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592 lines
26 KiB
592 lines
26 KiB
// ChartViewController.m
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// HC
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//
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// Created by huilinLi on 2025/11/27.
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//
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#import "ChartViewController.h"
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#import "StockKLineModel.h"
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@interface ChartViewController ()
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// 上方卡片容器
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@property (nonatomic, strong) UIView *cardContainer;
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// k线选择项容器
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@property (nonatomic, strong) UIView *kSelectContainer;
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// K线图表容器
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@property (nonatomic, strong) UIView *kLineContainer;
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// K线图表滚动视图
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@property (nonatomic, strong) UIScrollView *kLineScrollView;
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// K线数据
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@property (nonatomic, strong) NSArray *kLineData;
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// 价格刻度标签
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@property (nonatomic, strong) NSArray *priceLabels;
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// 日期刻度标签
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@property (nonatomic, strong) NSArray *dateLabels;
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// 默认展示的K线数量
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@property (nonatomic, assign) NSInteger visibleKLineCount;
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@end
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@implementation ChartViewController
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- (void)viewDidLoad {
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[super viewDidLoad];
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self.view.backgroundColor = [UIColor blackColor];
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self.visibleKLineCount = 40;
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[self generateMockData];
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[self setupSubviews];
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[self setupConstraints];
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dispatch_async(dispatch_get_main_queue(), ^{
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[self drawKLineChart];
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if (self.kLineScrollView.contentSize.width > self.kLineScrollView.bounds.size.width) {
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CGPoint offset = CGPointMake(self.kLineScrollView.contentSize.width - self.kLineScrollView.bounds.size.width, 0);
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[self.kLineScrollView setContentOffset:offset animated:NO];
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}
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});
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}
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#pragma mark - UI Setup
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-(void) setupSubviews{
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// 卡片容器
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_cardContainer = [[UIView alloc] init];
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_cardContainer.backgroundColor = [UIColor colorWithRed:26.0/255.0
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green:26.0/255.0
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blue:2.0/255.0
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alpha:1.0];
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_cardContainer.translatesAutoresizingMaskIntoConstraints = NO;
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[self.view addSubview:_cardContainer];
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UILabel *cardLabel1 = [[UILabel alloc] init];
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cardLabel1.text = @"1617.060";
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cardLabel1.textColor = [UIColor redColor];
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cardLabel1.font = [UIFont systemFontOfSize:15];
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cardLabel1.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardLabel1];
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UILabel *cardLabel2 = [[UILabel alloc] init];
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cardLabel2.text = @"-7.470";
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cardLabel2.textColor = [UIColor redColor];
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cardLabel2.font = [UIFont systemFontOfSize:8];
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cardLabel2.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardLabel2];
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UILabel *cardLabel3 = [[UILabel alloc] init];
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cardLabel3.text = @"-0.461%";
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cardLabel3.textColor = [UIColor redColor];
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cardLabel3.font = [UIFont systemFontOfSize:8];
