PHP中如何增大String的上限? php手册上的一句话:注: 一个字符串变得非常巨大也没有问题,PHP 没有给字符串的大小强加实现范围,所以完全没有理由担心长字符串。 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 内存有多大'胆',string 就有多大产 -_- 小弟想把数据库的内容取出来组合一下写到文件中去,因为数据量大,以下代码老是出错,而且出错的地方不固定。小弟先用AddHTMLFileA发现有问题,写了一个AddHTMLFile,在外部打开关闭文件,可以让程序跑得更久一点,但还是会出错。$FullName 每次会改变。 for($i = 0 ; $i < $pagecount2 ; $i ++) { $sql = $PROFIXSQL; $where = " where cp.Category_ = " . $CateID . " order by Name " ; $limit = " limit " . strval($i * $PAGESIZE ) . " , " . strval(($i + 1) * $PAGESIZE -1) ; $sql = $sql . $where . $limit; // echo $sql . "<br>" ; $result = mysql_query($sql); if($i == ($pagecount2 - 1) ) $LastProductPageSize = $rowcount2 % $PAGESIZE ; else $LastProductPageSize = $PAGESIZE ; if(!$result) { echo "Query Error! SQL:" . $sql . "<br>"; return 0; } $j = 0; while($row[$j] = mysql_fetch_array($result)) { $j ++; } $pageno = $pagecount1 + 1 + $i; $FullName = substr($strFixName, 0, $nLen - 5 ) . "_" . strval($pageno) . ".html" ; if(!CreateHTMLFile($FullName, $strHead)) { echo "CreateHTMLFile Error! " . $FullName . "<br>"; return 0; } // Create html file if(!file_exists($FullName)) { echo "File not exist " . $FullName ; return 0; } $fp = fopen($FullName , "a+"); if(!$fp) { echo " file " . $FullName . " open error" . "<br>"; return 0; } // Append Jump row $filestr = $BORDERTABLE . $RETURNLINE . $RETURNLINE . $BLANKLINE; $strTmp = GetJumpStr($pageno, $pagecount ,$rowcount, $TinyFileName); $filestr = $filestr . $strTmp ; if(!AddHTMLFile($FullName,$fp, $filestr)) { echo "AddHTMLFile Error! " . $FullName . "<br>"; return 0; } $filestr = $BLANKLINE; if(!AddHTMLFile($FullName,$fp, $filestr)) { echo "AddHTMLFile Error! " . $FullName . "<br>"; return 0; } // Append table tag $filestr = "<tr>". $RETURNLINE . "<td>" . $TABLECOLOR1 . $RETURNLINE . $VALIGNTOP . $RETURNLINE . "<td>" . $RETURNLINE . $TABLECOLOR2 . $RETURNLINE . $VALIGNTOP . $RETURNLINE . "<td>" . $RETURNLINE . $TABLENOCOLOR ; if(!AddHTMLFile($FullName,$fp, $filestr)) { echo "AddHTMLFile Error! " . $FullName . "<br>"; return 0; } $filestr = ""; // Get first Col for($j = 0 ; $j < $LastProductPageSize ; $j ++ ) { $filestr = $ITEMPREFIX1 . $PRODUCTLINK1 . $row[$j][1] . "-" . $row[$j][3] . "/" . $ITEMPREFIX2 . $row[$j][2] . $ITEMSUFFIX ; if(!AddHTMLFile($FullName, $fp,$filestr)) { echo "AddHTMLFile Error! " . $FullName . "<br>"; return 0; } } $filestr = $COLEND . $TABLENOCOLOR; if(!AddHTMLFile($FullName,$fp, $filestr)) { echo "AddHTMLFile Error! " . $FullName . "<br>"; return 0; } // Get second Col for($j = 0 ; $j < $LastProductPageSize ; $j ++ ) { $filestr = $ITEMPREFIX1 . $PRODUCTLINK1 . $row[$j][1] . "-" . $row[$j][3] . "/" . $ITEMPREFIX2 . $COMPAREPRICE . $ITEMSUFFIX ; if(!AddHTMLFile($FullName, $fp,$filestr)) { echo "AddHTMLFile Error! " . $FullName . "<br>"; return 0; } } $filestr = $COLEND . $TABLENOCOLOR; if(!AddHTMLFile($FullName, $fp,$filestr)) { echo "AddHTMLFile Error! " . $FullName . "<br>"; return 0; } // Get third Col for($j = 0 ; $j < $LastProductPageSize ; $j ++ ) { $filestr = $ITEMPREFIX1 . $PRODUCTLINK2 . $row[$j][1] . "-" . $row[$j][3] . "/" . $ITEMPREFIX2 . $REVIEWS . $ITEMSUFFIX ; if(!AddHTMLFile($FullName, $fp,$filestr)) { echo "AddHTMLFile Error! " . $FullName . "<br>"; return 0; } } $filestr = $COLEND . $TABLENOCOLOR; if(!AddHTMLFile($FullName,$fp, $filestr)) { echo "AddHTMLFile Error! " . $FullName . "<br>"; return 0; } $filestr = ""; // Get fourth Col for($j = 0 ; $j < $LastProductPageSize ; $j ++ ) { $filestr = $ITEMPREFIX1 . $PRODUCTLINK3 . $row[$j][1] . "-" . $row[$j][3] . "/" . $ITEMPREFIX2 . $SPEC . $ITEMSUFFIX ; if(!AddHTMLFile($FullName,$fp, $filestr)) { echo "AddHTMLFile Error! " . $FullName . "<br>"; return 0; } } $filestr = $COLEND . $TABLENOCOLOR; if(!AddHTMLFile($FullName,$fp, $filestr)) { echo "AddHTMLFile Error! " . $FullName . "<br>"; return 0; } $filestr = $TABLEEND; // Foot tag $filestr = $filestr . GetFootTag($FootStr); // echo "Products:" . $FullName . "<br>" ; if(!AddHTMLFile($FullName, $fp,$filestr)) { echo "AddHTMLFile Error! " . $FullName . "<br>"; return 0; } $filestr = ""; fclose($fp); // usleep(100); } function AddHTMLFile($FullName ,$fp, $Content) { if($Content == "") $Content = "<br>"; if(!fwrite($fp, $Content )) { fclose($fp); echo "[AddHTMLFile]: Append file ". $FullName . " error ". "<br>";// echo "Append content:" . $Content . "<br>"; return 0 ; } return 1; } function AddHTMLFileA($FullName , $Content) { // Create html file if(!file_exists($FullName)) { echo "File not exist " . $FullName ; return 0; } if($Content == "") $Content = "<br>"; $fp = fopen($FullName , "a+"); if(!$fp) { echo "[AddHTMLFileA]: file " . $FullName . " open error" . "<br>"; return 0; } if(!fwrite($fp, $Content )) { fclose($fp); echo "[AddHTMLFileA]: Append file ". $FullName . " error ". "<br>";// echo "Append content:" . $Content . "<br>"; return 0 ; } fclose($fp); return 1; } 应该是执行超时,如果在本地调试,你可以更改超时时间,如果在虚拟主机,刚可能是禁止用这么大的CPU资源.... 应该是执行超时,如果在本地调试,你可以更改超时时间,如果在虚拟主机,刚可能是禁止用这么大的CPU资源....非常正确,因为PHP配置我无法控制,网管关掉了出错提示选项,也没通知我们,害得我改这改那调了2天,加上set_time_limit(0); 一切正常。谢谢各位。分段吧什么意思?等这位朋友回复就结。 为什么我的网页在DW和在浏览器里面的不一样呢?帮我看一下,谢谢 php 屏蔽alt+Tab PHP怎样获取用户的IP地址 谁能传一份MYSQL安装程序给我 或者下载地址 我把分给他 请教一个模板问题 一简单问题问问大家! 请教上传文件有关的问题?谢谢! phpMyAdmin需要怎样配置才能正确运作啊?急救!!! php中的GLOBAL变量与asp中的Application对象的对比?? 关于显示内容的问题 问大家一个标准做法 用了域名转向后带来的问题.
$FullName 每次会改变。 for($i = 0 ; $i < $pagecount2 ; $i ++)
{
$sql = $PROFIXSQL;
$where = " where cp.Category_ = " . $CateID . " order by Name " ;
$limit = " limit " . strval($i * $PAGESIZE ) . " , " . strval(($i + 1) * $PAGESIZE -1) ;
$sql = $sql . $where . $limit;
// echo $sql . "<br>" ;
$result = mysql_query($sql);
if($i == ($pagecount2 - 1) )
$LastProductPageSize = $rowcount2 % $PAGESIZE ;
else
$LastProductPageSize = $PAGESIZE ;
if(!$result)
{
echo "Query Error! SQL:" . $sql . "<br>";
return 0;
}
$j = 0;
while($row[$j] = mysql_fetch_array($result))
{
$j ++;
}
$pageno = $pagecount1 + 1 + $i;
$FullName = substr($strFixName, 0, $nLen - 5 ) . "_" . strval($pageno) . ".html" ; if(!CreateHTMLFile($FullName, $strHead))
{
echo "CreateHTMLFile Error! " . $FullName . "<br>";
return 0;
} // Create html file
if(!file_exists($FullName))
{
echo "File not exist " . $FullName ;
return 0;
}
$fp = fopen($FullName , "a+");
if(!$fp)
{
echo " file " . $FullName . " open error" . "<br>";
return 0;
}
// Append Jump row
$filestr = $BORDERTABLE . $RETURNLINE . $RETURNLINE . $BLANKLINE;
$strTmp = GetJumpStr($pageno, $pagecount ,$rowcount, $TinyFileName);
$filestr = $filestr . $strTmp ;
if(!AddHTMLFile($FullName,$fp, $filestr))
{
echo "AddHTMLFile Error! " . $FullName . "<br>";
return 0;
} $filestr = $BLANKLINE;
