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添加了通用问答和历史回答的pdf导出功能，能导出对话，并保存为pdf形式

This commit is contained in:
moon 2025-10-13 18:05:46 +08:00
parent dd1fdd16ec
commit 2d4eeab6a2
5 changed files with 529 additions and 61 deletions
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327
chat-client/package-lock.json generated
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"@types/raf": "^3.4.0",
"core-js": "^3.8.3",
"raf": "^3.4.1",
"regenerator-runtime": "^0.13.7",
"rgbcolor": "^1.0.1",
"stackblur-canvas": "^2.0.0",
"svg-pathdata": "^6.0.3"
}
},
"capital-case": { "capital-case": {
"version": "1.0.4", "version": "1.0.4",
"resolved": "https://registry.npmmirror.com/capital-case/-/capital-case-1.0.4.tgz", "resolved": "https://registry.npmmirror.com/capital-case/-/capital-case-1.0.4.tgz",
@ -33122,6 +33327,14 @@
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"dev": true "dev": true
}, },
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"version": "2.1.0",
"resolved": "https://registry.npmjs.org/css-line-break/-/css-line-break-2.1.0.tgz",
"integrity": "sha512-FHcKFCZcAha3LwfVBhCQbW2nCNbkZXn7KVUJcsT5/P8YmfsVja0FMPJr0B903j/E69HUphKiV9iQArX8SDYA4w==",
"requires": {
"utrie": "^1.0.2"
}
},
"css-loader": { "css-loader": {
"version": "6.11.0", "version": "6.11.0",
"resolved": "https://registry.npmmirror.com/css-loader/-/css-loader-6.11.0.tgz", "resolved": "https://registry.npmmirror.com/css-loader/-/css-loader-6.11.0.tgz",
@ -35305,6 +35518,23 @@
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"dev": true "dev": true
}, },
"fast-png": {
"version": "6.4.0",
"resolved": "https://registry.npmjs.org/fast-png/-/fast-png-6.4.0.tgz",
"integrity": "sha512-kAqZq1TlgBjZcLr5mcN6NP5Rv4V2f22z00c3g8vRrwkcqjerx7BEhPbOnWCPqaHUl2XWQBJQvOT/FQhdMT7X/Q==",
"requires": {
"@types/pako": "^2.0.3",
"iobuffer": "^5.3.2",
"pako": "^2.1.0"
},
"dependencies": {
"pako": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/pako/-/pako-2.1.0.tgz",
"integrity": "sha512-w+eufiZ1WuJYgPXbV/PO3NCMEc3xqylkKHzp8bxp1uW4qaSNQUkwmLLEc3kKsfz8lpV1F8Ht3U1Cm+9Srog2ug=="
}
}
},
"fast-uri": { "fast-uri": {
"version": "3.0.6", "version": "3.0.6",
"resolved": "https://registry.npmmirror.com/fast-uri/-/fast-uri-3.0.6.tgz", "resolved": "https://registry.npmmirror.com/fast-uri/-/fast-uri-3.0.6.tgz",
@ -35363,6 +35593,11 @@
"pend": "~1.2.0" "pend": "~1.2.0"
} }
}, },
"fflate": {
"version": "0.8.2",
"resolved": "https://registry.npmjs.org/fflate/-/fflate-0.8.2.tgz",
"integrity": "sha512-cPJU47OaAoCbg0pBvzsgpTPhmhqI5eJjh/JIu8tPj5q+T7iLvW/JAYUqmE7KOB4R1ZyEhzBaIQpQpardBF5z8A=="
},
"figures": { "figures": {
"version": "3.2.0", "version": "3.2.0",
"resolved": "https://registry.npmmirror.com/figures/-/figures-3.2.0.tgz", "resolved": "https://registry.npmmirror.com/figures/-/figures-3.2.0.tgz",
@ -36545,6 +36780,24 @@
} }
} }
}, },
"html2canvas": {
"version": "1.4.1",
"resolved": "https://registry.npmjs.org/html2canvas/-/html2canvas-1.4.1.tgz",
"integrity": "sha512-fPU6BHNpsyIhr8yyMpTLLxAbkaK8ArIBcmZIRiBLiDhjeqvXolaEmDGmELFuX9I4xDcaKKcJl+TKZLqruBbmWA==",
"requires": {
"css-line-break": "^2.1.0",
"text-segmentation": "^1.0.3"
}
},
"html2pdf.js": {
"version": "0.12.1",
"resolved": "https://registry.npmjs.org/html2pdf.js/-/html2pdf.js-0.12.1.tgz",
