app/static/js/read.js

@@ -3,6 +3,7 @@ var Reader = (function() {
     let current_position = 0;
     let original_position = 0;
     let to_speak = "";
+    let current_rate = 1; // 添加这一行，设置默认速率为 1
 
     function makeUtterance(str, rate) {
         let msg = new SpeechSynthesisUtterance(str);
@@ -24,12 +25,24 @@ var Reader = (function() {
         reader.speak(msg);
     }
 
+    function updateRate(rate) {
+        // 停止当前的朗读
+        stopRead();
+
+        // 更新当前速率
+        current_rate = rate;
+
+        // 重新开始朗读
+        read(to_speak, current_rate);
+    }
+
     function stopRead() {
         reader.cancel();
     }
 
     return {
         read: read,
-        stopRead: stopRead
+        stopRead: stopRead,
+        updateRate: updateRate // 添加这一行，将 updateRate 方法暴露出去
     };
 }) ();

app/templates/userpage_get.html

@@ -420,6 +420,12 @@
 
     savedArticlesDropdown.selectedIndex = -1;
 }
+
+    document.getElementById('rangeComponent').addEventListener('input', function() {
+    var rate = this.value;
+    Reader.updateRate(rate);
+});
+
 </script>
 </body>
 <style>