<?php
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error_reporting(0);
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sleep(3);
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//得到目录下的文件总数
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function get_file_count($dir_name){
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$files = 0;
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if ($handle = opendir($dir_name)) {
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while (false !== ($file = readdir($handle))) {
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$files++;
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}
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closedir($handle);
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}
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return $files;
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}
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//循环删除目录和文件
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function delDirAndFile($dirName){
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if ($handle = opendir($dirName) ) {
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while ( false !== ( $item = readdir($handle) ) ){
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if ( $item != "." && $item != ".." ) {
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unlink("$dirName/$item");
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}
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}
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closedir($handle);
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}
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}
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$files = array();
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$url = 'http://'.$_SERVER['SERVER_NAME'].':'.$_SERVER['SERVER_PORT'].rtrim(dirname($_SERVER['PHP_SELF']), '/\\')."/";
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// echo $url;
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// print_r($_SERVER);
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// print_r ($_FILES);
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function uploadFile($file_label){
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// global $url;
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$this_file = $_FILES[$file_label];
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}
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$fileInput = 'Filedata';
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$dir = './files/';
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$type = $_POST['type'];
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@mkdir($dir);
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$isExceedSize = false;
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/*-----------------*/
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//以下三行代码用于删除文件，实际应用时请予以删除，get_file_count()和delDirAndFile（）函数都可以删掉
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$dirName = 'files';
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$size = get_file_count($dirName);
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if($size > 3) delDirAndFile($dirName);
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/*-----------------*/
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$files_name_arr = array($fileInput);
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foreach($files_name_arr as $k=>$v){
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$pic = $_FILES[$v];
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$isExceedSize = $pic['size'] > 500000;
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if(!$isExceedSize){
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if(file_exists($dir.$pic['name'])){
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@unlink($dir.$pic['name']);
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}
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// 解决中文文件名乱码问题
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$pic['name'] = iconv('UTF-8', 'GBK', $pic['name']);
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$result = move_uploaded_file($pic['tmp_name'], $dir.$pic['name']);
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$files[$k] = $url.$dir.$pic['name'];
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}
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}
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if(!$isExceedSize && $result){
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$arr = array(
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'status' => 1,
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'type' => $type,
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'data' => array('name' => $_FILES[$fileInput]['name'],
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'url' => $dir.$_FILES[$fileInput]['name'])
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);
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}else if($isExceedSize){
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$arr = array(
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'status' => 0,
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'type' => $type,
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'msg' => "文件大小超过500kb！"
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);
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}else{
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$arr = array(
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'status' => 0,
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'type' => $type,
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'msg' => "未知错误！".$result
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);
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}
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echo json_encode($arr);
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?>
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