PHP

PHP生成二维码

作者admin，发布于 。

转自《php100》，对几处小bug做了修改。

二维码现在搞的是很火热，那里都能看到扫一扫的身影，那么PHP如何生成二维码呢？请看下文~~~ 

<!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>二维码生成</title>
<SCRIPT LANGUAGE=JavaScript>
    function post(){
        if(document.getElementById('content').value==''){
            alert('内容不能为空!');
            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: #00008B;background-color: #ADD8E6;border: 1px outset #00008B;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
        $content=isset($_GET['content'])?$_GET['content']:'';
        $width=isset($_GET['width'])?$_GET['width']:300;	
        $height=isset($_GET['height'])?$_GET['height']:300;
        if($content){
            echo "你输入的文字是: <span>$content </span><BR />";
            echo "你选择的宽度是: <span>$width </span><BR />";
            echo "你选择的高度是: <span>$height </span><BR /> ";
            echo "生成的二维码图像是：<BR /> ";	
            $wen = urlencode($content);	
           echo "<img id=qrcode_img src=https://chart.googleapis.com/chart?cht=qr&chld=H&chs={$width}x{$height}&chl={$wen} /><br />
           图片地址:<a href='https://chart.googleapis.com/chart?cht=qr&chld=H&chs={$width}x{$height}&chl={$wen}' target='_blank'>https://chart.googleapis.com/chart?cht=qr&chld=H&chs={$width}x{$height}&chl={$wen}</a><br />
        复制发给你的朋友。 <a href='javascript:history.go(-1);'>返回上一页</a>";
        }else{
    ?>
        <form action="" method="get" onsubmit="return post();">
        <h1>二维码生成工具</h1>
          <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>
        输入网址或者文字:<br />
        <textarea rows="5" cols="30" name="content" id="content" ></textarea>
        <br /><br />
        <input type="submit" value="生成图片"  /> &nbsp;&nbsp;&nbsp;<INPUT TYPE="RESET" VALUE="重新填写">
        <br /> 
        </form>
    <?php }?>
    <div>
</body>
</html>