PHP Implementation Paste screenshots and complete the upload function

<?php header( "Access-Control-Allow-Origin:*" ); $url = ‘http://‘ . $_SERVER [ ‘HTTP_HOST‘ ]; $file = (isset( $_POST [ "file" ])) ? $_POST [ "file" ] : ‘‘ ; if ( $file ) { $data = base64_decode ( str_replace ( ‘data:image/png;base64,‘ , ‘‘ , $file )); //得到的只能是png格式图片，所以只要处理png就行了 $name = md5(time()) . ‘.png‘ ; // 这里把文件名做了md5处理 file_put_contents ( $name , $data ); echo "$url/$name" ; die ; } ?> <div id= "box" style= "width:400px;height:400px;border:1px solid;" contenteditable> </div> <input type= "hidden" name= "img" value= "" id= "img_puth" /> <script> //查找box元素,检测当粘贴时候, document.querySelector( ‘#box‘ ).addEventListener( ‘paste‘ , function (e) { //判断是否是粘贴图片   if (e.clipboardData && e.clipboardData.items[0].type.indexOf( ‘image‘ ) > -1) { var that = this, reader = new FileReader(); file = e.clipboardData.items[0].getAsFile(); //ajax上传图片   reader.onload = function (e) {   var xhr = new XMLHttpRequest(),   fd = new FormData();   xhr.open( ‘POST‘ , ‘‘ , true);   xhr.onload = function () {   var img = new Image();   img.src = xhr.responseText;   // that.innerHTML = ‘‘;   document.getElementById( "img_puth" ).value = img.src; }   // this.result得到图片的base64 (可以用作即时显示)   fd.append( ‘file‘ , this.result);   that.innerHTML = ‘+this.result+‘"/>‘;xhr.send(fd);}reader.readAsDataURL(file);}}, false);</script>

PHP implementation of Paste and upload function completed