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canvas-demo's Introduction

canvas 测试demo

Table

TODO

  • 单元格绘制(自适应宽/用户设定宽) --- 可视数据计算最宽宽度、超出... 容器撑满 √
auto: 宽度根据剩余宽度自适应,如果剩余平均宽度小于当前内容最大宽度，则宽度采用内容宽度
width: 采用固定宽度
unset: 未设置宽度，采用剩余宽度平均分配
  • 滚动加载(外部滚动条、还是绘制滚动条) 使用div遮盖、原生滚动 √
  • 拖拽宽度 col-resize-plugin √
  • 行选中样式、文字复制选择
  • 列排序(单选/多选) col-draw-plugin
  • 大数据量缓存+动态计算、canvas离屏渲染
  • 固定行列
  • c++ rust 编写wasm

Excel

TODO

  • 点击选中(行、列、单元格)、复制 - 缓存cell位置
  • 单元格框选、滚动框选
  • col-resize-plugin

思考

  • 组件内容按需加载、拆分包体积?

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