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Backend DevelopmentPHP TutorialPHP photo album function implementation includes PHP image upload, background management, browsing and deletion tutorial examples
Backend DevelopmentPHP TutorialPHP photo album function implementation includes PHP image upload, background management, browsing and deletion tutorial examplesPHP photo album function implementation includes PHP image upload, background management, browsing and deletion tutorial examplesJul 30, 2016 pm 01:31 PM
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The photo album function implementation (including PHP image upload, background management, browsing and deletion) tutorial example includes five parts:
1. Album homepage
<meta charset="utf-8">
<title>相册首页</title>
<style><span> body{
width:<span>800px;
margin:0<span> auto;
test-align:<span>center;
}
</style>
<h1 id="The-simple-photo-album">The simple photo album.</h1>
<center>
<span>php
</span><span>error_reporting</span>(0<span>);
</span><span>if</span>(!<span>$_GET</span>["page"<span>]){
</span><span>$page</span> = 1<span>;
}</span><span>else</span><span>$page</span> = <span>$_GET</span>["page"<span>];
</span><span>$filename</span> = "data.dat"<span>;
</span><span>$myfile</span> = <span>file</span>(<span>$filename</span><span>);
</span><span>$z</span> = <span>$myfile</span>[0<span>];
</span><span>if</span>(<span>$z</span> == <span>NULL</span><span>){
</span><span>echo</span> "目前记录条数为：0"<span>;
}</span><span>else</span><span>{
</span><span>$temp</span> = <span>explode</span>("||",<span>$myfile</span>[0<span>]);
</span><span>echo</span> "共有".<span>$temp</span>[0]."条内容"<span>;
</span><span>echo</span> " "<span>;
</span><span>$p_count</span> = <span>ceil</span>(<span>$temp</span>[0]/8<span>);
</span><span>echo</span> "分".<span>$_count</span>."页显示"<span>;
</span><span>echo</span> " "<span>;
</span><span>echo</span> "当前显示第".<span>$page</span>."页"<span>;
</span><span>echo</span> " "<span>;
</span><span>echo</span> "<br>"<span>;
</span><span>if</span>(<span>$page</span> != <span>ceil</span>(<span>$temp</span>[0]/8<span>)){
</span><span>$current_size</span> = 8<span>;
}</span><span>else</span><span>{
</span><span>$current_size</span> = <span>$temp</span>[0]%8<span>;
}
</span><span>if</span>(<span>$current_size</span> == 0<span>){
</span><span>$current_size</span> = 8<span>;
}
</span><span>for</span>(<span>$i</span>=0;<span>$i</span>ceil(<span>$current_size</span>/4);<span>$i</span>++<span>){
</span><span>for</span>(<span>$j</span>=0;<span>$j</span>$j++<span>){
</span><span>$temp</span> = <span>explode</span>("||", <span>$myfile</span>[<span>$i</span>*4+<span>$j</span>+(<span>$page</span>-1)*8<span>]);
</span><span>if</span>((<span>$i</span>*4+<span>$j</span>+(<span>$page</span>-1)*8)$z<span>){
</span><span>$imgfile</span> = "./images/".<span>$temp</span>[1<span>];
</span><span>$flag</span> = <span>getimagesize</span>(<span>$imgfile</span><span>);
</span><span>echo</span> "<a href="viewimage.php?id=%22.<span">$temp[0]."><img src="/test/images/%22.<span" alt="PHP photo album function implementation includes PHP image upload, background management, browsing and deletion tutorial examples" >$temp[1<span>];
</span><span>if</span>(<span>$flag</span>[0]>180||<span>$flag</span>[1]>100<span>){
</span><span>echo</span> " width=180 height=".<span>ceil</span>(<span>$flag</span>[1]*180/<span>$flag</span>[0<span>]);
}
</span><span>echo</span> " border=\"0\"></a>"<span>;
}</span><span>else</span><span>{
</span><span>echo</span> ""<span>;
}
}
}
</span><span>echo</span> ""<span>;
}
</span><span>echo</span> "<p>"<span>;
</span><span>$prev_page</span> = <span>$page</span> - 1<span>;
</span><span>$next_page</span> = <span>$page</span> + 1<span>;
</span><span>if</span>(<span>$page</span> ){
<span>echo</span> "第一页 | "<span>;
}</span><span>else</span><span>{
</span><span>echo</span> "<a href="<span>%24PATH_INFO</span>?page=1">第一页</a> | "<span>;
}
</span><span>if</span>(<span>$prev_page</span> ){
<span>echo</span> "上一页 | "<span>;
}</span><span>else</span><span>{
