微信小程序条码、二维码生成模块

爱被打了一巴掌 2022-05-11 07:40 322阅读 0赞

> 代码地址如下：  
> [http://www.demodashi.com/demo/13994.html][http_www.demodashi.com_demo_13994.html]

#### 一、前期准备工作 ####

软件环境：微信开发者工具  
官方下载地址：[https://mp.weixin.qq.com/debug/wxadoc/dev/devtools/download.html][https_mp.weixin.qq.com_debug_wxadoc_dev_devtools_download.html]

##### 1、基本需求。 #####

*  实现一维条码，二维码的快速生成

##### 2、案例目录结构 #####

![IVlrUQrCFEpXlIIG4fO.png][]

#### 二、程序实现具体步骤 ####

##### 1.条码index.wxml代码 #####

<view class="container page">
      <view class="panel">
        <view class="header">
        </view>
        <view class="barcode">
          <view class="barnum">{
       {code}}</view>
          <canvas canvas-id="barcode" />
        </view>
        <view class="qrcode">
          <canvas canvas-id="qrcode" />
        </view>
      </view>
    </view>

##### 2.条码index.wxss代码 #####

/**index.wxss**/
    page {
        background-color: #439057;
    }
    
    .page {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .container {
    	padding-bottom: 10rpx;
    }
    
    .panel {
        display: flex;
        flex-direction: column;
        justify-content: space-between;
        align-items: stretch;
        box-sizing: border-box;
        width: 710rpx;
        margin-top: 40rpx;
        border-radius: 10rpx;
        background-color: #fff;
    }
    
    .header {
        height: 140rpx;
        background-color: #f0f0f0;
        border-radius: 10rpx 10rpx 0 0;
    }
    
    .barcode {
        display: flex;
        height: 320rpx;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }
    
    .barnum {
        width: 670rpx;
        height: 100rpx;
        line-height: 100rpx;
        font-size: 38rpx;
        font-weight: bold;
        text-align: center;
        letter-spacing: 10rpx;
        white-space: nowrap;
    }
    
    .barcode > canvas {
        width: 680rpx;
        height: 200rpx;  
    }
    
    .qrcode {
        height: 420rpx;
        display: flex;
        flex-direction: column;
        justify-content: flex-end;
        align-items: center;
    }
    
    .qrcode > canvas {
        width: 420rpx;
        height: 420rpx;
    }

##### 3.条码index.js逻辑代码 #####

//index.js
    var wxbarcode = require('../../utils/index.js');
    
    Page({
    
        data: {
            code: 'http://blog.geekxz.com'
        },
    
        onLoad: function() {
            wxbarcode.barcode('barcode', 'http://blog.geekxz.com', 680, 200);
            wxbarcode.qrcode('qrcode', 'http://blog.geekxz.com', 420, 420);
        }
    })

#### 三、案例运行效果图 ####

![VcrTCbLQghrIqQKff1i.png][]

#### 四、总结与备注 ####

暂无  
微信小程序条码、二维码生成模块

> 代码地址如下：  
> [http://www.demodashi.com/demo/13994.html][http_www.demodashi.com_demo_13994.html]

> 注：本文著作权归作者，由demo大师发表，拒绝转载，转载需要作者授权

[http_www.demodashi.com_demo_13994.html]: http://www.demodashi.com/demo/13994.html
[https_mp.weixin.qq.com_debug_wxadoc_dev_devtools_download.html]: https://mp.weixin.qq.com/debug/wxadoc/dev/devtools/download.html
[IVlrUQrCFEpXlIIG4fO.png]: /images/20220511/777a1177c1034bf0800444d5aeaa9265.png
[VcrTCbLQghrIqQKff1i.png]: /images/20220511/dfc640a413054058ab1351f79b2c9cb0.png