WIP components (as built)
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# 199 PerformanceChart
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## 用途
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收益曲线。
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## 最小示例
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```go
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values := []float64{100, 110, 95, 120}
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benchmark := []float64{100, 105, 108, 112}
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times := []time.Time{time.Date(2026, 1, 1, 0, 0, 0, 0, time.UTC), time.Date(2026, 2, 1, 0, 0, 0, 0, time.UTC), time.Date(2026, 3, 1, 0, 0, 0, 0, time.UTC), time.Date(2026, 4, 1, 0, 0, 0, 0, time.UTC)}
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view := func(c *ui.Context) {
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mujica.Use(c, mujica.Settings{})
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r := mujica.PerformanceChart(c, values, mujica.PerformanceChartOptions{Frame: mujica.ChartFrame{Label: "Performance"}, Times: times, Benchmark: benchmark})
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if r.Changed() || r.Retried() {
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fmt.Println(r.Point)
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}
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if name, ok := r.Toggled(); ok {
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fmt.Println(name)
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}
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}
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ui.Render(view, 960, 440, 1)
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```
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## 参数
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`Version` 在原地修改净值或基准时递增。
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`values` 为正净值;`Times` 必填且递增;`Benchmark` nil 隐藏或与净值等长。`Frame.Label` 必填;`Name/BenchmarkName` 默认本地化名称。
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## 状态
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默认与数据边界;图表的 Frame 支持加载、空、失败占位。
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## 事件
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if r.Changed() || r.Retried() { 调用方回调(r.Point) }; if name, ok := r.Toggled(); ok { 调用方回调(name) }
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## 键盘操作
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Tab 聚焦图和图例;方向键读数;Space 切换序列。
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## 限制
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净值先归一化为累计收益;最大回撤取峰值到谷值;日期与报价由调用方提供。
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