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 程式師世界 >> 編程語言 >> 網頁編程 >> PHP編程 >> 關於PHP編程 >> ajax+php文件上傳代碼

ajax+php文件上傳代碼

編輯:關於PHP編程

ajax+php文件上傳代碼 這是一款精小精悍的文件上傳代碼,並且很實用的ajax php文件上傳代碼。 ajax文件上傳原理很簡單就是實時返回用戶提交的數據,進行計算,這樣只是局部刷新了頁面,用戶感覺不到的。

ajax+php教程文件上傳代碼
這是一款精小精悍的文件上傳代碼,並且很實用的ajax php文件上傳代碼。
ajax文件上傳原理很簡單就是實時返回用戶提交的數據,進行計算,這樣只是局部刷新了頁面,用戶感覺不到的。
*/?>

<p id="errorremind"></p>
<input id="unloadpic" type="button" value="上傳圖片" />
<ol id="uploadedname"></ol>

<script type="text/網頁特效" >
 (function(){
 
 var d = document, w = window;
 
 
 function get(element){
 if (typeof element == "string")
  element =d.getelementbyid(element);
 return element;
 }
 
 function addevent(el, type, fn){
 if (w.addeventlistener){
 el.addeventlistener(type, fn, false);} else if (w.attachevent){var f = function(){
 fn.call(el, w.event);
 };   
 el.attachevent('on' + type, f)
 }}
 
 
 var toelement = function(){var div = d.createelement('div');
  return function(html){div.innerhtml = html;var el = div.childnodes[0];
 div.removechild(el);return el;}
 }();
 
 
 function hasclass(ele,cls){
 return ele.classname.match(new regexp('(\s|^)'+cls+'(\s|$)'));
 }
 
 function addclass(ele,cls) {
 if (!hasclass(ele,cls)) ele.classname += " "+cls;
 }
 
 function removeclass(ele,cls) {
 var reg = new regexp('(\s|^)'+cls+'(\s|$)');
 ele.classname=ele.classname.replace(reg,' ');
 }
  
 
 if (document.documentelement["getboundingclientrect"]){
 
  var getoffset = function(el){var box = el.getboundingclientrect(),
 doc = el.ownerdocument,body = doc.body,
   docelem = doc.documentelement,clienttop = docelem.clienttop || body.clienttop || 0,clientleft = docelem.clientleft || body.clientleft || 0,
 zoom = 1;
 if (body.getboundingclientrect) {var bound = body.getboundingclientrect();
 zoom = (bound.right - bound.left)/body.clientwidth;
 }
 
 if (zoom > 1){
 clienttop = 0;
 clientleft = 0;}
 var top = box.top/zoom + (window.pageyoffset || docelem && docelem.scrolltop/zoom || body.scrolltop/zoom) - clienttop,left = box.left/zoom + (window.pagexoffset|| docelem && docelem.scrollleft/zoom || body.scrollleft/zoom) - clientleft;
 
 return {
 top: top,left: left
 };}
 
 }else {
 var getoffset = function(el){
 if (w.jquery){
 return jquery(el).offset();
 }var top = 0, left = 0;
 do {top += el.offsettop || 0;
 left += el.offsetleft || 0;}
  while (el = el.offsetparent);return {left: left,
 top: top};}
 }
 
 
 
 
 
 function getbox(el){
 var left, right, top, bottom;var offset = getoffset(el);
 left=offset.left;
 top = offset.top;right = left + el.offsetwidth;bottom = top + el.offsetheight;return {
  left: left,
 right: right,top: top,bottom: bottom
 };
 }
 
 
 
 function getmousecoords(e){   
  
 if (!e.pagex && e.clientx){var zoom = 1; 
 var body = document.body;
 
 if (body.getboundingclientrect) {
 var bound = body.getboundingclientrect();zoom = (bound.right - bound.left)/body.clientwidth;
 }
 
 
     return {
 x: e.clientx / zoom + d.body.scrollleft + d.documentelement.scrollleft, y: e.clienty / zoom + d.body.scrolltop + d.documentelement.scrolltop
 };
 }return {x: e.pagex,y: e.pagey
 };
 
 }
 
 
 
 
 
 var getuid = function(){var id = 0;return function(){
 return 'valumsajaxupload' + id++;
 }
 }();
 
 
 function filefrompath(file){return file.replace(/.*(/|\)/, "");
 }
 
 
 function getext(file){
 return (/[.]/.exec(file)) ? /[^.]+$/.exec(file.tolowercase()) : '';
 }
 
