docs: update documents
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README.md
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README.md
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@ -79,4 +79,17 @@ func main() {
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- `series.itemStyle.color` 该数据项展示时使用的颜色
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- `series.data` 数据项对应的数据数组,支持以下形式的数据:
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- `数值` 常用形式,数组数据为浮点数组,如[1.1, 2,3, 5.2]
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- `结构体` pie图表或bar图表中指定样式使用,如[{"value": 1048, "name": "Search Engine"},{"value": 735,"name": "Direct"}]
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- `结构体` pie图表或bar图表中指定样式使用,如[{"value": 1048, "name": "Search Engine"},{"value": 735,"name": "Direct"}]
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## 性能
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简单的图表生成PNG在20ms左右,而SVG的性能则更快,足已满足大量图表的生成需求。
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```bash
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goos: darwin
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goarch: amd64
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pkg: github.com/vicanso/go-charts
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cpu: Intel(R) Core(TM) i5-8257U CPU @ 1.40GHz
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BenchmarkEChartsRenderPNG-8 60 17765045 ns/op 2492854 B/op 1007 allocs/op
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BenchmarkEChartsRenderSVG-8 282 4303042 ns/op 32622688 B/op 2983 allocs/op
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```
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