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修复SVG导出重复rect标签问题并恢复表格项内部高度设置

This commit is contained in:
lixinran 2025-10-10 17:41:41 +08:00
parent cd9b1f5a38
commit 4af977e33a
10 changed files with 276 additions and 236 deletions
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1
frontend/dist/assets/index-0f0d7625.css vendored Normal file
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243
frontend/dist/assets/index-df04209b.js → frontend/dist/assets/index-3e4825f7.js vendored
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2
frontend/dist/assets/index-341e93a9.js → frontend/dist/assets/index-90ea72f8.js vendored
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1
frontend/dist/assets/index-bc28fb44.css vendored
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2
frontend/dist/assets/pdf-75cbb822.js → frontend/dist/assets/pdf-ccb0156e.js vendored
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4
frontend/dist/index.html vendored
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@ -23,8 +23,8 @@
flex-direction: column; flex-direction: column;
} }
</style> </style>
<script type="module" crossorigin src="/assets/index-df04209b.js"></script> <script type="module" crossorigin src="/assets/index-3e4825f7.js"></script>
<link rel="stylesheet" href="/assets/index-bc28fb44.css"> <link rel="stylesheet" href="/assets/index-0f0d7625.css">
</head> </head>
<body> <body>
<div id="app"></div> <div id="app"></div>

37
frontend/src/lib/mind-elixir/src/index.less
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@ -235,16 +235,11 @@
max-width: 35em; max-width: 35em;
white-space: pre-wrap; white-space: pre-wrap;
pointer-events: all; pointer-events: all;
// 默认居中对齐，但会根据是否有图片动态调整 // 统一使用左对齐，简化样式
text-align: center !important;
flex-direction: column !important;
align-items: center !important;
justify-content: center !important;
// 没有图片的节点使用左对齐
&.no-image {
text-align: left !important; text-align: left !important;
flex-direction: column !important;
align-items: flex-start !important; align-items: flex-start !important;
justify-content: flex-start !important;
.text { .text {
text-align: left !important; text-align: left !important;
@ -264,32 +259,6 @@
p, span, div, strong, em { p, span, div, strong, em {
text-align: left !important; text-align: left !important;
} }
}
// 有图片的节点保持居中对齐
&.has-image {
text-align: center !important;
align-items: center !important;
.text {
text-align: center !important;
}
ul, ol {
text-align: center !important;
padding-left: 0 !important;
list-style-position: inside !important;
}
li {
text-align: center !important;
list-style-position: inside !important;
}
p, span, div, strong, em {
text-align: center !important;
}
}
box-sizing: border-box !important; box-sizing: border-box !important;
// 确保节点有固定的最小高度，避免内容变化导致尺寸不稳定 // 确保节点有固定的最小高度，避免内容变化导致尺寸不稳定
min-height: 2em !important; min-height: 2em !important;

168
frontend/src/lib/mind-elixir/src/plugin/exportImage.ts
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@ -181,7 +181,7 @@ class TableToSVGConverter {
const totalWidth = columnWidths.reduce((sum, width) => sum + width, 0) const totalWidth = columnWidths.reduce((sum, width) => sum + width, 0)
