How to integrate third-party login function in uniapp

How to integrate third-party login function in uniapp

In today's social media era, third-party login function has become indispensable in many applications part. By integrating third-party login functions, users can use accounts on other platforms to quickly log in and use applications. This article will take uniapp as an example to introduce how to integrate the third-party login function in uniapp and provide specific code examples.

1. Create a third-party open platform application
   First, you need to register and create an application on the corresponding third-party open platform. Common third-party login platforms include WeChat, QQ, Weibo, etc. When you register your app, you will get the relevant app ID and key, which will be used in subsequent integrations.
2. Install uniapp third-party login plug-in
   Uniapp provides some commonly used third-party login plug-ins, through which we can quickly integrate third-party login functions. In the uniapp plug-in market, you can search for the corresponding login plug-in and install it.
3. Import plug-in
   In your uniapp project, find the manifest.json file of the project and add the plug-in configuration information there. The specific configuration method is as follows:

"permission": {
  "webview": {
    "domain": "yourdomain, yourdomain" // 添加第三方登录域名
  },
  "oauth": {
    "scopes": [
      "auth_user" // 添加所需要的登录权限
    ],
    "clientId": "yourAppId", // 替换为您的应用ID
    "authorize": "https://api.example.com/oauth/authorize", // 替换为授权地址
    "token": "https://api.example.com/oauth/access_token" // 替换为获取token地址
  }
}

4. Write the login button and related event processing logic
   In the uniapp page, add a button and write the relevant login in the click event of the button logic. In this login logic, you need to call the login interface provided by uniapp and pass in the corresponding parameters to complete the third-party login process.

<template>
  <button @tap="login">第三方登录</button>
</template>

<script>
export default {
  methods: {
    login() {
      uni.login({
        provider: 'oauth', // 替换为您使用的第三方平台名称
        success: (res) => {
          console.log('登录成功', res)
        },
        fail: (err) => {
          console.log('登录失败', err)
        }
      })
    }
  }
}
</script>

In the above code, we call the third-party login interface through the uni.login method and pass in the corresponding parameters. After successful login, login-related information can be obtained in the success callback function, such as the user's unique ID, avatar, nickname, etc.

5. Verify login credentials and obtain user information
   After successful login, you may also need to call the interface of the third-party platform through the login credentials to obtain the user's detailed information. This process will vary according to different third-party platforms, and you need to refer to the corresponding documentation to obtain it.

uni.checkSession({
  success: () => {
    // session_key 未过期，并且在本生命周期一直有效
    uni.getUserInfo({
      provider: 'oauth',
      success: (res) => {
        console.log('获取用户信息成功', res.userInfo)
      },
      fail: (err) => {
        console.log('获取用户信息失败', err)
      }
    })
  },
  fail: () => {
    // session_key 已经失效，需要重新执行登录流程
    console.log('登录凭证过期，重新登录')
  }
})

In the above code, we verify the validity of the login credentials through the uni.checkSession method. If the login credentials are valid, we can get the user's details through the uni.getUserInfo method.

Through the above steps, we have successfully integrated the third-party login function into uniapp. When the user clicks the login button, they can choose a third-party platform to log in and obtain the corresponding user information. In this way, you can easily use your existing third-party platform account to log in and use the application.

It should be noted that when integrating the third-party login function, you need to make the corresponding configuration and parameter settings according to the specific third-party platform documents. Each third-party platform may have different authorization addresses, token acquisition addresses, etc., and you need to replace them accordingly.

I hope this article will help you integrate the third-party login function in uniapp. I wish your application a better user experience and user growth!

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