add

src/components/rateInput.vue

@@ -123,6 +123,26 @@ export default {
       event.target.type = 'text'
       this.focused = false
     },
+    // 取窗口可视范围的高度
+    getClientHeight () {
+      var clientHeight = 0
+      if (document.body.clientHeight && document.documentElement.clientHeight) {
+        clientHeight = (document.body.clientHeight < document.documentElement.clientHeight) ? document.body.clientHeight : document.documentElement.clientHeight
+      } else {
+        clientHeight = (document.body.clientHeight > document.documentElement.clientHeight) ? document.body.clientHeight : document.documentElement.clientHeight
+      }
+      return clientHeight
+    },
+    // 取窗口滚动条高度
+    getOffsetTop (obj) {
+      var tmp = obj.offsetTop
+      var node = obj.offsetParent
+      while (node != null) {
+        tmp += node.offsetTop
+        node = node.offsetParent
+      }
+      return tmp
+    },
   },
 }
 </script>