iOS开发——图片轮播图+单选选项

由于公司开发需要，需要滚动每道评测题，

并且一道评测题单项选择，按钮和文字都可点击选中

（单选比多选复杂一点，但是原理差不多）

1.当初任务紧，代码也没有优化，仅供思路参考，先放几张图

2.代码部分 ：支持返回代理实现界面刷新重置（忽略代码中的网络请求和统计部分）

//  Created by 刘成利 on 15/12/18.
//  Copyright © 2015年 YouXianMing. All rights reserved.
//

#import "RiskEvaluationViewController.h"
#import "NSString+HexColors.h"
#import "UIFont+Fonts.h"
#import "WxHxD.h"
#import "BlackShowView.h"
#import "RiskReportViewController.h"
#import "V_2_X_Networking.h"
#import "ISMResultModel.h"
#import "MyHomeViewController.h"
#import "LoadingView.h"
#import "BlackShowView.h"
#import "UserInfomation.h"
#import "NetworkingString.h"
#import "UIButton+NormalUsedButton.h"
#import "NSNotificationCenterString.h"

@interface RiskEvaluationViewController () <UIScrollViewDelegate, NetworkingDelegate,RiskReportDelegate>

@property (nonatomic, strong) UIScrollView *scrollView;   // 滚动视图
@property (nonatomic, strong) UILabel *pageChange;       // 右上角页码
@property (nonatomic, assign) int  pageNumber;          // 页码
@property (nonatomic, assign) int  XCount;            // X值倍数
@property (nonatomic, assign) int  btnTag;           // 选项tag
@property (nonatomic, strong) UIButton *submit;     // 提交按钮
@property (nonatomic, strong) NSArray* textArray1; // 测试题-------
@property (nonatomic, strong) NSArray* textArray2;
@property (nonatomic, strong) NSArray* textArray3;
@property (nonatomic, strong) NSArray* textArray4;
@property (nonatomic, strong) NSArray* textArray5;
@property (nonatomic, strong) NSMutableArray* scoreArray; // 选项分数
@property (nonatomic, strong) UIImageView *currentPiont;  // 当前页圆点

@property (nonatomic, strong) V_2_X_Networking  *networking;
@property (nonatomic, strong) NSString *riskLevel;       // 风险结果
@property (nonatomic, strong) LoadingView  *showLoadingView;

@end

@implementation RiskEvaluationViewController

- (void)setup {
    [super setup];
    
    self.titleLabel.text = @"风险测评";
    self.backgroundView.backgroundColor  = [@"f4f4f4" hexColor];
    
    if (self.isRegister == YES)
    {
        [self.backButton removeFromSuperview];
    }
    // 初始化基本数据
    [self foundationData];
    
    // 创建界面
    [self buildView];

    
}

- (void)foundationData{
    
    // 标记
    self.pageNumber = 1;
    self.XCount     = 0;
    self.btnTag     = 110; // 从110开始

    // 测试题
    self.textArray1 = @[@"1.您用于证券投资的大部分资金不会用作其它用途的时间段为：",@"短期——0到1年",@"中期——1到5年",@"长期——5年以上"];
    self.textArray2 = [NSArray arrayWithObjects:@"2.您家庭预计进行证券投资的资金占家庭现有总资产（不含自助、自用房产及汽车等固定资产。扣除债务）的比例是：",@"10%以下",@"10%——30%",@"30%——50%",@"50%——70%",@"70%以上", nil];
    self.textArray3 = [NSArray arrayWithObjects:@"3.以下投资，您会选择哪一项：
",@"确定赢取100元",@"80%的机会赢取1,000元",@"50%的机会赢取5,000元",@"25%的机会赢取10,000元",@"5%的机会赢取100,000元", nil];
    self.textArray4 = [NSArray arrayWithObjects:@"4.您认为自己能承受的最大投资损失是多少？
",@"不能承受本金亏损",@"10%以内",@"10%——30%",@"30%——50%",@"超过50%", nil];
    self.textArray5 = [NSArray arrayWithObjects:@"5.您是否设置并执行止损？
",@"买前选定止损且执行过",@"买前未想，但实际有操作",@"仅能对部分股份进行止损",@"不止损，牢底坐穿型",@"在资金充裕的情况下，不断补充摊低成本", nil];
    
    // 初始化分数,默认为0
    self.scoreArray = [NSMutableArray array];
    for (int i = 0; i <5; i++) {
        [self.scoreArray addObject:@0];
    }
 

