'commit'

Controller/YltAnalyticsController.py

@@ -97,27 +97,30 @@ async def export_prices_zip():
 
 @router.get("/api/ai/pricing/strategy-summary")
 async def ai_pricing_strategy_summary():
+    async def generate_stream():
         resp = await get_operators_hourly_prices()
         data = resp.get("operators", [])
         text_data = []
         for item in data:
             text_data.append({"operator": item.get("operator"), "series": item.get("series")})
-    text = (
+        
+        prompt = (
             "下面是四家供应商（新电途、特来电、驿来特、艾特吉易充）基于最新爬取数据计算出的平均24小时分时电价：\n"
             f"{text_data}\n"
             "请根据这些数据，综合分析各司的定价策略差异，重点对比我司（驿来特）与其他供应商的分时电价水平，"
             "指出我司在不同时段可能存在的潜在问题和风险（例如明显偏贵、价格结构不合理等），并给出2-3条可执行的优化建议。"
-        "回答控制在600字以内。"
+            "请使用Markdown格式输出，重点可以使用加粗，如有公式可使用LaTeX格式。"
+            "回答控制在800字以内。"
         )
-    chunks: List[str] = []
+        
         async for chunk in get_llm_response(
-        text,
+            prompt,
-        stream=False,
+            stream=True,
             system_prompt="你是熟悉中国充电桩行业的电价策略分析顾问。",
         ):
-        chunks.append(chunk)
+            yield chunk
-    summary_text = "".join(chunks)
+
-    return JSONResponse({"summary": summary_text})
+    return StreamingResponse(generate_stream(), media_type="text/event-stream")
 
 
 @router.get("/api/ylt/stations", response_model=List[StationBase])