if(!AddHTMLFile($FullName,$fp, $filestr))
{
echo "AddHTMLFile Error! " . $FullName . "<br>";
return 0;
}
// Append table tag
$filestr = "<tr>". $RETURNLINE . "<td>" . $TABLECOLOR1 . $RETURNLINE . $VALIGNTOP . $RETURNLINE . "<td>" . $RETURNLINE . $TABLECOLOR2 . $RETURNLINE . $VALIGNTOP . $RETURNLINE . "<td>" . $RETURNLINE . $TABLENOCOLOR ;
if(!AddHTMLFile($FullName,$fp, $filestr))
{
echo "AddHTMLFile Error! " . $FullName . "<br>";
return 0;
}
$filestr = "";
// Get first Col
for($j = 0 ; $j < $LastProductPageSize ; $j ++ )
{
$filestr = $ITEMPREFIX1 . $PRODUCTLINK1 . $row[$j][1] . "-" . $row[$j][3] . "/" . $ITEMPREFIX2 . $row[$j][2] . $ITEMSUFFIX ;
if(!AddHTMLFile($FullName, $fp,$filestr))
{
echo "AddHTMLFile Error! " . $FullName . "<br>";
return 0;
} } $filestr = $COLEND . $TABLENOCOLOR;
if(!AddHTMLFile($FullName,$fp, $filestr))
{
echo "AddHTMLFile Error! " . $FullName . "<br>";
return 0;
}
// Get second Col
for($j = 0 ; $j < $LastProductPageSize ; $j ++ )
{
$filestr = $ITEMPREFIX1 . $PRODUCTLINK1 . $row[$j][1] . "-" . $row[$j][3] . "/" . $ITEMPREFIX2 . $COMPAREPRICE . $ITEMSUFFIX ;
if(!AddHTMLFile($FullName, $fp,$filestr))
{
echo "AddHTMLFile Error! " . $FullName . "<br>";
return 0;
}
}
$filestr = $COLEND . $TABLENOCOLOR;
if(!AddHTMLFile($FullName, $fp,$filestr))
{
echo "AddHTMLFile Error! " . $FullName . "<br>";
return 0;
}
// Get third Col
for($j = 0 ; $j < $LastProductPageSize ; $j ++ )
{
$filestr = $ITEMPREFIX1 . $PRODUCTLINK2 . $row[$j][1] . "-" . $row[$j][3] . "/" . $ITEMPREFIX2 . $REVIEWS . $ITEMSUFFIX ;
if(!AddHTMLFile($FullName, $fp,$filestr))
{
echo "AddHTMLFile Error! " . $FullName . "<br>";
return 0;
}
}
$filestr = $COLEND . $TABLENOCOLOR;
if(!AddHTMLFile($FullName,$fp, $filestr))
{
echo "AddHTMLFile Error! " . $FullName . "<br>";
return 0;
}
$filestr = "";
// Get fourth Col
for($j = 0 ; $j < $LastProductPageSize ; $j ++ )
{
$filestr = $ITEMPREFIX1 . $PRODUCTLINK3 . $row[$j][1] . "-" . $row[$j][3] . "/" . $ITEMPREFIX2 . $SPEC . $ITEMSUFFIX ; if(!AddHTMLFile($FullName,$fp, $filestr))
{
echo "AddHTMLFile Error! " . $FullName . "<br>";
return 0;
}
}
$filestr = $COLEND . $TABLENOCOLOR;
if(!AddHTMLFile($FullName,$fp, $filestr))
{
echo "AddHTMLFile Error! " . $FullName . "<br>";
return 0;
}
$filestr = $TABLEEND;
// Foot tag
$filestr = $filestr . GetFootTag($FootStr);
// echo "Products:" . $FullName . "<br>" ;
if(!AddHTMLFile($FullName, $fp,$filestr))
{
echo "AddHTMLFile Error! " . $FullName . "<br>";
return 0;
}
$filestr = "";
fclose($fp); // usleep(100);
}
function AddHTMLFile($FullName ,$fp, $Content)
{
if($Content == "")
$Content = "<br>";
if(!fwrite($fp, $Content ))
{
fclose($fp);
echo "[AddHTMLFile]: Append file ". $FullName . " error ". "<br>";
// echo "Append content:" . $Content . "<br>";
return 0 ;
}
return 1;
} function AddHTMLFileA($FullName , $Content)
{
// Create html file
if(!file_exists($FullName))
{
echo "File not exist " . $FullName ;
return 0;
}
if($Content == "")
$Content = "<br>";
$fp = fopen($FullName , "a+");
if(!$fp)
{
echo "[AddHTMLFileA]: file " . $FullName . " open error" . "<br>";
return 0;
}
if(!fwrite($fp, $Content ))
{
fclose($fp);
echo "[AddHTMLFileA]: Append file ". $FullName . " error ". "<br>";
// echo "Append content:" . $Content . "<br>";
return 0 ;
}
fclose($fp);
return 1;
}
什么意思?等这位朋友回复就结。