jquery php多资料上传
jquery php多文件上传多文件上传演示?index.phpPHP Codediv?iduploaderform??form?actionupload.p
jquery php多文件上传
多文件上传
演示
?
index.php
PHP Code
- <div?id="uploaderform">??
- <form?action="upload.php"?method="post"?enctype="multipart/form-data"?name="UploadForm"?id="UploadForm">??
- ????<h1>jquery?php多文件上传(本例限制为3个文件)</h1>???
- ????<label>文件??
- ????<span?class="small"><a?href="#"?id="AddMoreFileBox">添加上传框</a></span>??
- ????</label>??
- ????<div?id="AddFileInputBox"><input?id="fileInputBox"?style="margin-bottom:?5px;"?type="file"??name="file[]"/></div>??
- ????<div?class="sep_s"></div>??
- ??????
- ????<label>介绍??
- ?????
- ????</label>??
- ????<div><input?name="username"?type="text"?id="username"?value="freejs.net"?/></div>??
- ??????
- ?????
- ????<button?type="submit"?class="button"?id="SubmitButton">Upload</button>??
- ??????
- ????<div?id="progressbox"><div?id="progressbar"></div?><div?id="statustxt">0%</div?></div>??
- </form>??
- </div>??
- <div?id="uploadResults">??
- ????<div?align="center"?style="margin:20px;"><a?href="#"?id="ShowForm">打开/隐藏?表单</a></div>??
- ????<div?id="output"></div>??
- </div>??
js文件
JavaScript Code
- <script?type="text/javascript">???
- $(document).ready(function()?{???
- //elements??
- var?progressbox?????????=?$('#progressbox');?//progress?bar?wrapper??
- var?progressbar?????????=?$('#progressbar');?//progress?bar?element??
- var?statustxt???????????=?$('#statustxt');?//status?text?element??
- var?submitbutton????????=?$("#SubmitButton");?//submit?button??
- var?myform??????????????=?$("#UploadForm");?//upload?form??
- var?output??????????????=?$("#output");?//ajax?result?output?element??
- var?completed???????????=?'0%';?//initial?progressbar?value??
- var?FileInputsHolder????=?$('#AddFileInputBox');?//Element?where?additional?file?inputs?are?appended??
- var?MaxFileInputs???????=?3;?//Maximum?number?of?file?input?boxs??
- ??
- //?adding?and?removing?file?input?box??
- var?i?=?$("#AddFileInputBox?div").size()?+?1;??
- $("#AddMoreFileBox").click(function?()?{??
- ????????event.returnValue?=?false;??
- ????????if(i?<?MaxFileInputs)??
- ????????{??
- ????????????$('<span><input?type="file"?id="fileInputBox"?size="20"?name="file[]"?style="margin: auto; padding-left: 5px; color: #aa0000;">????????????i++;??
- ????????}??
- ????????return?false;??
- });??
- ??
- $("body").on("click",".removeclass",?function(e){??
- ????????event.returnValue?=?false;??
- ????????if(?i?>?1?)?{??
- ????????????????$(this).parents('span').remove();i--;??
- ????????}??
- ??????????
- });???
- ??
- $("#ShowForm").click(function?()?{??
- ??$("#uploaderform").slideToggle();?//Slide?Toggle?upload?form?on?click??
- });??
- ??????
- $(myform).ajaxForm({??
- ????beforeSend:?function()?{?//brfore?sending?form??
- ????????submitbutton.attr('disabled',?'');?//?disable?upload?button??
- ????????statustxt.empty();??
- ????????progressbox.show();?//show?progressbar??
- ????????progressbar.width(completed);?//initial?value?0%?of?progressbar??
- ????????statustxt.html(completed);?//set?status?text??
- ????????statustxt.css('color','#000');?//initial?color?of?status?text??
- ??????????
- ????},??
- ????uploadProgress:?function(event,?position,?total,?percentComplete)?{?//on?progress??
- ????????progressbar.width(percentComplete?+?'%')?//update?progressbar?percent?complete??
