修改没有中奖人数时，换页按键的颜色

src/views/choujiang/hxl-cj/cj.vue

@@ -310,6 +310,13 @@ const openGetPrize = async () => {
   });
   let scroll = document.getElementById("prizeBar");
   //   scroll.style.height = "110px";
+
+  await nextTick();
+  if (totalPage.value == 1) {
+    const rightPageBtn = document.getElementById("rightPage");
+    rightPageBtn.style.cursor = "not-allowed";
+    rightPageBtn.style.background = "#ccc";
+  }
 };
 
 const closeGetPrize = () => {