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在所有SwiftUI版本(1.0-4.0)中原生实现Charts图表视图之思路
2022-07-04 07:15:00 【大熊猫侯佩】

功能需求
有时候单调的数字列表无法很好地表示数值间的差异,我们希望用更富表现力的图表来显示它们。
而直到SwiftUI 4.0,Apple才为我们引入Charts原生框架用来绘制图表。
那么,如何在低版本的SwiftUI中原生实现图表视图呢?

如上所示,我们在 SwiftUI 1.0 中未借助任何第三方库,原生实现了一个柱状图,同时兼顾了海量数据下的显示性能。
在本篇博文中,您将学到以下内容:
- SwiftUI 4.0 中如何绘制图表?
- SwiftUI 2.0和3.0 中如何绘制图表?
- SwiftUI 1.0 中如何绘制图表?
请小伙伴们赶快系紧安全带,本次旅行将精彩纷呈。
Let’s start sailing!
功能分析
0. 前言
众所周知,图表有多种显示样式:柱状图、饼图、线图等。
本篇博文旨在介绍一种通杀SwiftUI各个版本图表的实现思路。为了简洁,后续代码皆以柱状图为例。
大家完全可以举一反三。
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