PHP——上传头像（1） 

<!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>
</head>

<body>
<form id="sc" action="shangchuan.php" target="hidden_frame" method="post" enctype="multipart/form-data">
<div id="yl" style="margin-left:0px; width:144px; height:170px; background-size:144px 170px; background-image:url(images/8-1.jpg)">
<input type="file" name="file" style="width:144px; height:170px; float:left; opacity:0;" width="146" onchange="document.getElementById('sc').submit()"/>
<img id="pic" style="display:none"/>
    </div>
<input type="button" value="保存"/>
</form>
<iframe style="display:none;" name="hidden_frame" id="hidden_frame">
</iframe>

</body>
<script type="text/javascript">
//回调函数
function showimg(aa)
{
    var l = document.getElementById("yl");
    var p = document.getElementById("pic");
    
    l.style.backgroundImage = "url("+aa+")";
    p.setAttribute("src",aa);
}
</script>
</html>
<?php
   //上传文件限制
   if ((($_FILES["file"]["type"] == "image/gif")|| ($_FILES["file"]["type"] == "image/jpeg")|| ($_FILES["file"]["type"] == "image/pjpeg"))&& ($_FILES["file"]["size"] < 10000000))
  {
      //文件上传是否出错
      if ($_FILES["file"]["error"] > 0)
    {
        echo "上传出错: " . $_FILES["file"]["error"] . "<br />";
    }
      else
    {
        //输出文件信息
        /*echo "文件名: " . $_FILES["file"]["name"] . "<br />";
        echo "类型: " . $_FILES["file"]["type"] . "<br />";
        echo "大小: " . ($_FILES["file"]["size"] / 1024) . " Kb<br />";
        echo "临时路径: " . $_FILES["file"]["tmp_name"] . "<br />";*/
    
    //判断文件是否已存在
    if (file_exists("images/" . $_FILES["file"]["name"]))
      {
          echo "<script language='javascript'>alert('".$_FILES["file"]["name"]."已经存在！')</script>";
           
      }
      
    else
      {
        
          //造存储路径
          $filename = "images/" . $_FILES["file"]["name"];
          //移动图片至保存路径，解决中文乱码问题
            move_uploaded_file($_FILES["file"]["tmp_name"],iconv("UTF-8","gb2312",$filename));
          
            echo "该文件存储在了: " . "images/" . $_FILES["file"]["name"];
          echo "<script language='javascript'>parent.showimg('".$filename."')</script>";
      }
    } 
  }
  
         
  else
  {
      echo "上传失败";
  }

?>

 

posted on 2016-03-09 22:56  Chen_s  阅读(356)  评论(0)    收藏  举报

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