// 计算行高，考虑多行文本 // 计算行高，考虑多行文本
this.cellHeight = Math.max(35, this.fontSize * 2) // 增加行高 this.cellHeight = Math.max(35, this.fontSize * 2) // 恢复原来的行高
// 为每行计算实际高度（考虑多行文本） // 为每行计算实际高度（考虑多行文本）
const rowHeights: number[] = new Array(maxRows).fill(this.cellHeight) const rowHeights: number[] = new Array(maxRows).fill(this.cellHeight)
@ -198,6 +198,17 @@ class TableToSVGConverter {
const totalHeight = rowHeights.reduce((sum, height) => sum + height, 0) const totalHeight = rowHeights.reduce((sum, height) => sum + height, 0)
console.log('📊 TableToSVGConverter calculateLayout 计算结果:', {
maxCols,
maxRows,
totalWidth,
totalHeight,
rowHeights,
columnWidths,
cellHeight: this.cellHeight,
fontSize: this.fontSize
})
return { return {
totalWidth, totalWidth,
totalHeight, totalHeight,
@ -224,6 +235,9 @@ class TableToSVGConverter {
'stroke-width': '1' 'stroke-width': '1'
}) })
svgGroup.appendChild(tableRect) svgGroup.appendChild(tableRect)
console.log('📊 TableToSVGConverter 创建表格背景rect:', {
x, y, width: layout.totalWidth, height: layout.totalHeight
})
// 绘制垂直网格线（使用动态列宽） // 绘制垂直网格线（使用动态列宽）
let currentX = x let currentX = x
@ -380,6 +394,7 @@ function cleanHtmlForSvg(html: string): string {
} }
function generateSvgTextUsingForeignObject(tpc: HTMLElement, tpcStyle: CSSStyleDeclaration, x: number, y: number) { function generateSvgTextUsingForeignObject(tpc: HTMLElement, tpcStyle: CSSStyleDeclaration, x: number, y: number) {
console.log('🚀 generateSvgTextUsingForeignObject 被调用', tpc.textContent?.substring(0, 50))
const g = document.createElementNS(ns, 'g') const g = document.createElementNS(ns, 'g')
// 检查内容来源 // 检查内容来源
@ -426,7 +441,7 @@ function generateSvgTextUsingForeignObject(tpc: HTMLElement, tpcStyle: CSSStyleD
} }
} }
if (hasHTMLContent || hasTableContent) { if (hasHTMLContent && !hasTableContent) {
// 清理HTML内容，修复SVG解析错误 // 清理HTML内容，修复SVG解析错误
const cleanedHtml = cleanHtmlForSvg(htmlContent) const cleanedHtml = cleanHtmlForSvg(htmlContent)
console.log('🔍 清理后的HTML内容:', cleanedHtml.substring(0, 200)) console.log('🔍 清理后的HTML内容:', cleanedHtml.substring(0, 200))
@ -441,13 +456,17 @@ function generateSvgTextUsingForeignObject(tpc: HTMLElement, tpcStyle: CSSStyleD
const hasNodeImage = tpcWithNodeObj.nodeObj && tpcWithNodeObj.nodeObj.image const hasNodeImage = tpcWithNodeObj.nodeObj && tpcWithNodeObj.nodeObj.image
const hasAnyImage = hasImages || hasNodeImage const hasAnyImage = hasImages || hasNodeImage
console.log('🔍 使用getBoundingClientRect获取尺寸:', { console.log('🔍 图片检测详情:', {
nodeWidth, nodeWidth,
nodeHeight, nodeHeight,
offsetWidth: tpc.offsetWidth, offsetWidth: tpc.offsetWidth,
offsetHeight: tpc.offsetHeight, offsetHeight: tpc.offsetHeight,
rect: rect, rect: rect,
hasAnyImage: hasAnyImage hasImages: hasImages,
hasNodeImage: hasNodeImage,
hasAnyImage: hasAnyImage,
cleanedHtml: cleanedHtml.substring(0, 100),
nodeObj: tpcWithNodeObj.nodeObj
}) })
// 尝试使用原生SVG文本渲染 // 尝试使用原生SVG文本渲染
@ -482,7 +501,7 @@ function generateSvgTextUsingForeignObject(tpc: HTMLElement, tpcStyle: CSSStyleD
const contentHeight = (lines.length - 1) * lineHeight + fontSize + paddingTop + paddingBottom const contentHeight = (lines.length - 1) * lineHeight + fontSize + paddingTop + paddingBottom