}

- (void)buildView{
    
    
    // 滚动视图
    self.scrollView                                = [[UIScrollView alloc]initWithFrame:CGRectMake(0, 0, self.width, 330 *ScreenHeightRate)];
    self.scrollView.backgroundColor                = [UIColor clearColor];
    [self.contentView addSubview:self.scrollView];
    self.scrollView.contentSize                    = CGSizeMake(self.width*5, 320*ScreenHeightRate);
    self.scrollView.scrollEnabled                  = YES;
    self.scrollView.directionalLockEnabled         = YES;
    self.scrollView.pagingEnabled                  = YES;
    self.scrollView.showsHorizontalScrollIndicator = NO;
    self.scrollView.showsVerticalScrollIndicator   = NO;
    self.scrollView.delegate                       = self;
    
    
    // 添加5个试题
    [self createQustionView:self.textArray1];
    [self createQustionView:self.textArray2];
    [self createQustionView:self.textArray3];
    [self createQustionView:self.textArray4];
    [self createQustionView:self.textArray5];

    
   
    // 滚动条

   
     // 1,添加虚线
    UIImageView *ScrollBar = [[UIImageView alloc]initWithFrame:CGRectMake(45*ScreenWidthRate, 340*ScreenHeightRate, self.width-90*ScreenWidthRate, 1)];
    ScrollBar.image = [UIImage imageNamed:@"line_03"];
    [self.contentView addSubview:ScrollBar];
    
    
     // 2,添加灰色圆点
    for (int i = 0;i<5 ; i++)
    {
        CGFloat X = (self.width-90*ScreenWidthRate)/4;
        UIImageView* selectedPiont = [[UIImageView alloc]initWithFrame:CGRectMake((40*ScreenWidthRate+X*i), 335*ScreenHeightRate, 10*ScreenHeightRate, 10*ScreenHeightRate)];
        selectedPiont.image = [UIImage imageNamed:@"risk05"];
        selectedPiont.tag = i+1;
        [self.contentView addSubview:selectedPiont];

    }
    
     // 3,添加大圆点
    self.currentPiont = [[UIImageView alloc]initWithFrame:CGRectMake(39*ScreenWidthRate, 332*ScreenHeightRate, 18*ScreenHeightRate, 18*ScreenHeightRate)];
    self.currentPiont.image = [UIImage imageNamed:@"risk05"];
    [self.contentView addSubview:self.currentPiont];
    
    
    
    // 提交按钮
    CGRect submitframe = CGRectMake(12*ScreenWidthRate, 400*ScreenHeightRate, self.width-24*ScreenWidthRate, 40*ScreenHeightRate);

    self.submit = [UIButton normalUsedButtonStyleWithFrame:submitframe
                                                          title:@"提交"
                                                         target:self action:@selector(submitAction)];
    [self.contentView addSubview:self.submit];
    self.submit.enabled   = NO;
    

    // 跳过按钮
    if (self.isRegister == YES) {
        
        UIButton *skip                  = [UIButton buttonWithType:UIButtonTypeCustom];

        skip.frame                  = CGRectMake(self.width-(12+50)*ScreenWidthRate, 450*ScreenHeightRate, 50*ScreenWidthRate, 20*ScreenHeightRate);
        
        skip.backgroundColor            = [UIColor clearColor];
        skip.titleLabel.font            = [UIFont HeitiSCWithFontSize:15];
        skip.contentHorizontalAlignment = UIControlContentHorizontalAlignmentRight;
        /**
         *  富文本
         */
        NSString *originStr                      = @"跳过";
        NSMutableAttributedString *attributedStr = [[NSMutableAttributedString alloc] initWithString: originStr];
        [attributedStr addAttribute:NSUnderlineStyleAttributeName value:[NSNumber numberWithInteger:NSUnderlineStyleSingle] range:NSMakeRange(0, originStr.length)];
        [attributedStr addAttribute:NSForegroundColorAttributeName value:[@"999999" hexColor] range:NSMakeRange(0, originStr.length)];
        [skip setAttributedTitle:attributedStr forState:UIControlStateNormal];
        [skip addTarget:self action:@selector(skipAction) forControlEvents:UIControlEventTouchUpInside];
        [self.contentView addSubview:skip];
        
    }
    


}

// 生成试题View
- (void)createQustionView:(NSArray *)textArray{
    
    // 容器View
    UIView *questionView = [[UIView alloc]initWithFrame:CGRectMake(self.width*self.XCount, 0, self.width, 330*ScreenHeightRate)];
    questionView.backgroundColor = [UIColor clearColor];
    [self.scrollView addSubview:questionView];
    
