php上传图片客户端和服务器端实现方法
这篇文章主要介绍了php上传图片客户端和服务器端实现方法,涉及php操作文件的技巧,涉及图片后缀验证、文件重命名等常用方法,具有一定参考借鉴价值,需要的朋友可以
本文实例讲述了php上传图片客户端和服务器端实现方法。分享给大家供大家参考。具体如下:
前台表单代码
后端php代码
alert('只能上传图片格式的文件');window.close()"; 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; echo $dest = $uppaths . $filename . "http://www.jb51.net/" . 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 echo $dest1 = $uppath . $filename . "http://www.jb51.net/" . 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); ?>
希望本文所述对大家的php程序设计有所帮助。
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