微信小程序案例详解：页面搭建-Pembangunan program mini-php.cn

本文通过一个实际例子，来讲解如何进行微信小程序的页面搭建。首先看一下本文要实现的页面效果：

微信小程序案例详解：页面搭建

开发工具下载：微信官方有开发者工具，集成了开发调试、代码编辑及程序发布等功能。
微信小程序架构：

微信小程序案例详解：页面搭建

这个就是程序的基本架构。最关键也是必不可少的，是 app.js、app.json、app.wxss 这三个。其中，.js后缀的是脚本文件，.json后缀的文件是配置文件，.wxss后缀的是样式表文件。
底部标签底部标签是一个tabBar。实现比较简单，只需要简单配置一下即可。 app.json

{
  "pages":[
    "pages/function/function",
    "pages/pay/pay",
    "pages/account/account",
    "pages/index/index",
    "pages/logs/logs"
  ],
  "tabBar":{
    "color": "#464a56",
    "selectedColor": "#6595e9",
    "backgroundColor": "#FFFFFF",
    "borderStyle": "white",
    "list": [{
        "pagePath": "pages/function/function",
        "text": "功能",
        "iconPath": "images/tab_function_default.png",
        "selectedIconPath": "images/tab_function_sel.png"
    },{
        "pagePath": "pages/pay/pay",
        "text": "收款",
        "iconPath": "images/tab_consume_default.png",
        "selectedIconPath": "images/tab_consume_sel.png"
    },{
        "pagePath": "pages/account/account",
        "text": "账户",
        "iconPath": "images/tab_account_default.png",
        "selectedIconPath": "images/tab_account_sel.png"
    }]
  },
  "window":{
    "navigationBarBackgroundColor": "#6595e9",
    "navigationBarTextStyle":"white",
    "navigationBarTitleText": "V50",
    "backgroundColor": "#eeeeee",
    "backgroundTextStyle":"light"
  }
}

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值得注意的地方，就是 pages 接受一个数组，每一项都是字符串，来指定小程序由哪些页面组成。每一项代表对应页面的【路径+文件名】信息，数组的第一项代表小程序的初始页面。
小程序中新增/减少页面，都需要对 pages 数组进行修改。
文件名不需要写文件后缀，因为框架会自动去寻找路径.json, .js , .wxml, .wxss的四个文件进行整合。
页面标题：

页面标题这个标题如何实现？我们翻看一下官方文档。

微信小程序案例详解：页面搭建

看到这里，你应该就知道了，需要在指定页面的json文件中进行页面配置。继续查看官方的文档

微信小程序案例详解：页面搭建

原来如此！我们只需要把所有页面通用的配置放在 page.json，然后在各个page的 .json文件里面配置每个页面特有的属性即可。因为在上面的 app.json 中已经配置了通用页面的 window属性了，我们只需要在function.json中配置页面标题即可：

{
     "navigationBarTitleText": "功能"   
   }

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轮播图
接下来实现顶部的轮播图。微信提供了一个swiper组件来实现轮播图。

微信小程序案例详解：页面搭建

代码也就出来了：function.wxml

<swiper indicator-dots="{{indicatorDots}}"
    autoplay="{{autoplay}}" interval="{{interval}}" duration="{{duration}}">
    <block wx:for="{{imgUrls}}">
      <swiper-item>
        <image src="{{item}}" class="slide-image" />
      </swiper-item>
    </block>
</swiper>
function.js

//function.js
Page({
  data: {
    indicatorDots: true,
    autoplay: true,
    interval: 5000,
    duration: 1000,
    imgUrls: [
       &#39;http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg&#39;,
       &#39;http://img06.tooopen.com/images/20160818/tooopen_sy_175866434296.jpg&#39;,
       &#39;http://img06.tooopen.com/images/20160818/tooopen_sy_175833047715.jpg&#39;
     ],  
  },
})

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没错，微信小程序的轮播图就是这么简单！在这里可能有的同学要问了：“轮播图的图片用的是url地址，如果我想用本地的图片呢？能不能实现？ ”
这个官方文档没有介绍，但是我们经过测试，是可以实现的。代码如下

imgUrls: [
    &#39;../../images/adv_50.png&#39;,
    &#39;../../images/adv_60.png&#39;,
    &#39;../../images/adv_80.png&#39; 
],

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中间功能模块
中间的8个功能模块，类似Android的GridView效果。本文采取循环的方式来实现：function.wxml

<view class=&#39;function_container&#39;>
    <view class=&#39;function_item&#39; wx:for="{{functions}}" wx:for-index="idx" wx:for-item="function">
        <image class=&#39;function_img&#39; src=&#39;{{function.pic_url}}&#39;/> 
        <view class=&#39;function_name&#39;>{{function.name}}</view>
    </view>
  </view>
function.js

functions: [
      {
        "name": "刷卡消费",
        "pic_url": &#39;../../images/icon_consume.png&#39;
      },
      {
        "name": "提现",
        "pic_url": &#39;../../images/icon_withdrawals.png&#39;
      },
      {
        "name": "交易记录",
        "pic_url": &#39;../../images/icon_records.png&#39;
      },
      {
        "name": "实名认证",
        "pic_url": &#39;../../images/icon_auth.png&#39;
      },
      {
        "name": "飞机票",
        "pic_url": &#39;../../images/icon_airplane.png&#39;
      },
      {
        "name": "火车票",
        "pic_url": &#39;../../images/icon_train.png&#39;
      },
      {
        "name": "手机充值",
        "pic_url": &#39;../../images/icon_phone_recharge.png&#39;
      },
      {
        "name": "水电煤",
        "pic_url": &#39;../../images/icon_water.png&#39;
      }
    ]
function.wxss