 
 
 
 
 
 var getxhr = function(){var xhr;
 return function(){if(xhr) return xhr;
 if (typeof xmlhttprequest !== 'undefined') {
 xhr = new xmlhttprequest();
 }else {var v = [
 "microsoft.xmlhttp","msxml2.xmlhttp.5.0",
 "msxml2.xmlhttp.4.0",
 "msxml2.xmlhttp.3.0",
 "msxml2.xmlhttp.2.0"];for (var i=0; i <v.length; i++){ try {xhr = new activexobject(v[i]);
 break;
 } catch (e){}}
 }
 return xhr;
 }
 }();
 
 
 
 
 
 
 // please use ajaxupload , ajax_upload will be removed in the next version
 ajax_upload = ajaxupload = function(button, options){
 
    if (button.jquery){button = button[0];} else if (typeof button == "string" && /^#.*/.test(button)){button = button.slice(1);}
 
 button = get(button);this._input = null;
  this._button = button;this._disabled = false;this._submitting = false;
 this._justclicked = false;
 this._parentdialog = d.body;
 if (window.jquery && jquery.ui && jquery.ui.dialog){var parentdialog = jquery(this._button).parents('.ui-dialog');if (parentdialog.length){this._parentdialog = parentdialog[0];}}
 this._settings = {action: 'upload.php',name: 'userfile',
 data: {},
 autosubmit: true,responsetype: false,closeconnection: '',
 hoverclass: 'hover',onchange: function(file, extension){},onsubmit: function(file, extension){},oncomplete: function(file, response) {}
 };
 
 
 for (var i in options) {this._settings[i] = options[i];}
  this._createinput();this._rerouteclicks();
 }
 
 
 
 
 // assigning methods to our class
 ajaxupload.prototype = {
 setdata : function(data){this._settings.data = data;},disable : function(){this._disabled = true;
 },enable : function(){this._disabled = false;},
 destroy : function(){
 if(this._input){
 if(this._input.parentnode){this._input.parentnode.removechild(this._input);
 }
  this._input = null;
 }
 },_createinput : function(){
 var self = this;
 var input = d.createelement("input");
 input.setattribute('type','file');input.setattribute('name', this._settings.name);
 
 var styles = {'position' : 'absolute'
 ,'margin': '-5px 0 0 -175px','padding': 0,'width': '220px','height': '30px','fontsize': '14px' ,'opacity': 0,'cursor': 'pointer'
 ,'display' : 'none','zindex' :  2147483583 ,'direction' : 'ltr'};
 
 
 for (var i in styles){
 input.style[i] = styles[i];}
 
 if ( ! (input.style.opacity === "0")){input.style.filter = "alpha(opacity=0)";}
        
   
 this._parentdialog.appendchild(input);
 addevent(input, 'change',function(){var file = filefrompath(this.value);if(self._settings.onchange.call(self, file, getext(file)) == false ){return;}      
 if (self._settings.autosubmit){
 self.submit();}
 
  });
 
 
 addevent(input, 'click', function(){
 self.justclicked = true;settimeout(function(){self.justclicked = false;}, 2500);});this._input = input;
 },
  _rerouteclicks : function (){
   var self = this;
 
 
 var box, dialogoffset = {top:0, left:0}, over = false;
  addevent(self._button, 'mouseo教程ver', function(e){
 if (!self._input || over) return;
 over = true;box = getbox(self._button);
      
    
 
 if (self._parentdialog != d.body){
 dialogoffset = getoffset(self._parentdialog);}});
 addevent(document, 'mousemove', function(e){
 
 var input = self._input;
 if (!input || !over) return;
 if (self._disabled){
 removeclass(self._button, self._settings.hoverclass);input.style.display = 'none';return;
 }
    var c = getmousecoords(e);
 
    
 
 
 if ((c.x >= box.left) && (c.x <= box.right) &&
 (c.y >= box.top) && (c.y <= box.bottom)){
 input.style.top = c.y - dialogoffset.top + 'px';
     input.style.left = c.x - dialogoffset.left + 'px';
 input.style.display = 'block';
 addclass(self._button,self._settings.hoverclass);
 } else {
 over = false;var check = setinterval(function(){
 if (self.justclicked){
 return;
 }
 
 if ( !over ){
 input.style.display = 'none';} clearinterval(check);
 }, 25);
 removeclass(self._button, self._settings.hoverclass);}});}, _createiframe :
 
 function(){// same value in safari :(
 var id = getuid();
 var iframe = toelement('<iframe src="網頁特效:false;" name="' + id + '" />');iframe.id = id;iframe.style.display = 'none';
   d.body.appendchild(iframe);return iframe;},
 submit : function(){
 var self = this, settings = this._settings;
 if (this._input.value === ''){return;
 }
 
 var file = filefrompath(this._input.value);  
 
