Home > Tutorials > PHP Tutorials

PHP local refresh iframe via IFRAME flush iframe src get elements in iframe

Source: Internet
Author: User
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞
Reg.html
The reg.html page has an IFRAME tag, which is used by the IFRAME to request PHP verification that the user name is available. 

<html><head><metacharset="Utf-8"><title>IFrame Local Refresh 
     title
 > 
     Head
 ><body><formMethod="POST"action= "">User name:<inputtype="text"id="uname"name= ' username ' /><spanid="msg"style="color:red;" > 
     span
 > 
     Form
 ><iframeBorder=' 0 'width=' 0 'height= ' 0 ' id=' myiframe ' > 
     iframe
 ><scripttype="Text/javascript">let the IFRAME request check_reg.php document.getElementById (' uname ') when the user name input box loses focus . onblur =   function(){if(this. Value! = ") {Document.getelementby          Id (' Myiframe '). src = ' check_reg.php?username= '+ this. value; }      }     
     Script
 > 
     Body
 > 
     HTML
 >

check_reg.php


    
     header("content-type:text/html;charset=utf-8");$username  = $_GET['username'];if($username == 'admin'){    $msg = '对不起，用户名已被使用！';}else{    $msg = '恭喜！该用户名可以使用。';}echo<<
     <>< span="">
      ?>
     <>

'). addclass (' pre-numbering '). Hide (); $ (this). addclass (' has-numbering '). Parent (). append ($numbering); for (i = 1; i <= lines; i++) {$numbering. Append ($ ('
  • '). Text (i)); }; $numbering. FadeIn (1700); }); });

    The above introduces PHP through the IFRAME to achieve local refresh, including the content of the IFRAME, I hope that the PHP tutorial interested in a friend helpful.

    • This article is an English version of an article which is originally in the Chinese language on aliyun.com and is provided for information purposes only. This website makes no representation or warranty of any kind, either expressed or implied, as to the accuracy, completeness ownership or reliability of the article or any translations thereof. If you have any concerns or complaints relating to the article, please send an email, providing a detailed description of the concern or complaint, to info-contact@alibabacloud.com. A staff member will contact you within 5 working days. Once verified, infringing content will be removed immediately.

    Related Keywords:
    php iframe example iframe php file php iframe alternative iframe php page php iframe code iframe w3school iframe host

    Contact Us

    The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

    If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

    What's Trending
    Top 10 Tags
    datastax versions naming convention zookeeper client class definition md5 microsoft sql server 2005 data structures exception handling error handling
    Top 10 Keywords
    microsoft download center down wordpress address url site address url wordpress address url windows installer 4 0 download 302 not found web address url definition site address url wordpress db2 integer mac os installation step by step pdf abbreviation for return

    A Free Trial That Lets You Build Big!

    Start building with 50+ products and up to 12 months usage for Elastic Compute Service

    Get Started for Free

    • Sales Support

      1 on 1 presale consultation

      Chat Contact Sales

    • After-Sales Support

      24/7 Technical Support 6 Free Tickets per Quarter Faster Response

      Open a Ticket

    • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.

      Learn More