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PHP to the database to implement simple additions and deletions (pure code, to be perfected), PHP additions and deletions _php tutorial

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PHP to the database to achieve simple additions and deletions (pure code, to be perfect), PHP additions and deletions


Php $con= mysql_connect("localhost:3306", "Root", "" " ); if(! $con ) { die(' Could not connect: '. Mysql_error ()); } mysql_select_db("Test", $con ); $result= mysql_query("SELECT * from User" ); Echo" ; while $row Mysql_fetch_array $result ) { echo; Echo ; Echo ; Echo ; } Echo "( = ( " " " " " " " " "
Username Password
" . $row [' username ']. "" . $row [' Password ']. "
"; Mysql_close ($con);? > Get all user information from the server (SQL SELECT statement) and appear in a tabular format

PHP

$con= mysql_connect("localhost", "root", "" " ); if(! $con ) { die(' Could not connect: '. Mysql_error ()); } mysql_select_db("Test", $con ); mysql_query("DELETE from user WHERE username = ' $_post[Username] ' " ); Mysql_close( $con );?> Delete all information for this user delete.php

Php $con= mysql_connect("localhost:3306", "Root", "" " ); if(! $con ) { die(' Could not connect: '. Mysql_error ()); } mysql_select_db("Test", $con ); $sql= " INSERT into User (Username,password) VALUES (' $_post[Username] ', ' $_post[Password] ') " ; if(! mysql_query( $sql, $con )) { die(' Error: '. Mysql_error ()); } Echo"1 record added" ; Mysql_close( $con );?> register a new user insert.php

Php $con= mysql_connect("localhost", "root", "" " ); if(! $con ) { die(' Could not connect: '. Mysql_error ()); } mysql_select_db("Test", $con ); mysql_query("UPDATE user SET password = ' $_post[Password] ' WHERE username = ' $_post[Username] ' " ); Mysql_close( $con );?> Modify a user password update.php

< HTML > < Head > < title >FORM title> Head> <Body> <BR/> <H1>Insert: H1> <formAction= "insert.php"Method= "POST">Username:<inputtype= "Name"name= "username"/> <BR/>Password:<inputtype= "Password"name= "Password"/> <inputtype= "Submit"value= "Submit"/> form> <BR/><HR/><BR/> <H1>Delete H1> <formAction= "delete.php"Method= "POST">Username:<inputtype= "Name"name= "username" /> <BR/>Is you sure?<inputtype= "Submit"value= "Sure" /> form> <BR/><HR/><BR/> <H1>Update H1> <formAction= "update.php"Method= "POST">Username:<inputtype= "Name"name= "username"/> <BR/>You want to change your password into:<inputtype= "Password"name= "Password"/> <inputtype= "Submit"value= "Submit"/> !-- form ; < BR />< HR />< BR /> !-- Body ; !-- HTML ; above three features submit source operate.html

http://www.bkjia.com/phpjc/1030847.html Span id= "Indexurl" itemprop= "Indexurl" >www.bkjia.com true http://www.bkjia.com/phpjc/1030847.html techarticle

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    Related Keywords:
    php submit form to database and email php and database tutorial how to check username and password in php from database how to match username and password in php from database how to fetch data from database in php and display php code to connect to database php code to connect to phpmyadmin database

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