PHP上传图片功能

发布时间：2015-05-27 19:31:22作者：知识屋

[html]
<form name="myform" id="myform" class="registerform" method="post" action="?action=add">

<input name="pic1" id="pic1" type="text" style="width:293px;"/>
<input name="" type="button" class="button02" onClick="window.open('admin_upload.php?formName=myform&editName=pic1&upPath=/attached','','status=no,scrollbars=no,top=100,left=210,width=420,height=165')" />

</form>

admin_upfile.php
[php]
<html>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
    <?php
    date_default_timezone_set('PRC');
//这里上传 $upsize判断上传文件的大小
    $uppath = isset($_REQUEST["upPath"]) ? $_REQUEST["upPath"] : "/attached/";              //文件上传路径
    $formName = isset($_REQUEST["formName"]) ? $_REQUEST["formName"] : "myform";          //回传到上页面编辑框所在Form的Name
    $editName = isset($_REQUEST["editName"]) ? $_REQUEST["editName"] : $_REQUEST["editName"];              //回传到上页面编辑框的Name
//转换根目录的路径
    if (strpos($uppath, "/") == 0) {
        $i = 0;
        $thpath = $_SERVER["SCRIPT_NAME"];
        $thpath = substr($thpath, 1, strlen($thpath));
        while (strripos($thpath, "/") !== false) {
            $thpath = substr($thpath, strpos($thpath, "/") + 1, strlen($thpath));
            $i = ++$i;
        }

        $pp = "";
        for ($j = 0; $j < $i; ++$j) {
            $pp .="../";
        }

        $uppaths = $pp . substr($uppath, 1, strlen($thpath));
    }
    $filename = date("y-m-d");
    if (is_dir($uppaths . $filename) != TRUE)
        mkdir($uppaths . $filename, 0777);
// if(is_dir($filename."/".$ctime)!=TRUE) mkdir($filename."/".$ctime,0777);

    $f = $_FILES['file1'];

    if ($f["type"] != "image/gif" && $f["type"] != "image/pjpeg" && $f["type"] != "image/jpeg" && $f["type"] != "image/x-png") {
        echo "<script>alert('只能上传图片格式的文件');window.close()</script>";
        //echo $f['type'];
        return false;
    }

//获得文件扩展名
    $temp_arr = explode(".", $f["name"]);
    $file_ext = array_pop($temp_arr);
    $file_ext = trim($file_ext);
    $file_ext = strtolower($file_ext);

//新文件名
    $new_file_name = md5(date("YmdHis")) . '.' . $file_ext;
    //$new_file_name = md5(date("YmdHis") . '_' . rand(10000, 99999)) . '.' . $file_ext;

    $dest = $uppaths . $filename . "/" . date("ymdhis") . "_" . $new_file_name; //设置文件名为日期加上文件名避免重复上传目录
    $dest1 = $uppath . $filename . "/" . date("ymdhis") . "_" . $new_file_name; //设置文件名为日期加上文件名避免重复
    $r = move_uploaded_file($f['tmp_name'], $dest);
    if ($f['size'] > 0) {

        echo "<script>window.opener.document." . $formName . "." . $editName . ".value='" . $dest1 . "'</script>";
        echo "<script>alert('图片上传成功');window.close()</script>";
    }
    ?>
</html>

admin_upload.php
[php]
<html>
    <head>
        <title>图片上传</title>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
        <?php
        $uppath = isset($_REQUEST["upPath"]) ? $_REQUEST["upPath"] . "/" : "/attached/";              //文件上传路径
        $formName = isset($_REQUEST["formName"]) ? $_REQUEST["formName"] : "myform";          //回传到上页面编辑框所在Form的Name
        $editName = isset($_REQUEST["editName"]) ? $_REQUEST["editName"] : $_REQUEST["editName"];            //回传到上页面编辑框的Name
        ?>
        <script language="javascript">
            
        </script>
        <style type="text/css">
            
        </style>
    </head>
    <body oncontextmenu='return false' onselectstart="return false" oncopy="return false;" oncut="return false;">
        <form name="form1" method="post" action="admin_upfile.php" enctype="multipart/form-data" >
            <div id="esave" style="position:absolute; top:18px; left:40px; z-index:10; visibility:hidden">
                <TABLE WIDTH=340 BORDER=0 CELLSPACING=0 CELLPADDING=0>
                    <TR>
                        <td width=20?></td>
                        <TD bgcolor=#ff0000 width="60%"><TABLE WIDTH=100% height=120 BORDER=0 CELLSPACING=1 CELLPADDING=0>
                                <TR>
                                    <td bgcolor=#ffffff align=center><font color=red>正在上传文件，请稍候...</font></td>
                                </tr>
                            </table></td>
                        <td width=20?></td>
                    </tr>
                </table>
            </div>
            <table class="Border" width="100%" border="0" height="100%" align="center" cellpadding="3" cellspacing="1" bgcolor="#FFFFFF">
                <tr>
                    <td align="center" class="title" height="30"><b><span class="style2 STYLE3">图片上传</span>
                            <input type="hidden" name="upPath" value="<?= $uppath ?>">
                            <input type="hidden" name="editName" value="<?= $editName ?>">
                            <input type="hidden" name="formName" value="<?= $formName ?>">
                        </b> </td>
                </tr>
                <tr bgcolor="#E8F1FF">
                    <td height="94" align="center" id="upid">选择文件:
                        <input type="file" name="file1" size="20" class="tx1" value="">
                        <input type="submit" name="Submit" value="开始上传" class="button" onClick="mysub();">
                        <br></td>
                </tr>
            </table>
        </form>
    </body>
</html>