forked from zhongyidian/super_video
305 lines
11 KiB
Vue
305 lines
11 KiB
Vue
<script setup lang="ts">
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import { computed, ref, watch } from 'vue'
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import { getStaticImage } from '@/utils'
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import { Video } from '@/components'
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export interface QuestionOption {
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id: string
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label: string
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}
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export interface Question {
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id: number
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title: string
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description: string
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options: QuestionOption[]
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correctOptionId: string // 单选题的正确答案ID，如果为空字符串，表示引导题，任意选择都可进入下一题
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correctOptionIds?: string[] // 多选题的正确答案ID数组
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isMultiple?: boolean // 是否为多选题，默认为 false
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mediaSrc?: string // 图片路径或视频 URL，通过文件后缀判断类型
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explanation?: string // 错误答案解析（可选）
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}
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interface Props {
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questions: Question[]
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showQuestionNumber?: boolean // 是否显示题号，默认为 true
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}
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const props = withDefaults(defineProps<Props>(), {
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showQuestionNumber: true
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})
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const emit = defineEmits<{
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complete: []
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}>()
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const currentIndex = ref(0)
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const selectedOptionId = ref<string | null>(null) // 单选题选中的选项
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const selectedOptionIds = ref<string[]>([]) // 多选题选中的选项数组
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const showErrorExplanation = ref(false) // 是否显示错误解析
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const total = computed(() => props.questions.length)
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const currentQuestion = computed(() => props.questions[currentIndex.value])
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const hasMedia = computed(() => !!currentQuestion.value?.mediaSrc)
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const isMultiple = computed(() => currentQuestion.value?.isMultiple ?? false)
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const correctOption = computed(() => {
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if (!currentQuestion.value) return null
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return currentQuestion.value.options.find(opt => opt.id === currentQuestion.value.correctOptionId)
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})
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const correctOptions = computed(() => {
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if (!currentQuestion.value || !currentQuestion.value.correctOptionIds) return []
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return currentQuestion.value.options.filter(opt =>
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currentQuestion.value.correctOptionIds?.includes(opt.id)
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)
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})
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// 判断选项数量是否超过4个
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const hasMoreThanFourOptions = computed(() => {
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return currentQuestion.value?.options.length > 4
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})
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// 切换题目时重置选择状态
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watch(currentIndex, () => {
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selectedOptionId.value = null
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selectedOptionIds.value = []
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showErrorExplanation.value = false
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})
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// 通过文件后缀判断媒体类型
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const isVideo = (src: string): boolean => {
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const videoExtensions = ['.mp4', '.mov', '.avi', '.webm', '.mkv', '.flv', '.wmv']
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const lowerSrc = src.toLowerCase()
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return videoExtensions.some(ext => lowerSrc.endsWith(ext))
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}
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const isImage = (src: string): boolean => {
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const imageExtensions = ['.png', '.jpg', '.jpeg', '.gif', '.webp', '.svg', '.bmp']
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const lowerSrc = src.toLowerCase()
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return imageExtensions.some(ext => lowerSrc.endsWith(ext))
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}
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const handleOptionClick = (optionId: string) => {
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if (isMultiple.value) {
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// 多选题：切换选中状态
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const index = selectedOptionIds.value.indexOf(optionId)
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if (index > -1) {
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selectedOptionIds.value.splice(index, 1)
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} else {
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selectedOptionIds.value.push(optionId)
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}
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} else {
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// 单选题：直接选中
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selectedOptionId.value = optionId
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}
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// 选择新选项时隐藏错误解析
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showErrorExplanation.value = false
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}
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// 交互规则：选对进入下一步，选错显示解析；最后一题选对触发 complete 事件
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// 如果 correctOptionId 为空字符串，表示引导题，任意选择都可进入下一题
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const handleSubmit = () => {
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const q = currentQuestion.value
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if (isMultiple.value) {
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// 多选题：必须选择至少一个选项
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if (selectedOptionIds.value.length === 0) return