</span><span>echo</span> "<a href="<span>%24PATH_INFO</span>?page=<span>%24prev_page</span>">上一页</a> | "<span>;
}
</span><span>if</span>(<span>$next_page</span> > <span>$p_count</span><span>){
</span><span>echo</span> "下一页 | "<span>;
}</span><span>else</span><span>{
</span><span>echo</span> "<a href="<span>%24PATH_INFO</span>?page=<span>%24next_page</span>">下一页</a> | "<span>;
}
</span><span>if</span>(<span>$page</span> >= <span>$p_count</span><span>){
</span><span>echo</span> "最后一页</p>\n"<span>;
}</span><span>else</span><span>{
</span><span>echo</span> "<a href="<span>%24PATH_INFO</span>?page=<span>%24p_count</span>">最后一页</a>\n"<span>;
}
</span>?>
</center>
<a href="upfile.php">Upload Files</a>
2. Background management
<meta charset="utf-8">
<title>后台处理页面</title>
<span>php
</span><span>error_reporting</span>(1<span>);
</span><span>if</span>(<span>$_FILES</span>['upfile']['name'] == <span>NULL</span><span>){
</span><span>echo</span> "No file choice."<span>;
</span><span>echo</span> "<a href="upfile.php">返回</a>"<span>;
}</span><span>else</span><span>{
</span><span>$filepath</span> = "/Library/WebServer/Documents/test/images/"<span>;
</span><span>$tmp_name</span> = <span>$_FILES</span>['upfile']['tmp_name'<span>];
</span><span>$filename</span> = <span>$filepath</span>.<span>$_FILES</span>['upfile']['name'<span>];
</span><span>//</span><span> echo $filename;</span><span>if</span>(<span>move_uploaded_file</span>(<span>$tmp_name</span>,<span>$filename</span><span>)){
</span><span>$dataname</span> = "data.dat"<span>;
</span><span>$myfile</span> = <span>file</span>(<span>$dataname</span><span>);
</span><span>if</span>(<span>$myfile</span>[0] == ""<span>){
</span><span>$fp</span> = <span>fopen</span>(<span>$dataname</span>, "a+"<span>);
</span><span>fwrite</span>(<span>$fp</span>,"1||".<span>$_FILES</span>['upfile']['name']."||".<span>$_POST</span>["content"]."||".<span>date</span>(Y年m月d日)."\n"<span>);
</span><span>fclose</span>(<span>$fp</span><span>);
}</span><span>else</span><span>{
</span><span>$temp</span> = <span>explode</span>("||", <span>$myfile</span>[0<span>]);
</span><span>$temp</span>[0]++<span>;
</span><span>$fp</span> = <span>fopen</span>(<span>$dataname</span>, "r"<span>);
</span><span>$line_has</span> = <span>fread</span>(<span>$fp</span>,<span>filesize</span>("<span>$dataname</span>"<span>));
</span><span>fclose</span>(<span>$fp</span><span>);
</span><span>$fp</span> = <span>fopen</span>(<span>$dataname</span>, "w"<span>);
</span><span>fwrite</span>(<span>$fp</span>,<span>$temp</span>[0]."||".<span>$_FILES</span>['upfile']['name']."||".<span>$_POST</span>["content"]."||".<span>date</span>("Y年m月d日")."\n"<span>);
</span><span>fwrite</span>(<span>$fp</span>,"<span>$line_has</span>"<span>);
</span><span>fclose</span>(<span>$fp</span><span>);
}
</span><span>echo</span> "<p></p>"<span>;
</span><span>echo</span> "指定文件已经上传成功！"<span>;
</span><span>echo</span> "<p></p>"<span>;
</span><span>echo</span> "点<a href="index.php">返回</a>"<span>;
}</span><span>else</span><span>{
</span><span>echo</span> "文件上传失败！"<span>;
}
}
</span>?>
3. Picture upload
<meta charset="utf-8">
<title>相册上传页面</title>
<script language="javascript">
<span>function<span> Juge(theForm){
<span>if(theForm.upfile.value==""<span>){
alert("Please choice file!"<span>);
theForm.upfile.<span>focus();
<span>return (<span>false<span>);
}
<span>if(theForm.content.value==""<span>){
alert("Please input image information!"<span>);
theForm.content.<span>focus();
<span>return (<span>false<span>);
}
<span>if(theForm.content.value.length>60<span>){
alert("The information must less than 60 chars."<span>);
theForm.content.<span>focus();
<span>return (<span>false<span>);
}
}
</script>
<center>
<h1 id="Image-album-upload-page">Image album upload page</h1>
<p>
<a href="index.php">返回首页</a>
</p>
<table border="1">
<form enctype="multipart/form-data" action="system.php" method="post" type="file">
<tr>
<td>输入说明：</td>
<td>
<input name="content" type="text">(*限30字)</td>
</tr>
<tr>
<td colspan="2">
<center>
<input type="submit" value="提交">
<input type="reset" value="重置">
</center>
</td>
</tr>
</form>
</table>
</center>
4. Picture browsing
<meta charset="utf-8">
