Home > Developer > Web Develop

PHP access to data, additions and deletions change

Source: Internet
Author: User
Developer on Alibaba Coud: Build your first app with APIs, SDKs, and tutorials on the Alibaba Cloud. Read more ＞

Main Page

PHP//1. Making Connection Objects$db=NewMysqli ("localhost", "root", "123", "MyDB");//2. Determine if there is an error!Mysqli_connect_error() or die("Connection Failed! ");//3. Execute SQL statements$result=$db->query ("SELECT * from Info");//4. Reading data$attr=$result-Fetch_all ();foreach($attr  as $v){    $sex=$v[2]? ' Male ': ' Female '; //dealing with ethnic names    $sqln= "Select Name from Nation where code= ' {$v[3]} ' "; $rnation=$db->query ($sqln); $attrn=$rnation-Fetch_assoc (); Echo"<tr> <td>{$v[0]}</td> <td>{$v[1]}</td> <td>{$sex}</td> <td>{$attrn[' Name ']}</td> <td>{$v[4]}</td> <td> <a href= ' delete.php?code={$v[0]} ' > Delete </a> <a href= ' update.php?code={$v[0]} ' > Modify </a> </td> </tr>";}?>

Add data

add.php

Gender:<input type= "Radio" value= "male" name= "sex"/>male<input type= "Radio" value= "female" name= "sex"/>female</div> <div>Ethnicity:<select name= "Nation" > <?PHP$db=NewMysqli ("localhost", "root", "123", "MyDB"); $sql= "SELECT * FROM Nation"; $r=$db->query ($sql); $attr=$r-Fetch_all (); foreach($attr  as $v)            {                Echo"<option value= ' {$v[0]} ' >{$v[1]} </option> "; }                        ?> </select> </div> <div> Birthdays: <input type= "text" name= "Birthday"/></div> & Lt;div><input type= "Submit" value= "Add Data"/></div></form><div><a href= "main.php" > Main Page </a></div>

addchuli.php

<?PHP$code=$_post["Code"];$name=$_post["Name"];$sex=$_post["Sex"];$s= 1;if($sex= = "female"){    $s= 0;}$nation=$_post["Nation"];$birthday=$_post["Birthday"];$db=NewMysqli ("localhost", "root", "123", "MyDB");$sql= "INSERT into Info values (' {$code}‘,‘{$name}‘,{$s},‘{$nation}‘,‘{$birthday}‘)";$result=$db->query ($sql);if($result){    Header("location:Add.php");//Jump to add.php}Else{    Echo"Add failed! ";}

Delete data

delete.php

<?PHP$code=$_get["Code"];$db=NewMysqli ("localhost", "root", "123", "MyDB");$sql= "Delete from Info where Code = ' {$code}‘";$r=$db->query ($sql);if($r){    Header("location:main.php");}Else{    Echo"Delete failed!" ";}

Modify Home Page

update.php

<body>PHP$code=$_get["Code"];$db=NewMysqli ("localhost", "root", "123", "MyDB");$sinfo= "SELECT * from Info where code= ' {$code}‘";$r=$db->query ($sinfo);$arr=$r->fetch_row ();//all the information about this guy.? ><form action= "updatechuli.php" method= "POST" > <div><input type= "hidden" name= "code" value= "&LT;? PHP Echo$arr[0]?> "/></div> <div> name: <input type=" text "name=" name "value=" <?php Echo$arr[1]?> "/></div> <div>Gender:<input type= "Radio" value= "male" name= "sex" <?phpEcho $arr[2]? " Checked= ' checked ' ":" "?>/>male<input type= "Radio" value= "female" name= "sex" <?phpEcho $arr[2]? "": "checked= ' checked '"?>/>female</div> <div>Ethnicity:<select name= "Nation" > <?PHP$sql= "SELECT * FROM Nation"; $r=$db->query ($sql); $attr=$r-Fetch_all (); foreach($attr  as $v)            {                if($v[0] = =$arr[3])                {                    Echo"<option selected= ' selected ' value= ' {$v[0]} ' >{$v[1]} </option> "; }                Else                {                    Echo"<option value= ' {$v[0]} ' >{$v[1]} </option> "; }            }                        ?> </select> </div> <div> Birthdays: <input type= "text" name= "Birthday" value= "<?php Echo$arr[4]?> "/></div> <div><input type=" Submit "value=" Modify Data "/></div></form><div ><a href= "main.php" > Homepage </a></div></body>

updatechuli.php

<?PHP$code=$_post["Code"];$name=$_post["Name"];$sex=$_post["Sex"];$s= 1;if($sex= = "female"){    $s= 0;}$nation=$_post["Nation"];$birthday=$_post["Birthday"];$db=NewMysqli ("localhost", "root", "123", "MyDB");$sql= "Update Info set Name= ' {$name} ', sex={$s},nation= ' {$nation} ', birthday= ' {$birthday} ' where code= ' {$code}‘ ";$r=$db->query ($sql);if($r){    Header("location:main.php");}Else{    Echo"The modification failed!" ";}

PHP access to data, additions and deletions change

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 and access database php and access how to fetch data from database in php and display php and access database connection unable to change priority access denied change html to php php encrypt and decrypt data

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