/**function.wxss**/
.container {
    height: 650px;
}
.slide-image{
    display: block;
    height: 280rpx;
    width:100%
}
.function_container{
    display:flex;
    flex-wrap: wrap;
    width:100%;
}
.function_item{
    width:25%;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    font-size:12px;
    box-sizing:border-box;
    padding-bottom:10px;
    padding-top:10px
}
.function_img{
    width:60px;
    height:60px;
}
.function_name{
    padding-top:10px
}

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这里通过width:25% 来实现每行排列四个功能按钮的效果。
完整代码
下面的布局就比较简单了，直接上完整的代码了：function.wxml

<!--function.wxml-->
<scroll-view scroll-y="true" class="container">
  <swiper indicator-dots="{{indicatorDots}}"
    autoplay="{{autoplay}}" interval="{{interval}}" duration="{{duration}}">
    <block wx:for="{{imgUrls}}">
      <swiper-item>
        <image src="{{item}}" class="slide-image" />
      </swiper-item>
    </block>
  </swiper>

  <view class=&#39;function_container&#39;>
    <view class=&#39;function_item&#39; wx:for="{{functions}}" wx:for-index="idx" wx:for-item="function">
        <image class=&#39;function_img&#39; src=&#39;{{function.pic_url}}&#39;/> 
        <view class=&#39;function_name&#39;>{{function.name}}</view>
    </view>
  </view>

  <view class=&#39;divider&#39; />

  <view class=&#39;specialities_layout&#39;>
      <view class=&#39;view_divider&#39; />
      <text class="specialities_text">特色业务</text>
  </view>
  <image class=&#39;bottom-image&#39; src=&#39;../../images/app_banner.jpg&#39;/> 
</scroll-view>
function.wxss

/**function.wxss**/
.container {
    height: 650px;
}
.slide-image{
    display: block;
    height: 280rpx;
    width:100%
}
.function_container{
    display:flex;
    flex-wrap: wrap;
    width:100%;
}
.function_item{
    width:25%;
    display:flex;
    flex-direction:column;
    justify-content:center;
    align-items:center;
    font-size:12px;
    box-sizing:border-box;
    padding-bottom:10px;
    padding-top:10px
}
.function_img{
    width:60px;
    height:60px;
}
.function_name{
    padding-top:10px
}
.divider{
    background: #f5f5f5;
    height: 40rpx;
    width:100%;
}
.specialities_layout{
    display:flex;
    flex-wrap: wrap;
    width:100%;
    flex-direction:row;
    margin-left: 16px;
    margin-top:16px;
    margin-bottom: 16px;
}
.view_divider{
    background: #EEA9B8;
    height: 40rpx;
    width:10rpx;
}
.specialities_text {
    margin-left: 8px;
    font-size: 16px;
    height: auto;
    width:auto;
    margin-top: 6rpx;
}
.bottom-image{
    height: 280rpx;
    width:100%;
}
.Absolute-Center {
  margin: auto;
  position: absolute;
  top: 0; left: 0; bottom: 0; right: 0;
}
function.js

//function.js
//获取应用实例
var app = getApp()
Page({
  data: {
    userInfo: {},
    indicatorDots: true,
    autoplay: true,
    interval: 5000,
    duration: 1000,
    // imgUrls: [
    //   &#39;http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg&#39;,
    //   &#39;http://img06.tooopen.com/images/20160818/tooopen_sy_175866434296.jpg&#39;,
    //   &#39;http://img06.tooopen.com/images/20160818/tooopen_sy_175833047715.jpg&#39;
    // ],
    imgUrls: [
      &#39;../../images/adv_50.png&#39;,
      &#39;../../images/adv_60.png&#39;,
      &#39;../../images/adv_80.png&#39;
    ],
    functions: [
      {
        "name": "刷卡消费",
        "pic_url": &#39;../../images/icon_consume.png&#39;
      },
      {
        "name": "提现",
        "pic_url": &#39;../../images/icon_withdrawals.png&#39;
      },
      {
        "name": "交易记录",
        "pic_url": &#39;../../images/icon_records.png&#39;
      },
      {
        "name": "实名认证",
        "pic_url": &#39;../../images/icon_auth.png&#39;
      },
      {
        "name": "飞机票",
        "pic_url": &#39;../../images/icon_airplane.png&#39;
      },
      {
        "name": "火车票",
        "pic_url": &#39;../../images/icon_train.png&#39;
      },
      {
        "name": "手机充值",
        "pic_url": &#39;../../images/icon_phone_recharge.png&#39;
      },
      {
        "name": "水电煤",
        "pic_url": &#39;../../images/icon_water.png&#39;
      }
    ]
  },
  //事件处理函数
  bindViewTap: function () {
    wx.navigateTo({
      url: &#39;../logs/logs&#39;
    })
  },
  onLoad: function () {
    console.log(&#39;onLoad&#39;)
    var that = this
    //调用应用实例的方法获取全局数据
    app.getUserInfo(function (userInfo) {
      //更新数据
      that.setData({
        userInfo: userInfo
      })
      that.update()
    })
  }
})

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