UIButton alloc]init]; [self addSubview:self.statementBtn]; [self.statementBtn setBackgroundColor:[UIColor redColor]]; [self.statementBtn setTitle:@"结算" forState:UIControlStateNormal]; }-(void)selectBtnAction:(UIButton *)sender{ //[self.delegate btnClick:self andFlag:(int)sender.tag];}- (void)layoutSubviews{ [super layoutSubviews]; WEAKSELF(weakSelf); [self.allSelecteBtn mas_makeConstraints:^(MASConstraintMaker *make) { make.centerY.mas_equalTo(weakSelf.mas_centerY).offset(0); make.left.mas_equalTo(weakSelf).offset(10); make.height.mas_equalTo(17); make.width.mas_equalTo(17); }]; [self.allSelecteLab mas_makeConstraints:^(MASConstraintMaker *make) { make.centerY.mas_equalTo(weakSelf.mas_centerY).offset(0); make.left.mas_equalTo(weakSelf.allSelecteBtn.mas_right).offset(5); make.width.mas_equalTo(40); make.height.mas_equalTo(40); }]; [self.sumLab mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(5); make.left.mas_equalTo(weakSelf.allSelecteLab.mas_right).offset(20); make.height.mas_equalTo(20); make.width.mas_equalTo(100); }]; [self.goodsNumLab mas_makeConstraints:^(MASConstraintMaker *make) { make.top.mas_equalTo(weakSelf.sumLab.mas_bottom).offset(5); make.left.mas_equalTo(weakSelf.sumLab); make.height.mas_equalTo(weakSelf.sumLab); make.width.mas_equalTo(weakSelf.sumLab); }]; [self.statementBtn mas_makeConstraints:^(MASConstraintMaker *make) { make.centerY.mas_equalTo(weakSelf.mas_centerY).offset(0); make.right.mas_equalTo(weakSelf.mas_right).offset(-5); make.height.mas_equalTo(30); make.width.mas_equalTo(100); }];}
Controller:
ShopCartViewController.h
ShopCartViewController.m
项目最核心：选择商品,添加，减少等，以及在这个操作中结算View的变化。
#import "ShopCartViewController.h"#import "ShopCartCell.h"#import "SC.pch"#import "SettlementView.h"#import "GoodsInfoModel.h"#import "StatementViewController.h"@interface ShopCartViewController ()<UITableViewDataSource,UITableViewDelegate,ShopCartCellDelegate>@property(nonatomic,strong)UITableView *goodsTableView;@property(nonatomic,strong)SettlementView *settlementView;@property(nonatomic,assign)NSInteger allPrice;@property(nonatomic,assign)NSInteger goodsNum;;@property(nonatomic,strong)NSMutableArray *infoArr;;@end@implementation ShopCartViewController- (void)viewDidLoad { [super viewDidLoad];// self.view.backgroundColor=[UIColor colorWithRed:234/255.0 green:234/255.0 blue:234/255.0 alpha:1]; [self setInfo]; [self setGoodsTableView]; [self setupSettlement];}-(void)setInfo{ self.allPrice=0; self.goodsNum = 0; self.infoArr = [[NSMutableArray alloc]init]; /** * 初始化一个数组，数组里面放字典。字典里面放的是单元格需要展示的数据 */ for (int i = 0; i<7; i++) { NSMutableDictionary *infoDict = [[NSMutableDictionary alloc]init]; [infoDict setValue:@"4.png" forKey:@"imageName"]; [infoDict setValue:@"这是商品标题" forKey:@"goodsTitle"]; // [infoDict setValue:@"2000" forKey:@"goodsPrice"]; [infoDict setValue:[NSNumber numberWithBool:NO] forKey:@"selectState"]; [infoDict setValue:[NSNumber numberWithInt:1] forKey:@"goodsNum"]; /* @property(assign,nonatomic)int allNum; @property(assign,nonatomic)int remainedNum; */ [infoDict setValue:[NSNumber numberWithInt:1000] forKey:@"allNum"]; [infoDict setValue:[NSNumber numberWithInt:999] forKey:@"remainedNum"]; //封装数据模型 GoodsInfoModel *goodsModel = [[GoodsInfoModel alloc]initWithDict:infoDict]; //将数据模型放入数组中 [self.infoArr addObject:goodsModel]; }}-(void)setupSettlement{ SettlementView *settlementView=[[SettlementView alloc]initWithFrame:CGRectMake(0, kScreen_Height-100, kScreen_Width, 60)]; [settlementView.statementBtn addTarget:self action:@selector(goStatement) forControlEvents:UIControlEventTouchUpInside]; [settlementView.allSelecteBtn addTarget:self action:@selector(goAllSelect:) forControlEvents:UIControlEventTouchUpInside]; [self.view addSubview:settlementView]; self.settlementView=settlementView; }-(void)setGoodsTableView{ UITableView *goodsTableView=[[UITableView alloc]initWithFrame:CGRectMake(0, 0, kScreen_Width, kScreen_Height-20)];//0, 44, kScreen_Width, kScreen_Height-20) [self.view addSubview:goodsTableView]; goodsTableView.showsHorizontalScrollIndicator=NO; goodsTableView.showsVerticalScrollIndicator=NO;// goodsTableView.backgroundColor=[UIColor