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<template>
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<main class="ai-gen-page">
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<!-- ===== 顶部工具条（扁平，与教师端筛选条同风格）===== -->
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<section class="ai-gen-toolbar">
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<el-button text :icon="ArrowLeft" @click="goBack">返回题库</el-button>
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<h2 class="ai-gen-title">AI 智能出题</h2>
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<span class="ai-gen-sub">按要求生成，勾选后加入题库</span>
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<div class="ai-gen-spacer" />
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<el-button v-if="aiLoading" type="danger" :icon="VideoPause" @click="stopAiStream">停止生成</el-button>
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<el-button v-else type="primary" :icon="MagicStick" @click="generateAi">生成试题</el-button>
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<!-- 加入题库为 ghost 次级：白底 + 灰边 + 深字（skill 规范：主按钮唯一，次级一律幽灵化）-->
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<el-button :icon="Plus" :disabled="!aiSelected.size || aiImporting" :loading="aiImporting" @click="importAiQuestions">加入题库{{ aiSelected.size ? `（${aiSelected.size}）` : "" }}</el-button>
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</section>
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<!-- ===== 主体：左表单 + 右识别区 ===== -->
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<section class="ai-gen-main">
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<!-- 左侧：生成要求表单（白卡，左栏） -->
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<aside class="ai-gen-form-card">
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<el-form label-position="top" class="ai-gen-form">
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<el-form-item label="题目标题">
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<el-input v-model="aiForm.title" placeholder="请输入题目标题（如：网络营销基础测试）" maxlength="20" show-word-limit />
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</el-form-item>
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<el-form-item label="生成要求描述">
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<el-input v-model="aiForm.description" type="textarea" :rows="7" placeholder="请描述试题主题、考察知识点、难度侧重等要求" />
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</el-form-item>
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<el-form-item label="题型设置">
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<div class="ai-gen-type-grid">
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<div class="ai-gen-type-cell">
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<span class="ai-gen-type-name">单选题</span>
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<el-input-number v-model="aiForm.single" :min="0" :max="20" size="small" controls-position="right" />
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</div>
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<div class="ai-gen-type-cell">
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<span class="ai-gen-type-name">多选题</span>
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<el-input-number v-model="aiForm.multiple" :min="0" :max="20" size="small" controls-position="right" />
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</div>
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<div class="ai-gen-type-cell">
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<span class="ai-gen-type-name">判断题</span>
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<el-input-number v-model="aiForm.judgment" :min="0" :max="20" size="small" controls-position="right" />
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</div>
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<div class="ai-gen-type-cell">
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<span class="ai-gen-type-name">简答题</span>
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<el-input-number v-model="aiForm.shortAnswer" :min="0" :max="20" size="small" controls-position="right" />
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</div>
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</div>
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<div class="ai-gen-type-tip">每类最多 20 道</div>
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</el-form-item>
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<el-form-item label="试题难度">
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<el-radio-group v-model="aiForm.difficulty">
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<el-radio label="简单">简单</el-radio>
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<el-radio label="一般">一般</el-radio>
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<el-radio label="困难">困难</el-radio>
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</el-radio-group>
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</el-form-item>
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</el-form>
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</aside>
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<!-- 右侧：识别区结果（白卡，右栏） -->
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<section class="ai-gen-preview-card">
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<div class="ai-gen-preview-head">
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<span class="ai-gen-preview-title">识别区</span>
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<span class="ai-gen-count" v-if="aiQuestions.length">已识别 {{ aiQuestions.length }} 题</span>
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<div class="ai-gen-preview-actions" v-if="aiQuestions.length">
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<el-button size="small" :icon="Check" @click="toggleAllAi">全选</el-button>
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<el-button size="small" :icon="Delete" @click="clearAi">清空</el-button>
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</div>
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</div>
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<div v-loading="aiLoading" class="ai-gen-preview-body">
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<div v-if="aiLoading && !aiRawResult" class="ai-thinking">
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<span class="ai-thinking-text">AI 正在思考</span>
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<span class="ai-dot" /><span class="ai-dot" /><span class="ai-dot" />
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</div>
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<pre v-else-if="aiLoading && aiRawResult" class="ai-raw-stream">{{ aiRawResult }}</pre>
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<div v-else-if="aiQuestions.length" class="ai-question-list">