static/css/app.css

@@ -1,28 +1,296 @@
-body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;background:#050816;color:#e5e7eb;}
+/* Modern Dark Theme - Slate/Blue Palette */
-#app{display:flex;flex-direction:row;height:100vh;}
+:root {
-.left-panel{flex:3;padding:16px;box-sizing:border-box;display:flex;flex-direction:column;gap:12px;}
+  --bg-color: #0f172a; /* Slate 900 */
-.right-panel{flex:2;padding:16px;box-sizing:border-box;border-left:1px solid #111827;background:#020617;}
+  --card-bg: #1e293b; /* Slate 800 */
-.controls{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:4px;align-items:center;}
+  --card-border: #334155; /* Slate 700 */
-.controls input{padding:6px 8px;border-radius:4px;border:1px solid #374151;background:#020617;color:#e5e7eb;}
+  --text-primary: #f1f5f9; /* Slate 100 */
-.controls button{padding:6px 12px;border-radius:4px;border:none;background:#2563eb;color:#f9fafb;cursor:pointer;}
+  --text-secondary: #94a3b8; /* Slate 400 */
-.controls button:disabled{opacity:.5;cursor:not-allowed;}
+  --accent-color: #3b82f6; /* Blue 500 */
-.controls-spacer{flex:1;}
+  --accent-hover: #2563eb; /* Blue 600 */
-.station-list{flex:0 0 220px;border:1px solid #111827;border-radius:8px;background:#020617;overflow:hidden;display:flex;flex-direction:column;}
+  --success-color: #10b981; /* Emerald 500 */
-.station-list-header{padding:8px 12px;border-bottom:1px solid #111827;font-size:14px;background:#020617;}
+  --table-header-bg: #0f172a;
-.station-table{width:100%;border-collapse:collapse;font-size:13px;}
+  --table-row-hover: #334155;
-.station-table th,.station-table td{padding:6px 8px;border-bottom:1px solid #111827;}
+  --scrollbar-thumb: #475569;
-.station-table th{background:#020617;color:#9ca3af;text-align:left;}
+  --scrollbar-track: #0f172a;
-.station-row{cursor:pointer;}
+}
-.station-row:hover{background:#111827;}
+
-.station-row.active{background:#1d283a;}
+body {
-#chart{flex:1;border:1px solid #111827;border-radius:8px;background:#0b1120;}
+  margin: 0;
-.price-table{flex:0 0 260px;border:1px solid #111827;border-radius:8px;background:#020617;padding:8px;box-sizing:border-box;overflow:auto;}
+  font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
-.price-table-title{font-size:14px;margin-bottom:4px;}
+  background-color: var(--bg-color);
-.price-table-inner{width:100%;border-collapse:collapse;font-size:12px;}
+  color: var(--text-primary);
-.price-table-inner th,.price-table-inner td{padding:4px 6px;border-bottom:1px solid #111827;}
+  height: 100vh;
-.price-table-inner th{background:#020617;color:#9ca3af;text-align:right;}
+  overflow: hidden;
-.price-table-inner th:first-child,.price-table-inner td:first-child{text-align:left;}
+  background-image: radial-gradient(circle at 50% 0%, #1e293b 0%, #0f172a 100%);
-.ai-title{font-size:16px;margin-bottom:8px;}
+}
-.ai-box{height:calc(100% - 40px);border-radius:8px;border:1px solid #111827;background:#020617;padding:12px;box-sizing:border-box;white-space:pre-wrap;overflow:auto;font-size:14px;line-height:1.6;}
+
-.label{font-size:14px;margin-right:8px;}
+#app {
+  display: flex;
+  flex-direction: column; /* Changed to column to include header */
+  height: 100vh;
+  padding: 16px;
+  gap: 16px;
+  box-sizing: border-box;
+}
+
+/* Header Styling */
+.dashboard-header {
+  display: flex;
+  justify-content: space-between;
+  align-items: center;
+  padding: 0 8px;
+  flex: 0 0 auto;
+}
+
+.dashboard-title {
+  font-size: 24px;
+  font-weight: 700;
+  background: linear-gradient(to right, #60a5fa, #a78bfa);
+  -webkit-background-clip: text;
+  -webkit-text-fill-color: transparent;
+  letter-spacing: -0.5px;
+}
+
+/* Main Layout */
+.main-content {
+  display: flex;
+  flex: 1;
+  gap: 16px;
+  min-height: 0; /* Important for nested scrolling */
+}
+
+.left-panel {
+  flex: 3;
+  display: flex;
+  flex-direction: column;
+  gap: 16px;
+  min-width: 0;
+}
+
+.right-panel {
+  flex: 2;
+  display: flex;
+  flex-direction: column;
+  background-color: var(--card-bg);
+  border-radius: 12px;
+  border: 1px solid var(--card-border);
+  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
+  padding: 20px;
+  min-width: 0;
+}
+
+/* Cards */
+.card {
+  background-color: var(--card-bg);
+  border: 1px solid var(--card-border);
+  border-radius: 12px;
+  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -1px rgba(0, 0, 0, 0.06);