    // 背景图片
    UIImageView *questionBG = [[UIImageView alloc]initWithFrame:CGRectMake(15*ScreenWidthRate, 15*ScreenHeightRate, self.width-30*ScreenWidthRate, 300*ScreenHeightRate)];
    questionBG.image = [UIImage imageNamed:@"questionBG"];
    questionBG.userInteractionEnabled = YES;
    [questionView addSubview:questionBG];
    
    // 问题
    UILabel *questionLabel        = [[UILabel alloc]initWithFrame:CGRectMake(20*ScreenWidthRate, 15*ScreenHeightRate, self.width-(30+30)*ScreenWidthRate, 70*ScreenHeightRate)];
    questionLabel.backgroundColor = [UIColor clearColor];
    questionLabel.textColor       = [@"333333" hexColor];
    questionLabel.text            = textArray[0];

        
    questionLabel.font        = [UIFont HeitiSCWithFontSize:15];
        
    
    
    questionLabel.textAlignment   = NSTextAlignmentLeft;
    questionLabel.numberOfLines   = 0;
    [questionBG addSubview:questionLabel];
    
    // 选项
    for (int index= 1; index <textArray.count;index++){
     
        UIButton *btn                = [UIButton buttonWithType:UIButtonTypeCustom];
        btn.frame                    = CGRectMake(20*ScreenWidthRate, (90+(index-1)*40-2)*ScreenHeightRate, (15+4)*ScreenHeightRate, (15+4)*ScreenHeightRate);
        btn.backgroundColor          = [UIColor clearColor];
        btn.tag                      = self.btnTag + index;
        btn.selected                 = NO;
        [btn setImage:[UIImage imageNamed:@"risk02"] forState:UIControlStateNormal];
        [btn setImage:[UIImage imageNamed:@"risk03"] forState:UIControlStateSelected];
        [btn addTarget:self action:@selector(chooseQuestion:) forControlEvents:UIControlEventTouchUpInside];
        [questionBG addSubview:btn];
        
        
        // 选项文字
        UILabel *label = [[UILabel alloc]initWithFrame:CGRectMake(45*ScreenWidthRate, (90+(index-1)*40)*ScreenHeightRate, self.width-(30+45)*ScreenWidthRate, 15*ScreenHeightRate)];
        label.backgroundColor = [UIColor clearColor];
        label.textColor       = [@"333333" hexColor];
        label.text            = textArray[index];
        label.font            = [UIFont HeitiSCWithFontSize:14];
        label.textAlignment   = NSTextAlignmentLeft;
        label.numberOfLines   = 1;
        label.tag             = self.btnTag-100 + index;
        [questionBG addSubview:label];
        
        // bug : 选项文字可以点击
        UIButton *btnList   = [UIButton buttonWithType:UIButtonTypeCustom];
        btn.backgroundColor = [UIColor clearColor];
        btnList.frame       = CGRectMake(45*ScreenWidthRate, (90+(index-1)*40)*ScreenHeightRate, self.width-(30+45)*ScreenWidthRate, 15*ScreenHeightRate);
        btnList.tag         = self.btnTag+100 + index;
        [btnList addTarget:self action:@selector(chooseQuestion:) forControlEvents:UIControlEventTouchUpInside];
        [questionBG addSubview:btnList];


    
    }
    // tag从 110，120，130，140，150开始
     self.btnTag = self.btnTag +10;
    
    // view的X值倍数
    self.XCount ++;
    
}


// 选择的题目
- (void)chooseQuestion:(UIButton *)sender{
    
    if (sender.tag >200) {
        sender.tag = sender.tag-100;
    }
    
    // 第一页 pageNumber = 1  第一页题目数量和其他页题目数量不一样
    if (self.pageNumber == 1)
    {
        // 1，先全部设为非选中状态,字体原色
        for (int i = 1; i<=3; i++) {
            UIButton *btn = [self.view viewWithTag:110+i];
            btn.selected  = NO;
            
            UILabel *label  = [self.view viewWithTag:10+i];
            label.textColor = [@"333333" hexColor];
        }
        
        // 2，再单独设置选中的按钮
        UIButton *btn = [self.view viewWithTag:sender.tag];
        btn.selected = YES;
        
        UILabel *label  = [self.view viewWithTag:sender.tag -100];
        label.textColor = [@"3c77d6" hexColor];
        
        // 3，传递分数
        if (sender.tag == 111 ) {
            [self.scoreArray replaceObjectAtIndex:0 withObject:@1];
        }else if (sender.tag == 112){
            [self.scoreArray replaceObjectAtIndex:0 withObject:@3];
        }else if (sender.tag == 113){
           [self.scoreArray replaceObjectAtIndex:0 withObject:@5];
        }
        
