改变为数字参数

pages/category/category.js

@@ -15,7 +15,7 @@ Page({
       title: '巴爷供销社 - ' + params.type,
       categoryType: params.type
     })
-    product.getCategories(params.type, function(result) {
+    product.getCategories(params.typeId, function(result) {
       var data = getApp().store.sync(result.data)
       that.setData({items: data})
       wx.setStorage({

pages/index/index.js

@@ -24,7 +24,7 @@ Page({
 
   catchTapCategory: function (e) {
     wx.navigateTo({
-      url: `../category/category?type=${e.currentTarget.dataset.type}`
+      url: `../category/category?type=${e.currentTarget.dataset.type}&typeId=${e.currentTarget.dataset.typeid}`
     })
   },
 

pages/index/index.wxml

@@ -11,7 +11,7 @@
 
     <view class="navs">
       <block wx:for-items="{{navs}}" wx:key="name">
-        <view class="nav-item" catchtap="catchTapCategory" data-type="{{item.typeId}}">
+        <view class="nav-item" catchtap="catchTapCategory" data-type="{{item.name}}" data-typeid="{{item.typeId}}">
           <image src="{{item.icon}}" class="nav-image"/>
           <text>{{item.name}}</text>
         </view>