PHP code for generating QR codes online (google api)

Source: Internet
Author: User

Generate a QR code online using the api that generates a QR code online by google.
The Code is as follows:
Copy codeThe Code is as follows:
<! DOCTYPE html PUBLIC "-// W3C // dtd xhtml 1.0 Transitional // EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<Html xmlns = "http://www.w3.org/1999/xhtml">
<Head>
<Meta http-equiv = "Content-Type" content = "text/html; charset = UTF-8"/>
<Title> QR code generation -www.jbxue.com </title>
<Script language = JavaScript>
Function post (){
If (document. getElementById ('content'). value = '') {alert ('content cannot be blank! '); Document. getElementById ('content'). focus (); return false ;}
If (ckregdatapost () = false) {return false ;}
}
</SCRIPT>
</Head>
<Body>
<Style>
Body {text-align: center; background: # f5f5f5; line-height: 22px; font-size: 14px; color: #888 ;}
. Newcrop {margin: 10 ;}
. Er {width: 700px; margin: 0px auto; border: 1px solid gray}
Span {background: #645; color: # fff}
Body form {text-align: center; padding: 3px 6px 3px 6px ;}
Input.txt {color: # 00008B; background-color: # ADD8E6; border: 1px inset # 00008B; width: 200px ;}
Input. btn {color: # background 8B; background-color: # ADD8E6; border: 1px outset # background 8B; padding: 2px 4px 2px 4px ;}
Input. smallInput {border: 1 solid black; FONT-SIZE: 9pt; FONT-STYLE: normal; FONT-VARIANT: normal; FONT-WEIGHT: normal; HEIGHT: 18px; LINE-HEIGHT: normal}
</Style>
<Body class = "newcrop"> <div class = "er">
<? Php
$ Content = $ _ GET ['content'];
$ Width = $ _ GET ['width']? $ _ GET ['width']: 300;
$ Height = $ _ GET ['height']? $ _ GET ['height']: 300;
If ($ content ){
Echo "the text you entered is: <span> $ content </span> <BR/> ";
Echo "the width you choose is: <span> $ width </span> <BR/> ";
Echo "the height you choose is: <span> $ height </span> <BR/> ";
Echo "the generated QR code image is: <BR/> ";
$ Wen = urlencode (mb_convert_encoding ($ content, 'utf-8', 'gb2312 '))."";
Echo " <br/>
Image address: <a href = 'https: // chart.googleapis.com/chart? Cht = qr & chld = H & chs = {$ width} x {$ height} & chlorophyll = {$ wen} 'target = '_ blank'> https://chart.googleapis.com/chart? Cht = qr & chld = H & chs = {$ width} x {$ height} & chlorophyll = {$ wen} </a> <br/>
Copy to your friends. <A href = 'javascript: history. go (-1); '> return to the previous page </a> ";
} Else {
?>
<Form action = "" method = "get" onsubmit = "return post ();">
<H1>
QR code generation tool <P> width: <select name = "width">
<Option value = "100"> 100 </option>
<Option value = "200"> 200 </option>
<Option value = "300" Selected> 300 </option>
<Option value = "400"> 400 </option>
<Option value = "500"> 500 </option>
</Select>
Height: <select name = "height">
<Option value = "100"> 100 </option>
<Option value = "200"> 200 </option>
<Option value = "300" Selected> 300 </option>
<Option value = "400"> 400 </option>
<Option value = "500"> 500 </option>
</Select> </p>
Enter the URL or text: <br/>
<Textarea rows = "5" cols = "30" name = "content" id = "content"> </textarea>
<Br/>
<Input type = "submit" value = "generate image"/> <input type = "RESET" VALUE = "Refill">
<Br/>
</Form> <? }?>
<Div> </body>

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