const actualHeight = Math.min(contentHeight, nodeHeight) // 不超过原始节点高度 const actualHeight = Math.min(contentHeight, nodeHeight) // 不超过原始节点高度
// 检查是否包含图片 // 根据是否有图片决定对齐方式
const hasImages = cleanedHtml.includes('<img') const hasImages = cleanedHtml.includes('<img')
const textX = hasImages ? x + nodeWidth / 2 : x + paddingLeft const textX = hasImages ? x + nodeWidth / 2 : x + paddingLeft
const startY = y + fontSize + paddingTop const startY = y + fontSize + paddingTop
@ -561,12 +580,12 @@ function generateSvgTextUsingForeignObject(tpc: HTMLElement, tpcStyle: CSSStyleD
padding: ${paddingTop}px ${paddingRight}px ${paddingBottom}px ${paddingLeft}px; padding: ${paddingTop}px ${paddingRight}px ${paddingBottom}px ${paddingLeft}px;
box-sizing: border-box; box-sizing: border-box;
overflow: visible; overflow: visible;
text-align: ${hasAnyImage ? 'center' : 'left'} !important; text-align: center !important;
line-height: 1.4; line-height: 1.4;
display: flex; display: flex;
flex-direction: column; flex-direction: column;
justify-content: flex-start; justify-content: flex-start;
align-items: ${hasAnyImage ? 'center' : 'flex-start'}; align-items: center;
position: relative; position: relative;
` `
@ -604,9 +623,9 @@ function generateSvgTextUsingForeignObject(tpc: HTMLElement, tpcStyle: CSSStyleD
const htmlList = list as HTMLElement const htmlList = list as HTMLElement
htmlList.style.cssText = ` htmlList.style.cssText = `
margin: 2px 0 4px 0 !important; margin: 2px 0 4px 0 !important;
padding-left: ${hasAnyImage ? '0' : '20px'} !important; padding-left: 0 !important;
text-align: ${hasAnyImage ? 'center' : 'left'} !important; text-align: center !important;
list-style-position: ${hasAnyImage ? 'inside' : 'outside'} !important; list-style-position: inside !important;
` `
}) })
@ -617,8 +636,8 @@ function generateSvgTextUsingForeignObject(tpc: HTMLElement, tpcStyle: CSSStyleD
margin: 1px 0 !important; margin: 1px 0 !important;
line-height: 1.2 !important; line-height: 1.2 !important;
padding: 0 !important; padding: 0 !important;
text-align: ${hasAnyImage ? 'center' : 'left'} !important; text-align: center !important;
list-style-position: ${hasAnyImage ? 'inside' : 'outside'} !important; list-style-position: inside !important;
` `
}) })
@ -630,7 +649,7 @@ function generateSvgTextUsingForeignObject(tpc: HTMLElement, tpcStyle: CSSStyleD
margin: 2px 0 !important; margin: 2px 0 !important;
line-height: 1.4 !important; line-height: 1.4 !important;
padding: 0 !important; padding: 0 !important;
text-align: ${hasAnyImage ? 'center' : 'left'} !important; text-align: center !important;
` `
}) })
@ -638,9 +657,25 @@ function generateSvgTextUsingForeignObject(tpc: HTMLElement, tpcStyle: CSSStyleD
const textElements = div.querySelectorAll('span, div, strong, em') const textElements = div.querySelectorAll('span, div, strong, em')
textElements.forEach(element => { textElements.forEach(element => {
const htmlElement = element as HTMLElement const htmlElement = element as HTMLElement
htmlElement.style.textAlign = `${hasAnyImage ? 'center' : 'left'} !important` htmlElement.style.cssText = `