<title>查看图片</title>
<center>
<h1 id="View-images">View images.</h1>
<span>php
</span><span>error_reporting</span>(0<span>);
</span><span>if</span>(!<span>$_GET</span>["id"<span>]){
</span><span>echo</span> "No assign id."<span>;
</span><span>echo</span> "<a href="index.php">首页</a>"<span>;
</span><span>exit</span><span>();
}</span><span>else</span><span>{
</span>?>
<a href="index.php">返回首页</a> &<span>nbsp;
</span><a href="delimage.php?id=<?php%20echo%20<span>%24_GET</span>%5B'id'%5D%20?>">删除图片</a><br>
<span>php
</span><span>$id</span> = <span>$_GET</span>["id"<span>];
</span><span>$filename</span> = "data.dat"<span>;
</span><span>$myfile</span> = <span>file</span>(<span>$filename</span><span>);
</span><span>$z</span> = <span>$myfile</span>[0<span>];
</span><span>if</span>(<span>$z</span> == ""<span>){
</span><span>echo</span> "目前记录条数为0"<span>;
}</span><span>else</span><span>{
</span><span>$temp</span> = <span>explode</span>("||", <span>$myfile</span>[<span>$z</span>-<span>$id</span><span>]);
</span><span>echo</span> "<p>"."文件名:".<span>$temp</span>[1]."</p>"<span>;
</span><span>echo</span> "<p><img src="/test/images/%22.<span" alt="PHP photo album function implementation includes PHP image upload, background management, browsing and deletion tutorial examples" >$temp[1]."></p>"<span>;
</span><span>echo</span> "<p>图片简介:".<span>$temp</span>[2]."</p>"<span>;
</span><span>echo</span> "<p>上传日期:".<span>$temp</span>[3]."</p>"<span>;
}
}
</span>?>
</center>
5. Delete pictures
<meta charset="utf-8">
<title>删除图片</title>
<span>php
</span><span>error_reporting</span>(0<span>);
</span><span>if</span>(!<span>$_GET</span>["id"<span>]){
</span><span>echo</span> "No id assign."<span>;
</span><span>echo</span> "<br>"<span>;
</span><span>echo</span> "<a href="index.php">首页</a>"<span>;
</span><span>exit</span><span>();
}</span><span>else</span><span>{
</span><span>$id</span> = <span>$_GET</span>["id"<span>];
</span><span>$filename</span> = "data.dat"<span>;
</span><span>$myfile</span> = <span>file</span>(<span>$filename</span><span>);
</span><span>$z</span> = <span>$myfile</span>[0<span>];
</span><span>if</span>(<span>$z</span> == <span>NULL</span><span>){
</span><span>echo</span> "目前记录条数为：0"<span>;
}</span><span>else</span><span>{
</span><span>$temp</span> = <span>explode</span>("||", <span>$myfile</span>[<span>$z</span>-<span>$id</span><span>]);
</span><span>print_r</span>(<span>$temp</span><span>);
</span><span>$filepath</span> = "/Library/WebServer/Documents/test/images/"<span>;
</span><span>$imgfile</span> = <span>$filepath</span>.<span>$temp</span>[1<span>];
</span><span>echo</span><span>$imgfile</span><span>;
</span><span>unlink</span>(<span>$imgfile</span><span>);
</span><span>for</span>(<span>$i</span>=0;<span>$i</span>$z-<span>$id</span>);<span>$i</span>++<span>){
</span><span>$temp2</span> = <span>explode</span>("||", <span>$myfile</span>[<span>$i</span><span>]);
</span><span>$temp2</span>[0]--<span>;
</span><span>if</span>(<span>$temp2</span>[0]>0<span>)
</span><span>$text2</span> = <span>$text2</span>.<span>$temp2</span>[0]."||".<span>$temp2</span>[1]."||".<span>$temp2</span>[2]."||".<span>$temp2</span>[3<span>];
}
</span><span>for</span>(<span>$i</span>=(<span>$z</span>-<span>$id</span>+1);<span>$i</span>$z;<span>$i</span>++<span>){
</span><span>$text1</span> = <span>$text1</span>.<span>$myfile</span>[<span>$i</span><span>];
}
</span><span>$fp</span> = <span>fopen</span>(<span>$filename</span>, "w"<span>);
</span><span>fwrite</span>(<span>$fp</span>, <span>$text2</span><span>);
</span><span>fwrite</span>(<span>$fp</span>, <span>$text1</span><span>);
</span><span>fclose</span>(<span>$fp</span><span>);
</span><span>echo</span> "指定文件已经删除成功！"<span>;
</span><span>echo</span> "<a href="index.php">首页</a>"<span>;
}
}
</span>?>
The above has introduced the implementation of the PHP photo album function, including PHP image uploading, background management, browsing and deletion tutorial examples, including aspects of the content. I hope it will be helpful to friends who are interested in PHP tutorials.
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