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+/* Controls */
+.controls {
+  display: flex;
+  gap: 12px;
+  align-items: center;
+}
+
+.btn-primary {
+  padding: 8px 16px;
+  border-radius: 8px;
+  border: none;
+  background: linear-gradient(135deg, var(--accent-color), var(--accent-hover));
+  color: white;
+  font-weight: 600;
+  cursor: pointer;
+  transition: all 0.2s ease;
+  box-shadow: 0 2px 4px rgba(59, 130, 246, 0.3);
+  font-size: 14px;
+}
+
+.btn-primary:hover:not(:disabled) {
+  transform: translateY(-1px);
+  box-shadow: 0 4px 6px rgba(59, 130, 246, 0.4);
+}
+
+.btn-primary:disabled {
+  opacity: 0.6;
+  cursor: not-allowed;
+  transform: none;
+  filter: grayscale(0.5);
+}
+
+/* Station List / Table */
+.station-list {
+  flex: 1; /* Give it space */
+  min-height: 0;
+  @apply card; /* Conceptually using card styles */
+  background-color: var(--card-bg);
+  border: 1px solid var(--card-border);
+  border-radius: 12px;
+  display: flex;
+  flex-direction: column;
+  overflow: hidden;
+}
+
+.station-list-header {
+  padding: 16px 20px;
+  border-bottom: 1px solid var(--card-border);
+  font-size: 16px;
+  font-weight: 600;
+  color: var(--text-primary);
+  background-color: rgba(15, 23, 42, 0.5);
+}
+
+.station-table-container {
+  flex: 1;
+  overflow-y: auto;
+  scrollbar-width: thin;
+  scrollbar-color: var(--scrollbar-thumb) var(--scrollbar-track);
+}
+
+.station-table {
+  width: 100%;
+  border-collapse: separate; /* Changed for border-radius support if needed, but sticky needs collapse usually or specific handling. Keeping collapse for alignment. */
+  border-collapse: collapse;
+  font-size: 14px;
+}
+
+.station-table th {
+  background-color: var(--table-header-bg);
+  color: var(--text-secondary);
+  font-weight: 600;
+  text-transform: uppercase;
+  font-size: 12px;
+  letter-spacing: 0.05em;
+  padding: 12px 16px;
+  position: sticky;
+  top: 0;
+  z-index: 10;
+  border-bottom: 1px solid var(--card-border);
+  box-shadow: 0 1px 2px rgba(0,0,0,0.2);
+}
+
+.station-table td {
+  padding: 12px 16px;
+  border-bottom: 1px solid var(--card-border);
+  color: var(--text-primary);
+  transition: background-color 0.15s;
+}
+
+.station-table tbody tr:hover td {
+  background-color: var(--table-row-hover);
+}
+
+.station-table tbody tr:last-child td {
+  border-bottom: none;
+}
+
+/* Chart */
+#chart {
+  flex: 1;
+  min-height: 300px;
+  background-color: var(--card-bg);
+  border: 1px solid var(--card-border);
+  border-radius: 12px;
+  padding: 16px;
+  box-sizing: border-box;
+}
+
+/* AI Analysis Section */
+.ai-title {
+  font-size: 18px;
+  font-weight: 700;
+  color: var(--text-primary);
+  margin-bottom: 16px;
+  display: flex;
+  align-items: center;
+  gap: 8px;
+}
+
+.ai-title::before {
+  content: '';
+  display: block;
+  width: 4px;
+  height: 18px;
+  background-color: var(--accent-color);
+  border-radius: 2px;
+}
+
+.ai-box {
+  flex: 1;
+  background-color: rgba(15, 23, 42, 0.3); /* Slightly darker inner bg */
+  border-radius: 8px;
+  border: 1px solid var(--card-border);
+  padding: 16px;
+  overflow-y: auto;
+  font-size: 14px;
+  line-height: 1.7;
+  color: #cbd5e1; /* Slate 300 */
+  scrollbar-width: thin;
+  scrollbar-color: var(--scrollbar-thumb) transparent;
+}
+
+.ai-question {
+  background-color: rgba(59, 130, 246, 0.1);
+  border-left: 3px solid var(--accent-color);
+  padding: 12px;
+  border-radius: 0 4px 4px 0;
+  margin-bottom: 16px;
+}
+
+.ai-question .label {
+  font-size: 12px;
+  color: var(--accent-color);
+  font-weight: 700;
+  margin-bottom: 4px;
+  text-transform: uppercase;
+}
+
+.ai-question .question-text {
+  font-size: 14px;
+  color: var(--text-primary);
+}
+
+.ai-result {
+  margin-top: 16px;
+}
+
+/* Markdown Styling in AI Result */
+.ai-result h1, .ai-result h2, .ai-result h3 {
+  color: var(--text-primary);
+  margin-top: 20px;
+  margin-bottom: 10px;
+  font-weight: 600;
+}
+.ai-result strong {
+  color: #60a5fa; /* Blue 400 */
+}
+.ai-result ul {
+  padding-left: 20px;
+}
+.ai-result li {
+  margin-bottom: 6px;
+}
+.ai-result p {
+  margin-bottom: 12px;
+}
+
+/* Custom Scrollbar Webkit */
+::-webkit-scrollbar {
+  width: 8px;
+  height: 8px;
+}
+::-webkit-scrollbar-track {
+  background: transparent;
+}
+::-webkit-scrollbar-thumb {
+  background: var(--scrollbar-thumb);
+  border-radius: 4px;
+}
+::-webkit-scrollbar-thumb:hover {
+  background: #64748b;
+}
 

