fix: 大小王角标不显示 & 导出整副牌失效

backend/apps/exports/utils.py

@@ -363,14 +363,14 @@ def draw_back(canvas, design, asset):
     body_w = w - 2 * body_pad_x
     body_h = h - body_pad_y_top - body_pad_y_bot
 
+    if asset:
+        try:
             image_dx = float(design.get('image_dx', 0))
             image_dy = float(design.get('image_dy', 0))
             image_scale = float(design.get('image_scale', 1))
             offset_x = int(body_w * image_dx)
             offset_y = int(body_h * image_dy)
 
-    if asset:
-        try:
             img = asset.copy()
             if image_scale != 1:
                 sw = max(1, int(img.width * image_scale))

frontend/src/utils/cardRenderer.js

@@ -316,16 +316,25 @@ async function drawJokerBody(ctx, w, h, which, design, project) {
   const labelSize = Math.max(20, Math.round(w * 0.06))
   const textSize  = Math.max(16, Math.round(w * 0.045))
   const pad = Math.max(10, w * 0.04)
+
+  // 左上角标
   ctx.font = `bold ${labelSize}px ${design.font_family || 'Times New Roman'}, serif`
   ctx.fillText('JOKER', pad, pad)
   ctx.fillText(label, pad, pad + textSize + 4)
-  // 右下：旋转 180° 平移
+
+  // 右下角标
+  ctx.save()
   ctx.translate(w - pad, h - pad)
   ctx.rotate(Math.PI)
+  ctx.fillStyle = '#FFFFFF'
+  ctx.textAlign = 'left'
+  ctx.textBaseline = 'top'
   ctx.font = `bold ${labelSize}px ${design.font_family || 'Times New Roman'}, serif`
   ctx.fillText('JOKER', 0, 0)
   ctx.fillText(label, 0, textSize + 4)
   ctx.restore()
+
+  ctx.restore()
 }
 
 async function drawBackSide(ctx, w, h, design, project) {

frontend/src/views/Editor.vue

@@ -241,10 +241,13 @@ async function onNameBlur() {
 async function exportAll() {
   try {
     const r = await axios.post(`/api/projects/${project.value.id}/export/`,
-      { resolution: 'standard', cards: 'all' },
-      { responseType: 'blob' }
+      { resolution: 'standard', cards: 'all' }
     )
-    download(r.data, `${project.value.name || 'cards'}.zip`)
+    const { download_url, failed } = r.data
+    if (failed && failed.length > 0) {
+      alert('部分牌导出失败: ' + failed.map(f => f.card).join(', '))
+    }
+    window.open(download_url, '_blank')
   } catch (e) {
     alert('导出失败: ' + e.message)
   }