feat: 支持编辑线路图署名并固定 CC BY 4.0

web/ticket-order.js

@@ -43,6 +43,8 @@
   let lineIdxsByCanonical = {};
   let activeLineIdx = -1;
   let routeMapUrl = '';
+  let routeMapCredit = '';
+  let routeMapLicense = 'CC BY 4.0';
   
   const piePath = (cx, cy, r, a0, a1) => {
       const x0 = cx + r * Math.cos(a0);
@@ -84,6 +86,20 @@
       return `/assets/${encodeURIComponent(name)}?v=${encodeURIComponent(version)}`;
   };
 
+  const escapeHtml = (value) => String(value || '')
+      .replace(/&/g, '&')
+      .replace(/</g, '&lt;')
+      .replace(/>/g, '&gt;')
+      .replace(/"/g, '&quot;')
+      .replace(/'/g, '&#39;');
+
+  const buildCreditHtml = (credit, license, linkColor = '') => {
+      const safeCredit = escapeHtml(credit || '未填写');
+      const safeLicense = escapeHtml(license || 'CC BY 4.0');
+      const colorStyle = linkColor ? ` style="color: ${linkColor};"` : '';
+      return `<div class="jr-asset-credit"><span>线路图署名：${safeCredit}</span><span>许可协议：</span><a href="https://creativecommons.org/licenses/by/4.0/" target="_blank" rel="noopener noreferrer"${colorStyle}>${safeLicense}</a></div>`;
+  };
+
   function renderStationNode(x, y, code, i, forceColor = null) {
       const canonical = stationCanonicalByCode[code] || code;
       const codes = stationCodesByCanonical[canonical] || [canonical];
@@ -183,7 +199,7 @@
       const li = lineStops[activeLineIdx];
       if (!li) {
           if (routeMapUrl) {
-              container.innerHTML = `<div class="tvm-overview tvm-animate"><div class="tvm-overview-frame"><img src="${routeMapUrl}" alt="线路图总览"><div class="jr-asset-credit">线路图署名：CC-BY 4.0</div></div></div>`;
+              container.innerHTML = `<div class="tvm-overview tvm-animate"><div class="tvm-overview-frame"><img src="${routeMapUrl}" alt="线路图总览">${buildCreditHtml(routeMapCredit, routeMapLicense)}</div></div>`;
           } else {
               container.innerHTML = '<div class="tvm-overview-empty">暂未选择线路，且暂无已上传线路图。</div>';
           }
@@ -388,6 +404,8 @@
           }
 
           routeMapUrl = (assetsData && assetsData.routeMap) ? buildAssetUrl(assetsData.routeMap, assetsData.updatedAt) : '';
+          routeMapCredit = assetsData ? String(assetsData.routeMapCredit || '') : '';
+          routeMapLicense = assetsData ? String(assetsData.routeMapLicense || 'CC BY 4.0') : 'CC BY 4.0';
           
           const fadeStyle = `<style>
             @keyframes tvmFadeIn {