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cardLabel3.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardLabel3];
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[NSLayoutConstraint activateConstraints:@[
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[cardLabel1.topAnchor constraintEqualToAnchor:_cardContainer.topAnchor constant:25],
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[cardLabel1.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant:10],
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[cardLabel2.topAnchor constraintEqualToAnchor:_cardContainer.topAnchor constant:50],
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[cardLabel2.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant: 8],
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[cardLabel3.topAnchor constraintEqualToAnchor:_cardContainer.topAnchor constant:50],
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[cardLabel3.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor constant: 45]
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]];
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UILabel *cardLabelHeight = [[UILabel alloc] init];
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cardLabelHeight.text = @"高";
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cardLabelHeight.textColor = [UIColor colorWithRed:0.2 green:0.2 blue:0.2 alpha:1];
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cardLabelHeight.font = [UIFont systemFontOfSize:15];
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cardLabelHeight.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardLabelHeight];
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UILabel *cardLabelStart = [[UILabel alloc] init];
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cardLabelStart.text = @"开";
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cardLabelStart.textColor = [UIColor colorWithRed:0.2 green:0.2 blue:0.2 alpha:1];
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cardLabelStart.font = [UIFont systemFontOfSize:15];
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cardLabelStart.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardLabelStart];
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UILabel *cardLabelVolume = [[UILabel alloc] init];
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cardLabelVolume.text = @"量";
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cardLabelVolume.textColor = [UIColor colorWithRed:0.2 green:0.2 blue:0.2 alpha:1];
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cardLabelVolume.font = [UIFont systemFontOfSize:15];
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cardLabelVolume.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardLabelVolume];
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UILabel *cardLabelLow = [[UILabel alloc] init];
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cardLabelLow.text = @"低";
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cardLabelLow.textColor = [UIColor colorWithRed:0.2 green:0.2 blue:0.2 alpha:1];
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cardLabelLow.font = [UIFont systemFontOfSize:15];
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cardLabelLow.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardLabelLow];
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UILabel *cardLabelChange = [[UILabel alloc] init];
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cardLabelChange.text = @"换";
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cardLabelChange.textColor = [UIColor colorWithRed:0.2 green:0.2 blue:0.2 alpha:1];
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cardLabelChange.font = [UIFont systemFontOfSize:15];
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cardLabelChange.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardLabelChange];
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UILabel *cardLabelQuota = [[UILabel alloc] init];
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cardLabelQuota.text = @"额";
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cardLabelQuota.textColor = [UIColor colorWithRed:0.2 green:0.2 blue:0.2 alpha:1];
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cardLabelQuota.font = [UIFont systemFontOfSize:15];
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cardLabelQuota.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardLabelQuota];
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UILabel *cardNumHeight = [[UILabel alloc] init];
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cardNumHeight.text = @"1617.260";
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cardNumHeight.textColor = [UIColor redColor];
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cardNumHeight.font = [UIFont systemFontOfSize:12];
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cardNumHeight.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardNumHeight];
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UILabel *cardNumStart = [[UILabel alloc] init];
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cardNumStart.text = @"1616.750";
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cardNumStart.textColor = [UIColor redColor];
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cardNumStart.font = [UIFont systemFontOfSize:12];
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cardNumStart.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardNumStart];
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UILabel *cardNumVolume = [[UILabel alloc] init];
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cardNumVolume.text = @"1.511亿";
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cardNumVolume.textColor = [UIColor whiteColor];