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<div v-for="(q, i) in aiQuestions" :key="i" class="ai-question-card" :class="{ 'is-selected': aiSelected.has(i) }" @click="toggleAiQuestion(i)">
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<div class="ai-question-head">
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<el-checkbox :model-value="aiSelected.has(i)" />
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<span class="ai-question-type">{{ aiTypeName(q.type) }}</span>
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</div>
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<div class="ai-question-stem">{{ q.question }}</div>
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<div v-if="q.items && q.items.length" class="ai-question-options">
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<div v-for="(opt, idx) in q.items" :key="idx" class="ai-question-option">{{ optionLabel(idx) }}. {{ opt }}</div>
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</div>
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<div class="ai-question-meta"><span class="ai-meta-label">答案：</span><span class="ai-meta-value">{{ q.type === 'true_false' ? (q.answers === 'A' ? '正确' : '错误') : q.answers }}</span></div>
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<div v-if="q.difficulty" class="ai-question-meta"><span class="ai-meta-label">难度：</span><span class="ai-meta-value">{{ q.difficulty }}</span></div>
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<div v-if="q.knowledges" class="ai-question-meta"><span class="ai-meta-label">知识点：</span><span class="ai-meta-value">{{ q.knowledges }}</span></div>
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<div v-if="q.explan" class="ai-question-meta"><span class="ai-meta-label">解析：</span><span class="ai-meta-value">{{ q.explan }}</span></div>
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</div>
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</div>
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<el-empty v-else description="尚未生成试题，请在左侧填写要求后点击「生成试题」" :image-size="80" />
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</div>
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</section>
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</section>
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</main>
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</template>
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<script setup>
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import { reactive, ref } from "vue";
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import { useRouter } from "vue-router";
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import { ElMessage } from "element-plus";
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import { ArrowLeft, Check, Delete, MagicStick, Plus, VideoPause } from "@element-plus/icons-vue";
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import * as examApi from "@/api/exam";
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const router = useRouter();
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const aiLoading = ref(false);
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const aiImporting = ref(false);
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const aiRawResult = ref("");
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const aiQuestions = ref([]);
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const aiSelected = reactive(new Set());
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let aiAbort = null;
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const aiForm = reactive({ title: "", description: "", single: 0, multiple: 0, judgment: 0, shortAnswer: 0, difficulty: "简单" });
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const aiTypeName = (t) => ({ single_choice: "单选题", multiple_choice: "多选题", true_false: "判断题", short_answer: "简答题" }[t] || "问答题");
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const optionLabel = (i) => String.fromCharCode(65 + i);
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function goBack() { stopAiStream(); router.push("/exam/index"); }
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function clearAi() { aiQuestions.value = []; aiSelected.clear(); }
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function toggleAiQuestion(i) { if (aiSelected.has(i)) aiSelected.delete(i); else aiSelected.add(i); }
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function toggleAllAi() {
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if (aiSelected.size === aiQuestions.value.length) aiSelected.clear();
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else { aiSelected.clear(); aiQuestions.value.forEach((_, i) => aiSelected.add(i)); }
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}
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function stopAiStream() { if (aiAbort) { aiAbort.abort(); aiAbort = null; } aiLoading.value = false; }
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function buildAiPrompt() {
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const types = [];
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if (aiForm.single > 0) types.push(`${aiForm.single}道单选题`);
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if (aiForm.multiple > 0) types.push(`${aiForm.multiple}道多选题`);
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if (aiForm.judgment > 0) types.push(`${aiForm.judgment}道判断题`);
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if (aiForm.shortAnswer > 0) types.push(`${aiForm.shortAnswer}道简答题`);
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return `请帮我生成一套${aiForm.title}，具体要求如下：
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1. 测试包含${types.join("、")}
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2. 题目难度为${aiForm.difficulty}级别
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3. 主题围绕"${aiForm.description}"
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题目模版参考这个：
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{题号}. {题干内容}（单选题）
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A. 选项A内容
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B. 选项B内容
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C. 选项C内容
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D. 选项D内容
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答案: {A}
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难度：简单 / 中等 / 难 / 较难
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知识点：知识点名称
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解析：{解释为什么是正确答案}
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{题号}. {题干内容}（多选题）
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A. 选项A内容
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B. 选项B内容
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C. 选项C内容
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D. 选项D内容
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答案: {A,C}
