[图片] 我想问一下这种收货地址页面顶部的这条两种颜色相间的线是怎么弄出来的？是图片还是样式？有人知道嘛？

[图片]这个页面标题栏是自定义的，然后我想根据标题栏的高度和tabbar的高度得到中间内容scroll-view的高度，现在的问题是怎么获得tabbar的高度？（因为标题栏是自定义的，所以wx.getSystemInfoSync()获得的高度不是我想要的高度）

[图片][图片]

[图片] WXML：  <block wx:for="{{cateItems[curIndex].children}}" wx:key="{{index}}">           <view style="position:relative">             <view class="nav_right_items">               <text>{{item.name}}</text>               <text style="color:red">￥{{item.price}}/斤</text>             </view>             <view class="counts">               <text class="reduce {{status}}" bindtap="reduce" data-index="{{index}}">-</text>               <input class="number" value="{{item.num}}" data-index="{{index}}" bindinput="bindValue"></input>               <text class="add" bindtap="add" data-index="{{index}}">+</text>             </view>           </view>         </block> JS： data: {     arr: ["蔬菜","调味品","米类","面类","油类","干果类","水产类","肉类","杂粮类","冻货类","酒水类","芽菜类","烫菜类"],     index: 1,     currentTab: 0,     cateItems:[         {           cate_id:1,           cate_name:'根茎类',           children: [             {                child_id: 1,                name: '（皱皮）辣椒',               price: 6,               num:0             },              {                child_id: 2,                name: '黄皮洋葱',               price: 1.5,               num:0             },             {                child_id: 3,                name: '苦菊',               price: 3.5,               num:0              },             {                child_id: 4,                name: '蛋皮',               price: 6,               num:0             }           ]         },               curNav:1,       curIndex:0,       stasus:"disabled"   }, add:function(e){     let index = e.currentTarget.dataset.index;     var curIndex = this.data.curIndex;     var children = this.data.cateItems[curIndex].children[index];     console.log(children)     var num = children.num;     var status = num<1?"disabled":"normal";     num = num + 1;     console.log(num)     children.num = num;     this.setData({       num:num,       status:status     })     console.log(children)     console.log(num)   }, 我this.setData里面写的不对吗

稳定版 Stable Build (1.03.2009140)Win8 第一次安装微信开发者工具安装在了D盘，但是打开黑屏。于是我卸载重装在了C盘就可以打开了，这是为什么？