"integrity": "sha512-3rBWQ96H5oOU9jtoz3MnE/epGi27ig9h8aonBk4JTpvUERM3lMRxhIRckhJZEi4wE0YfRINoYOIDY0hLY0CHgQ==",
"requires": {
"html2canvas": "^1.0.0",
"jspdf": "^3.0.0"
}
},
"htmlparser2": { "htmlparser2": {
"version": "8.0.2", "version": "8.0.2",
"resolved": "https://registry.npmmirror.com/htmlparser2/-/htmlparser2-8.0.2.tgz", "resolved": "https://registry.npmmirror.com/htmlparser2/-/htmlparser2-8.0.2.tgz",
@ -37106,6 +37359,11 @@
"p-is-promise": "^1.1.0" "p-is-promise": "^1.1.0"
} }
}, },
"iobuffer": {
"version": "5.4.0",
"resolved": "https://registry.npmjs.org/iobuffer/-/iobuffer-5.4.0.tgz",
"integrity": "sha512-DRebOWuqDvxunfkNJAlc3IzWIPD5xVxwUNbHr7xKB8E6aLJxIPfNX3CoMJghcFjpv6RWQsrcJbghtEwSPoJqMA=="
},
"ipaddr.js": { "ipaddr.js": {
"version": "2.2.0", "version": "2.2.0",
"resolved": "https://registry.npmmirror.com/ipaddr.js/-/ipaddr.js-2.2.0.tgz", "resolved": "https://registry.npmmirror.com/ipaddr.js/-/ipaddr.js-2.2.0.tgz",
@ -38517,6 +38775,20 @@
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"dev": true "dev": true
}, },
"jspdf": {
"version": "3.0.3",
"resolved": "https://registry.npmjs.org/jspdf/-/jspdf-3.0.3.tgz",
"integrity": "sha512-eURjAyz5iX1H8BOYAfzvdPfIKK53V7mCpBTe7Kb16PaM8JSXEcUQNBQaiWMI8wY5RvNOPj4GccMjTlfwRBd+oQ==",
"requires": {
"@babel/runtime": "^7.26.9",
"canvg": "^3.0.11",
"core-js": "^3.6.0",
"dompurify": "^3.2.4",
"fast-png": "^6.2.0",
"fflate": "^0.8.1",
"html2canvas": "^1.0.0-rc.5"
}
},
"jszip": { "jszip": {
"version": "3.10.1", "version": "3.10.1",
"resolved": "https://registry.npmjs.org/jszip/-/jszip-3.10.1.tgz", "resolved": "https://registry.npmjs.org/jszip/-/jszip-3.10.1.tgz",
@ -40791,6 +41063,12 @@
"dev": true, "dev": true,
"optional": true "optional": true
}, },
"performance-now": {
"version": "2.1.0",
"resolved": "https://registry.npmjs.org/performance-now/-/performance-now-2.1.0.tgz",
"integrity": "sha512-7EAHlyLHI56VEIdK57uwHdHKIaAGbnXPiw0yWbarQZOKaKpvUIgW0jWRVLiatnM+XXlSwsanIBH/hzGMJulMow==",
"optional": true
},
"picocolors": { "picocolors": {
"version": "1.1.1", "version": "1.1.1",
"resolved": "https://registry.npmmirror.com/picocolors/-/picocolors-1.1.1.tgz", "resolved": "https://registry.npmmirror.com/picocolors/-/picocolors-1.1.1.tgz",
@ -42005,6 +42283,15 @@
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"dev": true "dev": true
}, },
"raf": {
"version": "3.4.1",
"resolved": "https://registry.npmjs.org/raf/-/raf-3.4.1.tgz",
"integrity": "sha512-Sq4CW4QhwOHE8ucn6J34MqtZCeWFP2aQSmrlroYgqAV1PjStIhJXxYuTgUIfkEk7zTLjmIjLmU5q+fbD1NnOJA==",
"optional": true,
"requires": {
"performance-now": "^2.1.0"
}
},
"randombytes": { "randombytes": {
"version": "2.1.0", "version": "2.1.0",
"resolved": "https://registry.npmmirror.com/randombytes/-/randombytes-2.1.0.tgz", "resolved": "https://registry.npmmirror.com/randombytes/-/randombytes-2.1.0.tgz",
@ -42253,6 +42540,12 @@
"regenerate": "^1.4.2" "regenerate": "^1.4.2"
} }
}, },
"regenerator-runtime": {
"version": "0.13.11",
"resolved": "https://registry.npmjs.org/regenerator-runtime/-/regenerator-runtime-0.13.11.tgz",
"integrity": "sha512-kY1AZVr2Ra+t+piVaJ4gxaFaReZVH40AKNo7UCX6W+dEwBo/2oZJzqfuN1qLq1oL45o56cPaTXELwrTh8Fpggg==",
"optional": true
},
"regex-not": { "regex-not": {
"version": "1.0.2", "version": "1.0.2",
