{"id":3022,"date":"2021-05-27T21:24:17","date_gmt":"2021-05-27T13:24:17","guid":{"rendered":"http:\/\/123.57.164.21\/?p=3022"},"modified":"2021-05-27T21:24:17","modified_gmt":"2021-05-27T13:24:17","slug":"swift-%e7%ac%ac%e4%b8%89%e6%96%b9%e5%9b%be%e8%a1%a8%e5%ba%93charts%e4%bd%bf%e7%94%a8%e8%af%a6%e8%a7%a320%ef%bc%88%e6%b7%b7%e5%90%88%e5%9b%be%e8%a1%a8%ef%bc%9a%e6%8a%98%e7%ba%bf%e5%9b%be%e3%80%81","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=3022","title":{"rendered":"Swift &#8211; \u7b2c\u4e09\u65b9\u56fe\u8868\u5e93Charts\u4f7f\u7528\u8be6\u89e320\uff08\u6df7\u5408\u56fe\u8868\uff1a\u6298\u7ebf\u56fe\u3001\u67f1\u72b6\u56fe\u7b49\u7ec4\u5408\u4f7f\u7528\uff09"},"content":{"rendered":"\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/05\/image-172-1024x711.png\" alt=\"\" class=\"wp-image-3023\" width=\"673\" height=\"467\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-172-1024x711.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-172-300x208.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-172-768x534.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-172-1536x1067.png 1536w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-172-830x577.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-172-230x160.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-172-350x243.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-172-480x333.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-172.png 1592w\" sizes=\"(max-width: 673px) 100vw, 673px\" \/><\/figure><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import UIKit\nimport Charts\n \nclass ViewController: UIViewController {\n     \n    \/\/\u7ec4\u5408\u56fe\n    var chartView: CombinedChartView!\n     \n    override func viewDidLoad() {\n        super.viewDidLoad()\n         \n        \/\/\u521b\u5efa\u7ec4\u5408\u56fe\u7ec4\u4ef6\u5bf9\u8c61\n        chartView = CombinedChartView()\n        chartView.frame = CGRect(x: 20, y: 80, width: self.view.bounds.width - 40,\n                                 height: 260)\n        self.view.addSubview(chartView)\n         \n        \/\/\u5404\u7c7b\u578b\u56fe\u8868\u7684\u663e\u793a\u6b21\u5e8f\uff08\u540e\u9762\u7684\u8986\u76d6\u524d\u9762\u7684\uff09\n        chartView.drawOrder = [DrawOrder.bar.rawValue,\n                               DrawOrder.line.rawValue]\n         \n        \/\/\u7ec4\u5408\u56fe\u6570\u636e\n        let chartData = CombinedChartData()\n        chartData.barData = generateBarData()\n        chartData.lineData = generateLineData()\n         \n        \/\/\u8bbe\u7f6e\u7ec4\u5408\u56fe\u6570\u636e\n        chartView.data = chartData\n    }\n     \n    \/\/\u751f\u6210\u67f1\u72b6\u56fe\u6570\u636e\n    func generateBarData() -> BarChartData {\n        \/\/\u751f\u621010\u6761\u968f\u673a\u6570\u636e\n        var dataEntries = [BarChartDataEntry]()\n        for i in 0..&lt;10 {\n            let y = arc4random()%100\n            let entry = BarChartDataEntry(x: Double(i), y: Double(y))\n            dataEntries.append(entry)\n        }\n        \/\/\u8fd910\u6761\u6570\u636e\u4f5c\u4e3a\u67f1\u72b6\u56fe\u7684\u6240\u6709\u6570\u636e\n        let chartDataSet = BarChartDataSet(values: dataEntries, label: \"\u67f1\u72b6\u56fe\")\n        chartDataSet.colors = [.orange] \/\/\u5168\u90e8\u4f7f\u7528\u6a59\u8272\n        \/\/\u76ee\u524d\u67f1\u72b6\u56fe\u53ea\u5305\u62ec1\u7ec4\u7acb\u67f1\n        let chartData = BarChartData(dataSets: [chartDataSet])\n        return chartData\n    }\n     \n    \/\/\u751f\u6210\u6298\u7ebf\u56fe\u6570\u636e\n    func generateLineData() -> LineChartData {\n        \/\/\u751f\u621010\u6761\u968f\u673a\u6570\u636e\n        var dataEntries = [ChartDataEntry]()\n        for i in 0..