上传本地图片的几个实例 

复
<!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>无标题文档</title>
<style type="text/css">
#yl{ width:200px; height:300px; background-image:url(img/11.png); background-size:200px 300px;}
#file{ width:200px; height:300px; float:left; opacity:0;}
</style>
</head>

<body>

<form id="sc" action="chuli.php" method="post" enctype="multipart/form-data" target="shangchuan">
    
    <input type="hidden" name="tp" value="" id="tp" />
    
    <div id="yl">
        <input type="file" name="file" id="file" onchange="document.getElementById('sc').submit()" />
    </div>
    
    
    
</form>

<iframe style="display:none" name="shangchuan" id="shangchuan">
</iframe>


</body>

<script type="text/javascript">

//回调函数,调用该方法传一个文件路径，该变背景图
function showimg(url)
{
    var div = document.getElementById("yl");
    div.style.backgroundImage = "url("+url+")";
    
    document.getElementById("tp").value = url;
}

</script>

</html>
<?php

if($_FILES["file"]["error"])
{
    echo $_FILES["file"]["error"];
}
else
{
    if(($_FILES["file"]["type"]=="image/jpeg" || $_FILES["file"]["type"]=="image/png")&& $_FILES["file"]["size"]<1024000)
    {
        $fname = "./img/".date("YmdHis").$_FILES["file"]["name"];    
        
        $filename = iconv("UTF-8","gb2312",$fname);
        
        if(file_exists($filename))
        {
            echo "<script>alert('该文件已存在！');</script>";
        }
        else
        {
            move_uploaded_file($_FILES["file"]["tmp_name"],$filename);
            
            unlink($_POST["tp"]);
            
            echo "<script>parent.showimg('{$fname}');</script>";
        }
        
    }
}

 

<!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>By：DragonDean</title>
<script type="text/javascript">
//下面用于图片上传预览功能
function setImagePreview(avalue) {
    var docObj=document.getElementById("doc");
      
    var imgObjPreview=document.getElementById("preview");
    if(docObj.files &&docObj.files[0])
    {
        
        imgObjPreview.style.display = 'block';
        imgObjPreview.style.width = '150px';
        imgObjPreview.style.height = '180px';                   
        //imgObjPreview.src = docObj.files[0].getAsDataURL();
     
        imgObjPreview.src = window.URL.createObjectURL(docObj.files[0]);
    }
    else
    {
      
        docObj.select();
        var imgSrc = document.selection.createRange().text;
        var localImagId = document.getElementById("localImag");
        
        localImagId.style.width = "150px";
        localImagId.style.height = "180px";
        //图片异常的捕捉，防止用户修改后缀来伪造图片
        try{
            localImagId.style.filter="progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale)";
            localImagId.filters.item("DXImageTransform.Microsoft.AlphaImageLoader").src = imgSrc;
        }
        catch(e)
        {
            alert("您上传的图片格式不正确，请重新选择!");
            return false;
        }
        imgObjPreview.style.display = 'none';
        document.selection.empty();
    }
    return true;
}
     
</script>
</head>
     
<body>
<table width="100%" border="0" cellspacing="0" cellpadding="0">
    <tbody>
        <tr>
            <td height="101" align="center">
                <div id="localImag"><img id="preview" src="http://blog.chuangling.net/Public/images/top.jpg" width="150" height="180" style="display: block; width: 150px; height: 180px;"></div>
            </td>
        </tr>
        <tr>
            <td align="center" style="padding-top:10px;"><input type="file" name="file" id="doc" style="width:150px;" onchange="javascript:setImagePreview();"></td>
        </tr>
    </tbody>
</table>
</body>
</html>

　　

posted @ 2017-01-12 16:05  梦梦梦梦想  阅读(145)  评论(0)    收藏  举报