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难度：简单 / 中等 / 难 / 较难
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知识点：知识点名称
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解析：{解释每个正确选项的理由，指出错误选项的问题}
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{题号}. {题干内容}（判断题）
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A. 正确
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B. 错误
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答案: {A 或 B}
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难度：简单 / 中等 / 难 / 较难
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知识点：知识点名称
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解析：{说明判断依据或背景知识}
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{题号}. {问题内容}（问答题）
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答案: {参考答案或标准答案要点}
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难度：简单 / 中等 / 难 / 较难
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知识点：知识点名称
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解析：{答题思路、评分标准、重点提示等}
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必须根据题型和数量返回！不使用Markdown语法，开启严格模式严格按照我提供的题目数量和题目类型生成试题。`;
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}
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async function generateAi() {
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if (!aiForm.title.trim()) return ElMessage.warning("请输入题目标题");
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if (!aiForm.description.trim()) return ElMessage.warning("请输入生成要求描述");
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const total = aiForm.single + aiForm.multiple + aiForm.judgment + aiForm.shortAnswer;
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if (!total) return ElMessage.warning("请至少设置一种题型的数量");
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aiLoading.value = true;
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aiRawResult.value = "";
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aiQuestions.value = [];
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aiSelected.clear();
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const messages = [
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{ role: "system", content: "我是深圳市天择教育科技AI大模型，可以进行实时搜索和推理" },
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{ role: "user", content: buildAiPrompt() }
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];
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try {
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aiAbort = new AbortController();
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const aiBase = (import.meta.env.VITE_APP_AI_API || "/").replace(/\/?$/, "/");
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const resp = await fetch(`${aiBase}api/stream/chat`, {
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method: "POST",
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headers: { "Content-Type": "application/json" },
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body: JSON.stringify({ type: 1, enableSearch: true, enableThinking: false, messages }),
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signal: aiAbort.signal
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});
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if (!resp.ok) throw new Error(`请求失败，状态码: ${resp.status}`);
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const reader = resp.body.getReader();
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const decoder = new TextDecoder();
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let buffer = "";
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let jsonParts = [];
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let jsonDepth = 0;
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let inString = false;
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let escapeChar = false;
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let complete = "";
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while (true) {
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const { done, value } = await reader.read();
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if (done) break;
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buffer += decoder.decode(value, { stream: true });
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for (let i = 0; i < buffer.length; i++) {
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const ch = buffer[i];
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if (!inString && ch === "{") {
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if (jsonDepth === 0) jsonParts = [];
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jsonDepth++;
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jsonParts.push(ch);
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} else if (!inString && ch === "}") {
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jsonDepth--;
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jsonParts.push(ch);
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if (jsonDepth === 0) {
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try {
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const data = JSON.parse(jsonParts.join(""));
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if (data.content) { complete += data.content; aiRawResult.value = complete; }
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} catch (e) { /* 不完整 JSON 片段，跳过 */ }
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}
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} else if (jsonDepth > 0) {
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if (ch === '"' && !escapeChar) inString = !inString;
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jsonParts.push(ch);
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escapeChar = ch === "\\" && !escapeChar;
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}
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}
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}
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aiQuestions.value = parseAiQuestions(complete);
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aiRawResult.value = "";
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ElMessage.success(`成功识别 ${aiQuestions.value.length} 道题，勾选后可加入题库`);
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} catch (e) {
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if (e.name !== "AbortError") ElMessage.error("AI 生成失败：" + e.message);
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} finally {
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stopAiStream();
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}
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}
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/** 解析 AI 文本输出为结构化题目数组（迁移自 AI-assistant parseQuestionsToJSON）*/
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function parseAiQuestions(text) {
