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HomeBackend DevelopmentPHP TutorialSummary of relevant precautions for verification

During this period, we have modified the login function of our system. In order to be more secure, we have added a verification function for sending emails. When the user logs in, it is judged whether the login IP has been logged in before. If not, a verification code needs to be sent to the mailbox, and then the received verification code is entered before logging in. If the verification code is correct and the time does not exceed the specified time, you can Log in, and note the IP and time of this login. If you log in with this IP in the future, you will not need to verify it. If the time exceeds, the verification code becomes invalid and needs to be sent again. If there is a verification error and you cannot log in, you need to re-enter the verification code or send a new verification code to your email. In order to implement this function, I used the knowledge of how to send emails to the mailbox and obtain the login IP. Let’s sort it out so that you can check it out later. Sending emails: First, you need to download the compressed package of phpmail, then decompress it, and copy the decompressed file to the project. Import files into the project. Copy the code as follows: require("phpmailer/class.phpmailer.php"); //The path of the file depends on the path in your project

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Summary of relevant precautions for verification

## Introduction: During this period, we have modified the login function of our system. More secure, added verification function for sending emails. When the user logs in, it is judged whether the login IP has been logged in before. If not, a verification code needs to be sent to the mailbox, and then the received verification code is entered before logging in. If the verification code is correct and the time does not exceed the specified time, you can Log in, and note the IP and time of this login. If you log in with this IP in the future, you will not need to verify it. If the time exceeds, the verification code becomes invalid and needs to be sent again. If there is a verification error, you cannot log in. You need to re-enter the verification code, or send a new verification code...

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Summary of relevant precautions for verification

Introduction: One of the powerful features of yii2 is its Form component, which is both convenient and safe. Some friends feel that after using Yii for a while, it seems to be nothing but "difficult to understand" than TP. The leader arranged for a registration function, but this guy used Baidu's various good form styles, and Baidu's validate verification. I really felt sorry for this guy. Of course, without further ado, our focus is to use ActiveForm and how to implement custom validation rules. Let’s talk about the scenario first: Conditions: ①. There are two fields, A and B...

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Summary of relevant precautions for verification

Introduction: Verify the authenticity of the message. Add a filter to the project where the MVC Controller is located, and rewrite public in the filter. override void OnActionExecuting(ActionExecutingContext filterContext) method to create a new data model Note: When the server receives the message, it is no longer signature but msg_signature. HTTP request message example of WeChat server pushing message to server POST /cgi-bin...

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Summary of relevant precautions for verification

## Introduction: This article mainly introduces the AngularJS form verification function, and analyzes the operating steps, implementation techniques and related precautions of AngularJS form verification based on specific examples. Friends in need can refer to the examples in this article to describe the AngularJS form verification function. Share it with everyone for your reference, the details are as follows: Under the jurisdiction of AngularJS, each form form will create an instance of ngFormController. Each input in the form will create an ngModel under this instance...

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Summary of relevant precautions for verification

简介:合法的XML文档可有种意思,一个是良构文档(well-format),即符合XML规则书写的文档;另一种是有效文档,是已验证符合一个DTD的文档。1.基本语法规则XML是区分大小写的; 所有元素的起始和结束标注必须成对出现,且要正确嵌套; 如果使XML说明,则它必须是XML文档的第一行: &nb...

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Summary of relevant precautions for verification

简介:今天我们要学习的内容是如何利用Python生成一个随机的中文验证码,并将图片保存为.jpeg格式,需要的朋友可以参考下在这之前,你首先得了解Python中的PIL库。PIL是Python Imaging Library的简称,PIL是一个Python处理图片的库,提供了一系列模块和方法,比如:裁切,平移,旋转,改变尺寸等等。在PIL库中,任何一个图像都是用Image对象来表示的,所以要加载一张图片...

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Summary of relevant precautions for verification

简介:今天我们要学习的内容是如何利用Python生成一个随机的中文验证码,并将图片保存为.jpeg格式,需要的朋友可以参考下在这之前,你首先得了解Python中的PIL库。PIL是Python Imaging Library的简称,PIL是一个Python处理图片的库,提供了一系列模块和方法,比如:裁切,平移,旋转,改变尺寸等等。在PIL库中,任何一个图像都是用Image对象来表示的,所以要加载一张图片...

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Summary of relevant precautions for verification

简介:合法的XML文档可有种意思,一个是良构文档(well-format),即符合XML规则书写的文档;另一种是有效文档,是已验证符合一个DTD的文档。1.基本语法规则XML是区分大小写的; 所有元素的起始和结束标注必须成对出现,且要正确嵌套; 如果使XML说明,则它必须是XML文档的第一行: &nb...

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Summary of relevant precautions for verification

简介:mysql SQL服务器模式MySQL服务器可以以不同的SQL模式来操作,并且可以为不同客户端应用不同模式。这样每个应用程序可以根据自己的需求来定制服务器的操作模式。模式定义MySQL应支持哪些SQL语法,以及应执行哪种数据验证检查。这样可以更容易地在不同的环境中使用MySQL,并结合其它数据库服务器使用MySQL。你可以用--sql-mode="modes"选项启动mysql...

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Summary of relevant precautions for verification

简介:windows下使用IIS配置的PHP无法上传文件,一直是很多网友比较疑惑的地方,本人搜集整理下,希望可以帮助你们延续《Windows Server 2003中iis配置php》一文 服务器上使用Apache2+PHP正常运行,换成IIS+PHP,先后出现了php.ini的环境变量无法读取,php中验证码无法显示的问题,如今又有人反应无法上传图片的问题。从IIS替换Apache2的过程仅仅是开启I...

【相关问答推荐】:

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python 怎样随机生成中文字符?

laravel - Can the Google verification code be displayed when posting on laracasts.com?

python - Register google email to bypass Google mobile phone verification

java - How springBoot+spring security+Kaptcha implements image verification code

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