<div class="camera-area">
 <form enctype="multipart/form-data" method="post">
 <input type="file" name="fileToUpload" class="fileToUpload" accept="image/*" capture="camera"/>
  <div class="upload-progress"><span></span></div>
 </form>
 <div class="thumb"></div>
 </div>

(function($) {
?$.extend($.fn, {
?fileUpload: function(opts) {
?this.each(function() {
?var $self = $(this);
?var doms = {
??"fileToUpload": $self.find(".fileToUpload"),
??"thumb": $self.find(".thumb"),
??"progress": $self.find(".upload-progress")
?};
?var funs = {
??//選擇文件，獲取文件大小，也可以在這里獲取文件格式，限制用戶上傳非要求格式的文件
??"fileSelected": function() {
??var files = (doms.fileToUpload)[0].files;
??var count = files.length;
??for (var index = 0; index < count; index++) {
??var file = files[index];
??var fileSize = 0;
??if (file.size > 1024 * 1024)
??fileSize = (Math.round(file.size * 100 / (1024 * 1024)) / 100).toString() + 'MB';
??else
??fileSize = (Math.round(file.size * 100 / 1024) / 100).toString() + 'KB';
??}
??funs.uploadFile();
??},
??//異步上傳文件
??uploadFile: function() {
??var fd = new FormData();//創(chuàng)建表單數(shù)據(jù)對象
??var files = (doms.fileToUpload)[0].files;
??var count = files.length;
??for (var index = 0; index < count; index++) {
??var file = files[index];
??fd.append(opts.file, file);//將文件添加到表單數(shù)據(jù)中
??funs.previewImage(file);//上傳前預(yù)覽圖片，也可以通過其他方法預(yù)覽txt
??}
??var xhr = new XMLHttpRequest();
??xhr.upload.addEventListener("progress", funs.uploadProgress, false);//監(jiān)聽上傳進(jìn)度
??xhr.addEventListener("load", funs.uploadComplete, false);
??xhr.addEventListener("error", opts.uploadFailed, false);
??xhr.open("POST", opts.url);
??xhr.send(fd);
??},
??//文件預(yù)覽
??previewImage: function(file) {
??var gallery = doms.thumb;
??var img = document.createElement("img");
??img.file = file;
??doms.thumb.html(img);
??// 使用FileReader方法顯示圖片內(nèi)容
??var reader = new FileReader();
??reader.onload = (function(aImg) {
??return function(e) {
??aImg.src = e.target.result;
??};
??})(img);
??reader.readAsDataURL(file);
??},
??uploadProgress: function(evt) {
??if (evt.lengthComputable) {
??var percentComplete = Math.round(evt.loaded * 100 / evt.total);
??doms.progress.html(percentComplete.toString() + '%');
??}
??},
??"uploadComplete": function(evt) {
??alert(evt.target.responseText)
??}
?};
?doms.fileToUpload.on("change", function() {
??doms.progress.find("span").width("0");
??funs.fileSelected();
?});
?});
?}
?});
})(Zepto);

$(".camera-area").fileUpload({
 "url": "savetofile.php",
 "file": "myFile"
 });

<?php
if (isset($_FILES['myFile'])) {
 // Example:
 writeLog($_FILES);
 move_uploaded_file($_FILES['myFile']['tmp_name'], "uploads/" . $_FILES['myFile']['name']);
 echo 'successful';
}
function writeLog($log){
 if(is_array($log) || is_object($log)){
 $log = json_encode($log);
 }
 $log = $log."\r\n";
 
 file_put_contents('log.log', $log,FILE_APPEND);
}
?>

public function upload_images_select(){
        header('Content-type: application/json'); //json
        $upload = new \Think\Upload();// 實例化上傳類    
        $upload->rootPath = C('rootPath');
        $upload->maxSize   =     3145728 ;// 設(shè)置附件上傳大小    
        $upload->exts      =     array('jpg', 'gif', 'png', 'jpeg');// 設(shè)置附件上傳類型    
        $upload->savePath  =      './images/Member/Evaluate/'; // 設(shè)置附件上傳目錄    // 上傳文件     
        $info   =   $upload->upload();    
        if(!$info) {
        // 上傳錯誤提示錯誤信息        
            $this->error($upload->getError());    
        }else{
            // 上傳成功  
            $this->ajaxReturn(array('status'=>1,'item'=>$info));   
        }
    }