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cardNumVolume.font = [UIFont systemFontOfSize:12];
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cardNumVolume.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardNumVolume];
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UILabel *cardNumLow = [[UILabel alloc] init];
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cardNumLow.text = @"1608.850";
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cardNumLow.textColor = [UIColor whiteColor];
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cardNumLow.font = [UIFont systemFontOfSize:12];
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cardNumLow.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardNumLow];
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UILabel *cardNumChange = [[UILabel alloc] init];
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cardNumChange.text = @"--";
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cardNumChange.textColor = [UIColor whiteColor];
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cardNumChange.font = [UIFont systemFontOfSize:12];
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cardNumChange.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardNumChange];
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UILabel *cardNumQuota = [[UILabel alloc] init];
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cardNumQuota.text = @"--";
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cardNumQuota.textColor = [UIColor whiteColor];
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cardNumQuota.font = [UIFont systemFontOfSize:12];
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cardNumQuota.translatesAutoresizingMaskIntoConstraints = NO;
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[_cardContainer addSubview:cardNumQuota];
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[NSLayoutConstraint activateConstraints:@[
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[cardLabelHeight.bottomAnchor constraintEqualToAnchor:_cardContainer.bottomAnchor constant:-75],
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[cardLabelStart.bottomAnchor constraintEqualToAnchor:cardLabelHeight.bottomAnchor],
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[cardLabelVolume.bottomAnchor constraintEqualToAnchor:cardLabelHeight.bottomAnchor],
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[cardLabelLow.topAnchor constraintEqualToAnchor:_cardContainer.bottomAnchor constant:-50],
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[cardLabelLow.leadingAnchor constraintEqualToAnchor:cardLabelHeight.leadingAnchor],
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[cardLabelChange.topAnchor constraintEqualToAnchor:_cardContainer.bottomAnchor constant:-50],
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[cardLabelChange.leadingAnchor constraintEqualToAnchor:cardLabelStart.leadingAnchor],
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[cardLabelQuota.topAnchor constraintEqualToAnchor:_cardContainer.bottomAnchor constant:-50],
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[cardLabelQuota.leadingAnchor constraintEqualToAnchor:cardLabelVolume.leadingAnchor],
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[cardNumHeight.bottomAnchor constraintEqualToAnchor:_cardContainer.topAnchor constant:45],
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[cardNumHeight.leadingAnchor constraintEqualToAnchor:cardLabelHeight.leadingAnchor],
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[cardNumStart.bottomAnchor constraintEqualToAnchor:cardNumHeight.bottomAnchor],
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[cardNumStart.leadingAnchor constraintEqualToAnchor:cardLabelStart.leadingAnchor],
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[cardNumVolume.bottomAnchor constraintEqualToAnchor:cardNumHeight.bottomAnchor],
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[cardNumVolume.leadingAnchor constraintEqualToAnchor:cardLabelVolume.leadingAnchor],
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[cardNumLow.bottomAnchor constraintEqualToAnchor:_cardContainer.bottomAnchor constant:-10],
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[cardNumLow.leadingAnchor constraintEqualToAnchor:cardLabelLow.leadingAnchor],
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[cardNumChange.bottomAnchor constraintEqualToAnchor:cardNumLow.bottomAnchor],
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[cardNumChange.leadingAnchor constraintEqualToAnchor:cardLabelChange.leadingAnchor],
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[cardNumQuota.bottomAnchor constraintEqualToAnchor:cardNumLow.bottomAnchor],
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[cardNumQuota.leadingAnchor constraintEqualToAnchor:cardLabelVolume.leadingAnchor]
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]];
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[NSLayoutConstraint constraintWithItem:cardLabelHeight
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:_cardContainer
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attribute:NSLayoutAttributeTrailing
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multiplier:0.25
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constant:0].active = YES;
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[NSLayoutConstraint constraintWithItem:cardLabelStart
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:_cardContainer
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attribute:NSLayoutAttributeTrailing
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multiplier:0.5
