PHP相册功能的实现方法:1、创建相册首页并实现分页效果;2、创建后台处理页面;3、实现相册上传页面;4、定义图片浏览功能;5、通过“unlink($imgfile);”等语句实现删除图片功能即可。
本文操作环境:Windows7系统、PHP7.1版、DELL G3电脑
相册功能实现(包含PHP图片上传,后台管理,浏览和删除)教程例子包括五个部分:
一、相册首页
<html> <head> <Meta charset=utf-8> <title>相册首页</title> <style> body{ width:800px; margin:0 auto; test-align:center; } </style> </head> <body> <h1>The simple photo album.</h1> <center> <?PHP error_reporting(0); if(!$_GET[page]){ $page = 1; }else $page = $_GET[page]; $filename = data.dat; $myfile = file($filename); $z = $myfile[0]; if($z == NULL){ echo 目前记录条数为:0; }else{ $temp = explode(||,$myfile[0]); echo 共有.$temp[0].条内容; echo ; $p_count = ceil($temp[0]/8); echo 分.$_count.页显示; echo ; echo 当前显示第.$page.页; echo ; echo <br>; if($page != ceil($temp[0]/8)){ $current_size = 8; }else{ $current_size = $temp[0]%8; } if($current_size == 0){ $current_size = 8; } for($i=0;$i<ceil($current_size/4);$i++){ for($j=0;$j<4;$j++){ $temp = explode(||, $myfile[$i*4+$j+($page-1)*8]); if(($i*4+$j+($page-1)*8)<$z){ $imgfile = ./images/.$temp[1]; $flag = getimagesize($imgfile); echo <a href=viewimage.PHP?id=.$temp[0].><img src=/test/images/.$temp[1]; if($flag[0]>180||$flag[1]>100){ echo width=180 height=.ceil($flag[1]*180/$flag[0]); } echo border=\0\></a>; }else{ echo ; } } } echo </table>; } echo <p>; $prev_page = $page - 1; $next_page = $page + 1; if($page <= 1){ echo 第一页 | ; }else{ echo <a href='$PATH_INFO?page=1'>第一页</a> | ; } if($prev_page < 1){ echo 上一页 | ; }else{ echo <a href='$PATH_INFO?page=$prev_page'>上一页</a> | ; } if($next_page > $p_count){ echo 下一页 | ; }else{ echo <a href='$PATH_INFO?page=$next_page'>下一页</a> | ; } if($page >= $p_count){ echo 最后一页</p>\n; }else{ echo <a href='$PATH_INFO?page=$p_count'>最后一页</a></p>\n; } ?> </center> <a href=upfile.PHP>Upload Files</a> </body> </html>
二、后台管理
<html> <head> <Meta charset=utf-8> <title>后台处理页面</title> </head> <body> <?PHP error_reporting(1); if($_FILES['upfile']['name'] == NULL){ echo No file choice.; echo <a href='upfile.PHP'>返回</a>; }else{ $filepath = /Library/WebServer/Documents/test/images/; $tmp_name = $_FILES['upfile']['tmp_name']; $filename = $filepath.$_FILES['upfile']['name']; // echo $filename; if(move_uploaded_file($tmp_name,$filename)){ $dataname = data.dat; $myfile = file($dataname); if($myfile[0] == ){ $fp = fopen($dataname, a+); fwrite($fp,1||.$_FILES['upfile']['name'].||.$_POST[content].||.date(Y年m月d日).\n); fclose($fp); }else{ $temp = explode(||, $myfile[0]); $temp[0]++; $fp = fopen($dataname, r); $line_has = fread($fp,filesize($dataname)); fclose($fp); $fp = fopen($dataname, w); fwrite($fp,$temp[0].||.$_FILES['upfile']['name'].||.$_POST[content].||.date(Y年m月d日).\n); fwrite($fp,$line_has); fclose($fp); } echo <p></p>; echo 指定文件已经上传成功!; echo <p></p>; echo 点<a href='index.PHP'>返回</a>; }else{ echo 文件上传失败!; } } ?> </body> </html>
<html> <head> <Meta charset=utf-8> <title>相册上传页面</title> </head> <body> <script language=javascript> function Juge(theForm){ if(theForm.upfile.value==){ alert(Please choice file!); theForm.upfile.focus(); return (false); } if(theForm.content.value==){ alert(Please input image information!); theForm.content.focus(); return (false); } if(theForm.content.value.length>60){ alert(The information must less than 60 chars.); theForm.content.focus(); return (false); } } </script> <center> <h1>Image album upload page</h1> <p> <a href=index.PHP>返回首页</a> <table border=1> <form enctype=multipart/form-data action=system.PHP method=post onsubmit=return Juge(this)> <tr> <td>选择图片:</td> <td><input name=upfile type=file></td> </tr> <tr> <td>输入说明:</td> <td><input name=content type=text>(*限30字)</td> </tr> <tr> <td colspan=2> <center> <input type=submit value=提交> <input type=reset value=重置> </center> </td> </tr> </form> </table> </p> </center> </body> </html>
四、图片浏览
<html> <head> <Meta charset=utf-8> <title>查看图片</title> </head> <body> <center> <h1>View images.</h1> <?PHP error_reporting(0); if(!$_GET[id]){ echo No assign id.; echo <a href='index.PHP'>首页</a>; exit(); }else{ ?> <a href=index.PHP>返回首页</a> <a href=delimage.PHP?id=<?PHP echo $_GET['id'] ?>>删除图片</a><br> <?PHP $id = $_GET[id]; $filename = data.dat; $myfile = file($filename); $z = $myfile[0]; if($z == ){ echo 目前记录条数为0; }else{ $temp = explode(||, $myfile[$z-$id]); echo <p>.文件名:.$temp[1].</p>; echo <p><img src=/test/images/.$temp[1].></p>; echo <p>图片简介:.$temp[2].</p>; echo <p>上传日期:.$temp[3].</p>; } } ?> </center> </body> </html>
<html> <head> <Meta charset=utf-8> <title>删除图片</title> </head> <body> <?PHP error_reporting(0); if(!$_GET[id]){ echo No id assign.; echo <br>; echo <a href='index.PHP'>首页</a>; exit(); }else{ $id = $_GET[id]; $filename = data.dat; $myfile = file($filename); $z = $myfile[0]; if($z == NULL){ echo 目前记录条数为:0; }else{ $temp = explode(||, $myfile[$z-$id]); print_r($temp); $filepath = /Library/WebServer/Documents/test/images/; $imgfile = $filepath.$temp[1]; echo $imgfile; unlink($imgfile); for($i=0;$i<($z-$id);$i++){ $temp2 = explode(||, $myfile[$i]); $temp2[0]--; if($temp2[0]>0) $text2 = $text2.$temp2[0].||.$temp2[1].||.$temp2[2].||.$temp2[3]; } for($i=($z-$id+1);$i<$z;$i++){ $text1 = $text1.$myfile[$i]; } $fp = fopen($filename, w); fwrite($fp, $text2); fwrite($fp, $text1); fclose($fp); echo 指定文件已经删除成功!; echo <a href='index.PHP'>首页</a>; } } ?> </body> </html>
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