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const cleaned = text.replace(/\n\s*\n/g, "\n");
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const blocks = cleaned.trim().split(/(?=^\d)/gm);
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return blocks.map((block) => {
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const lines = block.split("\n");
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const qLine = lines[0];
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const items = [];
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let answer = "", difficulty = "", knowledge = "", explan = "";
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lines.forEach((line) => {
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if (/^[A-E]\.\s*/.test(line)) items.push(line.replace(/^[A-E]\.\s*/, ""));
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else if (line.startsWith("答案：") || line.startsWith("答案:")) answer = line.replace(/^答案[：:]/, "").trim();
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else if (line.startsWith("难度：")) difficulty = line.replace("难度：", "").trim();
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else if (line.startsWith("知识点：")) knowledge = line.replace("知识点：", "").trim();
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else if (line.startsWith("解析：")) explan = line.replace("解析：", "").trim();
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});
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return {
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question: qLine.replace(/^\d+\.\s*/, "").replace(/[（\(].*?[）\)]/, "").replace(/".*?"/, ""),
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type: aiDetectType(qLine),
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difficulty, items, answers: answer, explan, knowledges: knowledge
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};
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}).filter((q) => q.question);
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}
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function aiDetectType(q) {
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if (q.includes("单选题")) return "single_choice";
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if (q.includes("多选题")) return "multiple_choice";
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if (q.includes("判断题")) return "true_false";
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if (q.includes("问答题") || q.includes("简答题")) return "short_answer";
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return "short_answer";
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}
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/** 将 AI 题目转换为教师题库 schema 并批量入库 */
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function convertAiQuestion(q) {
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const typeMap = { single_choice: "SINGLE", multiple_choice: "MULTIPLE", true_false: "TRUE_FALSE", short_answer: "SHORT_ANSWER" };
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const type = typeMap[q.type];
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if (!type) return null;
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const item = { id: null, taskKey: "", type, stem: q.question || "", options: [], answer: null, analysis: q.explan || "" };
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if (type === "SINGLE" || type === "MULTIPLE") {
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item.options = (q.items || []).map((c, i) => ({ label: String.fromCharCode(65 + i), content: c }));
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const ans = String(q.answers || "").split(/[,，、]/).map((s) => s.trim()).filter(Boolean);
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item.answer = type === "SINGLE" ? ans.slice(0, 1) : ans;
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} else if (type === "TRUE_FALSE") {
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item.answer = q.answers === "A" || q.answers === "正确";
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} else {
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item.answer = q.answers || "";
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}
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return item;
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}
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async function importAiQuestions() {
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const targets = [...aiSelected].map((i) => convertAiQuestion(aiQuestions.value[i])).filter(Boolean);
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if (!targets.length) return ElMessage.warning("请选择要加入的题目");
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aiImporting.value = true;
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let ok = 0;
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try {
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for (const q of targets) {
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try { await examApi.createQuestion(q); ok++; } catch (e) { console.error("导入失败", e); }
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}
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if (ok) {
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ElMessage.success(`成功加入 ${ok} 道题到题库`);
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goBack();
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} else {
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|
ElMessage.error("加入题库失败，请重试");
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}
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} finally { aiImporting.value = false; }
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}
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</script>
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<style scoped lang="scss">
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/* 按 teacher-edu-style skill 规范：token 全来自 teacher-light.scss 第 0 节，scoped 只写布局 */
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|
|
.ai-gen-page {
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display: flex;
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flex-direction: column;
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min-height: 0;
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|
|
|
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|
.ai-gen-toolbar {
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|
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display: flex;
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|
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align-items: center;
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|
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gap: var(--sp-2);
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|