&lt;10 {\n            let y = arc4random()%100\n            let entry = ChartDataEntry(x: Double(i), y: Double(y))\n            dataEntries.append(entry)\n        }\n        \/\/\u8fd910\u6761\u6570\u636e\u4f5c\u4e3a\u6298\u7ebf\u56fe\u7684\u6240\u6709\u6570\u636e\n        let chartDataSet = LineChartDataSet(values: dataEntries, label: \"\u6298\u7ebf\u56fe\")\n        chartDataSet.setColor(UIColor(red: 240\/255, green: 238\/255, blue: 70\/255, alpha: 1))\n        chartDataSet.lineWidth = 2.5\n        chartDataSet.setCircleColor(UIColor(red: 240\/255, green: 238\/255, blue: 70\/255,\n                                            alpha: 1))\n        chartDataSet.circleRadius = 5\n        chartDataSet.circleHoleRadius = 2.5\n        chartDataSet.fillColor = UIColor(red: 240\/255, green: 238\/255, blue: 70\/255,\n                                         alpha: 1)\n        \/\/\u76ee\u524d\u67f1\u72b6\u56fe\u53ea\u5305\u62ec1\u7ec4\u6298\u7ebf\n        let chartData = LineChartData(dataSets: [chartDataSet])\n        return chartData\n    }\n}<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2021\/05\/image-173-1024x658.png\" alt=\"\" class=\"wp-image-3024\" width=\"712\" height=\"457\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-173-1024x658.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-173-300x193.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-173-768x494.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-173-830x533.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-173-230x148.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-173-350x225.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-173-480x309.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2021\/05\/image-173.png 1534w\" sizes=\"(max-width: 712px) 100vw, 712px\" \/><\/figure><\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">import UIKit\nimport Charts\n \nclass ViewController: UIViewController {\n     \n    \/\/\u7ec4\u5408\u56fe\n    var chartView: CombinedChartView!\n     \n    override func viewDidLoad() {\n        super.viewDidLoad()\n         \n        \/\/\u521b\u5efa\u7ec4\u5408\u56fe\u7ec4\u4ef6\u5bf9\u8c61\n        chartView = CombinedChartView()\n        chartView.frame = CGRect(x: 20, y: 80, width: self.view.bounds.width - 40,\n                                 height: 260)\n        self.view.addSubview(chartView)\n         \n        \/\/\u5404\u7c7b\u578b\u56fe\u8868\u7684\u663e\u793a\u6b21\u5e8f\uff08\u540e\u9762\u7684\u8986\u76d6\u524d\u9762\u7684\uff09\n        chartView.drawOrder = [DrawOrder.bar.rawValue,\n                               DrawOrder.bubble.rawValue,\n                               DrawOrder.line.rawValue,\n                               DrawOrder.scatter.rawValue,\n                               DrawOrder.candle.rawValue]\n         \n        \/\/\u7ec4\u5408\u56fe\u6570\u636e\n        let chartData = CombinedChartData()\n        chartData.barData = generateBarData()\n        chartData.lineData = generateLineData()\n        chartData.scatterData = generateScatterData()\n        chartData.bubbleData = generateBubbleData()\n        chartData.candleData = generateCandleData()\n         \n        \/\/\u8bbe\u7f6e\u7ec4\u5408\u56fe\u6570\u636e\n        chartView.data = chartData\n    }\n     \n    \/\/\u751f\u6210\u67f1\u72b6\u56fe\u6570\u636e\n    func generateBarData() -> BarChartData {\n        \/\/\u751f\u621010\u6761\u968f\u673a\u6570\u636e\n        var dataEntries = [BarChartDataEntry]()\n        for i in 0..&lt;10 {\n            let y = arc4random()%100\n            let entry = BarChartDataEntry(x: Double(i), y: Double(y))\n            dataEntries.append(entry)\n        }\n        \/\/\u8fd910\u6761\u6570\u636e\u4f5c\u4e3a\u67f1\u72b6\u56fe\u7684\u6240\u6709\u6570\u636e\n        let chartDataSet = BarChartDataSet(values: dataEntries, label: \"\u67f1\u72b6\u56fe\")\n        chartDataSet.colors = [.orange] \/\/\u5168\u90e8\u4f7f\u7528\u6a59\u8272\n        \/\/\u76ee\u524d\u67f1\u72b6\u56fe\u53ea\u5305\u62ec1\u7ec4\u7acb\u67f1\n        let chartData = BarChartData(dataSets: [chartDataSet])\n        return chartData\n    }\n     \n    \/\/\u751f\u6210\u6298\u7ebf\u56fe\u6570\u636e\n    func generateLineData() -> LineChartData {\n        \/\/\u751f\u621010\u6761\u968f\u673a\u6570\u636e\n        var dataEntries = [ChartDataEntry]()\n        for i in 0..