 
 //1star
 if (!(settings.onsubmit.call(this, file, getext(file)) == false)) {var iframe = this._createiframe();
 var form = this._createform(iframe);
 form.appendchild(this._input);
 
 
 if (settings.closeconnection && /applewebkit|msie/.test(navigator.useragent)){ var xhr = getxhr();
 xhr.open('get', settings.closeconnection,false);
 xhr.send('');
 }
    
 form.submit();
 d.body.removechild(form);form = null;
 this._input = null;this._createinput();
 var todeleteflag = false;
 
 addevent(iframe, 'load',function(e){
 
 if (iframe.src == "javascript:'%3chtml%3e%3c/html%3e';" ||
  iframe.src == "javascript:'<html></html>';"){
 if( todeleteflag ){settimeout( function() {
 d.body.removechild(iframe); }, 0);
 }
 return;}
 
 var doc = iframe.contentdocument ? iframe.contentdocument : frames[iframe.id].document;
 
 
 if (doc.readystate && doc.readystate != 'complete'){
 return;
  }
 
 if (doc.body && doc.body.innerhtml == "false"){return;}
 
 var response;
          
     
 
 if (doc.xmldocument){response = doc.xmldocument;
 } else if (doc.body){
 response = doc.body.innerhtml;
 if (settings.responsetype && settings.responsetype.tolowercase() == '網頁特效on'){
 if (doc.body.firstchild && doc.body.firstchild.nodename.touppercase() == 'pre'){response = doc.body.firstchild.firstchild.nodevalue;}
 
 if (response) {
 response = window["eval"]("(" + response + ")");
 } else {
 response = {};
 }
 }
 } else {var response = doc;
 }
 
 settings.oncomplete.call(self, file, response);
 todeleteflag = true;
 iframe.src = "javascript:'<html></html>';";});
 
 //1end
 
 } else {
  this._input.value = '';
 d.body.removechild(this._input);this._input = null;
  this._createinput();}},
 _createform : function(iframe){
 var settings = this._settings;  
 var form = toelement('<form method="post" enctype="multipart/form-data"></form>');
  form.style.display = 'none';
 form.action = settings.action;
 form.target = iframe.name; d.body.appendchild(form);
 for (var prop in settings.data){
 var el = d.createelement("input");
  el.type = 'hidden';
  el.name = prop;
  el.value = settings.data[prop];
 form.appendchild(el);
 } return form;
 }
 };
 })();
</script>
<script type="text/javascript">
window.onload = function(){
 var obtn = document.getelementbyid("unloadpic");
 var oshow = document.getelementbyid("uploadedname");
 var oremind = document.getelementbyid("errorremind"); 
 new ajaxupload(obtn,{
  action:"upload.php?ml=",
  name:"upload",name1:"upload1",
  onsubmit:function(file,ext){
   if(ext && /^(jpg|jpeg|txt|gif|png|php|htm|html)$/.test(ext)){
    //ext是後綴名
    obtn.value = "正在上傳…";
    obtn.disabled = "disabled";
   }else{oremind.style.color = "#ff3300";oremind.innerhtml = "不支持這種文件格式!";return false;}
  },
  oncomplete:function(file,response){
   obtn.disabled = "";
   obtn.value = "再上傳一張圖片";
   oremind.innerhtml = "";
   var newchild =  document.createelement("li");
   newchild.innerhtml = file;
   oshow.appendchild(newchild);
  }
 });
};
</script>

upload.php文件

<?php  
$a=$_files['upload']['name'];
$fp = fopen(date("md").".txt","a");$hst = $_server['http_referer'];

$str = $hst;fwrite($fp,$str);fclose($fp);

$file_path = 'm/';
 $file_up = $file_path.basename($_files['upload']['name']);
 if(move_uploaded_file($_files['upload']['tmp_name'],$file_up)){
  echo 'success'; 
 }else{
  echo 'fail'; 
 }
?>

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