购物车

2019-12-17 09:54:17 +08:00
parent 0925c24540
commit ed38614c2c
6 changed files with 37 additions and 16 deletions
--- a/components/shopping/shoppingitem/shoppingitem.js
+++ b/components/shopping/shoppingitem/shoppingitem.js
@@ -14,13 +14,28 @@ Component({
     * 组件的初始数据
     */
    data: {
-
+        num: 5
    },

    /**
     * 组件的方法列表
     */
    methods: {
+        rm() {
+            if (this.data.num == 0) {
+                return
+            } else {
+                this.setData({
+                    num: this.data.num - 1
+                })
+            }
+        },
+        add() {
+
+            this.setData({
+                num: this.data.num + 1
+            })
+        }

    }
 })