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// 多选题：必须选择所有正确答案，且不能选择错误答案
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const correctIds = q.correctOptionIds || []
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const selectedSet = new Set(selectedOptionIds.value)
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const correctSet = new Set(correctIds)
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// 检查是否选择了所有正确答案
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const hasAllCorrect = correctIds.every(id => selectedSet.has(id))
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// 检查是否只选择了正确答案（没有选择错误答案）
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const onlyCorrect = selectedOptionIds.value.every(id => correctSet.has(id))
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const isCorrect =
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hasAllCorrect && onlyCorrect && selectedOptionIds.value.length === correctIds.length
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if (!isCorrect) {
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// 答错时显示解析
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showErrorExplanation.value = true
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return
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}
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} else {
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// 单选题
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if (!selectedOptionId.value) return
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const isGuideQuestion = q.correctOptionId === '' // 引导题判断
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const isCorrect = isGuideQuestion || selectedOptionId.value === q.correctOptionId
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if (!isCorrect) {
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// 答错时显示解析
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showErrorExplanation.value = true
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return
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}
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}
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// 答对时重置错误解析状态
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showErrorExplanation.value = false
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if (currentIndex.value < total.value - 1) {
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currentIndex.value += 1
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selectedOptionId.value = null
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selectedOptionIds.value = []
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} else {
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emit('complete')
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}
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}
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</script>
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<template>
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<div class="absolute inset-0 flex items-center justify-center px-20 pointer-events-none z-30">
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<div
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class="bg-black/80 backdrop-blur-lg rounded-3xl border border-white/20 p-16 space-y-10 text-white pointer-events-auto"
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>
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<!-- 顶部：题号 -->
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<div v-if="showQuestionNumber" class="flex items-center justify-between mb-2">
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<div class="text-3xl font-semibold">
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第
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<span class="text-4xl font-extrabold mx-1 text-emerald-300">{{
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currentQuestion.id
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}}</span>
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页
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<span class="text-2xl opacity-70 ml-2">/ 共 {{ total }} 页</span>
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</div>
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</div>
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<!-- 中部：左右布局 -->
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<div
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:class="[
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hasMedia ? 'grid grid-cols-[1.2fr,1.3fr] gap-8 items-stretch' : 'flex justify-center'
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]"
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>
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<!-- 左侧：题干 + 选项 -->
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<div :class="['flex flex-col gap-10', !hasMedia && 'max-w-2xl w-full']">
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<div class="space-y-8">
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<h2 class="text-3xl font-bold leading-relaxed">
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{{ currentQuestion.title }}
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</h2>
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<p class="text-2xl leading-7 opacity-90">
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{{ currentQuestion.description }}
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</p>
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</div>
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<div :class="hasMoreThanFourOptions ? 'grid grid-cols-2 gap-6' : 'space-y-10'">
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<button
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v-for="opt in currentQuestion.options"
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:key="opt.id"
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type="button"
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class="w-full text-left px-5 py-4 rounded-xl border transition-all duration-200 text-2xl leading-6"
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:class="[
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(isMultiple ? selectedOptionIds.includes(opt.id) : selectedOptionId === opt.id)
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? showErrorExplanation &&
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(isMultiple
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? currentQuestion.correctOptionIds?.includes(opt.id)
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: opt.id === currentQuestion.correctOptionId)
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? 'border-emerald-400 bg-emerald-500/30 shadow-lg shadow-emerald-500/30'
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: showErrorExplanation &&
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(isMultiple
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? !currentQuestion.correctOptionIds?.includes(opt.id) &&
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selectedOptionIds.includes(opt.id)
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: opt.id === selectedOptionId &&
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opt.id !== currentQuestion.correctOptionId)
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? 'border-red-400 bg-red-500/20 shadow-lg shadow-red-500/20'
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: 'border-emerald-400 bg-emerald-500/20 shadow-lg shadow-emerald-500/20'
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: showErrorExplanation &&
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(isMultiple
