217 lines
8.7 KiB
JavaScript
217 lines
8.7 KiB
JavaScript
const { createApp, ref, computed, watch, nextTick, onMounted } = Vue;
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createApp({
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setup() {
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const apiBase = ref(window.location.origin || "http://localhost:8000");
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// Query State
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const userQuery = ref('');
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const queryLoading = ref(false);
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const queryResult = ref('');
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const eventSource = ref(null);
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const rowsAcc = ref([]);
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const bufferRow = ref(null);
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const examples = [
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"查询12月份充电量TOP 10场站的充电情况",
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"查询净月商贸城站12月的充电量",
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"查询12月企业充电量排名的TOP 10",
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"查询所有场站的近3个月的充电情况，找出变化最大的前10名"
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];
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// Helpers
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const isPlainObject = (obj) => Object.prototype.toString.call(obj) === '[object Object]';
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const colSynonyms = {
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name: ['name', 'station', 'station_name', 'site', '场站', '场站名称', '站点', '站名'],
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total: ['total', 'total_kwh', 'sum_kwh', 'energy_total', '总电量', '总充电量', '总度', '总度数'],
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peak: ['peak', 'peak_kwh', 'energy_peak', '峰', '峰时电量'],
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flat: ['flat', 'flat_kwh', 'energy_flat', '平', '平时电量'],
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valley: ['valley', 'valley_kwh', 'energy_valley', '谷', '谷时电量'],
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};
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const pickKey = (obj, keys) => keys.find(k => Object.prototype.hasOwnProperty.call(obj, k));
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const pickVal = (obj, keys) => {
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const k = pickKey(obj, keys);
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return k ? obj[k] : undefined;
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};
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const formatNumber = (n) => {
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if (n === null || n === undefined || n === '') return '';
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const v = parseFloat(String(n).replace(/,/g, ''));
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if (isNaN(v)) return String(n);
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return v.toLocaleString('zh-CN', { maximumFractionDigits: 2 });
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};
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const pushRow = (row) => {
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if (!row || !row.name) return;
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rowsAcc.value.push(row);
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const r = row;
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const line = `| ${r.name ?? ''} | ${formatNumber(r.total)} | ${formatNumber(r.peak)} | ${formatNumber(r.flat)} | ${formatNumber(r.valley)} |`;
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if (rowsAcc.value.length === 1) {
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const header = `| 场站名称 | 总电量 | 峰 | 平 | 谷 |\n| --- | ---: | ---: | ---: | ---: |`;
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if (queryResult.value && !queryResult.value.endsWith('\n')) {
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queryResult.value += '\n\n';
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} else if (queryResult.value) {
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queryResult.value += '\n';
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}
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queryResult.value += header + '\n';
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}
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queryResult.value += line + '\n';
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};
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const handleDegreeSearch = () => {
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if (!userQuery.value.trim()) {
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if (typeof ElementPlus !== 'undefined') ElementPlus.ElMessage.warning('请输入您的问题');
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else alert('请输入您的问题');
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return;
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}
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if (queryLoading.value) {
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if (eventSource.value) {
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eventSource.value.close();
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}
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}
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queryLoading.value = true;
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queryResult.value = '';
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rowsAcc.value = [];
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bufferRow.value = null;
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const url = `${apiBase.value}/degree/chat?q=${encodeURIComponent(userQuery.value)}`;
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try {
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const es = new EventSource(url);
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eventSource.value = es;
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es.onmessage = (event) => {
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const eventData = event.data.trim();
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if (eventData === '[DONE]') {
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queryLoading.value = false;
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es.close();
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renderCharts();
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return;
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}
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try {
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const data = JSON.parse(event.data);
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let chunk = '';
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if (data.content) chunk = data.content;
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else if (data.markdown) chunk = data.markdown;
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else if (data.chunk) chunk = data.chunk;
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else if (typeof data === 'string') chunk = data;
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if (chunk) {
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queryResult.value += chunk;
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}
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} catch (e) {
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if (eventData && eventData !== '[DONE]') {
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queryResult.value += event.data;
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}
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}
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};
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es.onerror = (err) => {
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console.error('SSE Error:', err);
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queryLoading.value = false;
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es.close();
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if (!queryResult.value) {
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queryResult.value = '查询过程出现异常，未能获取到数据';
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}
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};
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} catch (err) {
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console.error('Failed to create EventSource:', err);
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queryLoading.value = false;
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if (typeof ElementPlus !== 'undefined') ElementPlus.ElMessage.error('无法建立连接');
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else alert('无法建立连接');
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}
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};
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const stopDegreeGeneration = () => {
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if (eventSource.value) {
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eventSource.value.close();
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eventSource.value = null;
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}
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queryLoading.value = false;
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};
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const setExample = (text) => {
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userQuery.value = text;
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handleDegreeSearch();
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};
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const renderCharts = () => {
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if (typeof echarts === 'undefined') return;
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nextTick(() => {
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const containers = document.querySelectorAll('.echarts-container');
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containers.forEach(container => {
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if (container.getAttribute('data-rendered') === 'true') return;
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try {
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const configStr = decodeURIComponent(container.getAttribute('data-config')).trim();
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if (!configStr.startsWith('{') || !configStr.endsWith('}')) return;
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const config = JSON.parse(configStr);
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let chart = echarts.getInstanceByDom(container);
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if (!chart) {
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chart = echarts.init(container, 'dark');
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window.addEventListener('resize', () => chart.resize());
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}
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chart.setOption(config);
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container.setAttribute('data-rendered', 'true');
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container.style.opacity = '1';
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} catch (e) {
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if (queryLoading.value) return;
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console.error('ECharts rendering error:', e);
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container.innerHTML = `<p style="color: #ef4444; padding: 10px;">图表渲染失败: ${e.message}</p>`;
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}
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});
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});
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};
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// Configure Marked
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if (typeof marked !== 'undefined') {
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marked.use({
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gfm: true,
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breaks: true,
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renderer: {
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code(code, language) {
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if (language === 'echarts') {
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const id = 'chart-' + Math.random().toString(36).substr(2, 9);
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return `<div class="echarts-container" id="${id}" style="width: 100%; height: 400px; margin: 20px 0; background: rgba(30, 41, 59, 0.5); border: 1px solid rgba(148, 163, 184, 0.1); border-radius: 12px; padding: 20px;" data-config="${encodeURIComponent(code)}"></div>`;
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}
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return false;
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}
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}
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});
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}
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const renderedResult = computed(() => {
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if (!queryResult.value) return '';
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try {
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// Remove escapes that might break markdown
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const cleanText = queryResult.value.replace(/\\([\*_`#\[\]\(\)!>-])/g, '$1');
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if (typeof marked !== 'undefined') {
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return marked.parse(cleanText);
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}
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return cleanText;
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} catch (e) {
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console.error('Markdown parsing error:', e);
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return queryResult.value;
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}
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});
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watch(queryResult, () => {
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renderCharts();
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});
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return {
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userQuery,
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queryLoading,
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queryResult,
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examples,
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handleDegreeSearch,
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stopDegreeGeneration,
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setExample,
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renderedResult
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};
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}
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}).use(ElementPlus).mount('#app');
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