<template>
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<div>
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<!-- 上部分段设置部分 -->
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<div class="mb-20px">
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<div class="mb-20px flex justify-between items-center">
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<div class="text-16px font-bold flex items-center">
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分段设置
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<el-tooltip
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content="系统会自动将文档内容分割成多个段落，您可以根据需要调整分段方式和内容。"
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placement="top"
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>
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<Icon icon="ep:warning" class="ml-5px text-gray-400" />
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</el-tooltip>
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</div>
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<div>
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<el-button type="primary" plain size="small" @click="handleAutoSegment">
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预览分段
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</el-button>
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</div>
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</div>
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<div class="segment-settings mb-20px">
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<el-form label-width="120px">
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<el-form-item label="最大 Token 数">
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<el-input-number v-model="modelData.segmentMaxTokens" :min="1" :max="2048" />
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</el-form-item>
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</el-form>
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</div>
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</div>
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<!-- 下部文件预览部分 -->
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<div class="mb-10px">
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<div class="text-16px font-bold mb-10px">分段预览</div>
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<!-- 文件选择器 -->
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<div class="file-selector mb-10px">
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<el-dropdown v-if="modelData.list && modelData.list.length > 0" trigger="click">
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<div class="flex items-center cursor-pointer">
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<Icon icon="ep:document" class="text-danger mr-5px" />
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<span>{{ currentFile?.name || '请选择文件' }}</span>
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<span v-if="currentFile?.segments" class="ml-5px text-gray-500 text-12px">
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({{ currentFile.segments.length }}个分片)
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</span>
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<Icon icon="ep:arrow-down" class="ml-5px" />
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</div>
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<template #dropdown>
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<el-dropdown-menu>
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<el-dropdown-item
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v-for="(file, index) in modelData.list"
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:key="index"
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@click="selectFile(index)"
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>
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{{ file.name }}
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<span v-if="file.segments" class="ml-5px text-gray-500 text-12px">
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({{ file.segments.length }}个分片)
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</span>
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</el-dropdown-item>
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</el-dropdown-menu>
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</template>
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</el-dropdown>
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<div v-else class="text-gray-400">暂无上传文件</div>
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</div>
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<!-- 文件内容预览 -->
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<div class="file-preview bg-gray-50 p-15px rounded-md max-h-600px overflow-y-auto">
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<div v-if="splitLoading" class="flex justify-center items-center py-20px">
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<Icon icon="ep:loading" class="is-loading" />
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<span class="ml-10px">正在加载分段内容...</span>
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</div>
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<template
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v-else-if="currentFile && currentFile.segments && currentFile.segments.length > 0"
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>
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<div v-for="(segment, index) in currentFile.segments" :key="index" class="mb-10px">
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<div class="text-gray-500 text-12px mb-5px">
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分片-{{ index + 1 }} · {{ segment.contentLength || 0 }} 字符数 ·
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{{ segment.tokens || 0 }} Token
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</div>
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<div class="bg-white p-10px rounded-md">{{ segment.content }}</div>
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</div>
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</template>
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<el-empty v-else description="暂无预览内容" />
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</div>
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</div>
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<!-- 添加底部按钮 -->
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<div class="mt-20px flex justify-between">
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<div>
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<el-button v-if="!modelData.id" @click="handlePrevStep">上一步</el-button>
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</div>
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<div>
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<el-button type="primary" :loading="submitLoading" @click="handleSave">
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保存并处理
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</el-button>
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</div>
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</div>
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</div>
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</template>
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<script lang="ts" setup>
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import { computed, getCurrentInstance, inject, onMounted, PropType, ref } from 'vue'
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import { Icon } from '@/components/Icon'
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import { KnowledgeSegmentApi } from '@/api/ai/knowledge/segment'
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import { useMessage } from '@/hooks/web/useMessage'
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import { KnowledgeDocumentApi } from '@/api/ai/knowledge/document'
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const props = defineProps({
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modelValue: {
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type: Object as PropType<any>,
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required: true
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}
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})
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const emit = defineEmits(['update:modelValue'])
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const message = useMessage() // 消息提示