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constant:0].active = YES;
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[NSLayoutConstraint constraintWithItem:cardLabelVolume
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attribute:NSLayoutAttributeLeading
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relatedBy:NSLayoutRelationEqual
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toItem:_cardContainer
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attribute:NSLayoutAttributeTrailing
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multiplier:0.75
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constant:0].active = YES;
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// K线选择项容器
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_kSelectContainer = [[UIView alloc] init];
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_kSelectContainer.backgroundColor = [UIColor colorWithRed:26.0/255.0
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green:26.0/255.0
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blue:2.0/255.0
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alpha:1.0];
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_kSelectContainer.translatesAutoresizingMaskIntoConstraints = NO;
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[self.view addSubview:_kSelectContainer];
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[self addKSelectOptions];
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// K线图表容器
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self.kLineContainer = [[UIView alloc] init];
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self.kLineContainer.backgroundColor = [UIColor colorWithRed:26.0/255.0 green:26.0/255.0 blue:26.0/255.0 alpha:1.0];
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self.kLineContainer.translatesAutoresizingMaskIntoConstraints = NO;
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[self.view addSubview:self.kLineContainer];
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// K线图表滚动视图
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self.kLineScrollView = [[UIScrollView alloc] init];
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self.kLineScrollView.backgroundColor = [UIColor clearColor];
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self.kLineScrollView.showsHorizontalScrollIndicator = NO;
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self.kLineScrollView.userInteractionEnabled = YES;
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self.kLineScrollView.translatesAutoresizingMaskIntoConstraints = NO;
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[self.kLineContainer addSubview:self.kLineScrollView];
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CGFloat priceLabelAreaWidth = 50.0;
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// 滚动视图的约束
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[NSLayoutConstraint activateConstraints:@[
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[self.kLineScrollView.topAnchor constraintEqualToAnchor:self.kLineContainer.topAnchor],
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[self.kLineScrollView.bottomAnchor constraintEqualToAnchor:self.kLineContainer.bottomAnchor],
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[self.kLineScrollView.leadingAnchor constraintEqualToAnchor:self.kLineContainer.leadingAnchor constant:priceLabelAreaWidth],
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[self.kLineScrollView.trailingAnchor constraintEqualToAnchor:self.kLineContainer.trailingAnchor],
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[self.kLineScrollView.heightAnchor constraintEqualToAnchor:self.kLineContainer.heightAnchor]
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]];
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// 边框
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UIView *borderView = [[UIView alloc] init];
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borderView.backgroundColor = [UIColor clearColor];
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borderView.layer.borderWidth = 1;
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borderView.layer.borderColor = [[UIColor colorWithRed:0.4 green:0.4 blue:0.4 alpha:1.0] CGColor];
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borderView.translatesAutoresizingMaskIntoConstraints = NO;
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[self.kLineContainer addSubview:borderView];
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[NSLayoutConstraint activateConstraints:@[
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[borderView.leadingAnchor constraintEqualToAnchor:self.kLineContainer.leadingAnchor],
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[borderView.trailingAnchor constraintEqualToAnchor:self.kLineContainer.trailingAnchor],
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[borderView.topAnchor constraintEqualToAnchor:self.kLineContainer.topAnchor],
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[borderView.bottomAnchor constraintEqualToAnchor:self.kLineContainer.bottomAnchor]
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]];
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// 动态计算模型数据的价格区间
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CGFloat maxPrice = 0;
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CGFloat minPrice = CGFLOAT_MAX;
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for (id item in self.kLineData) {
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if ([item isKindOfClass:[StockKLineModel class]]) {
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StockKLineModel *model = (StockKLineModel *)item;