|
margin-bottom: var(--sp-4);
|
|
|
/* 扁平：skill 禁止页头大卡背景 */
|
|
|
}
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|
|
|
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|
.ai-gen-title {
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|
|
font-size: var(--fs-page);
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|
|
font-weight: 700;
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|
|
color: var(--text-strong);
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|
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margin: 0;
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|
}
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|
|
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|
.ai-gen-sub {
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color: var(--text-muted);
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font-size: var(--fs-body);
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}
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|
|
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.ai-gen-spacer {
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|
|
flex: 1;
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|
}
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|
|
|
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|
.ai-gen-main {
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|
|
display: grid;
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|
|
grid-template-columns: 340px 1fr;
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|
|
gap: var(--sp-4);
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|
min-width: 0;
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|
}
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|
|
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|
.ai-gen-form-card,
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|
.ai-gen-preview-card {
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|
|
background: #ffffff;
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|
|
border: 1px solid var(--border-color);
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|
|
border-radius: var(--r-card);
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|
|
overflow: hidden;
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|
|
}
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|
|
|
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|
.ai-gen-form {
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|
|
padding: var(--sp-4);
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|
}
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|
|
|
|
/* 关键：题型 2x2 grid 紧凑布局 */
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|
|
.ai-gen-type-grid {
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|
|
display: grid;
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|
|
grid-template-columns: repeat(2, minmax(0, 1fr));
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|
|
gap: 10px;
|
|
|
}
|
|
|
|
|
|
.ai-gen-type-cell {
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|
|
display: flex;
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|
|
align-items: center;
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|
|
gap: var(--sp-1);
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|
|
|
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|
.ai-gen-type-name {
|
|
|
flex: 0 0 auto;
|
|
|
font-size: var(--fs-body);
|
|
|
color: var(--text-strong);
|
|
|
}
|
|
|
|
|
|
.el-input-number--small {
|
|
|
width: 96px;
|
|
|
}
|
|
|
}
|
|
|
|
|
|
.ai-gen-type-tip {
|
|
|
margin-top: var(--sp-1);
|
|
|
color: var(--text-muted);
|
|
|
font-size: var(--fs-body);
|
|
|
}
|
|
|
|
|
|
.ai-gen-preview-card {
|
|
|
display: flex;
|
|
|
flex-direction: column;
|
|
|
min-height: 540px;
|
|
|
max-height: calc(100vh - 200px);
|
|
|
}
|
|
|
|
|
|
.ai-gen-preview-head {
|
|
|
display: flex;
|
|
|
align-items: center;
|
|
|
gap: var(--sp-3);
|
|
|
padding: var(--sp-3) var(--sp-4);
|
|
|
border-bottom: 1px solid var(--border-color);
|
|
|
/* skill 规范：白卡纯白，不用蓝底 */
|
|
|
background: #ffffff;
|
|
|
}
|
|
|
|
|
|
.ai-gen-preview-title {
|
|
|
font-size: var(--fs-card);
|
|
|
font-weight: 600;
|
|
|
color: var(--text-strong);
|
|
|
}
|
|
|
|
|
|
.ai-gen-count {
|
|
|
color: var(--edu-primary);
|
|
|
font-size: var(--fs-body);
|
|
|
font-weight: 600;
|
|
|
}
|
|
|
|
|
|
.ai-gen-preview-actions {
|
|
|
margin-left: auto;
|
|
|
display: flex;
|
|
|
gap: var(--sp-1);
|
|
|
}
|
|
|
|
|
|
.ai-gen-preview-body {
|
|
|
flex: 1;
|
|
|
overflow-y: auto;
|
|
|
padding: var(--sp-4);
|
|
|
}
|
|
|
|
|
|
.ai-thinking {
|
|
|
display: flex;
|
|
|
align-items: center;
|
|
|
gap: var(--sp-1);
|
|
|
padding: 24px 0;
|
|
|
color: var(--edu-primary);
|
|
|
font-size: var(--fs-body);
|
|
|
|
|
|
.ai-thinking-text { font-weight: 600; }
|
|
|
|
|
|
.ai-dot {
|
|
|
width: 6px; height: 6px;
|
|
|
border-radius: 50%;
|
|
|
background: var(--edu-primary);
|
|
|
animation: ai-bounce 1.2s infinite ease-in-out;
|
|
|
&:nth-child(3) { animation-delay: 0.2s; }
|
|
|
&:nth-child(4) { animation-delay: 0.4s; }
|
|
|
}
|
|
|
}
|
|
|
|
|
|
.ai-raw-stream {
|
|
|
margin: 0; padding: 8px 10px;
|
|
|
background: #f9fafb; border-radius: var(--r-control);
|
|
|
color: var(--text-strong); font-size: var(--fs-body); line-height: 1.6;
|
|
|
white-space: pre-wrap; word-break: break-word;
|
|
|
}
|
|
|
|
|
|
.ai-question-list {
|
|
|
display: flex; flex-direction: column; gap: var(--sp-3);
|
|
|
}
|
|
|
|
|
|
.ai-question-card {
|
|
|
padding: var(--sp-3);
|
|
|
border: 1px solid var(--border-color);
|
|
|
border-radius: var(--r-control);
|
|
|
background: #fff; cursor: pointer;
|
|
|
transition: border-color 0.15s, background 0.15s;
|
|
|
&:hover { border-color: var(--edu-primary); }
|
|
|
&.is-selected { border-color: var(--edu-primary); background: var(--edu-primary-soft); }
|
|
|
|
|
|
.ai-question-head { display: flex; align-items: center; gap: var(--sp-2); margin-bottom: var(--sp-1); }
|
|
|
.ai-question-type {
|
|
|
padding: 1px 8px; border: 1px solid var(--edu-primary); border-radius: 4px;
|
|
|
background: var(--edu-primary-soft); color: var(--edu-primary); font-size: var(--fs-tag);
|
|
|
}
|
|
|
.ai-question-stem { margin-bottom: var(--sp-1); color: var(--text-strong); font-size: var(--fs-card); line-height: 1.6; }
|
|
|
.ai-question-options { margin-bottom: var(--sp-1); }
|
|
|
.ai-question-option { padding: 2px 0; color: var(--text-body); font-size: var(--fs-body); line-height: 1.6; }
|
|
|
.ai-question-meta { display: flex; font-size: var(--fs-body); line-height: 1.6; }
|
|
|
.ai-meta-label { flex: 0 0 auto; color: var(--text-muted); }
|
|
|
.ai-meta-value { color: var(--text-body); word-break: break-all; }
|
|
|
}
|
|
|
}
|
|
|
|
|
|
@keyframes ai-bounce {
|
|
|
0%, 80%, 100% { transform: translateY(0); opacity: 0.4; }
|
|
|
40% { transform: translateY(-6px); opacity: 1; }
|
|
|
}
|
|
|
</style>
|