&lt;10 {\n            let y = arc4random()%100\n            let entry = ChartDataEntry(x: Double(i), y: Double(y))\n            dataEntries.append(entry)\n        }\n        \/\/\u8fd910\u6761\u6570\u636e\u4f5c\u4e3a\u6298\u7ebf\u56fe\u7684\u6240\u6709\u6570\u636e\n        let chartDataSet = LineChartDataSet(values: dataEntries, label: \"\u6298\u7ebf\u56fe\")\n        chartDataSet.setColor(UIColor(red: 240\/255, green: 238\/255, blue: 70\/255,\n                                      alpha: 1))\n        chartDataSet.lineWidth = 2.5\n        chartDataSet.setCircleColor(UIColor(red: 240\/255, green: 238\/255, blue: 70\/255,\n                                            alpha: 1))\n        chartDataSet.circleRadius = 5\n        chartDataSet.circleHoleRadius = 2.5\n        chartDataSet.fillColor = UIColor(red: 240\/255, green: 238\/255, blue: 70\/255,\n                                         alpha: 1)\n        \/\/\u76ee\u524d\u67f1\u72b6\u56fe\u53ea\u5305\u62ec1\u7ec4\u6298\u7ebf\n        let chartData = LineChartData(dataSets: [chartDataSet])\n        return chartData\n    }\n     \n    \/\/\u751f\u6210\u6563\u70b9\u56fe\u6570\u636e\n    func generateScatterData() -> ScatterChartData {\n        \/\/\u751f\u621010\u6761\u968f\u673a\u6570\u636e\n        let dataEntries = (0..&lt;10).map { (i) -> ChartDataEntry in\n            let val = Double(arc4random_uniform(100) + 150)\n            return ChartDataEntry(x: Double(i), y: val)\n        }\n        let chartDataSet = ScatterChartDataSet(values: dataEntries, label: \"\u6563\u70b9\u56fe\")\n        chartDataSet.colors = [ChartColorTemplates.material()[0]]\n        \/\/\u76ee\u524d\u6563\u70b9\u56fe\u5305\u62ec1\u7ec4\u6570\u636e\n        let chartData = ScatterChartData(dataSets: [chartDataSet])\n        return chartData\n    }\n     \n    \/\/\u751f\u6210\u6c14\u6ce1\u56fe\u6570\u636e\n    func generateBubbleData() -> BubbleChartData {\n        \/\/\u751f\u621010\u6761\u968f\u673a\u6570\u636e\n        let dataEntries = (0..&lt;10).map { (i) -> BubbleChartDataEntry in\n            let val = Double(arc4random_uniform(100) + 300)\n            let size = CGFloat(arc4random_uniform(10))\n            return BubbleChartDataEntry(x: Double(i), y: val, size: size)\n        }\n        let chartDataSet = BubbleChartDataSet(values: dataEntries, label: \"\u6563\u70b9\u56fe\")\n        chartDataSet.colors = [ChartColorTemplates.material()[1]]\n        \/\/\u76ee\u524d\u6c14\u6ce1\u56fe\u5305\u62ec1\u7ec4\u6570\u636e\n        let chartData = BubbleChartData(dataSets: [chartDataSet])\n        return chartData\n    }\n     \n    \/\/\u751f\u6210\u70db\u5f62\u56fe\u6570\u636e\n    func generateCandleData() -> CandleChartData {\n        \/\/\u751f\u621010\u6761\u968f\u673a\u6570\u636e\n        let dataEntries = (0..&lt;10).map { (i) -> CandleChartDataEntry in\n            let val = Double(arc4random_uniform(100) + 10 + 400)\n            let high = Double(arc4random_uniform(20) + 8)\n            let low = Double(arc4random_uniform(20) + 8)\n            let open = Double(arc4random_uniform(20) + 1)\n            let close = Double(arc4random_uniform(20) + 1)\n            let even = arc4random_uniform(2) % 2 == 0 \/\/true\u8868\u793a\u5f00\u76d8\u4ef7\u9ad8\u4e8e\u6536\u76d8\u4ef7\n            return CandleChartDataEntry(x: Double(i),\n                                        shadowH: val + high,\n                                        shadowL: val - low,\n                                        open: even ? val + open : val - open,\n                                        close: even ? val - close : val + close)\n        }\n        let chartDataSet = CandleChartDataSet(values: dataEntries, label: \"\u70db\u5f62\u56fe\")\n        chartDataSet.setColor(ChartColorTemplates.material()[2])\n        \/\/\u76ee\u524d\u70db\u5f62\u56fe\u5305\u62ec1\u7ec4\u6570\u636e\n        let chartData = CandleChartData(dataSets: [chartDataSet])\n        return chartData\n    }\n}\n\n\u539f\u6587\u51fa\u81ea\uff1awww.hangge.com  \u8f6c\u8f7d\u8bf7\u4fdd\u7559\u539f\u6587\u94fe\u63a5\uff1ahttps:\/\/www.hangge.com\/blog\/cache\/detail_2158.html<\/pre>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[6,8],"tags":[],"_links":{"self":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/3022"}],"collection":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=3022"}],"version-history":[{"count":1,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/3022\/revisions"}],"predecessor-version":[{"id":3025,"href":"https:\/\/92it.top\/index.php?rest_route=\/wp\/v2\/posts\/3022\/revisions\/3025"}],"wp:attachment":[{"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=3022"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3022"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/92it.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3022"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}