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:
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:
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"
}
}
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。
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
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"
}
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。
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: [
'http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg',
'http://img06.tooopen.com/images/20160818/tooopen_sy_175866434296.jpg',
'http://img06.tooopen.com/images/20160818/tooopen_sy_175833047715.jpg'
],
},
})
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: [
'../../images/adv_50.png',
'../../images/adv_60.png',
'../../images/adv_80.png'
],
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='function_container'>
<view class='function_item' wx:for="{{functions}}" wx:for-index="idx" wx:for-item="function">
<image class='function_img' src='{{function.pic_url}}'/>
<view class='function_name'>{{function.name}}</view>
</view>
</view>
function.js
functions: [
{
"name": "刷卡消费",
"pic_url": '../../images/icon_consume.png'
},
{
"name": "提现",
"pic_url": '../../images/icon_withdrawals.png'
},
{
"name": "交易记录",
"pic_url": '../../images/icon_records.png'
},
{
"name": "实名认证",
"pic_url": '../../images/icon_auth.png'
},
{
"name": "飞机票",
"pic_url": '../../images/icon_airplane.png'
},
{
"name": "火车票",
"pic_url": '../../images/icon_train.png'
},
{
"name": "手机充值",
"pic_url": '../../images/icon_phone_recharge.png'
},
{
"name": "水电煤",
"pic_url": '../../images/icon_water.png'
}
]
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
}
<!--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='function_container'> <view class='function_item' wx:for="{{functions}}" wx:for-index="idx" wx:for-item="function"> <image class='function_img' src='{{function.pic_url}}'/> <view class='function_name'>{{function.name}}</view> </view> </view> <view class='divider' /> <view class='specialities_layout'> <view class='view_divider' /> <text class="specialities_text">特色业务</text> </view> <image class='bottom-image' src='../../images/app_banner.jpg'/> </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: [ // 'http://img02.tooopen.com/images/20150928/tooopen_sy_143912755726.jpg', // 'http://img06.tooopen.com/images/20160818/tooopen_sy_175866434296.jpg', // 'http://img06.tooopen.com/images/20160818/tooopen_sy_175833047715.jpg' // ], imgUrls: [ '../../images/adv_50.png', '../../images/adv_60.png', '../../images/adv_80.png' ], functions: [ { "name": "刷卡消费", "pic_url": '../../images/icon_consume.png' }, { "name": "提现", "pic_url": '../../images/icon_withdrawals.png' }, { "name": "交易记录", "pic_url": '../../images/icon_records.png' }, { "name": "实名认证", "pic_url": '../../images/icon_auth.png' }, { "name": "飞机票", "pic_url": '../../images/icon_airplane.png' }, { "name": "火车票", "pic_url": '../../images/icon_train.png' }, { "name": "手机充值", "pic_url": '../../images/icon_phone_recharge.png' }, { "name": "水电煤", "pic_url": '../../images/icon_water.png' } ] }, //事件处理函数 bindViewTap: function () { wx.navigateTo({ url: '../logs/logs' }) }, onLoad: function () { console.log('onLoad') 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() }) } })
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
以上就是分享给新手的页面搭建的源码内容。希望对大家有帮助
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