vue項目中如何實現(xiàn)一個微信登錄功能？針對這個問題，這篇文章詳細(xì)介紹了相對應(yīng)的分析和解答，希望可以幫助更多想解決這個問題的小伙伴找到更簡單易行的方法。

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1、下載組件 wxlogin

npm install vue-wxlogin --save

2、引入組件，給組件傳參

3、重定向的url應(yīng)該是微信登錄官網(wǎng)中的微信授權(quán)作用域

4、如果url里面有端口號，微信授權(quán)作用里面也要有

5、重定向的url：需要在/tupian/20230522/pp7、如果報錯說不能從組件跳到頁面，那就找到wxlogin組件里面的iframe標(biāo)簽，加上這個屬性：sandbox=“allow-scripts allow-top-navigation allow-same-origin”

報錯內(nèi)容：

qrconnect?scope=snsapi_login&redirect_uri=http%3a%2f%2f%2f&state=&login_type=jssdk&self_redirect=false&style=black&href=:84 Unsafe JavaScript attempt to initiate navigation for frame with origin 'http://localhost:9020' from frame with URL 'https://open.weixin.qq.com/connect/qrconnect?app&scope=snsapi_login&redirect_uri=http%3a%2f%2f&state=&login_type=jssdk&self_redirect=false&style=black&href='. The frame attempting navigation is targeting its top-level window, but is neither same-origin with its target nor has it received a user gesture. See https://www.chromestatus.com/features/5851021045661696.```

補充知識：vue移動端微信授權(quán)登錄插件封裝

1.新建wechatAuth.js文件

const qs = require('qs')
//應(yīng)用授權(quán)作用域，snsapi_base （不彈出授權(quán)頁面，直接跳轉(zhuǎn)，只能獲取用戶openid），snsapi_userinfo （彈出授權(quán)頁面，可通過openid拿到昵稱、性別、所在地。并且，即使在未關(guān)注的情況下，只要用戶授權(quán)，也能獲取其信息）
const SCOPES = ['snsapi_base', 'snsapi_userinfo']

class VueWechatAuthPlugin {

 constructor () {
 this.appid = null
 this.redirect_uri = null
 this.scope = SCOPES[1]
 this._code = null
 this._redirect_uri = null
 }

 install (Vue, options) {
 let wechatAuth = this
 this.setAppId(options.appid)
 Vue.mixin({
 created: function () {
 this.$wechatAuth = wechatAuth
 },
 })

 }

 static makeState () {
 return Math.random().toString(36).substring(2, 15) +
 Math.random().toString(36).substring(2, 15)
 }

 setAppId (appid) {
 this.appid = appid
 }

 set redirect_uri (redirect_uri) {
 this._redirect_uri = encodeURIComponent(redirect_uri)
 }

 get redirect_uri () {
 return this._redirect_uri
 }

 get state () {
 return localStorage.getItem('wechat_auth:state')
 }

 set state (state) {
 localStorage.setItem('wechat_auth:state', state)
 }

 get authUrl () {
 if (this.appid === null) {
 throw 'appid must not be null'
 }
 if (this.redirect_uri === null) {
 throw 'redirect uri must not be null'
 }
 this.state = VueWechatAuthPlugin.makeState()
 return `https://open.weixin.qq.com/connect/oauth3/authorize?appid=${this.appid}&redirect_uri=${this.redirect_uri}&response_type=code&scope=${this.scope}&state=${this.state}#wechat_redirect`
 }

 returnFromWechat (redirect_uri) {
 let parsedUrl = qs.parse(redirect_uri.split('?')[1])
 if (process.env.NODE_ENV === 'development') {
 // console.log('parsedUrl: ', parsedUrl)
 this.state = null
 this._code = parsedUrl.code
 } else {
 if (this.state === null) {
 throw 'You did\'t set state'
 }
 if (parsedUrl.state === this.state) {
 this.state = null
 this._code = parsedUrl.code
 } else {
 this.state = null
 throw `Wrong state: ${parsedUrl.state}`
 }
 }
 }

 get code () {
 if (this._code === null) {
 throw 'Not get the code from wechat server!'
 }
 // console.log(this)
 // console.log('this._code: ' + this._code)
 let code = this._code
 this._code = null
 // console.log('code: ' + code)
 return code
 }
}

const vueWechatAuthPlugin = new VueWechatAuthPlugin()

if (typeof window !== 'undefined' && window.Vue) {
 window.Vue.use(VueWechatAuthPlugin)
}

export default vueWechatAuthPlugin

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