rename chapter/lesson

Html/apps/static/js/modelinput.js

@@ -45,24 +45,43 @@
     const cancelBtn = title_change_modal.querySelector('#cancel-btn');
     const errBox = title_change_modal.querySelector('#title-error');
     const prevFocus = document.activeElement;
-
+    const setLoading = (on) => {
+      okBtn.disabled = on;
+      cancelBtn.disabled = on;
+      okBtn.textContent = on ? '保存中…' : '确定';
+    };
     const close = () => {
       document.body.removeChild(backdrop);
       if (prevFocus && prevFocus.focus) prevFocus.focus();
     };
 
     const submit = () => {
-      const raw = input.value;
-      const result = onSubmit ? onSubmit(raw) : { ok: true };
-      if (result && result.ok) {
-        close();
-      } else if (result && result.message) {
-        errBox.textContent = result.message;
-        input.setAttribute('aria-invalid', 'true');
-        input.focus();
-      }
+      errBox.textContent = '';
+      setLoading(true);
+  
+      const maybePromise = onSubmit ? onSubmit(input.value) : { ok: true };
+  
+      Promise
+        .resolve(maybePromise)
+        .then(result => {
+          if (result && result.ok) {
+            close();
+          } else {
+            // 显示错误但不关闭
+            const msg = result && result.message ? result.message : '提交失败';
+            errBox.textContent = msg;
+            input.setAttribute('aria-invalid', 'true');
+            input.focus();
+          }
+        })
+        .catch(err => {
+          console.error('Submit error:', err);
+          errBox.textContent = '提交异常，请稍后再试';
+          input.setAttribute('aria-invalid', 'true');
+          input.focus();
+        })
+        .finally(() => setLoading(false));
     };
-
     okBtn.addEventListener('click', submit);
     cancelBtn.addEventListener('click', close);
     backdrop.addEventListener('click', (e) => {