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? currentQuestion.correctOptionIds?.includes(opt.id)
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: opt.id === currentQuestion.correctOptionId)
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? 'border-emerald-400 bg-emerald-500/20 shadow-lg shadow-emerald-500/20'
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: 'border-white/15 bg-white/5 hover:bg-white/10 hover:border-white/25'
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]"
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@click="handleOptionClick(opt.id)"
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>
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<span class="font-semibold mr-2">{{ opt.id.toUpperCase() }}.</span>
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<span>{{ opt.label }}</span>
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<!-- 多选题显示复选框样式 -->
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<span v-if="isMultiple" class="ml-auto text-emerald-400">
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{{ selectedOptionIds.includes(opt.id) ? '✓' : '' }}
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</span>
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</button>
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</div>
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<!-- 错误解析提示 -->
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<Transition name="fade">
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<div
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v-if="showErrorExplanation && currentQuestion.explanation"
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class="mt-4 p-6 rounded-xl bg-amber-500/20 border border-amber-400/30 space-y-3"
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>
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<div class="flex items-start gap-3">
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<span class="text-2xl">💡</span>
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<div class="flex-1 space-y-2">
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<div class="text-xl font-semibold text-amber-300">参考答案</div>
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<div
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v-if="isMultiple && correctOptions.length > 0"
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class="text-lg text-amber-100 leading-relaxed"
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>
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{{
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correctOptions.map(opt => `${opt.id.toUpperCase()}. ${opt.label}`).join('、')
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}}
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</div>
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<div v-else-if="correctOption" class="text-lg text-amber-100 leading-relaxed">
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{{ correctOption.id.toUpperCase() }}. {{ correctOption.label }}
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</div>
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<div class="text-xl font-semibold text-amber-300 mt-4">解析</div>
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<div class="text-lg text-amber-100 leading-relaxed">
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{{ currentQuestion.explanation }}
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</div>
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</div>
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</div>
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</div>
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</Transition>
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<div :class="!hasMedia && 'flex justify-center'">
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<button
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type="button"
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:disabled="isMultiple ? selectedOptionIds.length === 0 : !selectedOptionId"
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class="inline-flex items-center justify-center px-10 py-3 rounded-full bg-emerald-500 hover:bg-emerald-400 active:bg-emerald-600 text-white text-2xl font-bold shadow-lg shadow-emerald-500/40 transition-all duration-200 disabled:opacity-50 disabled:cursor-not-allowed disabled:hover:bg-emerald-500 hover:shadow-xl hover:shadow-emerald-500/50 hover:scale-105 active:scale-100"
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@click="handleSubmit"
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>
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确认选择
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</button>
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</div>
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</div>
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<!-- 右侧：参考图片 / 视频 -->
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<div class="flex flex-col gap-3" v-if="currentQuestion.mediaSrc" :key="currentQuestion.id">
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<!-- <div class="text-2xl font-semibold text-white/80 px-1">题目参考画面</div> -->
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<div
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class="relative rounded-3xl overflow-hidden border border-white/20 bg-black/50 min-h-[500px] shadow-lg"
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>
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<template v-if="isImage(currentQuestion.mediaSrc)">
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<img
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class="w-full h-full object-contain max-h-[500px]"
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:src="getStaticImage(currentQuestion.mediaSrc)"
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alt="题目参考画面"
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/>
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</template>
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<template v-else-if="isVideo(currentQuestion.mediaSrc)">
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<Video
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class="w-full h-full object-cover"
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:src="currentQuestion.mediaSrc"
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:muted="false"
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:volume="1"
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></Video>
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</template>
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</div>
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</div>
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</div>
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</div>
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</div>
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</template>
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<style scoped>
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.fade-enter-active,
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.fade-leave-active {
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transition: opacity 0.3s ease;
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}
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.fade-enter-from,
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.fade-leave-to {
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opacity: 0;
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}
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</style>
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