php读取任意长度的字符串函数fread

来源：互联网发布：修改网卡mac的软件编辑：程序博客网时间：2024/05/29 15:56

一代码

<!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=gb2312" /><title>使用fread()函数读取文件count.txt的内容</title><style type="text/css"><!--.STYLE2 {font-size: 16px;font-weight: bold;font-family: "华文琥珀";color: #FFFFFF;}.STYLE3 {font-size: 12px}--></style></head><body><table width="592" height="277" border="0" cellpadding="0" cellspacing="0" background="images/bg.JPG">  <tr>    <td width="137" align="right" valign="middle" scope="col">&nbsp;</td>    <td width="25" rowspan="2" align="right" valign="middle" scope="col">&nbsp;</td>    <td height="40" colspan="2" align="center" valign="middle" scope="col"><!--  使用fread函数读取.php文件  --><!--  -----------------------------------------  -->使用fread()函数读取文件count.txt的内容</td>  </tr>  <tr>    <td width="137" align="center" valign="top" scope="col"><span class="STYLE2">fread函数</span></td>    <td width="405" align="left" valign="top" scope="col"><span class="STYLE3">    <?php$filename = "count.txt";//要读取的文件$fp = fopen($filename,"rb");//打开文件echo fread($fp,100);//使用fread()函数读取文件内容的前100个字节echo "<p>";echo fread($fp,filesize($filename));//输出其余的文件内容?>    </span></td>    <td width="25" align="center" valign="middle" scope="col">&nbsp;</td>  </tr>    <tr>    <td align="right" valign="top" class="STYLE2">&nbsp;</td>    <td align="right" valign="middle" class="STYLE2">&nbsp;</td>    <td height="20" align="center" valign="middle">&nbsp;</td>    <td width="25" align="center" valign="middle">&nbsp;</td>  </tr></table></body></html>

二运行结果

查看图片附件

阅读全文

0 0