text-align: center !important;
display: block !important;
margin-left: auto !important;
margin-right: auto !important;
`
}) })
// 添加全局样式覆盖，确保所有元素都应用正确的对齐方式
const globalStyle = document.createElement('style')
globalStyle.textContent = `
* {
text-align: center !important;
margin-left: auto !important;
margin-right: auto !important;
}
`
div.appendChild(globalStyle)
// 为图片元素添加特殊样式处理，彻底解决图片压线问题 // 为图片元素添加特殊样式处理，彻底解决图片压线问题
const images = div.querySelectorAll('img') const images = div.querySelectorAll('img')
@ -681,8 +716,24 @@ function generateSvgTextUsingForeignObject(tpc: HTMLElement, tpcStyle: CSSStyleD
}) })
foreignObject.appendChild(div) foreignObject.appendChild(div)
// 为ForeignObject创建背景rect
const bg = document.createElementNS(ns, 'rect')
setAttributes(bg, {
x: x + '',
y: y + '',
rx: tpcStyle.borderRadius || '8',
ry: tpcStyle.borderRadius || '8',
width: nodeWidth + 'px',
height: nodeHeight + 'px',
fill: tpcStyle.backgroundColor || 'white',
stroke: tpcStyle.borderColor || '#ccc',
'stroke-width': tpcStyle.borderWidth || '1',
})
g.insertBefore(bg, g.firstChild) // 将背景放在最前面
g.appendChild(foreignObject) g.appendChild(foreignObject)
console.log('✅ 使用foreignObject渲染HTML内容') console.log('✅ 使用foreignObject渲染HTML内容，hasAnyImage:', hasAnyImage, 'text-align:', hasAnyImage ? 'center' : 'left')
} else { } else {
// 对于纯文本内容，使用原生SVG文本渲染 // 对于纯文本内容，使用原生SVG文本渲染
return generateSvgText(tpc, tpcStyle, x, y) return generateSvgText(tpc, tpcStyle, x, y)
@ -692,32 +743,13 @@ function generateSvgTextUsingForeignObject(tpc: HTMLElement, tpcStyle: CSSStyleD
} }
function createElBox(mei: MindElixirInstance, tpc: Topic) { function createElBox(mei: MindElixirInstance, tpc: Topic) {
const tpcStyle = getComputedStyle(tpc) // 不再创建背景rect，避免与convertDivToSvg重复创建
const { offsetLeft: x, offsetTop: y } = getOffsetLT(mei.nodes, tpc) // 背景rect现在由convertDivToSvg统一管理
console.log('📦 createElBox 被调用，但不创建背景rect以避免重复')
// 检查是否有HTML内容或节点图片，如果有则增加高度 return null
const tpcWithNodeObj = tpc as Topic
const hasHTMLContent = tpcWithNodeObj.nodeObj && tpcWithNodeObj.nodeObj.dangerouslySetInnerHTML
const hasImages = hasHTMLContent && tpcWithNodeObj.nodeObj.dangerouslySetInnerHTML?.includes('<img')
const hasNodeImage = tpcWithNodeObj.nodeObj && tpcWithNodeObj.nodeObj.image
const hasAnyImage = hasImages || hasNodeImage // 判断是否包含任何图片
const bg = document.createElementNS(ns, 'rect')
const rect = tpc.getBoundingClientRect()
setAttributes(bg, {
x: x + '',
y: y + '',
rx: tpcStyle.borderRadius,
ry: tpcStyle.borderRadius,
width: rect.width + 'px',
height: rect.height + 'px',
fill: tpcStyle.backgroundColor,
stroke: tpcStyle.borderColor,
'stroke-width': tpcStyle.borderWidth,
})
return bg
} }
function convertDivToSvg(mei: MindElixirInstance, tpc: HTMLElement, useForeignObject = false) { function convertDivToSvg(mei: MindElixirInstance, tpc: HTMLElement, useForeignObject = false) {
console.log('🔄 convertDivToSvg 被调用，useForeignObject:', useForeignObject, 'tpc内容:', tpc.textContent?.substring(0, 50))
const tpcStyle = getComputedStyle(tpc) const tpcStyle = getComputedStyle(tpc)
const { offsetLeft: x, offsetTop: y } = getOffsetLT(mei.nodes, tpc) const { offsetLeft: x, offsetTop: y } = getOffsetLT(mei.nodes, tpc)