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maxPrice = MAX(maxPrice, model.high);
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minPrice = MIN(minPrice, model.low);
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} else if ([item isKindOfClass:[NSDictionary class]]) {
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NSDictionary *dict = (NSDictionary *)item;
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maxPrice = MAX(maxPrice, [dict[@"high"] floatValue]);
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minPrice = MIN(minPrice, [dict[@"low"] floatValue]);
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}
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}
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maxPrice = maxPrice + (maxPrice - minPrice) * 0.1;
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minPrice = minPrice - (maxPrice - minPrice) * 0.1;
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// 价格刻度
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NSMutableArray *priceLabelArr = [NSMutableArray array];
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for (NSInteger i = 0; i < 5; i++) {
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CGFloat price = maxPrice - (maxPrice - minPrice) / 4 * i;
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UILabel *label = [[UILabel alloc] init];
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label.text = [NSString stringWithFormat:@"%.1f", price];
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label.textColor = [UIColor lightGrayColor];
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label.font = [UIFont systemFontOfSize:10];
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label.translatesAutoresizingMaskIntoConstraints = NO;
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[self.kLineContainer addSubview:label];
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[NSLayoutConstraint activateConstraints:@[
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[label.leadingAnchor constraintEqualToAnchor:self.kLineContainer.leadingAnchor constant:5],
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[label.centerYAnchor constraintEqualToAnchor:self.kLineContainer.centerYAnchor constant:-80 + 40 * i]
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]];
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[priceLabelArr addObject:label];
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}
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self.priceLabels = priceLabelArr;
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self.dateLabels = @[];
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}
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- (void)addKSelectOptions {
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NSArray *titles = @[@"日k", @"周k", @"月k", @"更多", @"设置"];
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UIStackView *stackView = [[UIStackView alloc] init];
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stackView.axis = UILayoutConstraintAxisHorizontal;
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stackView.distribution = UIStackViewDistributionFillEqually;
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stackView.alignment = UIStackViewAlignmentCenter;
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stackView.spacing = 5.0;
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stackView.translatesAutoresizingMaskIntoConstraints = NO;
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for (NSString *title in titles) {
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UIButton *button = [UIButton buttonWithType:UIButtonTypeSystem];
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[button setTitle:title forState:UIControlStateNormal];
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button.titleLabel.font = [UIFont systemFontOfSize:14];
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[button setTitleColor:[UIColor whiteColor] forState:UIControlStateNormal];
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if ([title isEqualToString:@"日k"]) {
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[button setTitleColor:[UIColor yellowColor] forState:UIControlStateNormal];
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button.layer.borderColor = [[UIColor yellowColor] CGColor];
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button.layer.borderWidth = 1.0;
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} else {
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[button setTitleColor:[UIColor lightGrayColor] forState:UIControlStateNormal];
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button.layer.borderWidth = 0;
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}
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button.layer.cornerRadius = 3.0;
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button.clipsToBounds = YES;
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[stackView addArrangedSubview:button];
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}
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[_kSelectContainer addSubview:stackView];
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[NSLayoutConstraint activateConstraints:@[
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[stackView.leadingAnchor constraintEqualToAnchor:_kSelectContainer.leadingAnchor constant:10],
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[stackView.trailingAnchor constraintEqualToAnchor:_kSelectContainer.trailingAnchor constant:-10],
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[stackView.topAnchor constraintEqualToAnchor:_kSelectContainer.topAnchor constant:5],