"resolved": "https://registry.npmmirror.com/regex-not/-/regex-not-1.0.2.tgz", "resolved": "https://registry.npmmirror.com/regex-not/-/regex-not-1.0.2.tgz",
@ -42554,6 +42847,12 @@
"integrity": "sha512-q1b3N5QkRUWUl7iyylaaj3kOpIT0N2i9MqIEQXP73GVsN9cw3fdx8X63cEmWhJGi2PPCF23Ijp7ktmd39rawIA==", "integrity": "sha512-q1b3N5QkRUWUl7iyylaaj3kOpIT0N2i9MqIEQXP73GVsN9cw3fdx8X63cEmWhJGi2PPCF23Ijp7ktmd39rawIA==",
"dev": true "dev": true
}, },
"rgbcolor": {
"version": "1.0.1",
"resolved": "https://registry.npmjs.org/rgbcolor/-/rgbcolor-1.0.1.tgz",
"integrity": "sha512-9aZLIrhRaD97sgVhtJOW6ckOEh6/GnvQtdVNfdZ6s67+3/XwLS9lBcQYzEEhYVeUowN7pRzMLsyGhK2i/xvWbw==",
"optional": true
},
"rimraf": { "rimraf": {
"version": "3.0.2", "version": "3.0.2",
"resolved": "https://registry.npmmirror.com/rimraf/-/rimraf-3.0.2.tgz", "resolved": "https://registry.npmmirror.com/rimraf/-/rimraf-3.0.2.tgz",
@ -43553,6 +43852,12 @@
} }
} }
}, },
"stackblur-canvas": {
"version": "2.7.0",
"resolved": "https://registry.npmjs.org/stackblur-canvas/-/stackblur-canvas-2.7.0.tgz",
"integrity": "sha512-yf7OENo23AGJhBriGx0QivY5JP6Y1HbrrDI6WLt6C5auYZXlQrheoY8hD4ibekFKz1HOfE48Ww8kMWMnJD/zcQ==",
"optional": true
},
"stackframe": { "stackframe": {
"version": "1.3.4", "version": "1.3.4",
"resolved": "https://registry.npmmirror.com/stackframe/-/stackframe-1.3.4.tgz", "resolved": "https://registry.npmmirror.com/stackframe/-/stackframe-1.3.4.tgz",
@ -44373,6 +44678,12 @@
} }
} }
}, },
"svg-pathdata": {
"version": "6.0.3",
"resolved": "https://registry.npmjs.org/svg-pathdata/-/svg-pathdata-6.0.3.tgz",
"integrity": "sha512-qsjeeq5YjBZ5eMdFuUa4ZosMLxgr5RZ+F+Y1OrDhuOCEInRMA3x74XdBtggJcj9kOeInz0WE+LgCPDkZFlBYJw==",
"optional": true
},
"svg-sprite-loader": { "svg-sprite-loader": {
"version": "6.0.11", "version": "6.0.11",
"resolved": "https://registry.npmmirror.com/svg-sprite-loader/-/svg-sprite-loader-6.0.11.tgz", "resolved": "https://registry.npmmirror.com/svg-sprite-loader/-/svg-sprite-loader-6.0.11.tgz",
@ -44713,6 +45024,14 @@
"minimatch": "^3.0.4" "minimatch": "^3.0.4"
} }
}, },
"text-segmentation": {
"version": "1.0.3",
"resolved": "https://registry.npmjs.org/text-segmentation/-/text-segmentation-1.0.3.tgz",
"integrity": "sha512-iOiPUo/BGnZ6+54OsWxZidGCsdU8YbE4PSpdPinp7DeMtUJNJBoJ/ouUSTJjHkh1KntHaltHl/gDs2FC4i5+Nw==",
"requires": {
"utrie": "^1.0.2"
}
},
"text-table": { "text-table": {
"version": "0.2.0", "version": "0.2.0",
"resolved": "https://registry.npmmirror.com/text-table/-/text-table-0.2.0.tgz", "resolved": "https://registry.npmmirror.com/text-table/-/text-table-0.2.0.tgz",
@ -45672,6 +45991,14 @@
"integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==", "integrity": "sha512-pMZTvIkT1d+TFGvDOqodOclx0QWkkgi6Tdoa8gC8ffGAAqz9pzPTZWAybbsHHoED/ztMtkv/VoYTYyShUn81hA==",
"dev": true "dev": true
}, },
"utrie": {
"version": "1.0.2",
"resolved": "https://registry.npmjs.org/utrie/-/utrie-1.0.2.tgz",
"integrity": "sha512-1MLa5ouZiOmQzUbjbu9VmjLzn1QLXBhwpUa7kdLUQK+KQ5KA9I1vk5U4YHe/X2Ch7PYnJfWuWT+VbuxbGwljhw==",
"requires": {
"base64-arraybuffer": "^1.0.2"
}
},
"uuid": { "uuid": {
"version": "3.4.0", "version": "3.4.0",
"resolved": "https://registry.npmmirror.com/uuid/-/uuid-3.4.0.tgz", "resolved": "https://registry.npmmirror.com/uuid/-/uuid-3.4.0.tgz",