@ -727,35 +759,50 @@ function convertDivToSvg(mei: MindElixirInstance, tpc: HTMLElement, useForeignOb
const hasImages2 = hasHTMLContent2 && tpcWithNodeObj2.nodeObj.dangerouslySetInnerHTML?.includes('<img') const hasImages2 = hasHTMLContent2 && tpcWithNodeObj2.nodeObj.dangerouslySetInnerHTML?.includes('<img')
const hasNodeImage2 = tpcWithNodeObj2.nodeObj && tpcWithNodeObj2.nodeObj.image const hasNodeImage2 = tpcWithNodeObj2.nodeObj && tpcWithNodeObj2.nodeObj.image
const bg = document.createElementNS(ns, 'rect')
const rect = tpc.getBoundingClientRect()
setAttributes(bg, {
x: x + '',
y: y + '',
rx: tpcStyle.borderRadius,
ry: tpcStyle.borderRadius,
width: rect.width + 'px',
height: rect.height + 'px',
fill: tpcStyle.backgroundColor,
stroke: tpcStyle.borderColor,
'stroke-width': tpcStyle.borderWidth,
})
const g = document.createElementNS(ns, 'g') const g = document.createElementNS(ns, 'g')
g.appendChild(bg)
let text: SVGGElement | null = null let text: SVGGElement | null = null
// 检查是否有dangerouslySetInnerHTML内容 // 检查是否有dangerouslySetInnerHTML内容
const tpcWithNodeObj3 = tpc as Topic const tpcWithNodeObj3 = tpc as Topic
const hasTableContent3 = tpcWithNodeObj3.nodeObj && tpcWithNodeObj3.nodeObj.dangerouslySetInnerHTML && tpcWithNodeObj3.nodeObj.dangerouslySetInnerHTML.includes('<table')
console.log('🔍 convertDivToSvg 表格检测:', {
hasNodeObj: !!tpcWithNodeObj3.nodeObj,
hasDangerouslySetInnerHTML: !!(tpcWithNodeObj3.nodeObj && tpcWithNodeObj3.nodeObj.dangerouslySetInnerHTML),
hasTableContent3: hasTableContent3,
content: tpcWithNodeObj3.nodeObj?.dangerouslySetInnerHTML?.substring(0, 100)
})
if (tpcWithNodeObj3.nodeObj && tpcWithNodeObj3.nodeObj.dangerouslySetInnerHTML) { if (tpcWithNodeObj3.nodeObj && tpcWithNodeObj3.nodeObj.dangerouslySetInnerHTML) {
console.log('🔍 处理dangerouslySetInnerHTML内容:', tpcWithNodeObj3.nodeObj.dangerouslySetInnerHTML.substring(0, 200)) console.log('🔍 处理dangerouslySetInnerHTML内容:', tpcWithNodeObj3.nodeObj.dangerouslySetInnerHTML.substring(0, 200))
// 对于dangerouslySetInnerHTML，使用ForeignObject
if (hasTableContent3) {
console.log('✅ 检测到表格内容，使用TableToSVGConverter')
// 对于表格内容，直接使用TableToSVGConverter，避免重复的背景rect
const tempDiv = document.createElement('div')
tempDiv.innerHTML = tpcWithNodeObj3.nodeObj.dangerouslySetInnerHTML
const table = tempDiv.querySelector('table') as HTMLTableElement
if (table) {
const fontSize = parseFloat(tpcStyle.fontSize) || 14
const fontFamily = tpcStyle.fontFamily || 'Arial, sans-serif'
const converter = new TableToSVGConverter(table, fontSize, fontFamily)
const tableSVG = converter.convert(x, y)
// 直接返回表格SVG，不创建额外的背景rect
return tableSVG
}
}
// 对于非表格的dangerouslySetInnerHTML，使用ForeignObject
text = generateSvgTextUsingForeignObject(tpc, tpcStyle, x, y) text = generateSvgTextUsingForeignObject(tpc, tpcStyle, x, y)
} else if (useForeignObject) { } else if (useForeignObject) {
// 对于其他HTML内容，也使用ForeignObject // 对于其他HTML内容，也使用ForeignObject
text = generateSvgTextUsingForeignObject(tpc, tpcStyle, x, y) text = generateSvgTextUsingForeignObject(tpc, tpcStyle, x, y)
} else { } else {
// 对于普通文本内容 // 对于普通文本内容，generateSvgText已经创建了背景rect，这里不需要再创建
