How to set up WeChat customization in vue

For developing WeChat public accounts in Vue projects, WeChat custom settings are required to adapt to the interface and functions of WeChat public accounts. This article will introduce how to customize WeChat settings in the Vue project to make your program more suitable for the development of WeChat public accounts.

1. Set up the WeChat JS SDK

First, you need to register an official account on the WeChat public platform and obtain the official account’s unique identification (AppID) and secret key (AppSecret). Then introduce the WeChat JS SDK interface into index.html of the Vue project.

<script src="//res.wx.qq.com/open/js/jweixin-1.2.0.js"></script>

Create a global wechat.js file in the Vue project and write the configuration code:

import wx from 'weixin-js-sdk';

const wechatConfig = {
  debug: false, // 调试模式，设置为true后会进行微信调试 
  appId: '', // 公众号AppID, 必填 
  timestamp: '', // 生成签名的时间戳，必填 
  nonceStr: '', // 生成签名的随机串，必填 
  signature: '', // 签名，必填 
  jsApiList: [] // 必填，需要使用的JS接口列表 
};

/**
 * 获取微信配置
 * @return {Promise}
*/
function getConfig() {
  return new Promise((resolve, reject) => {
    const url = window.location.href.split('#')[0];
    const data = {
      url: url
    };

    axios.post(YOUR_SERVER_API, data).then((result) => {
      const data = result.data;
      wx.config({
        beta: true,
        debug: wechatConfig.debug,
        appId: wechatConfig.appId,
        timestamp: wechatConfig.timestamp,
        nonceStr: wechatConfig.nonceStr,
        signature: wechatConfig.signature,
        jsApiList: wechatConfig.jsApiList
      });
      wx.ready(() => {
        resolve();
      });
    }).catch(() => {
      reject();
    });
  });
}

export default {
  getConfig
}

Explain the code:

• line 1-2: Introduction WeChat JS SDK.
• line 4-14: Create an object weixinConfig, including the AppID of the official account, the timestamp for generating the signature, the random string for generating the signature, the signature and the list of JS interfaces that need to be used.
• line 16-28: Create a function getConfig, and use the axios.post method within the function to initiate a request to the backend server to obtain the signature configuration information of the official account. After obtaining the configuration information, call the wx.config method to configure WeChat.
• line 30-35: The getConfig method is exposed to the outside world for other modules to call in order to obtain the WeChat JS SDK configuration information.

2. Interface Calling

The method of calling the WeChat interface in the Vue project is basically the same as the calling method in the ordinary web page. You only need to use Vue's life cycle and event mechanism coordination. Just a good time.

Take sharing to WeChat Moments in a Vue project as an example:

In the Vue component, use the created life cycle to call the getConfig method to configure the WeChat JS SDK to prepare to use the WeChat interface.

import wechatConfig from 'wechatConfig';

export default {
  data() {
    return {
      shareData: {
        title: '', // 分享标题
        desc: '', // 分享描述
        link: '', // 分享链接
        imgUrl: '' // 分享图标
      }
    };
  },
  created() {
    wechatConfig.getConfig().then(() => {
      wx.checkJsApi({ 
        jsApiList: ['onMenuShareTimeline', 'onMenuShareAppMessage', 'onMenuShareQQ', 'onMenuShareWeibo'], // 需要检测的JS接口列表
        success: (res) => { 
          console.log(res.errMsg) // 验证成功后的操作
        } 
      });
    });
  },
  methods: {
    wxShareFriendsCircle() {
      wx.onMenuShareTimeline({
        title: this.shareData.title, // 分享标题 
        link: this.shareData.link, // 分享链接 
        imgUrl: this.shareData.imgUrl, // 分享图标 
        success: () => {
          console.log('分享成功');
        },
        cancel: () => {
          console.log('取消分享');
        }
      });
    }
  }
}

Explain the code:

• line 1-2: Introduce WeChat custom configuration file wechatConfig.
• line 6-15: Create a data object, including the shared title, description, link, and icon.
• line 17-23: Using the created life cycle, when the Vue instance is created, the getConfig method is automatically called for WeChat JS SDK configuration. After the configuration is complete, use the wx.checkJsApi method to check whether the required JS interface is available.
• line 26-34: Create the wxShareFriendsCircle method and register it on the click event in the Vue component. When the user opens the page and clicks the share button, the wx.onMenuShareTimeline method is called to complete the sharing related operations.

Summary:

This article introduces how to set up WeChat customization in the Vue project to adapt to the interface and functions of the WeChat official account. Methods include setting up WeChat JS SDK, calling WeChat interface, etc. I hope this article can provide reference help for novices.

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