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const parent = inject('parent', null) // 获取父组件实例
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const modelData = computed({
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get: () => props.modelValue,
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set: (val) => emit('update:modelValue', val)
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}) // 表单数据
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const splitLoading = ref(false) // 分段加载状态
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const currentFile = ref<any>(null) // 当前选中的文件
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const submitLoading = ref(false) // 提交按钮加载状态
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/** 选择文件 */
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const selectFile = async (index: number) => {
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currentFile.value = modelData.value.list[index]
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await splitContent(currentFile.value)
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}
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/** 获取文件分段内容 */
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const splitContent = async (file: any) => {
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if (!file || !file.url) {
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message.warning('文件 URL 不存在')
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return
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}
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splitLoading.value = true
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try {
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// 调用后端分段接口，获取文档的分段内容、字符数和 Token 数
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file.segments = await KnowledgeSegmentApi.splitContent(
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file.url,
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modelData.value.segmentMaxTokens
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)
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} catch (error) {
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console.error('获取分段内容失败:', file, error)
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} finally {
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splitLoading.value = false
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}
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}
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/** 处理预览分段 */
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const handleAutoSegment = async () => {
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// 如果没有选中文件，默认选中第一个
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if (!currentFile.value && modelData.value.list && modelData.value.list.length > 0) {
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currentFile.value = modelData.value.list[0]
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}
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// 如果没有选中文件，提示请先选择文件
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if (!currentFile.value) {
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message.warning('请先选择文件')
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return
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}
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// 获取分段内容
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await splitContent(currentFile.value)
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}
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/** 上一步按钮处理 */
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const handlePrevStep = () => {
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const parentEl = parent || getCurrentInstance()?.parent
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if (parentEl && typeof parentEl.exposed?.goToPrevStep === 'function') {
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parentEl.exposed.goToPrevStep()
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}
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}
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/** 保存操作 */
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const handleSave = async () => {
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// 保存前验证
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if (!currentFile?.value?.segments || currentFile.value.segments.length === 0) {
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message.warning('请先预览分段内容')
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return
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}
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// 设置按钮加载状态
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submitLoading.value = true
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try {
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if (modelData.value.id) {
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// 修改场景
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await KnowledgeDocumentApi.updateKnowledgeDocument({
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id: modelData.value.id,
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segmentMaxTokens: modelData.value.segmentMaxTokens
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})
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} else {
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// 新增场景
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const data = await KnowledgeDocumentApi.createKnowledgeDocumentList({
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knowledgeId: modelData.value.knowledgeId,
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segmentMaxTokens: modelData.value.segmentMaxTokens,
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list: modelData.value.list.map((item: any) => ({
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name: item.name,
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url: item.url
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}))
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})
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modelData.value.list.forEach((document: any, index: number) => {
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document.id = data[index]
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})
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}
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// 进入下一步
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const parentEl = parent || getCurrentInstance()?.parent
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if (parentEl && typeof parentEl.exposed?.goToNextStep === 'function') {
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parentEl.exposed.goToNextStep()
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}
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} catch (error: any) {
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console.error('保存失败:', modelData.value, error)
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} finally {
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// 关闭按钮加载状态
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submitLoading.value = false
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}
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}
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/** 初始化 */
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onMounted(async () => {
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// 确保 segmentMaxTokens 存在
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if (!modelData.value.segmentMaxTokens) {
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modelData.value.segmentMaxTokens = 500
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}
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// 如果没有选中文件，默认选中第一个
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if (!currentFile.value && modelData.value.list && modelData.value.list.length > 0) {
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currentFile.value = modelData.value.list[0]
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}
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// 如果有选中的文件，获取分段内容
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if (currentFile.value) {
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await splitContent(currentFile.value)
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}
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})
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</script>
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