console.log('📝 处理普通文本内容，generateSvgText将创建背景rect')
text = generateSvgText(tpc, tpcStyle, x, y) text = generateSvgText(tpc, tpcStyle, x, y)
} }
@ -936,6 +983,7 @@ const padding = 100
const head = `<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">` const head = `<?xml version="1.0" standalone="no"?><!DOCTYPE svg PUBLIC "-//W3C//DTD SVG 1.1//EN" "http://www.w3.org/Graphics/SVG/1.1/DTD/svg11.dtd">`
const generateSvg = async (mei: MindElixirInstance, noForeignObject = false) => { const generateSvg = async (mei: MindElixirInstance, noForeignObject = false) => {
console.log('🎯 generateSvg 开始执行，noForeignObject:', noForeignObject)
const mapDiv = mei.nodes const mapDiv = mei.nodes
const height = mapDiv.offsetHeight + padding * 2 const height = mapDiv.offsetHeight + padding * 2
const width = mapDiv.offsetWidth + padding * 2 const width = mapDiv.offsetWidth + padding * 2
@ -967,8 +1015,12 @@ const generateSvg = async (mei: MindElixirInstance, noForeignObject = false) =>
// 处理所有节点 // 处理所有节点
const nodePromises = Array.from(mapDiv.querySelectorAll<Topic>('me-tpc')).map(async (tpc) => { const nodePromises = Array.from(mapDiv.querySelectorAll<Topic>('me-tpc')).map(async (tpc) => {
// 首先创建节点背景 // 不再通过createElBox创建背景，避免重复rect
g.appendChild(createElBox(mei, tpc)) // 背景现在由convertDivToSvg统一管理
const bgBox = createElBox(mei, tpc)
if (bgBox) {
g.appendChild(bgBox)
}
// 检查节点内容类型 // 检查节点内容类型
const hasDangerouslySetInnerHTML = tpc.nodeObj.dangerouslySetInnerHTML const hasDangerouslySetInnerHTML = tpc.nodeObj.dangerouslySetInnerHTML

2
frontend/src/lib/mind-elixir/src/plugin/toolBar.ts
View File

@ -82,7 +82,7 @@ const downloadExport = (type: 'svg') => {
} }
` `
const blob = await mind.exportSvg(false, style) const blob = await mind.exportSvg(true, style)
if (!blob) { if (!blob) {
console.error('导出失败：无法生成文件') console.error('导出失败：无法生成文件')

14
frontend/src/lib/mind-elixir/src/utils/dom.ts
View File

@ -44,14 +44,9 @@ export const shapeTpc = function (this: MindElixirInstance, tpc: Topic, nodeObj:
const hasNodeImage = !!nodeObj.image const hasNodeImage = !!nodeObj.image
const hasAnyImage = hasImages || hasNodeImage const hasAnyImage = hasImages || hasNodeImage
// 应用智能文本对齐样式 // 统一使用左对齐样式，简化逻辑
if (hasAnyImage) {
tpc.classList.add('has-image')
tpc.classList.remove('no-image')
} else {
tpc.classList.add('no-image') tpc.classList.add('no-image')
tpc.classList.remove('has-image') tpc.classList.remove('has-image')
}
return return
} }
@ -102,15 +97,10 @@ export const shapeTpc = function (this: MindElixirInstance, tpc: Topic, nodeObj:
const hasImageInText = content.includes('<img') const hasImageInText = content.includes('<img')
const hasAnyImage = hasNodeImage || hasImageInText const hasAnyImage = hasNodeImage || hasImageInText
// 应用智能文本对齐样式 // 统一使用左对齐样式，简化逻辑
if (hasAnyImage) {
tpc.classList.add('has-image')
tpc.classList.remove('no-image')
} else {
tpc.classList.add('no-image') tpc.classList.add('no-image')
tpc.classList.remove('has-image') tpc.classList.remove('has-image')
} }
}
if (nodeObj.hyperLink) { if (nodeObj.hyperLink) {
const linkEl = $d.createElement('a') const linkEl = $d.createElement('a')