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[stackView.bottomAnchor constraintEqualToAnchor:_kSelectContainer.bottomAnchor constant:-5]
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]];
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}
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#pragma mark - Constraints
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- (void)setupConstraints{
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[NSLayoutConstraint activateConstraints:@[
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[_cardContainer.topAnchor constraintEqualToAnchor:self.view.safeAreaLayoutGuide.topAnchor],
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[_cardContainer.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor],
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[_cardContainer.widthAnchor constraintEqualToAnchor:self.view.widthAnchor],
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[_cardContainer.heightAnchor constraintEqualToConstant:100],
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[_kSelectContainer.topAnchor constraintEqualToAnchor:_cardContainer.bottomAnchor constant:5],
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[_kSelectContainer.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor],
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[_kSelectContainer.widthAnchor constraintEqualToAnchor:self.view.widthAnchor],
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[_kSelectContainer.heightAnchor constraintEqualToConstant:40],
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[self.kLineContainer.topAnchor constraintEqualToAnchor:self.kSelectContainer.bottomAnchor constant:5],
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[self.kLineContainer.leadingAnchor constraintEqualToAnchor:self.view.leadingAnchor],
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[self.kLineContainer.widthAnchor constraintEqualToAnchor:self.view.widthAnchor],
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[self.kLineContainer.heightAnchor constraintEqualToConstant:200]
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]];
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}
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#pragma mark - KLine Drawing
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- (void)drawKLineChart {
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// 移除旧的 K 线
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for (UIView *subview in self.kLineScrollView.subviews) {
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if (![subview isKindOfClass:[UILabel class]]) {
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[subview removeFromSuperview];
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}
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}
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CGFloat chartHeight = self.kLineContainer.bounds.size.height;
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if (chartHeight == 0) {
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chartHeight = 200;
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}
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// K线宽度计算
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CGFloat kLineUnitWidth = 5.0;
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CGFloat kLineRatio = 0.8;
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CGFloat kLineWidth = kLineUnitWidth * kLineRatio;
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CGFloat space = kLineUnitWidth * (1.0 - kLineRatio);
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CGFloat totalChartWidth = kLineUnitWidth * self.kLineData.count;
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// 设置contentSize
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self.kLineScrollView.contentSize = CGSizeMake(totalChartWidth, chartHeight);
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// 动态计算价格区间
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CGFloat maxPrice = 0;
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CGFloat minPrice = CGFLOAT_MAX;
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for (id item in self.kLineData) {
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if ([item isKindOfClass:[StockKLineModel class]]) {
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StockKLineModel *model = (StockKLineModel *)item;
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maxPrice = MAX(maxPrice, model.high);
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minPrice = MIN(minPrice, model.low);
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} else if ([item isKindOfClass:[NSDictionary class]]) {
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NSDictionary *dict = (NSDictionary *)item;
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maxPrice = MAX(maxPrice, [dict[@"high"] floatValue]);
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minPrice = MIN(minPrice, [dict[@"low"] floatValue]);
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}
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}
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maxPrice = maxPrice + (maxPrice - minPrice) * 0.1;
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minPrice = minPrice - (maxPrice - minPrice) * 0.1;
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CGFloat priceRange = maxPrice - minPrice;
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// 绘制K线
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for (NSInteger i = 0; i < self.kLineData.count; i++) {
|
|
CGFloat open = 0, high = 0, low = 0, close = 0;
|
|
|
|
if ([self.kLineData[i] isKindOfClass:[StockKLineModel class]]) {
