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单元格装饰

您可以使用装饰对象将 SpreadJS 中的装饰应用到单元格或单元格区域。这些对象可以包含折角或图标等设置。

设置折角

SpreadJS 支持在单元格的角上设置折角样式。CornerFold 功能在突出显示单元格状态时很有用，例如，当您想要显示单元格的无效状态时。

IDecoration 接口提供了 cornerFold 选项，它允许您设置折角的大小、位置和颜色。cornerFold 选项继承自 ICornerFold 接口，它提供大小、位置和颜色等参数。

下面的快照描绘了左上角位置的单元格 B6 和 B8 上的橙色折角样式。

cornerfold-styling.png


cornerFold 选项的默认值如下：

大小

位置

颜色

6

GC.Spread.Sheets.CornerPosition.leftTop

#FF3D00

以下代码实现显示了如何使用ICornerFold接口和setStyle方法设置折角样式。

var style = new GC.Spread.Sheets.Style();
style.decoration = {
    cornerFold: {
        size: 10,
        position: GC.Spread.Sheets.CornerPosition.leftTop,
        color: "orange"
    }
}
sheet.setStyle(5, 1, style);

设置图标

SpreadJS 支持使用GC.Spread.Sheets.Style类中的 icons 属性对单元格进行图标装饰，这些单元格可以嵌入电子表格中的单元格内部或外部。

包含文本或值的单元格类型可以用图标装饰，但复选框和组合框等单元格类型不支持图标属性。 

风格图标装饰


SpreadJS 为图标装饰提供了多种选择，例如 src、宽度、高度和位置。要指定图标的位置，您可以使用下面列出的 IconPosition 枚举值：

枚举名称

描述 

左边 

在单元格的左侧 

右边 

在单元格的右侧 

文本左侧 

在文本的左侧， 

如果没有文字，则隐藏图标 

文字右侧 

在文本的右侧， 

如果没有文字，则隐藏图标 

外侧左 

在单元格的外侧， 

如果单元格被隐藏，则图标隐藏 

外侧右 

在单元格的右外侧， 

如果单元格被隐藏，则图标隐藏 

以下代码示例使用图标为单元格设置样式：

//left side in the cell
style = new GC.Spread.Sheets.Style();
style.decoration = {
    icons: [
         {
           src: 'data:image/svg+xml;base64,PHN2ZyB3aWR0aD0iMTIiIGhlaWdodD0iMTIiIHZpZXdCb3g9IjAgMCAxMiAxMiIgZmlsbD0ibm9uZSIgeG1sbnM9Imh0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnIj4KPHJlY3Qgd2lkdGg9IjEyIiBoZWlnaHQ9IjEyIiBmaWxsPSJ0cmFuc3BhcmVudCIvPgo8cGF0aCBmaWxsLXJ1bGU9ImV2ZW5vZGQiIGNsaXAtcnVsZT0iZXZlbm9kZCIgZD0iTTcgOUg1TDUgNS45NjA0NmUtMDhIN0w3IDlaTTYgMTBDNi41NTIyOCAxMCA3IDEwLjQ0NzcgNyAxMUM3IDExLjU1MjMgNi41NTIyOCAxMiA2IDEyQzUuNDQ3NzIgMTIgNSAxMS41NTIzIDUgMTFDNSAxMC40NDc3IDUuNDQ3NzIgMTAgNiAxMFoiIGZpbGw9IiNFNjUyNDkiLz4KPC9zdmc+Cg==',
            position: GC.Spread.Sheets.IconPosition.left
          }
       ]
   };
 setIcon(1, 1, style);

 笔记：

  • leftOfText 和 rightOfText 位置值仅适用于文本单元格。

  • 当前视图之外的图标只会影响相邻的列。

  • 当装饰支持多个图标时，图标会被并排绘制，而不管它们的位置。

  • 单元格对齐影响图标垂直对齐。

  • 带有样式装饰图标的单元格不能溢出。

使用设计器 

要使用 SpreadJS Designer 向单元格添加图标，请按照以下步骤操作：

  1. 选择单元格。

  2. 右键单击该单元格，然后从上下文菜单中选择格式化单元格...选项。这将调用电子表格上的“设置单元格格式”对话框。导航到Decoration选项卡并设置其属性。

图标格式单元格


添加/更新图标选项 

  1. 单击“添加”按钮以添加新图标选项或选择src 、位置、宽度或高度以更新图标。

    图标添加


  2. 单击“选择图标”选项以浏览图标的位置。

    图标添加源


  3. 您可以使用位置组合框（可选）指定位置。

    图标位置


  4. 您还可以使用宽度和高度微调按钮调整图标的宽度和高度

    图标宽度高度


删除图标选项 

  1. 选择要删除的选项。

    图标删除


  2. 单击删除按钮以删除所选选项。