随着小程序的快速发展，越来越多的用户开始使用小程序来进行各种操作和交互。小程序的登录功能是用户使用小程序的重要入口之一，而在登录过程中，Token的有效期是非常重要的。如果Token过期了，用户将无法正常使用小程序的功能，因此解决小程序Token过期问题变得尤为重要。
As small programs rapidly develop, more and more users are beginning to use small programs for various kinds of operations and interactions. The small program login function is one of the important entry points for users to use small programs. Token’s validity is very important during the login process.
小程序Token是一种用于用户身份验证和权限控制的令牌。当用户登录小程序时，服务器会生成一个Token并返回给客户端，客户端将Token保存起来，以后的每次请求都需要携带这个Token，服务器通过验证Token的合法性来确定用户的身份和权限。
Token is a token for user identification and permission control. When a user logs in, the server generates and returns a Token to the client, the client saves Token, who is required to carry this Token for each subsequent request, and the server determines the user's identity and rights by verifying the Token's legitimacy.
小程序Token的有效期是由服务器设置的，一般为一段时间，例如1小时或1天。在有效期内，用户可以正常使用小程序的功能，但如果Token过期了，用户需要重新登录以获取新的Token。
The period of validity of the small program Token is set by the server, usually for a period of time, such as one hour or one day.
当小程序Token过期时，用户将无法进行需要身份验证的操作，例如发表评论、下单购买等。小程序需要及时提示用户Token已过期，并引导用户重新登录。
When the applet Token expires, the user will not be able to perform operations that require authentication, such as comments, purchase orders, etc. The applet will need to alert the user Token to expire in a timely manner and guide the user to re-entry.
当用户在小程序中遇到Token过期的情况时，可以按照以下步骤重新登录获取新的Token：
When a user encounters an expiry of Token in a small program, the new Token can be re-logged as follows:
1. 提示用户Token已过期：当小程序发现用户的Token已过期时，应该及时向用户展示一个提示框或页面，告知用户Token已失效。
1. Remind the user Token to expire: When the applet discovers that the user's Token has expired, a reminder box or page should be displayed to the user in time to inform the user that the user's Token has expired.
2. 引导用户重新登录：在提示用户Token过期后，小程序应该提供一个重新登录的入口，例如一个按钮或链接。用户点击该入口后，进入登录页面。
Guides the user to re-entry: After alerting the user to Token to expire, the applet should provide an entry for re-entry, such as a button or link. After the user clicks on the entrance, enter the login page.
3. 用户重新输入账号密码：在登录页面，用户需要重新输入账号和密码进行身份验证。小程序可以提供一个表单，用户填写完账号密码后，点击登录按钮。
3. User re-enters the account password: on the login page, the user needs to re-enter the account number and password for authentication. The applet can provide a form, and the user then clicks on the login button after completing the account password.
4. 后台验证账号密码：小程序的后台服务器会接收到用户输入的账号密码，然后进行验证。如果验证通过，服务器会生成一个新的Token，并返回给客户端。
4. Backstage authentication of account passwords: The user-inmitted account password will be received by the small program backstage server and then validated. If the authentication passes, the server will generate a new Token and return to the client.
5. 保存新的Token：客户端收到新的Token后，需要将其保存起来，以便在以后的请求中携带新的Token进行身份验证。
5. Preservation of the new Token: Once the client receives the new Token, it needs to be saved in order to carry the new Token for identification in a subsequent request.
6. 返回原操作页面：用户重新登录成功后，小程序应该自动返回到用户原本的操作页面，以便用户可以继续之前的操作。
6. Return to the original operating page: Once the user has successfully re-logged, the applet should automatically return to the user's original operating page so that the user can continue the previous operation.
小程序Token过期是一个常见的问题，但通过合理的提示和引导，用户可以很方便地重新登录获取新的Token。小程序开发者需要在开发过程中充分考虑到Token过期问题，并为用户提供良好的使用体验。
Small program developers need to take full account of Token expirations in the development process and provide users with a good use experience.
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