update;更新下拉刷新

FrontCode2/sunshine_levy/src/App.vue

@@ -18,17 +18,12 @@ export default {
     };
   },
   mounted() {
-    let app = document.querySelector("#app");
-    app.onclick = function(e) {
-      this.startValue = e.target.offsetTop;
+    document.body.ontouchstart = function(e) {
+      this.startValue = e.changedTouches[0].pageY;
     };
-    app.ontouchend = function(e) {
-      this.endValue = e.target.offsetTop;
-      if (
-        this.endValue - this.startValue > 0 ||
-        app.offsetTop > 0 ||
-        app.clientTop > 0
-      ) {
+    document.body.ontouchend = function(e) {
+      this.endValue = e.changedTouches[0].pageY;
+      if (this.endValue - this.startValue > 0) {
         window.location.reload();
       }
     };