<!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>简单的html5 File测试 for pic2base64</title> <style> </style> <script> window.onload = function(){ var input = document.getElementById("demo_input"); var result= document.getElementById("result"); var img_area = document.getElementById("img_area"); if ( typeof(FileReader) === 'undefined' ){ result.innerHTML = "抱歉，你的浏览器不支持 FileReader，请使用现代浏览器操作！"; input.setAttribute('disabled','disabled'); }else{ input.addEventListener('change',readFile,false); } } function readFile(){ var file = this.files[0]; //这里我们判断下类型如果不是图片就返回 去掉就可以上传任意文件 if(!/image/w+/.test(file.type)){ alert("请确保文件为图像类型"); return false; } var reader = new FileReader(); reader.readAsDataURL(file); console.log(); reader.onload = function(e){ result.innerHTML = this.result; img_area.innerHTML = '<div class="sitetip">图片img标签展示：</div><img src="'+this.result+'" alt=""/>'; } } </script> </head> <body> <form action="file.php" method="post"> <input type="file" value="sdgsdg" id="demo_input" /> <textarea name="img" id="result" rows=30 cols=300></textarea> <p id="img_area"></p> <input type="submit" value="提交"> </form> </body> </html>
服务器代码：
<?php
$base64_url=$_POST['img'];
$base64_body = substr(strstr($base64_url,','),1);
$data= base64_decode($base64_body );
file_put_contents('1.jpg',$data);
//或$image = imagecreatefromstring($data);
?>