static/index.html

@@ -4,55 +4,75 @@
 <meta charset="utf-8">
 <title>多供应商分时电价分析大屏</title>
 <link rel="stylesheet" href="css/app.css">
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.16.9/katex.min.css">
+<script src="https://cdnjs.cloudflare.com/ajax/libs/marked/12.0.0/marked.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.16.9/katex.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/KaTeX/0.16.9/contrib/auto-render.min.js"></script>
 </head>
 <body>
 <div id="app">
-<div class="left-panel">
+  <header class="dashboard-header">
-<div class="controls">
+    <div class="dashboard-title">⚡ 充电站电价分析驾驶舱</div>
-<span class="label">选择供应商</span>
+    <div class="controls">
-<select v-model="selectedOperator" @change="loadOperatorPrices">
+      <button class="btn-primary" @click="exportAllPrices" :disabled="exporting">
-<option v-for="op in operators" :key="op.value" :value="op.value">{{ op.label }}</option>
+        <span v-if="!exporting">📊 一键导出分析报告</span>
-</select>
+        <span v-else>⏳ 导出中...</span>
-<button @click="loadAllOperatorsPrices" :disabled="loading">查询四家最新24小时电价</button>
+      </button>
-<div class="controls-spacer"></div>
+    </div>
-<button @click="exportAllPrices" :disabled="exporting">一键导出各供应商电价</button>
+  </header>
-</div>
+  
-<div class="station-list">
+  <div class="main-content">
-<div class="station-list-header">四家供应商24小时平均电价对比</div>
+    <div class="left-panel">
-<table class="station-table">
+      <div class="station-list">
-<thead>
+        <div class="station-list-header">全网供应商24小时电价监控</div>
-<tr>
+        <div class="station-table-container">
-<th style="width:20%;">小时</th>
+          <table class="station-table">
-<th v-for="op in operators" :key="op.value" style="width:20%;">{{ op.label }}</th>
+            <thead>
-</tr>
+              <tr>
-</thead>
+                <th style="width:15%;">时段</th>
-<tbody>
+                <th v-for="op in operators" :key="op.value" :style="{width: (85/operators.length) + '%'}">{{ op.label }}</th>
-<tr v-for="(row, idx) in priceTableRows" :key="idx">
+              </tr>
-<td>{{ row.hour }}</td>
+            </thead>
-<td v-for="cell in row.values" :key="cell.operator">{{ formatCell(cell.price) }}</td>
+            <tbody>
-</tr>
+              <tr v-for="(row, idx) in priceTableRows" :key="idx">
-<tr v-if="priceTableRows.length===0">
+                <td style="font-family: monospace; color: var(--text-secondary);">{{ row.hour }}</td>
-<td :colspan="operators.length + 1">暂无数据，请先查询</td>
+                <td v-for="cell in row.values" :key="cell.operator" :style="{color: getPriceColor(cell.price)}">
-</tr>
+                  {{ formatCell(cell.price) }}
-</tbody>
+                </td>
-</table>
+              </tr>
-</div>
+              <tr v-if="priceTableRows.length===0">
-<div id="chart"></div>
+                <td :colspan="operators.length + 1" style="text-align:center; padding: 32px; color: var(--text-secondary);">
-</div>
+                  数据加载中...
-<div class="right-panel">
+                </td>
-<div class="ai-title">AI 辅助分析</div>
+              </tr>
-<div class="ai-box">
+            </tbody>
-<div class="ai-question">
+          </table>
-<div class="label">默认问题</div>
+        </div>
-<div class="question-text">
+      </div>
-请根据爬取的各供应商分时电价等信息，对各司的定价策略，
+      <div id="chart"></div>
-与我司（驿来特）的定价策略进行综合对比，分析我司可能存在的潜在问题。
+    </div>
-</div>
+    
-</div>
+    <div class="right-panel">
-<button @click="startAiAnalysis" :disabled="aiLoading">发起AI综合分析</button>
+      <div class="ai-title">智能决策分析助手</div>
-<div class="ai-result">{{ aiText || placeholder }}</div>
+      <div class="ai-box" ref="aiBoxRef">
-</div>
+        <div class="ai-question">
-</div>
+          <div class="label">当前分析任务</div>
+          <div class="question-text">
+            请根据爬取的各供应商分时电价等信息，对各司的定价策略，
+            与我司（驿来特）的定价策略进行综合对比，分析我司可能存在的潜在问题。
+          </div>
+        </div>
+        
+        <div style="text-align: center; margin: 10px 0;">
+           <button class="btn-primary" @click="startAiAnalysis" :disabled="aiLoading" style="width: 100%;">
+             {{ aiLoading ? '✨ AI 正在深入分析...' : '🚀 发起 AI 综合诊断' }}
+           </button>
+        </div>
+
+        <div class="ai-result" v-html="renderedAiText || placeholder" style="opacity: 0.9;"></div>
+      </div>
+    </div>
+  </div>
 </div>
 <script src="js/vue.global.js"></script>
 <script src="js/axios.min.js"></script>