1
chat-client/package.json
View File

@ -45,6 +45,7 @@
"element-plus": "^2.3.8", "element-plus": "^2.3.8",
"file-saver": "^2.0.5", "file-saver": "^2.0.5",
"highlight.js": "^11.11.1", "highlight.js": "^11.11.1",
"html2pdf.js": "^0.12.1",
"image-conversion": "^2.1.1", "image-conversion": "^2.1.1",
"js-cookie": "^3.0.5", "js-cookie": "^3.0.5",
"js-message": "^2.1.0", "js-message": "^2.1.0",

68
chat-client/src/utils/exportPdf.ts Normal file
View File

@ -0,0 +1,68 @@
// src/utils/exportPdf.ts
import html2pdf from 'html2pdf.js'
import { nextTick } from 'vue'
/**
* html2pdf 配置类型定义
*/
export type Html2PdfOptions = {
margin?: number
filename?: string
image?: { type?: 'jpeg' | 'png'; quality?: number }
html2canvas?: { scale?: number; scrollY?: number; useCORS?: boolean; windowWidth?: number }
jsPDF?: {
unit?: string
format?: 'a3' | 'a4' | 'a5' | 'letter' | 'legal' | [number, number]
orientation?: 'portrait' | 'landscape'
}
}
/**
* 导出指定 DOM 元素为 PDF（支持完整滚动内容）
* @param element 要导出的 DOM 元素
* @param fileName 导出文件名（默认：export.pdf）
*/
export async function exportElementToPdf(
element: HTMLElement,
fileName = 'export.pdf'
): Promise<void> {
if (!element) {
console.error('❌ exportElementToPdf: 未传入有效的 DOM 元素')
return
}
// 等待 DOM 渲染完成
await nextTick()
await new Promise(resolve => setTimeout(resolve, 50))
// 获取元素尺寸
const elementWidth = element.scrollWidth
const elementHeight = element.scrollHeight
// html2pdf 配置
const opt: Html2PdfOptions = {
margin: 10, // 页面边距，单位 px
filename: fileName,
image: { type: 'jpeg', quality: 0.98 },
html2canvas: {
scale: 2,
scrollY: -window.scrollY,
useCORS: true,
windowWidth: elementWidth,
},
jsPDF: {
unit: 'pt', // 使用 pt 单位更适合像素换算
format: [elementWidth, elementHeight],
orientation: 'portrait',
},
}
console.log('📄 正在导出 PDF...')
try {
await html2pdf().set(opt).from(element).save()
console.log(`✅ PDF 导出成功：${fileName}`)
} catch (err) {
console.error('❌ PDF 导出失败:', err)
}
}

5
chat-client/src/views/chatweb/components/ChatBox.vue
View File

@ -530,6 +530,11 @@ const handleRecommendQuestionClick = (question: string) => {
const getAssistantAvatar = () => { const getAssistantAvatar = () => {
return props.assistantAvatar || new URL('@/assets/assistant.png', import.meta.url).href return props.assistantAvatar || new URL('@/assets/assistant.png', import.meta.url).href
} }
const messagesQuantity = computed(() => messages.value.length)
defineExpose({
messagesContainer,
messagesQuantity
})
</script> </script>
<style scoped lang="scss"> <style scoped lang="scss">

69
chat-client/src/views/chatweb/historicalRecords/components/details.vue
View File

