This article introduces how to pass values between PHP, HTML, JavaScript, and MySQL code. If you need to learn more, refer
1. PHP
A. PHP-> HTML & JavaScript
The amount is too simple. I want to write = ~
Html code
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<Input type = "" readonly = "readonly" style = 'background-color: # DCDCDC 'value = <? Php echo $ perinfo [ID];?> /> |
JavaScript code
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<Script type = "text/javascript"> Var ability = <? Php echo JSON ($ array);?>; </Script> |
B. PHP <-> MySQL
Php code
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<? Php $ Dbcnx = @ mysql_connect ("localhost", "root", "1234 "); If (! $ Dbcnx ){ Echo ("Unable to connect to the". "database server at this time ."); Exit (); }
If (! @ Mysql_select_db ("pms ")){ Echo ("Unable to locate the joke". "database at this time ."); Exit (); } Mysql_query ("set names 'gb2312 '"); $ Q = mysql_query ("select * from ability where ALV = 1 "); While ($ row = mysql_fetch_array ($ q )){ $ Array1 [] = $ row [AName]; } ?>
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2. HTML
A. HTML-> PHP (POST Mode)
Html code
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<Form id = "form" name = "form" method = "POST" action = "do. php"> <Input type = "hidden" id = "count" name = "count" value = "1"/> <Input type = "submit" name = "Submit" value = "Search"/> </Form> |
Do. php file code
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<? Php Echo $ _ POST ['Count']; ?> |
B. HTML-> JavaScript
JavaScript code (available, changeable)
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<Script type = "text/javascript"> Var te = document. getElementById ("count "); Te. value = 1; </Script> |
3. JavaScript
A. JavaScript-> HTML (common method, not verified)
JavaScript code
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<Script type = "text/javascript"> Function f (){ Var id = "2 "; Var a = document. getElementById (""); A. href. replace ("(n)", id ); } </Script> |
Html code
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<A id = "a" href = "ExportArticle. action? Articles = (n) "/> B. JavaScript-> |
PHP
Transfer through html
1. JavaScript code first give html
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<Script type = "text/javascript"> Var I = 1; Var te = document. getElementById ("count "); Te. value = I; </Script> 2.html code to php <Form id = "form" name = "form" method = "POST" action = "do. php"> <Input type = "hidden" id = "count" name = "count" value = "1"/> <Input type = "submit" name = "Submit" value = "Search"/> </Form> 3. do. php receives <? Php Echo $ _ POST ['Count']; ?> |