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update at 2026-02-14 11:29:28

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douboer@gmail.com
2026-02-14 11:29:28 +08:00
parent 5ce79d2638
commit d9e89f080e
1 changed files with 13 additions and 5 deletions
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18
miniapp/pages/index/index.js
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@@ -401,6 +401,8 @@ function buildSankeyLayout(links, width, height, renderOptions) {
const sourceGapCount = Math.max(0, sourceNames.length - 1);
const sourceContentHeight = Math.max(10, height - padding * 2 - sourceGapCount * nodeGap);
const sourceUnitHeight = sourceContentHeight / totalValue;
const sourceTotalNodeHeight = totalValue * sourceUnitHeight;
const sourceSpanHeight = sourceTotalNodeHeight + sourceGapCount * nodeGap;
const sourcePos = {};
let sourceCursorY = padding;
@@ -414,13 +416,19 @@ function buildSankeyLayout(links, width, height, renderOptions) {
const targetTotalValue = targetNames.reduce((sum, name) => sum + targetValueMap[name], 0);
const targetUnitHeight = targetTotalValue > 0 ? sourceUnitHeight : 0;
const targetTotalNodeHeight = targetTotalValue * targetUnitHeight;
const targetBlockHeight = targetTotalNodeHeight + targetGapCount * nodeGap;
const layoutHeight = Math.max(10, height - padding * 2);
let targetGap = nodeGap;
if (targetAlignMode === 'between' && targetNames.length > 1) {
// 与 Web 端一致：两端对齐时，目标列整体高度与 source 列跨度一致。
targetGap = (sourceSpanHeight - targetTotalNodeHeight) / (targetNames.length - 1);
}
targetGap = Math.max(0, targetGap);
const targetBlockHeight = targetTotalNodeHeight + targetGapCount * targetGap;
let targetStartY = padding;
if (targetAlignMode === 'middle') {
targetStartY = padding + Math.max(0, (layoutHeight - targetBlockHeight) / 2);
targetStartY = padding + Math.max(0, (sourceSpanHeight - targetBlockHeight) / 2);
} else if (targetAlignMode === 'bottom') {
targetStartY = padding + Math.max(0, layoutHeight - targetBlockHeight);
targetStartY = padding + Math.max(0, sourceSpanHeight - targetBlockHeight);
} else if (targetAlignMode === 'top') {
targetStartY = padding;
}
@@ -430,7 +438,7 @@ function buildSankeyLayout(links, width, height, renderOptions) {
targetNames.forEach((name) => {
const nodeHeight = Math.max(2, targetValueMap[name] * targetUnitHeight);
targetPos[name] = { y: targetCursorY, h: nodeHeight };
targetCursorY += nodeHeight + nodeGap;
targetCursorY += nodeHeight + targetGap;
});
const sourceOffset = {};