- ????????statustxt.html(percentComplete?+?'%');?//update?status?text??
- ????????if(percentComplete>50)??
- ????????????{??
- ????????????????statustxt.css('color','#fff');?//change?status?text?to?white?after?50%??
- ????????????}else{??
- ????????????????statustxt.css('color','#000');??
- ????????????}??
- ??????????????
- ????????},??
- ????complete:?function(response)?{?//?on?complete??
- ????????output.html(response.responseText);?//update?element?with?received?data??
- ????????myform.resetForm();??//?reset?form??
- ????????submitbutton.removeAttr('disabled');?//enable?submit?button??
- ????????progressbox.hide();?//?hide?progressbar??
- ????????$("#uploaderform").slideUp();?//?hide?form?after?upload??
- ????}??
- });??
- ??
- });???
- </script>???
?uoload.php
?
PHP Code
- <noscript>??
- <div?align="center"><a?href="index.php">Go?Back?To?Upload?Form</a></div><!--?If?javascript?is?disabled?-->??
- </noscript>??
- <?php??
- //If?you?face?any?errors,?increase?values?of?"post_max_size",?"upload_max_filesize"?and?"memory_limit"?as?required?in?php.ini??
- ??
- ?//Some?Settings??
- $ThumbSquareSize????????=?200;?//Thumbnail?will?be?200x200??
- $BigImageMaxSize????????=?500;?//Image?Maximum?height?or?width??
- $ThumbPrefix????????????=?"thumb_";?//Normal?thumb?Prefix??
- $DestinationDirectory???=?'../upload/';?//Upload?Directory?ends?with?/?(slash)??
- $Quality????????????????=?90;??
- ??
- //ini_set('memory_limit',?'-1');?//?maximum?memory!??
- ??
- foreach($_FILES?as?$file)??
- {??
- //?some?information?about?image?we?need?later.??
- $ImageName??????=?$file['name'];??
- $ImageSize??????=?$file['size'];??
- $TempSrc????????=?$file['tmp_name'];??
- $ImageType??????=?$file['type'];??
- ??
- ??
- if?(is_array($ImageName))???
- {??
- ????$c?=?count($ImageName);??
- ??????
- ????echo??'<ul>';??
- ??????
- ????for?($i=0;?$i?<?$c;?$i++)??
- ????{??
- ????????$processImage???????????=?true;???
- ????????$RandomNumber???????????=?rand(0,?9999999999);??//?We?need?same?random?name?for?both?files.??
- ??????????
- ????????if(!isset($ImageName[$i])?||?!is_uploaded_file($TempSrc[$i]))??
- ????????{??
- ????????????echo?'<div?style="margin: auto; padding: 0px; color: #dd0000;">$ImageName[$i].'</strong>,?may?be?file?too?big!</div>';?//output?error??
- ????????}??
- ????????else??
- ????????{??
- ????????????//Validate?file?+?create?image?from?uploaded?file.??
- ????????????switch(strtolower($ImageType[$i]))??
- ????????????{??
- ????????????????case?'image/png':??
- ????????????????????$CreatedImage?=?imagecreatefrompng($TempSrc[$i]);??
- ????????????????????break;??
- ????????????????case?'image/gif':??
- ????????????????????$CreatedImage?=?imagecreatefromgif($TempSrc[$i]);??
- ????????????????????break;??
- ????????????????case?'image/jpeg':??
- ????????????????case?'image/pjpeg':??
- ????????????????????$CreatedImage?=?imagecreatefromjpeg($TempSrc[$i]);??
- ????????????????????break;??
- ????????????????default:??
- ????????????????????$processImage?=?false;?//image?format?is?not?supported!??
- ????????????}??
- ????????????//get?Image?Size??
- ????????????list($CurWidth,$CurHeight)=getimagesize($TempSrc[$i]);??
- ??
- ????????????//Get?file?extension?from?Image?name,?this?will?be?re-added?after?random?name??