@ -6,11 +6,12 @@
<div class="conversation-meta"> <div class="conversation-meta">
<span class="message-count"> {{ $t('vabI18n.HistoryRecords.HistoryDetails.count') }} {{ messages.length }} {{ $t('vabI18n.HistoryRecords.HistoryDetails.messageCount') }}</span> <span class="message-count"> {{ $t('vabI18n.HistoryRecords.HistoryDetails.count') }} {{ messages.length }} {{ $t('vabI18n.HistoryRecords.HistoryDetails.messageCount') }}</span>
<el-button class="export-btn" type="primary" size="small" icon="Download" @click="handleExportMarkdown">{{ $t('vabI18n.HistoryRecords.HistoryDetails.exportMarkdown') }}</el-button> <el-button class="export-btn" type="primary" size="small" icon="Download" @click="handleExportMarkdown">{{ $t('vabI18n.HistoryRecords.HistoryDetails.exportMarkdown') }}</el-button>
<el-button class="export-btn" type="primary" size="small" icon="Download" @click="handleExportPdf">导出为pdf</el-button>
</div> </div>
</div> </div>
<!-- 时间线对话 --> <!-- 时间线对话 -->
<div class="timeline-container"> <div class="timeline-container" ref="timelineContainer">
<div v-for="(message, index) in messages" :key="message.messageId" class="timeline-item"> <div v-for="(message, index) in messages" :key="message.messageId" class="timeline-item">
<!-- 时间标签 --> <!-- 时间标签 -->
<div class="timeline-time"> <div class="timeline-time">
@ -67,6 +68,8 @@
import { marked } from 'marked' import { marked } from 'marked'
import { convertEchartsMarkdown } from '@/api/echart' import { convertEchartsMarkdown } from '@/api/echart'
import { useI18n } from 'vue-i18n' import { useI18n } from 'vue-i18n'
import html2pdf from 'html2pdf.js'
export default defineComponent({ export default defineComponent({
name: 'HistoryDetails', name: 'HistoryDetails',
props: { props: {
@ -147,6 +150,67 @@
state.showThinking[index] = !state.showThinking[index] state.showThinking[index] = !state.showThinking[index]
} }
// DOM元素引用
const timelineContainer = ref<HTMLElement | null>(null)
// 声明 html2pdf 选项类型
type Html2PdfOptions = {
margin?: number
filename?: string
image?: { type?: 'jpeg' | 'png'; quality?: number }
html2canvas?: { scale?: number; scrollY?: number; windowWidth?: number }
jsPDF?: {
unit?: string;
format?: 'a3' | 'a4' | 'a5' | 'letter' | 'legal' | [number, number];
orientation?: 'portrait' | 'landscape'
}
}
const handleExportPdf = async () => {
if (!timelineContainer.value) return
// 保存原始样式
const originalMaxHeight = timelineContainer.value.style.maxHeight
const originalOverflow = timelineContainer.value.style.overflow
// 展开所有内容
timelineContainer.value.style.maxHeight = 'none'
timelineContainer.value.style.overflow = 'visible'
Object.keys(state.showThinking).forEach(k => state.showThinking[k] = true)
await nextTick()
await new Promise(resolve => setTimeout(resolve, 50)) // 等待渲染
const elementHeight = timelineContainer.value.scrollHeight
const elementWidth = timelineContainer.value.scrollWidth
const opt : Html2PdfOptions = {
margin: 0.3,
filename: `${props.conversationName}.pdf`,
image: { type: 'jpeg', quality: 0.98 },
html2canvas: { scale: 2, scrollY: -window.scrollY, windowWidth: elementWidth },
jsPDF: {
unit: 'in',
format: [elementWidth / 90, elementHeight / 90] as [number, number],
orientation: 'portrait'
}
}
try {
await html2pdf().set(opt).from(timelineContainer.value).save()
} catch (err) {
console.error('PDF 导出失败:', err)
} finally {
// 恢复原样式
timelineContainer.value.style.maxHeight = originalMaxHeight
timelineContainer.value.style.overflow = originalOverflow
}
}
//导出为markdown格式 //导出为markdown格式
const handleExportMarkdown = async () => { const handleExportMarkdown = async () => {
// 原始 markdown 内容 // 原始 markdown 内容
@ -182,6 +246,7 @@
return { return {
...toRefs(state), ...toRefs(state),
timelineContainer,
t, t,
locale, locale,
conversationName: computed(() => props.conversationName), conversationName: computed(() => props.conversationName),
@ -191,6 +256,7 @@
formatAnswer, formatAnswer,
toggleThinking, toggleThinking,
handleExportMarkdown, handleExportMarkdown,
handleExportPdf,
} }
}, },
}) })
@ -218,6 +284,7 @@
link.click() link.click()
setTimeout(() => URL.revokeObjectURL(link.href), 10000) setTimeout(() => URL.revokeObjectURL(link.href), 10000)
} }
</script> </script>
<style scoped> <style scoped>