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<input type="file" multiple id="lee_file">
<input type="text" id="lee_text" value="test">
<input type="button" value="Upload" id="lee_button">
<script>
function loadDoc(file,data,async=true){
if(window.XMLHttpRequest){  // code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
}else{  // code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
if(async === true){
  xmlhttp.onreadystatechange = function(){
      if(xmlhttp.readyState < 4){
          // 加载中
      }else if (xmlhttp.readyState == 4 && xmlhttp.status == 200){
          // 成功
          xmlDoc=xmlhttp.responseText;
          return xmlDoc
      }else{
          // 失败
          xmlhttp.abort()
          return
      }
  }
}
xmlhttp.open("POST",file,async);
xmlhttp.send(data);
if(async === false){
  xmlDoc=xmlhttp.responseText;
  return xmlDoc
}
}
function getEle(id){
var ele = document.getElementById(id)
return ele
}
function sendFile() {
var lee_file = getEle('lee_file');
var lee_text = getEle('lee_text');
var form_data = new FormData();
for (var i in lee_file.files) {
form_data.append('pics[]', lee_file.files[i]);
}
form_data.append('text', lee_text.value);
loadDoc('test.php',form_data)
}
var lee_button = getEle('lee_button');
lee_button.onclick = function(){
sendFile()
}
</script>
<?php
header('Access-Control-Allow-Origin: *');
var_dump($_POST);
var_dump($_FILES);


<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title></head>
<body>
<form>
<input type="file" multiple id="lee_file">
<input type="button" value="上传图片" id="lee_button">
<img src="" alt="" id="lee_img">
</form>
<script>
function loadDoc(file,data,async=true){
if(window.XMLHttpRequest){  // code for IE7+, Firefox, Chrome, Opera, Safari
  xmlhttp=new XMLHttpRequest();
}else{  // code for IE6, IE5
  xmlhttp=new ActiveXObject("Microsoft.XMLHTTP");
}
if(async === true){
  xmlhttp.onreadystatechange = function(){
      if(xmlhttp.readyState < 4){
          // 加载中
      }else if (xmlhttp.readyState == 4 && xmlhttp.status == 200){
          // 成功
          xmlDoc=xmlhttp.responseText;
          return xmlDoc
      }else{
          // 失败
          xmlhttp.abort()
          return
      }
  }
}
xmlhttp.open("POST",file,async);
xmlhttp.send(data);
if(async === false){
  xmlDoc=xmlhttp.responseText;
  return xmlDoc
}
}
function getEle(id){
var ele = document.getElementById(id)
return ele
}
lee_button = getEle('lee_button')
function sendFile() {
var lee_file = getEle('lee_file').files;
var lee_text = getEle('lee_text');
for (var i = 0; i < lee_file.length; i++) {
  file = lee_file[i];
  var form_data = new FormData();
  var reader = new FileReader();
  reader.readAsDataURL(file);
  reader.onloadend = function() { // onload代表文件读取成功
    getEle('lee_img').setAttribute('src',reader.result);
    form_data.append('pic', reader.result);
    loadDoc('test.php',form_data)
  }
}
}
lee_button.onclick = function() {
sendFile();
}
</script>
</body>
</html>



<?php
header('Access-Control-Allow-Origin:*');  
/*
* 将流文件保存为临时文件
* @param   stream  base64输入流
* @param   tmpname 临时文件路径
*/  
function uploadBase64($stream) {
    if (empty($stream)) return false;
    if (preg_match('/^(data:(\s)?(image|img)\/(\w+);base64,)/', $stream, $str)) {
        $suffix = "tmp";
        $tmpname = rand(1000, 9999) . ".{$suffix}";
        if (file_put_contents($tmpname, base64_decode(str_replace($str[1], '', $stream)))) {
            return $tmpname;
        } else {
            return false;
        }
    } else {
        return false;
    }
} 
/*
获取图片真实后缀
@param   filename    文件名
@param   suffix      文件真实后缀(.jpg .png .gif)
*/   
function getSuffix($fileName) {
$file = fopen($fileName, "rb");
$bin = fread($file, 2); // 只读2字节
fclose($file);
$strInfo = @unpack("C2chars", $bin);
$typeCode = intval($strInfo['chars1'] . $strInfo['chars2']);
$suffix = "unknow";
if($typeCode == 255216){
    $suffix = "jpg";
}elseif($typeCode == 7173){
    $suffix = "gif";
}elseif($typeCode == 13780){
    $suffix = "png";
}elseif($typeCode == 6677){
    $suffix = "bmp";
}elseif($typeCode == 7798){
    $suffix = "exe";
}elseif($typeCode == 7784){
    $suffix = "midi";
}elseif($typeCode == 8297){
    $suffix = "rar";
}elseif($typeCode == 7368){
    $suffix = "mp3";
}elseif($typeCode == 0){
    $suffix = "mp4";
}elseif($typeCode == 8273){
    $suffix = "wav";
}
return $suffix;
}免责声明:本站发布的内容(图片、视频和文字)以原创、转载和分享为主,文章观点不代表本网站立场,如果涉及侵权请联系站长邮箱:is@yisu.com进行举报,并提供相关证据,一经查实,将立刻删除涉嫌侵权内容。