- ????????????$ImageExt?=?substr($ImageName[$i],?strrpos($ImageName[$i],?'.'));??
- ????????????$ImageExt?=?str_replace('.','',$ImageExt);??
- ??????
- ????????????//Construct?a?new?image?name?(with?random?number?added)?for?our?new?image.??
- ????????????$NewImageName?=?$RandomNumber.'.'.$ImageExt;??
- ??
- ????????????//Set?the?Destination?Image?path?with?Random?Name??
- ????????????$thumb_DestRandImageName????=?$DestinationDirectory.$ThumbPrefix.$NewImageName;?//Thumb?name??
- ????????????$DestRandImageName??????????=?$DestinationDirectory.$NewImageName;?//Name?for?Big?Image??
- ??
- ????????????//Resize?image?to?our?Specified?Size?by?calling?resizeImage?function.??
- ????????????if($processImage?&&?resizeImage($CurWidth,$CurHeight,$BigImageMaxSize,$DestRandImageName,$CreatedImage,$Quality,$ImageType[$i]))??
- ????????????{??
- ????????????????//Create?a?square?Thumbnail?right?after,?this?time?we?are?using?cropImage()?function??
- ????????????????if(!cropImage($CurWidth,$CurHeight,$ThumbSquareSize,$thumb_DestRandImageName,$CreatedImage,$Quality,$ImageType[$i]))??
- ????????????????????{??
- ????????????????????????echo?'Error?Creating?thumbnail';??
- ????????????????????}??
- ????????????????????/*?
- ????????????????????At?this?point?we?have?succesfully?resized?and?created?thumbnail?image?
- ????????????????????We?can?render?image?to?user's?browser?or?store?information?in?the?database?
- ????????????????????For?demo,?we?are?going?to?output?results?on?browser.?
- ????????????????????*/??
- ??????????????????????
- ????????????????????//Get?New?Image?Size??
- ????????????????????list($ResizedWidth,$ResizedHeight)=getimagesize($DestRandImageName);??
- ??????????????????????
- ????????????????????echo?'<table?width="100%"?border="0"?cellpadding="4"?cellspacing="0">';?
- ????????????????????echo?'<tr>';?
- ????????????????????echo?'<td?align="center"><img?src="../upload/'.$ThumbPrefix.$NewImageName.'"?alt="Thumbnail"?height="'.$ThumbSquareSize.'"?width="'.$ThumbSquareSize.'"></td>';?
- ????????????????????echo?'</tr><tr>';?
- ????????????????????echo?'<td?align="center"><img?src="../upload/'.$NewImageName.'"?alt="Resized?Image"?height="'.$ResizedHeight.'"?width="'.$ResizedWidth.'"></td>';?
- ????????????????????echo?'</tr>';?
- ????????????????????echo?'</table>';?
- ????????????????????/*?
- ????????????????????//?Insert?info?into?database?table!?
- ????????????????????mysql_query("INSERT?INTO?myImageTable?(ImageName,?ThumbName,?ImgPath)?
- ????????????????????VALUES?($DestRandImageName,?$thumb_DestRandImageName,?'../upload/')");?
- ????????????????????*/?
- ?
- ????????????}else{?
- ????????????????echo?'<div?class="error">Error?occurred?while?trying?to?process?<strong>'.$ImageName[$i].'</strong>!?Please?check?if?file?is?supported</div>';?//output?error?
- ????????????}?
- ?????????????
- ????????}?
- ?????????
- ????}?
- ????echo?'</ul>';?
- ????}?
- }?
- ?????
- //?This?function?will?proportionally?resize?image??
- function?resizeImage($CurWidth,$CurHeight,$MaxSize,$DestFolder,$SrcImage,$Quality,$ImageType)?
- {?
- ????//Check?Image?size?is?not?0?
- ????if($CurWidth?<=?0?||?$CurHeight?<=?0)??
- ????{?
- ????????return?false;?
- ????}?
- ?????
- ????//Construct?a?proportional?size?of?new?image?
