Home > php教程 > php手册 > php对文本文件进行分页功能简单实现,

php对文本文件进行分页功能简单实现,

WBOY
Release: 2016-06-13 08:54:34
Original
1247 people have browsed it

php对文本文件进行分页功能简单实现,

php对文本文件进行分页功能简单实现

<!DOCTYPE>
<html>
<head>
    <meta http-equiv="Content-type" content="text/html";charset="gb2312">
    <title>Paging</title>
    <style><span>
        a{
            padding</span>:<span>20px;
        }
    </span></style>
</head>
<body>

<?<span>php
</span><span>//</span><span> 中文字符处理</span>
<span>function</span> m_substr(<span>$str</span>, <span>$start</span>, <span>$length</span><span>){
    </span><span>$str_length</span> = <span>$start</span> + <span>$length</span>; <span>//</span><span> 获取截取总长度</span>
    <span>$tmp_str</span> = ""<span>;
    </span><span>for</span>(<span>$i</span>=0;<span>$i</span><<span>$str_length</span>;<span>$i</span>++<span>){
        </span><span>if</span>(<span>ord</span>(<span>substr</span>(<span>$str</span>, <span>$i</span>, 1)) == 0x0a<span>){
            </span><span>$tmp_str</span> .= "<br>"<span>;
        }
        </span><span>if</span>(<span>ord</span>(<span>substr</span>(<span>$str</span>, <span>$i</span>, 1))>0xa0<span>){
            </span><span>$tmp_str</span> .= <span>substr</span>(<span>$str</span>, <span>$i</span>, 2<span>);
            </span><span>$i</span>++<span>;
        }</span><span>else</span><span>{
            </span><span>$tmp_str</span> .= <span>substr</span>(<span>$str</span>, <span>$i</span>, 1<span>);
        }
    }
    </span><span>return</span> <span>$tmp_str</span><span>;
}
</span><span>//</span><span> 传参处理</span>
<span>if</span>(<span>isset</span>(<span>$_GET</span>['page'<span>])){
    </span><span>$page</span> = <span>$_GET</span>['page'<span>];
}</span><span>else</span><span>{
    </span><span>$page</span> = 1<span>;
}

</span><span>$counter</span> = <span>file_get_contents</span>("example.txt"<span>);
</span><span>$length</span> = <span>strlen</span>(<span>$counter</span><span>);
</span><span>$page_count</span> = <span>ceil</span>(<span>$length</span>/400<span>);
</span><span>$pre_str</span> = m_substr(<span>$counter</span>, 0, (<span>$page</span>-1)*400<span>);
</span><span>$now_str</span> = m_substr(<span>$counter</span>, 0, <span>$page</span>*400<span>);
</span><span>echo</span> <span>substr</span>(<span>$now_str</span>, <span>strlen</span>(<span>$pre_str</span>), <span>strlen</span>(<span>$now_str</span>)-<span>strlen</span>(<span>$pre_str</span><span>));

</span><span>echo</span> "<br><br>"<span>;
</span><span>echo</span> "当前页".<span>$page</span>."/".<span>$page_count</span><span>;
</span><span>echo</span> "<a href='index.php?page=1'>Index</a>"<span>;
</span><span>if</span>(<span>$page</span>>1<span>){
    </span><span>echo</span> "<a href='index.php?page=".(<span>$page</span>-1)."'>Pre</a>"<span>;
}
</span><span>if</span>(<span>$page</span><<span>$page_count</span><span>){
    </span><span>echo</span> "<a href=index.php?page=".(<span>$page</span>+1).">Next</a>"<span>;
}

</span><span>echo</span> "<a href=index.php?page=<span>$page_count</span>>End</a>"<span>;

</span>?>

</body>
</html>
Copy after login

source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template