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https://github.com/WillkYang/YYKline
iOS YYKline：Kline、Chart、Volume、Scroll、Scale、MACD、KDJ、K线图、分时图...
https://github.com/WillkYang/YYKline
boll ema kdj kline ma macd rsi stock wr
Last synced: 13 days ago
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iOS YYKline：Kline、Chart、Volume、Scroll、Scale、MACD、KDJ、K线图、分时图...
- Host: GitHub
- URL: https://github.com/WillkYang/YYKline
- Owner: WillkYang
- License: mit
- Created: 2016-05-12T14:13:06.000Z (over 8 years ago)
- Default Branch: master
- Last Pushed: 2021-12-10T06:22:46.000Z (almost 3 years ago)
- Last Synced: 2024-11-05T03:51:36.214Z (15 days ago)
- Topics: boll, ema, kdj, kline, ma, macd, rsi, stock, wr
- Language: Objective-C
- Homepage:
- Size: 3.32 MB
- Stars: 2,435
- Watchers: 86
- Forks: 545
- Open Issues: 8
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
## YYKline
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## 介绍
- [x] 支持MA、EMA、BOLL、KDJ、MACD、RSI、WR等技术指标，支持更多指标扩展
- [x] 支持运行于iOS、MacOS上
- [x] OC开发，如需Swift可直接翻译
## 图表示例
| 普通K线+MACD | 分时图+MACD
|------------|------------
|  |
| 普通K线+KDJ | 分时图
|  |
| 更多指标 | 综合演示
|  |
## 集成方法
1. 下载Demo项目，将Y_Kline文件夹拖入需要的工程中
2. 参考Demo，将YYKlineView添加到需要展示的view即可，其他部分(如指标)可参考Demo中Y_StockChartView进行配置。
### 自定义指标
1. 实现YYPainterProtocol，可参考Painter文件夹下的其他已有指标。
```objc
@protocol YYPainterProtocol
// 绘制
+ (void)drawToLayer:(CALayer *)layer area:(CGRect)area models:(NSArray *)models minMax: (YYMinMaxModel *)minMaxModel;
// 获取边界值
+ (YYMinMaxModel *)getMinMaxValue:(NSArray *)data;
@end
```
2. 以绘制KDJ图为例，新建YYKDJPainter，实现YYPainterProtocol
```objc
+ (YYMinMaxModel *)getMinMaxValue:(NSArray *)data {
if(!data) {
return [YYMinMaxModel new];
}
__block CGFloat minAssert = 999999999999.f;
__block CGFloat maxAssert = 0.f;
[data enumerateObjectsUsingBlock:^(YYKlineModel * _Nonnull m, NSUInteger idx, BOOL * _Nonnull stop) {
maxAssert = MAX(maxAssert, MAX(m.KDJ.J.floatValue, MAX(m.KDJ.K.floatValue, m.KDJ.D.floatValue)));
minAssert = MIN(minAssert, MIN(m.KDJ.J.floatValue, MIN(m.KDJ.K.floatValue, m.KDJ.D.floatValue)));
}];
return [YYMinMaxModel modelWithMin:minAssert max:maxAssert];
}
+ (void)drawToLayer:(CALayer *)layer area:(CGRect)area models:(NSArray *)models minMax: (YYMinMaxModel *)minMaxModel {
if(!models) {
return;
}
CGFloat maxH = CGRectGetHeight(area);
CGFloat unitValue = maxH/minMaxModel.distance;
YYKDJPainter *sublayer = [[YYKDJPainter alloc] init];
sublayer.frame = area;
UIBezierPath *path1 = [UIBezierPath bezierPath];
UIBezierPath *path2 = [UIBezierPath bezierPath];
UIBezierPath *path3 = [UIBezierPath bezierPath];
[models enumerateObjectsUsingBlock:^(YYKlineModel * _Nonnull m, NSUInteger idx, BOOL * _Nonnull stop) {
CGFloat w = [Y_StockChartGlobalVariable kLineWidth];
CGFloat x = idx * (w + [Y_StockChartGlobalVariable kLineGap]);
CGPoint point1 = CGPointMake(x+w/2, maxH - (m.KDJ.K.floatValue - minMaxModel.min)*unitValue);
CGPoint point2 = CGPointMake(x+w/2, maxH - (m.KDJ.D.floatValue - minMaxModel.min)*unitValue);
CGPoint point3 = CGPointMake(x+w/2, maxH - (m.KDJ.J.floatValue - minMaxModel.min)*unitValue);
if (idx == 0) {
[path1 moveToPoint:point1];
[path2 moveToPoint:point2];
[path3 moveToPoint:point3];
} else {
[path1 addLineToPoint:point1];
[path2 addLineToPoint:point2];
[path3 addLineToPoint:point3];
}
}];
{
CAShapeLayer *l = [CAShapeLayer layer];
l.path = path1.CGPath;
l.lineWidth = Y_StockChartLineWidth;
l.strokeColor = UIColor.line1Color.CGColor;
l.fillColor = [UIColor clearColor].CGColor;
[sublayer addSublayer:l];
}
{
CAShapeLayer *l = [CAShapeLayer layer];
l.path = path2.CGPath;
l.lineWidth = Y_StockChartLineWidth;
l.strokeColor = UIColor.line2Color.CGColor;
l.fillColor = [UIColor clearColor].CGColor;
[sublayer addSublayer:l];
}
{
CAShapeLayer *l = [CAShapeLayer layer];
l.path = path3.CGPath;
l.lineWidth = Y_StockChartLineWidth;
l.strokeColor = UIColor.line3Color.CGColor;
l.fillColor = [UIColor clearColor].CGColor;
[sublayer addSublayer:l];
}
[layer addSublayer:sublayer];
}
```
3. 实现对应的Model，参考YYIndicatorModel，计算指标数据
4. 在Y_StockChartView.m中加上该Painter对应的case
```objc
- (void)y_StockChartSegmentView:(Y_StockChartSegmentView *)segmentView clickSegmentButtonIndex:(NSInteger)index {
...
case YYKlineIncicatorKDJ:
self.kLineView.indicator2Painter = YYKDJPainter.class;
break;
...
}
```
5. 运行查看效果
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感谢[@牛眼行情](https://niuyan.com)的K线数据源。