Fix strategy checklist print closing too early.

Stop auto-closing the print tab on afterprint (short checklist pages were especially fragile), load print HTML via fetch into a blank window, and use CSS checkboxes instead of Unicode ballot boxes. Co-authored-by: Cursor <cursoragent@cursor.com>
2026-07-18 16:16:34 +08:00
parent faf21da955
commit 778a215ad7
4 changed files with 77 additions and 23 deletions
@@ -142,12 +142,41 @@
    renderTabs();
  }

-  function printSection(mode) {
+  async function printSection(mode) {
    const part = mode === "checklist" ? "checklist" : "doc";
    const url = `/api/strategy/${encodeURIComponent(activeKey)}/print?part=${encodeURIComponent(part)}`;
-    const w = window.open(url, "_blank", "noopener,noreferrer");
+    // 同步打开空白页保留用户手势;再 fetch 写入,避免 noopener 丢句柄 / 短页误关窗
+    const w = window.open("about:blank", "_blank");
    if (!w) {
      if (statusEl) statusEl.textContent = "请允许弹出窗口以打开打印预览";
+      return;
+    }
+    try {
+      w.document.write(
+        "<!DOCTYPE html><title>打印准备中…</title><body style=\"font-family:sans-serif;padding:24px;color:#222\">正在加载打印内容…</body>"
+      );
+      w.document.close();
+    } catch (_) {}
+    try {
+      const r = await fetch(url, { credentials: "same-origin" });
+      const html = await r.text();
+      if (!r.ok) {
+        throw new Error((html && html.slice(0, 120)) || r.statusText || "加载打印页失败");
+      }
+      w.document.open();
+      w.document.write(html);
+      w.document.close();
+      if (statusEl) statusEl.textContent = "";
+    } catch (e) {
+      const msg = String(e && e.message ? e.message : e);
+      try {
+        w.document.open();
+        w.document.write(
+          `<!DOCTYPE html><body style="font-family:sans-serif;padding:24px;color:#222">打印页加载失败: ${esc(msg)}</body>`
+        );
+        w.document.close();
+      } catch (_) {}
+      if (statusEl) statusEl.textContent = msg;
    }
  }