static/js/app.js

@@ -13,7 +13,9 @@ const selectedOperator = ref("驿来特")
 const aiText = ref("")
 const placeholder = ref("点击左侧按钮查询四家供应商最新24小时分时电价，再使用右侧AI综合分析功能对各司定价策略进行对比。")
 const loading = ref(false)
+const exporting = ref(false)
 const aiLoading = ref(false)
+const aiBoxRef = ref(null)
 const priceTableRows = ref([])
 const hourlyPricesByOperator = ref({})
 let chartInstance = null
@@ -47,15 +49,37 @@ seriesData.push(list[h] !== undefined ? list[h] : null)
 return {name: op.label, type:"line", smooth:true, data:seriesData}
 })
 const hours = rows.map(r => r.hour)
-const option = {
+            const option = {
-tooltip:{trigger:"axis"},
+                backgroundColor: 'transparent',
-legend:{data:operators.value.map(o=>o.label),textStyle:{color:"#e5e7eb"}},
+                tooltip: {
-xAxis:{type:"category",data:hours,axisLine:{lineStyle:{color:"#4b5563"}},axisLabel:{color:"#9ca3af"}},
+                    trigger: "axis",
-yAxis:{type:"value",name:"元/度",axisLine:{lineStyle:{color:"#4b5563"}},axisLabel:{color:"#9ca3af"},splitLine:{lineStyle:{color:"#111827"}}},
+                    backgroundColor: 'rgba(30, 41, 59, 0.9)',
-grid:{left:40,right:20,top:30,bottom:30},
+                    borderColor: '#334155',
-series:series
+                    textStyle: { color: '#f1f5f9' }
-}
+                },
-chartInstance.setOption(option)
+                legend: {
+                    data: operators.value.map(o => o.label),
+                    textStyle: { color: "#94a3b8" },
+                    bottom: 0
+                },
+                xAxis: {
+                    type: "category",
+                    data: hours,
+                    axisLine: { lineStyle: { color: "#475569" } },
+                    axisLabel: { color: "#94a3b8" }
+                },
+                yAxis: {
+                    type: "value",
+                    name: "元/度",
+                    nameTextStyle: { color: "#94a3b8" },
+                    axisLine: { lineStyle: { color: "#475569" } },
+                    axisLabel: { color: "#94a3b8" },
+                    splitLine: { lineStyle: { color: "#334155", type: 'dashed' } }
+                },
+                grid: { left: 50, right: 30, top: 40, bottom: 40 },
+                series: series
+            }
+            chartInstance.setOption(option)
 }
 }
 