colorWithRed:234/255.0 green:234/255.0 blue:234/255.0 alpha:1]; goodsTableView.backgroundColor=[UIColor redColor]; goodsTableView.delegate=self; goodsTableView.dataSource=self; [goodsTableView registerClass:[ShopCartCell class] forCellReuseIdentifier:@"SCCell"];// [goodsTableView registerNib:[UINib nibWithNibName:@"ShopCartTableCell" bundle:nil] forCellReuseIdentifier:@"SCCell"]; goodsTableView.separatorStyle = UITableViewCellSeparatorStyleNone; self.goodsTableView=goodsTableView;}#pragma mark-------#pragma mark--------tableViewDelegate-(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{ static NSString *SCCell = @"SCCell"; ShopCartCell *cell=[tableView dequeueReusableCellWithIdentifier:SCCell forIndexPath:indexPath]; if (!cell){ cell=[[ShopCartCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:SCCell]; } cell.delegate = self; [cell addTheValue:self.infoArr[indexPath.row]]; return cell;}-(CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{ return 120;}-(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ return self.infoArr.count;}#pragma mark -- 实现加减按钮点击代理事件/** * 实现加减按钮点击代理事件 * * @param cell 当前单元格 * @param flag 按钮标识，11 为减按钮，12为加按钮 */-(void)btnClick:(UITableViewCell *)cell andFlag:(int)flag{ NSIndexPath *index = [self.goodsTableView indexPathForCell:cell]; switch (flag) { case 11: { //做减法 //先获取到当期行数据源内容，改变数据源内容，刷新表格 GoodsInfoModel *model = self.infoArr[index.row]; if (model.goodsNum > 1) { model.goodsNum --; model.remainedNum++; } // [self.goodsTableView reloadRowsAtIndexPaths:@[index] withRowAnimation:UITableViewRowAnimationAutomatic]; } break; case 12: { //做加法 GoodsInfoModel *model = self.infoArr[index.row]; if (model.remainedNum>0) { model.remainedNum --; model.goodsNum++; } //[self.goodsTableView reloadRowsAtIndexPaths:@[index] withRowAnimation:UITableViewRowAnimationAutomatic]; } break; case 13: { //先获取到当期行数据源内容，改变数据源内容，刷新表格 GoodsInfoModel *model = self.infoArr[index.row]; if (model.selectState) { model.selectState = NO; }else { model.selectState = YES; } //刷新当前行 //[self.goodsTableView reloadRowsAtIndexPaths:@[index] withRowAnimation:UITableViewRowAnimationAutomatic]; } default: break; } //刷新表格 [self.goodsTableView reloadData]; //计算总价 [self totalPrice]; }#pragma mark -- 计算价格-(void)totalPrice{ //遍历整个数据源，然后判断如果是选中的商品，就计算价格（单价 * 商品数量） for ( int i =0; i<self.infoArr.count; i++) { GoodsInfoModel *model = [self.infoArr objectAtIndex:i]; if (model.selectState) { self.allPrice += model.goodsNum ;//[model.goodsPrice intValue]; self.goodsNum +=model.goodsNum; } } //给总价文本赋值 self.settlementView.sumLab.text = [NSString stringWithFormat:@"%ld 元",(long)self.allPrice]; self.settlementView.goodsNumLab.text=[NSString stringWithFormat:@"共计：%ld 件商品 ",(long)self.goodsNum]; //每次算完要重置为0，因为每次的都是全部循环算一遍 self.allPrice = 0; self.goodsNum = 0;}//结算-(void)goStatement{ NSInteger total=[self.settlementView.sumLab.text integerValue]; if (total>0) { StatementViewController *statementVC=[[StatementViewController alloc]init]; statementVC.price=total; [self.navigationController pushViewController:statementVC animated:YES]; }}//全选-(void)goAllSelect:(UIButton *)sender{ //判断是否选中，是改成否，否改成是，改变图片状态 sender.tag = !sender.tag; if (sender.tag) { [sender setImage:[UIImage imageNamed:@"5.png"] forState:UIControlStateNormal]; }else{ [sender setImage:[UIImage imageNamed:@"1.png"] forState:UIControlStateNormal]; } //改变单元格选中状态 for (int i=0; i<self.infoArr.count; i++) { GoodsInfoModel *model = [self.infoArr objectAtIndex:i]; model.selectState = sender.tag; } //计算价格 [self totalPrice]; //刷新表格 [self.goodsTableView reloadData];}
StatementViewController.h 结算试图
@property(nonatomic,assign)NSInteger price;//总价
StatementViewController.m
#import "StatementViewController.h"#import "SC.pch"@interface StatementViewController ()@end@implementation StatementViewController- (void)viewDidLoad { [super viewDidLoad]; self.view.backgroundColor=[UIColor whiteColor]; UILabel *allPrice=[[UILabel alloc]initWithFrame:CGRectMake(100, 100, 100, 160)]; allPrice.text= [NSString stringWithFormat:@"-----%ld-------",(long)self.price]; [self.view addSubview:allPrice]; }
原标题：iOS_一个购物车的使用
关键词：IOS
我知道了 