食用方法

<?php
header("Access-Control-Allow-Origin:*");
header("Content-type: application/json; charset=utf-8");
if ($_GET['action'] == 'upload') {  
    $tmp_name =$_FILES['file']['tmp_name']; 
    if(!in_array($_FILES["file"]["type"],array("image/jpeg","image/gif","image/png")))exit();
    switch ($_FILES["file"]["type"]){
        case 'image/jpeg':
        $type = 'jpg';
        break;
        case 'image/gif':
        $type = 'gif';
        break;
        case 'image/png':
        $type = 'png';
        break;              
        default:
        exit();
    }   
    $picname = md5(time()).'.'.$type;
    $status = move_uploaded_file($tmp_name,dirname(__FILE__).'/img/'.$picname);
    if($status) {
        $value = array(
            'code'=> 0,
            'msg'=> '上传成功',
            'data'=> array('src'=> '输出路径'.$picname.'')
        );
    } else {
        $value = array(
            'code'=> 1,
            'msg'=> '上传失败',
            'data'=> array('src'=> '输出地址')
        );
    }
    echo json_encode($value,JSON_PRETTY_PRINT|JSON_UNESCAPED_UNICODE);  
}