- ????$ImageScale?????????=?min($MaxSize/$CurWidth,?$MaxSize/$CurHeight);??
- ????$NewWidth???????????=?ceil($ImageScale*$CurWidth);?
- ????$NewHeight??????????=?ceil($ImageScale*$CurHeight);?
- ?????
- ????if($CurWidth?<?$NewWidth?||?$CurHeight?<?$NewHeight)?
- ????{?
- ????????$NewWidth?=?$CurWidth;?
- ????????$NewHeight?=?$CurHeight;?
- ????}?
- ????$NewCanves??=?imagecreatetruecolor($NewWidth,?$NewHeight);?
- ????//?Resize?Image?
- ????if(imagecopyresampled($NewCanves,?$SrcImage,0,?0,?0,?0,?$NewWidth,?$NewHeight,?$CurWidth,?$CurHeight))?
- ????{?
- ????????switch(strtolower($ImageType))?
- ????????{?
- ????????????case?'image/png':?
- ????????????????imagepng($NewCanves,$DestFolder);?
- ????????????????break;?
- ????????????case?'image/gif':?
- ????????????????imagegif($NewCanves,$DestFolder);?
- ????????????????break;???????????
- ????????????case?'image/jpeg':?
- ????????????case?'image/pjpeg':?
- ????????????????imagejpeg($NewCanves,$DestFolder,$Quality);?
- ????????????????break;?
- ????????????default:?
- ????????????????return?false;?
- ????????}?
- ????if(is_resource($NewCanves))?{??
- ??????imagedestroy($NewCanves);??
- ????}??
- ????return?true;?
- ????}?
- ?
- }?
- ?
- //This?function?corps?image?to?create?exact?square?images,?no?matter?what?its?original?size!?
- function?cropImage($CurWidth,$CurHeight,$iSize,$DestFolder,$SrcImage,$Quality,$ImageType)?
- {?????
- ????//Check?Image?size?is?not?0?
- ????if($CurWidth?<=?0?||?$CurHeight?<=?0)??
- ????{?
- ????????return?false;?
- ????}?
- ?????
- ????//abeautifulsite.net?has?excellent?article?about?"Cropping?an?Image?to?Make?Square"?
- ????//http://www.abeautifulsite.net/blog/2009/08/cropping-an-image-to-make-square-thumbnails-in-php/?
- ????if($CurWidth>$CurHeight)?
- ????{?
- ????????$y_offset?=?0;?
- ????????$x_offset?=?($CurWidth?-?$CurHeight)?/?2;?
- ????????$square_size????=?$CurWidth?-?($x_offset?*?2);?
- ????}else{?
- ????????$x_offset?=?0;?
- ????????$y_offset?=?($CurHeight?-?$CurWidth)?/?2;?
- ????????$square_size?=?$CurHeight?-?($y_offset?*?2);?
- ????}?
- ?????
- ????$NewCanves??=?imagecreatetruecolor($iSize,?$iSize);??
- ????if(imagecopyresampled($NewCanves,?$SrcImage,0,?0,?$x_offset,?$y_offset,?$iSize,?$iSize,?$square_size,?$square_size))?
- ????{?
- ????????switch(strtolower($ImageType))?
- ????????{?
- ????????????case?'image/png':?
- ????????????????imagepng($NewCanves,$DestFolder);?
- ????????????????break;?
- ????????????case?'image/gif':?
- ????????????????imagegif($NewCanves,$DestFolder);?
- ????????????????break;???????????
- ????????????case?'image/jpeg':?
- ????????????case?'image/pjpeg':??
- ????????????????imagejpeg($NewCanves,$DestFolder,$Quality);??
- ????????????????break;??
- ????????????default:??
- ????????????????return?false;??
- ????????}??
- ????if(is_resource($NewCanves))?{???
- ??????imagedestroy($NewCanves);???
- ????}???
- ????return?true;??
- ??
- ????}??
- ????????
- }??
?
原文地址:http://www.freejs.net/article_biaodan_45.html