       
        
        
    }else{
        /**
         *  第二页到第五页 pageNumber = 2,3,4,5
         */
    
        // 1，先全部设为非选中状态
        for (int i = 1; i<=5; i++) {
            UIButton *btn = [self.view viewWithTag:100+self.pageNumber*10+i];
            btn.selected  = NO;
            
            UILabel *label  = [self.view viewWithTag:self.pageNumber*10+i];
            label.textColor = [@"333333" hexColor];

        }
        
        // 2，再单独设置选中的按钮
        UIButton *btn = [self.view viewWithTag:sender.tag];
        btn.selected = YES;
        UILabel *label  = [self.view viewWithTag:sender.tag -100];
        label.textColor = [@"3c77d6" hexColor];

        
        // 3，传递分数   : 121-100-2*10 = 1分
        NSNumber *number = [NSNumber numberWithInteger:sender.tag-100-self.pageNumber*10];
        [self.scoreArray replaceObjectAtIndex:self.pageNumber-1 withObject:number];

    
    }
    
      // 改变圆点颜色
    UIImageView *point = [self.view viewWithTag:self.pageNumber];
    point.image = [UIImage imageNamed:@"risk04"];
    
    self.currentPiont.image = point.image;
    
    
    
    [self isFinishQuestion];   // 判断题目是否答完
    


}

// 判断题目是否答完
- (void)isFinishQuestion{

    // 判断是否答完题
    int flag = 0;
    for (int i = 0;i <5;i++){
        
        if ([self.scoreArray[i] integerValue] != 0) { // 答完情况
            
            flag ++;
        }
    }
    
    
    if (flag == 5) {
        self.submit.enabled = YES;
    }else{
    
        self.submit.enabled = NO;
    }
}

/**
 *  滚动视图代理
 */

- (void)scrollViewDidEndDecelerating:(UIScrollView *)scrollView{

    // 计算页数 +1（从第一页开始）
    NSUInteger temp = self.scrollView.contentOffset.x / self.scrollView.bounds.size.width; // 避免负数
    self.pageNumber = (int)temp +1;
    
    // 改变右上角
    self.pageChange.text = [NSString stringWithFormat:@"%d-5",self.pageNumber];

   // 改变大圆点的位置
    CGFloat X = (self.width-90*ScreenWidthRate)/4;
    [UIView animateWithDuration:0.3 animations:^{
        self.currentPiont.frame = CGRectMake((39*ScreenWidthRate+X*(self.pageNumber -1)), 332*ScreenHeightRate, 18*ScreenHeightRate, 18*ScreenHeightRate);
    }];
    
    if ([self.scoreArray[self.pageNumber-1] intValue] == 0) {
        self.currentPiont.image = [UIImage imageNamed:@"risk05"];
    }else{
        self.currentPiont.image = [UIImage imageNamed:@"risk04"];
    }

}



// 提交事件
- (void)submitAction{

    if (self.isRegister) {
        [[RCStatHelper shareInstance] insertEvent:BUT_REGISTER_RISK_SUBMIT];
    }else{
        [[RCStatHelper shareInstance] insertEvent:BUT_RISK_SEND];
    }
    
    // 计算得分
    /**
     *  S=1/3S1+2/3S25
     其中S为评测总分，S1为第一题得分，S25为第二题到第五题得分汇总；
     */
    int s1  = [self.scoreArray[0] intValue];
    int s25 = [self.scoreArray[1] intValue]+[self.scoreArray[2] intValue]+[self.scoreArray[3] intValue]+[self.scoreArray[4] intValue];
    double all = s1/3.0 +s25*2/3.0;
    
    
    
    if (all < 7) {
        
        // @"稳健型";    // 1稳健型  2 平衡型    3积极型
        self.riskLevel = @"1";
    }else if (all > 11){
    
        //@"积极型";
        self.riskLevel = @"3";
    }else{
        
        //@"平衡型";
        self.riskLevel = @"2";
        
    }
    
    
    
    // 上传网络结果
    [self launchNetworking];
    
    
    
    
    RiskReportViewController *riskReportVC = [RiskReportViewController new];
    riskReportVC.totalScore = all;
    riskReportVC.isRegister = self.isRegister;
    riskReportVC.delegate   = self;
    [self.navigationController pushViewController:riskReportVC animated:YES];

}

- (void)launchNetworking{
    
    
    