@@ -78,14 +102,9 @@ loading.value = false
 }
 }
 
-const loadOperatorPrices = async () => {
-if (!selectedOperator.value) return
-await loadAllOperatorsPrices()
-}
-
 const exportAllPrices = async () => {
 try{
-loading.value = true
+exporting.value = true
 const res = await axios.get(apiBase.value + "/api/export/prices-zip",{responseType:"blob"})
 const blob = new Blob([res.data],{type:"application/zip"})
 const url = window.URL.createObjectURL(blob)
@@ -99,7 +118,7 @@ window.URL.revokeObjectURL(url)
 }catch(e){
 console.error(e)
 }finally{
-loading.value = false
+exporting.value = false
 }
 }
 
@@ -108,15 +127,68 @@ if (aiLoading.value) return
 aiText.value = ""
 aiLoading.value = true
 try{
-const res = await axios.get(apiBase.value + "/api/ai/pricing/strategy-summary")
+    const response = await fetch(apiBase.value + "/api/ai/pricing/strategy-summary")
-aiText.value = res.data && res.data.summary ? res.data.summary : ""
+    if (!response.body) return
+    const reader = response.body.getReader()
+    const decoder = new TextDecoder()
+    
+    while (true) {
+        const {done, value} = await reader.read()
+        if (done) break
+        const chunk = decoder.decode(value, {stream: true})
+        aiText.value += chunk
+        await Vue.nextTick()
+        if (aiBoxRef.value) {
+            aiBoxRef.value.scrollTop = aiBoxRef.value.scrollHeight
+        }
+    }
 }catch(e){
 console.error(e)
+aiText.value += "\n(分析过程出错: " + e.message + ")"
 }finally{
 aiLoading.value = false
 }
 }
 
+const renderedAiText = Vue.computed(() => {
+    if (!aiText.value) return ""
+    try {
+        // 配置 marked
+        marked.setOptions({
+            breaks: true,
+            gfm: true
+        });
+        let html = marked.parse(aiText.value);
+        // 简单处理LaTeX (如果有需要的话，可以引入更复杂的处理，这里假设Katex auto-render会处理或者手动处理)
+        // 由于是computed，我们返回html，然后通过v-html渲染。
+        // v-html更新后，Vue不保证脚本执行。
+        // 我们可以在updated hook里调用renderMathInElement，或者这里仅仅返回html。
+        // 为了支持Latex，我们可以在watch aiText时手动更新DOM，或者使用nextTick。
+        // 简易方案：返回HTML，由Vue渲染。如果需要Latex渲染，可以在watch里做。
+        return html;
+    } catch (e) {
+        return aiText.value;
+    }
+})
+
+// 监听 aiText 变化以渲染 Latex
+Vue.watch(aiText, () => {
+    Vue.nextTick(() => {
+        const el = document.querySelector('.ai-result');
+        if (el && window.renderMathInElement) {
+            renderMathInElement(el, {
+                delimiters: [
+                    {left: '$$', right: '$$', display: true},
+                    {left: '$', right: '$', display: false},
+                    {left: '\\(', right: '\\)', display: false},
+                    {left: '\\[', right: '\\]', display: true}
+                ],
+                throwOnError: false
+            });
+        }
+    });
+});
+
 onMounted(()=>{
 initChart()
 loadAllOperatorsPrices()
@@ -131,6 +203,13 @@ return v.toFixed(2)
 return v
 }
 
-return {apiBase,operators,selectedOperator,aiText,placeholder,loading,aiLoading,priceTableRows,loadOperatorPrices,loadAllOperatorsPrices,exportAllPrices,startAiAnalysis,formatCell}
+const getPriceColor = (price) => {
+    if (price === null || price === undefined) return 'inherit'
+    if (price > 1.2) return '#ef4444' // Red-500
+    if (price < 0.8) return '#10b981' // Emerald-500
+    return '#f1f5f9' // Slate-100
+}
+
+return {apiBase,operators,aiText,placeholder,loading,exporting,aiLoading,priceTableRows,loadAllOperatorsPrices,exportAllPrices,startAiAnalysis,formatCell,getPriceColor,renderedAiText,aiBoxRef}
 }
 }).mount("#app")