|
|
StockKLineModel *model = (StockKLineModel *)self.kLineData[i];
|
|
open = model.open;
|
|
high = model.high;
|
|
low = model.low;
|
|
close = model.close;
|
|
} else if ([self.kLineData[i] isKindOfClass:[NSDictionary class]]) {
|
|
NSDictionary *dict = (NSDictionary *)self.kLineData[i];
|
|
open = [dict[@"open"] floatValue];
|
|
high = [dict[@"high"] floatValue];
|
|
low = [dict[@"low"] floatValue];
|
|
close = [dict[@"close"] floatValue];
|
|
}
|
|
|
|
// 坐标转换
|
|
CGFloat yOpen = chartHeight * (maxPrice - open) / priceRange;
|
|
CGFloat yHigh = chartHeight * (maxPrice - high) / priceRange;
|
|
CGFloat yLow = chartHeight * (maxPrice - low) / priceRange;
|
|
CGFloat yClose = chartHeight * (maxPrice - close) / priceRange;
|
|
|
|
// 计算X坐标
|
|
CGFloat xPosition = space/2 + kLineUnitWidth * i;
|
|
|
|
// 绘制K线实体
|
|
UIView *bodyView = [[UIView alloc] init];
|
|
bodyView.backgroundColor = (close >= open) ? [UIColor greenColor] : [UIColor redColor];
|
|
bodyView.frame = CGRectMake(
|
|
xPosition,
|
|
MIN(yOpen, yClose),
|
|
kLineWidth,
|
|
MAX(1.0, fabs(yClose - yOpen))
|
|
);
|
|
[self.kLineScrollView addSubview:bodyView];
|
|
|
|
// 绘制影线
|
|
UIView *shadowView = [[UIView alloc] init];
|
|
shadowView.backgroundColor = bodyView.backgroundColor;
|
|
shadowView.frame = CGRectMake(
|
|
bodyView.center.x - 0.5,
|
|
yHigh,
|
|
1,
|
|
yLow - yHigh
|
|
);
|
|
[self.kLineScrollView addSubview:shadowView];
|
|
}
|
|
|
|
// 日期刻度
|
|
for (UILabel *label in self.dateLabels) {
|
|
[label removeFromSuperview];
|
|
}
|
|
|
|
NSMutableArray *dateLabelArr = [NSMutableArray array];
|
|
NSInteger dateInterval = 10;
|
|
|
|
for (NSInteger i = 0; i < self.kLineData.count; i += dateInterval) {
|
|
NSString *dateStr = @"";
|
|
if ([self.kLineData[i] isKindOfClass:[StockKLineModel class]]) {
|
|
StockKLineModel *model = (StockKLineModel *)self.kLineData[i];
|
|
dateStr = model.date;
|
|
} else if ([self.kLineData[i] isKindOfClass:[NSDictionary class]]) {
|
|
NSDictionary *dict = (NSDictionary *)self.kLineData[i];
|
|
dateStr = dict[@"date"];
|
|
}
|
|
UILabel *label = [[UILabel alloc] init];
|
|
label.text = dateStr;
|
|
label.textColor = [UIColor lightGrayColor];
|
|
label.font = [UIFont systemFontOfSize:10];
|
|
label.translatesAutoresizingMaskIntoConstraints = YES;
|
|
|
|
CGFloat xCenter = kLineUnitWidth * (i + 0.5);
|
|
[label sizeToFit];
|
|
|
|
label.frame = CGRectMake(
|
|
xCenter - label.bounds.size.width / 2,
|
|
chartHeight - 15,
|
|
label.bounds.size.width,
|
|
label.bounds.size.height
|
|
);
|
|
|
|
[self.kLineScrollView addSubview:label];
|
|
[dateLabelArr addObject:label];
|
|
}
|
|
self.dateLabels = dateLabelArr;
|
|
|
|
NSLog(@"ScrollView Bounds Width: %f", self.kLineScrollView.bounds.size.width);
|
|
NSLog(@"Content Size Width: %f", self.kLineScrollView.contentSize.width);
|
|
|
|
if (self.kLineScrollView.contentSize.width <= self.kLineScrollView.bounds.size.width) {
|
|
NSLog(@"⚠️ 警告：ContentSize 不够大，无法滑动。");
|
|
}
|
|
}
|
|
|
|
#pragma mark - Mock Data
|
|
- (void) setupData{
|
|
self.kLineData = @[
|
|
@{@"date":@"2025/11/18", @"open":@1620.0, @"high":@1643.0, @"low":@1605.0, @"close":@1630.0, @"volume":@2.5},
|
|
@{@"date":@"2025/11/19", @"open":@1630.0, @"high":@1635.0, @"low":@1615.0, @"close":@1620.0, @"volume":@2.2},
|
|
@{@"date":@"2025/11/20", @"open":@1620.0, @"high":@1628.0, @"low":@1608.0, @"close":@1615.0, @"volume":@1.8},
|
|
@{@"date":@"2025/11/21", @"open":@1615.0, @"high":@1625.0, @"low":@1610.0, @"close":@1622.0, @"volume":@2.0},
|
|
@{@"date":@"2025/11/22", @"open":@1622.0, @"high":@1630.0, @"low":@1618.0, @"close":@1625.0, @"volume":@2.3},
|
|
@{@"date":@"2025/11/25", @"open":@1625.0, @"high":@1632.0, @"low":@1620.0, @"close":@1628.0, @"volume":@1.9},
|
|
@{@"date":@"2025/11/26", @"open":@1628.0, @"high":@1635.0, @"low":@1622.0, @"close":@1630.0, @"volume":@2.1},
|
|
@{@"date":@"2025/11/27", @"open":@1630.0, @"high":@1638.0, @"low":@1625.0, @"close":@1628.0, @"volume":@2.4},
|
|
@{@"date":@"2025/11/28", @"open":@1628.0, @"high":@1632.0, @"low":@1609.0, @"close":@1610.0, @"volume":@2.6},
|
|
@{@"date":@"2025/11/29", @"open":@1610.0, @"high":@1620.0, @"low":@1608.0, @"close":@1615.0, @"volume":@1.7}
|
|
];
|
|
}
|
|
|
|
- (void)generateMockData {
|
|
NSMutableArray *arr = [NSMutableArray array];
|
|
CGFloat lastClose = 100.0;
|
|
NSLog(@"生成模拟数据中。。。");
|
|
|
|
// 生成200条数据（减少数量，避免contentSize过大）
|
|
for (int i = 0; i < 200; i++) {
|
|
StockKLineModel *model = [[StockKLineModel alloc] init];
|
|
|
|
NSDate *date = [NSDate dateWithTimeIntervalSinceNow:-(200 - i) * 24 * 3600];
|
|
NSDateFormatter *fmt = [[NSDateFormatter alloc] init];
|
|
[fmt setDateFormat:@"MM-dd"];
|
|
model.date = [fmt stringFromDate:date];
|
|
|
|
// 价格生成逻辑
|
|
CGFloat volatility = lastClose * 0.02;
|
|
CGFloat randomChange = ((arc4random() % 100) / 100.0 - 0.5) * 2 * volatility;
|
|
|
|
model.open = lastClose + ((arc4random() % 100) / 100.0 - 0.5) * volatility * 0.5;
|
|
model.close = model.open + randomChange;
|
|
|
|
CGFloat maxOC = MAX(model.open, model.close);
|
|
CGFloat minOC = MIN(model.open, model.close);
|
|
|
|
model.high = maxOC + (arc4random() % 100) / 100.0 * 1.0;
|
|
model.low = minOC - (arc4random() % 100) / 100.0 * 1.0;
|
|
|
|
// 成交量生成逻辑
|
|
CGFloat baseVolume = 1000000.0;
|
|
CGFloat randomVolFactor = (arc4random() % 200) / 100.0 + 0.5;
|
|
|
|
if (fabs(model.close - model.open) / model.open > 0.03) {
|
|
randomVolFactor *= 1.5;
|
|
}
|
|
|
|
model.volume = baseVolume * randomVolFactor;
|
|
|
|
if (model.low < 0) model.low = 0.01;
|
|
|
|
[arr addObject:model];
|
|
|
|
lastClose = model.close;
|
|
}
|
|
|
|
NSLog(@"生成模拟数据完毕，共%ld条", arr.count);
|
|
|
|
self.kLineData = arr;
|
|
}
|
|
|
|
@end
|