    // 提交风险评测结果
    self.networking = [V_2_X_Networking postMethodNetworkingWithNetworkInfomation:ServiceName(kRiskAssess)
                                                                            requestDictionary:@{@"userId" : userInfomation().userId,
                                                                                                @"riskLevel" : self.riskLevel}
                                                                              requestBodyType:[HttpBodyType type]
                                                                             responseDataType:[JsonDataType type]];
  //  [self.networking appendJsonDictionary:@{@"userId" : @"U000002698", @"riskLevel" : self.riskLevel}];
    self.networking.delegate = self;
    
    [self.networking startRequest];
    
    self.showLoadingView = [LoadingView loadingViewStartLoadingInContentView:self.loadingView];
}

#pragma mark 网络代理
- (void)requestSucess:(Networking *)networking data:(id)data {
    
    [self.showLoadingView stopLoading];
    
    ISMResultModel *result = [[ISMResultModel alloc] initWithDictionary:data];
    if (result.isSucceed) {
        
        
        NSLog(@"风险评估上传成功！");
//        [self.navigationController dismissViewControllerAnimated:YES completion:^{
//            
//        }];
//        
//        [self refreshMyHomeViewController];
        
     
        
    }else {
        
        NSLog(@"风险评估上传失败！");
        [BlackShowView alertViewShowInContentView:self.loadingView message:result.errorInfo];
    }
}

- (void)requestFailed:(Networking *)networking error:(NSError *)error {
    NSLog(@"风险评估%@",error);
    //  提示已发送
    
    [self.showLoadingView stopLoading];
    [BlackShowView alertViewShowInContentView:self.loadingView message:networkErrorString];
}

- (void)refreshMyHomeViewController {

    for (int i = 0; i < self.navigationController.viewControllers.count; i++) {
        
        UIViewController *cv = self.navigationController.viewControllers[i];
        if ([cv isKindOfClass:[MyHomeViewController class]]) {
            
            MyHomeViewController *myHomeVC = (MyHomeViewController *)cv;
            [myHomeVC networkingToGetNetData];
        }
    }
}

// 跳过事件
- (void)skipAction {
    [[RCStatHelper shareInstance] insertEvent:BUT_REGISTER_RISK_JUMP];
    [[NSNotificationCenter defaultCenter] postNotificationName:MyHomeViewControllerNetworkingToGetNetDataNotification object:nil];
    [self.navigationController dismissViewControllerAnimated:YES completion:^{
        
    }];
}

// 导航栏右侧——页码
- (void)buildTitleView {
    [super buildTitleView];
    
    self.pageChange                 = [[UILabel alloc]initWithFrame:CGRectMake(self.width-12-40, 35, 40, 20)];
    self.pageChange.backgroundColor = [UIColor clearColor];
    self.pageChange.textColor       = [@"ffffff" hexColor];
    self.pageChange.text            = @"1-5";
    self.pageChange.font            = [UIFont HeitiSCWithFontSize:13];
    self.pageChange.textAlignment   = NSTextAlignmentRight;
    self.pageChange.numberOfLines   = 1;
    [self.titleView addSubview:self.pageChange];
    
}

#pragma mark - view.
- (void)viewDidAppear:(BOOL)animated {
    
    [super viewDidAppear:animated];
    
    if(self.isRegister){
        
        [[RCStatHelper shareInstance] startPage:PAGE_REGISTER_RISK];

    }else{
        
        [[RCStatHelper shareInstance] startPage:PAGE_RISK];

    }

    self.enableInteractivePopGestureRecognizer = NO;
}

- (void)viewDidDisappear:(BOOL)animated {
    
    [super viewDidDisappear:animated];
    if(self.isRegister){
        
        [[RCStatHelper shareInstance] endPage:PAGE_REGISTER_RISK];
        
    }else{
        
        [[RCStatHelper shareInstance] endPage:PAGE_RISK];
        
    }

    self.enableInteractivePopGestureRecognizer = YES;
}

// 重测刷新 delegate方法
- (void)refreshRiskEvaluate{
    
//    [self.contentView setNeedsLayout];
    [self.scrollView  removeFromSuperview];
    [self.submit      removeFromSuperview];
    [self.currentPiont removeFromSuperview];
    
    // 清除滚动点小灰点
    for (int i = 0;i<5 ; i++)
    {
        
    UIImageView *point = [self.view viewWithTag:i+1];
    [point removeFromSuperview];
    }
    
    
    self.pageChange.text  = @"1-5";

    
    // 初始化基本数据
    [self foundationData];
    
    // 创建界面
    [self buildView];
  


}
@end