logicFlow ,画布节点自定义

class CustomRectNode extends RectNode {/*** @description 重写此方法，自定义节点形状。* @returns VNode*/getShape() {const { model } = this.propsconst { x, y, width, height, radius } = modelconst style = model.getNodeStyle()// 矩形形状const rect = h('rect', {...style,x: x - width / 2,y: y - height / 2,width,height,rx: radius,ry: radius,})// 使用 foreignObject 渲染 HTML，以支持 CSS 的文本溢出省略const text = h('foreignObject', {x: x - width / 2,y: y - height / 2,width,height,style: 'overflow: visible; display: flex; justify-content: center; align-items: center;',children: [h('div', {style: {...model.getTextStyle(),width: '100%',height: '100%',display: 'flex','justify-content': 'center','align-items': 'center','white-space': 'nowrap',overflow: 'hidden','text-overflow': 'ellipsis',padding: '0 5px',},title: model.text.value, // hover时显示完整文本
          domProps: {innerHTML: model.text.value,},}),],})return h('g', {}, [rect, text])}
}