修改 list-view.uvue direction值域

pages/component/list-view/list-view.uvue

@@ -10,7 +10,7 @@
         bounces_boolean: true,
         scroll_y_boolean: true,
         scroll_x_boolean: false,
-        scroll_direction: "y",
+        scroll_direction: "vertical",
         upper_threshold_input: 50,
         lower_threshold_input: 50,
         scroll_top_input: 0,
@@ -85,19 +85,19 @@
       change_bounces_boolean(checked : boolean) { this.bounces_boolean = checked },
       change_scroll_y_boolean(checked : boolean) {
         this.scroll_y_boolean = checked
-        change_scroll_direction()
+        this.change_scroll_direction()
       },
       change_scroll_x_boolean(checked : boolean) {
         this.scroll_x_boolean = checked
-        change_scroll_direction()
+        this.change_scroll_direction()
       },
       change_scroll_direction() {
         if(this.scroll_y_boolean && this.scroll_x_boolean || this.scroll_y_boolean) {
-          this.scroll_direction = "y"
+          this.scroll_direction = "vertical"
         } else if(!this.scroll_y_boolean && !this.scroll_x_boolean) {
           this.scroll_direction = "none"
         } else if(!this.scroll_y_boolean && this.scroll_x_boolean){
-          this.scroll_direction = "x"
+          this.scroll_direction = "horizontal"
         }
       },
       confirm_upper_threshold_input(value : number) { this.upper_threshold_input = value },