微信分享通用js
/**
* 微信分享
*/
var WXOptions = function() {
var rootPath = (function() {
var root = location.href.split("//")
var path = root[1].split("/")
return root[0] + '//' + path[0];
})()
/**
* 获取微信鉴权
*/
var getAuth = function() {
$.ajax({
url: '/web/wxshare/auth',
type: 'post',
data: JSON.stringify({url: location.href.split('#')[0]}),
dataType: 'json',
cache: false,
contentType: 'application/json;charset=utf-8',
async: false,
success: function(data) {
wxInit(data)
},
error: function(error) {
console.error("认证信息获取失败。", error)
}
})
}
var _this = this
/**
* 微信分享初始化
*
* @param data
*/
var wxInit = function(data) {
var defaultImgUrl = rootPath + '/web/home/images/wxshare.jpg'
var defaultDesc = ''
var defaultLink = location.href.split('#')[0]
var defaultTitle = '' + document.title
// 微信全局化配置
wx.config({
// debug: true,
appId: data.attach.appId,
timestamp: data.attach.timestamp,
nonceStr: data.attach.nonceStr,
signature: data.attach.signature,
// 必填，需要使用的JS接口列表，所有JS接口列表见附录2
jsApiList: [
'checkJsApi',
'updateTimelineShareData',
'updateAppMessageShareData'
]
});
wx.ready(function() {
// 朋友圈
// 缩略图将https 转成 http
wx.updateTimelineShareData({
title: !!_this.title ? _this.title : defaultTitle,
link: !!_this.link ? _this.link : defaultLink,
imgUrl: !!_this.imgUrl ? (rootPath.replace('https', 'http') + _this.imgUrl) : defaultImgUrl,
success: function () {},
cancel: function () {}
})
// 微信好友
// 缩略图将https 转成 http
wx.updateAppMessageShareData({
title: !!_this.title ? _this.title : defaultTitle,
desc: !!_this.desc ? _this.desc : defaultDesc,
link: !!_this.link ? _this.link : defaultLink,
imgUrl: !!_this.imgUrl ? (rootPath.replace('https', 'http') + _this.imgUrl) : defaultImgUrl,
success: function () {},
cancel: function () {}
})
})
}
/**
* 获取浏览器信息
*/
var getExplore = function() {
var ua = navigator.userAgent.toLowerCase()
return ua.match(/MicroMessenger/i) == 'micromessenger' ? true : false
}
/**
* 初始化方法
*
* @returns {WXOptions}
*/
this.init = function() {
try {
// 微信浏览器调用认证
if (getExplore()) {
getAuth()
}
} catch (e) {
console.error('初始化微信分享异常', e)
}
return this
}
}
// 标题
WXOptions.prototype.setTitle = function(title) {
this.title = title
return this
}
WXOptions.prototype.getTitle = function() {
return this.title
}
// 描述
WXOptions.prototype.setDesc = function(desc) {
this.desc = desc
return this
}
// 链接
WXOptions.prototype.setLink = function(link) {
this.link = link
return this
}
// 图片地址
WXOptions.prototype.setImgUrl = function(imgUrl) {
this.imgUrl = imgUrl
return this
}
// 全局变量
var wxOptions = new WXOptions()
$(function() {
var excludeTitles = ['', '']
if (!excludeTitles.includes(document.title)) {
wxOptions.init()
}
})
