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php+jquery Ajax异步上传图片(ajaxSubmit)实例


下面我们一起来看一个php+jquery Ajax异步上传图片(ajaxSubmit)实例,这个我们真正的利用了ajax而不是使用iframe之类的哦。

效果如下

 代码如下 复制代码

index.php文件

php结合jquery异步上传图片(ajaxSubmit),以下为提交页面代码:

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<title>Ajax异步上传图片</title>
<script src="js/jquery-1.4.2.js" language="JavaScript" type="text/javascript"></script>
<script src="js/jquery.form.js" language="JavaScript" type="text/javascript"></script>
<script type="text/javascript">

function sky_upfiles(){
    var messtxt;
 $("#sky_upform").ajaxSubmit({
                                //dataType:'script',
                                type:'post',
                                url: "doupfiles.php",   
                                beforeSubmit: function(){
                                    $("#sky_txt").html("图片上传中...");
                                },
                                success: function(data){       
                                    if(data=="1"){
                                    messtxt = "上传成功!";
                                    }else if(data=="-1"){
                                    messtxt = "文件超过规定大小!";
                                    }else if(data=="-2"){
                                    messtxt = "文件类型不符!";
                                    }else if(data=="-3"){
                                    messtxt = "移动文件出错!";
                                    }else{
                                    messtxt = "未知错误!";
                                    }
                                    $("#sky_txt").html(messtxt);               
                                    //$("#sky_txt").append(data);
                                },
                                resetForm: false,
                                clearForm: false
                        });
                        //$("#upimgform").submit();
}

        </script>
</head>
<body>
<br />
<fieldset style="width:97%">
  <legend>上传文件</legend>
    <form enctype="multipart/form-data" id="sky_upform" name="sky_upform" action="" method="post">
    <table width="100%" border="0" align="center" cellpadding="3" cellspacing="0">
      <tr>
        <td width="100" align="right" class="f-12"></td>
        <td class="f-12" align="left">
        <input name="upfile" id="upfile" maxlength="20" size="40" type="file" value="" /><input name="upmit" type="button" id="upmit" value="上传" onclick="sky_upfiles()"/>
        <font color="red" id="sky_txt"></font></td>
      </tr>      
    </form>
       
</body>
</html>

doupfiles.php文件

 代码如下 复制代码

<?php
/*
 * 1:成功上传
 *-1:文件超过规定大小
 *-2:文件类型不符
 *-3:移动文件出错
 */
if(is_uploaded_file($_FILES['upfile']['tmp_name'])){

 $photo_types=array('image/jpg', 'image/jpeg','image/png','image/pjpeg','image/gif','image/bmp','image/x-png');//定义上传格式
        $max_size=700000;    //上传照片大小限制,默认700k
        $photo_folder="upload/".date("Y")."/".date("m")."/".date("d")."/"; //上传照片路径
        ///////////////////////////////////////////////////开始处理上传
        if(!file_exists($photo_folder))//检查照片目录是否存在
        {
            mkdir($photo_folder, 0777, true);  //mkdir("temp/sub, 0777, true);
        }

$upfile=$_FILES['upfile'];
$name=$upfile['name'];
$type=$upfile['type'];
$size=$upfile['size'];
$tmp_name=$upfile['tmp_name'];

$file = $_FILES["upfile"];
$photo_name=$file["tmp_name"];
//echo $photo_name;
$photo_size = getimagesize($photo_name);

if($max_size < $file["size"])//检查文件大小
           echo "-1";       //echo "<script>alert('对不起,文件超过规定大小!');history.go(-1);</script>";
if(!in_array($file["type"], $photo_types))//检查文件类型
           echo "-2";       //echo "<script>alert('对不起,文件类型不符!');history.go(-1);</script>";
if(!file_exists($photo_folder))//照片目录
                  mkdir($photo_folder);
$pinfo=pathinfo($file["name"]);
$photo_type=$pinfo['extension'];//上传文件扩展名
$photo_server_folder = $photo_folder.time().".".$photo_type;//以当前时间和7位随机数作为文件名,这里是上传的完整路径


if(!move_uploaded_file ($photo_name, $photo_server_folder))
            {
             echo "-3"; //echo "移动文件出错";
                exit;
            }
$pinfo=pathinfo($photo_server_folder);
$fname=$pinfo['basename'];
echo "1";   //echo " 已经成功上传:".$photo_server_folder."<br />";

 


}
?>

最后把完整的php+jquery Ajax异步上传图片(ajaxSubmit)实例源码下载地址

 

www.phpzy.comtrue/php/33157.htmlTechArticlephp+jquery Ajax异步上传图片(ajaxSubmit)实例 下面我们一起来看一个php+jquery Ajax异步上传图片(ajaxSubmit)实例,这个我们真正的利用了ajax而不是使用iframe之类的哦。 效果如下 代码如下...

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