The height of each row of the Table is determined by its content, and the width of each column is individually controlled by the columnWidths property.
Attributes:
columnWidths: Set the width of each column
defaultColumnWidth: The default width value of each column, which is equally divided by default
textDirection: Text direction
border: table border
defaultVerticalAlignment: The default vertical alignment:
textBaseline: When defaultVerticalAlignment is baseline, this property will be used
top: placed at the top
middle: vertical center
bottom: placed at the bottom
baseline: Text baseline alignment
1. Set the width
columnWidths: {
///固定列宽度
0: FixedColumnWidth(50),
///弹性列宽度
1: FlexColumnWidth(1),
///宽度占所在容器的百分比（0-1）
2: FractionColumnWidth(0.5),
3: IntrinsicColumnWidth(flex: 0.2),
///大于容器10%宽度，但小于等于100px
4: MaxColumnWidth(FixedColumnWidth(100.0), FractionColumnWidth(0.1)),
5: MinColumnWidth(FixedColumnWidth(100.0), FractionColumnWidth(0.1)),
}