$pieces=explode("\n",$temp);
$size=count($pieces);
$S="";
for ($i=$star;$i<($num+$star);$i++) {
if (eregi("",$pieces[$i]) and eregi("",$pieces[$i]) and ($Re==1)){
$headtemp_3=str_replace("","<b>",$pieces[$i]);
$headtemp_3=str_replace("","</b>",$headtemp_3);
$S.=$headtemp_3;
}
else {
$S.=$pieces[$i];
}
}
echo "<SPAN><p>$S."</p></span>";
$temp是文章内容，$star是确定内容开头，$num是限定页面内容的长短，内容的限定是以回车为判断的
然后你就再调用一个函数，把内容，头，在大小限定好就ok了
如果那位有不是以回车，而是以字数判定就贡献出来吧！^_^
$size=count($pieces);
$S="";
for ($i=$star;$i<($num+$star);$i++) {
if (eregi("",$pieces[$i]) and eregi("",$pieces[$i]) and ($Re==1)){
$headtemp_3=str_replace("","<b>",$pieces[$i]);
$headtemp_3=str_replace("","</b>",$headtemp_3);
$S.=$headtemp_3;
}
else {
$S.=$pieces[$i];
}
}
echo "<SPAN><p>$S."</p></span>";
$temp是文章内容，$star是确定内容开头，$num是限定页面内容的长短，内容的限定是以回车为判断的
然后你就再调用一个函数，把内容，头，在大小限定好就ok了
如果那位有不是以回车，而是以字数判定就贡献出来吧！^_^
if (eregi("",$pieces[$i]) and eregi("",$pieces[$i]) and ($Re==1)){
$headtemp_3=str_replace("","<b>",$pieces[$i]);
$headtemp_3=str_replace("","</b>",$headtemp_3);
$S.=$headtemp_3;
}
谁能解释一下这段代码
| 取得最末页.$link为1是为带链接
| i.e. $pb = new PageBar(50, 10);
| $total_page = $pb->total_page(1);
| +-----------------------------------------------
*/
function total_page($link='') {
$linkhead = $this->linkhead;
$total_page = $this->total_page;
if ($link==1) {
return "<a href=\"$linkhead"."pagecount=$total_page\" title=\"The lasted page\">[$total_page]</a>";
}else {
return $total_page;
}
}
#End of function total_page();
/**+-----------------------------------------------
| 取得上一页.$char为链接的字符,默认为"[<]"
| i.e. $pb = new PageBar(50, 10);
| $pre_page = $pb->pre_page("上一页");
| +-----------------------------------------------
*/
function pre_page($char='') {
$linkhead = $this->linkhead;
$pagecount = $this->pagecount;
if (empty($char)) {
$char = "[<]";
}
if ($pagecount>1) {
$pre_page = $pagecount - 1;
return "<a href=\"$linkhead"."pagecount=$pre_page\" title=\"previous page\">$char</a>";
} else {
return '';
}
}
#End of function pre_page();
/**+-----------------------------------------------
| 取得下一页.$char为链接的字符,默认为"[>]"
| i.e. $pb = new PageBar(50, 10);
| $next_page = $pb->next_page("下一页");
| +-----------------------------------------------
*/
function next_page($char='') {
$linkhead = $this->linkhead;
$total_page = $this->total_page;
$pagecount = $this->pagecount;
if (empty($char)) {
$char = "[>]";
}
if ($pagecount<$total_page) {
$next_page = $pagecount + 1;
return "<a href=\"$linkhead"."pagecount=$next_page\" title=\"next page\">$char</a>";
} else {
return '';
}
}
#End of function next_page();
/**+-----------------------------------------------
| 取得页码数字条. $num 为个数,默认为10
| $color 为当前链接的突显颜色
| $left 数字左边 默认为"["
| $right 数字左右 默认为"]"
| i.e. $pb = new PageBar(50, 10);
| $num_bar = $pb->num_bar(9, "$cccccc");
| +-----------------------------------------------
*/
function num_bar($num='', $color='', $left='', $right='') {
$num = (empty($num))?10:$num;
$this->num = $num;
$mid = floor($num/2);
$last = $num - 1;
$pagecount = $this->pagecount;
$totalpage = $this->total_page;
$linkhead = $this->linkhead;
$left = (empty($left))?"[":$left;
$right = (empty($right))?"]":$right;
$color = (empty($color))?"#ff0000":$color;
$minpage = (($pagecount-$mid)<1)?1:($pagecount-$mid);
$maxpage = $minpage + $last;
if ($maxpage>$totalpage) {
$maxpage = $totalpage;
$minpage = $maxpage - $last;
$minpage = ($minpage<1)?1:$minpage;
}
for ($i=$minpage; $i<=$maxpage; $i++) {
$char = $left.$i.$right;
if ($i==$pagecount) {
$char = "<font color='$color'>$char</font>";
}
$linkchar = "<a href='$linkhead"."pagecount=$i'>".$char."</a>";
$linkbar = $linkbar.$linkchar;
} return $linkbar;
}
#End of function num_bar();
/**+-----------------------------------------------
| 取得上一组数字条.$char为链接的字符,默认为"[<<]"
| i.e. $pb = new PageBar(50, 10);
| $num_bar = $pb->num_bar();
| $pre_group = $pb->pre_group();
| +-----------------------------------------------
*/
function pre_group($char='') {
$pagecount = $this->pagecount;
$linkhead = $this->linkhead;
$num = $this->num;
$mid = floor($num/2);
$minpage = (($pagecount-$mid)<1)?1:($pagecount-$mid);
$char = (empty($char))?"[<<]":$char;
$pgpagecount = ($minpage>$num)?$minpage-$mid:1;
return "<a href='$linkhead"."pagecount=$pgpagecount' title=\"previous group number bar\">".$char."</a>";
}
#End of function pre_group();
/**+-----------------------------------------------
| 取得下一组数字条.$char为链接的字符,默认为"[>>]"
| i.e. $pb = new PageBar(50, 10);
| $num_bar = $pb->num_bar();
| $next_group = $pb->next_group();
| +-----------------------------------------------
*/
function next_group($char='') {
$pagecount = $this->pagecount;
$linkhead = $this->linkhead;
$totalpage = $this->total_page;
$num = $this->num;
$mid = floor($num/2);
$last = $num;
$minpage = (($pagecount-$mid)<1)?1:($pagecount-$mid);
$maxpage = $minpage + $last;
if ($maxpage>$totalpage) {
$maxpage = $totalpage;
$minpage = $maxpage - $last;
$minpage = ($minpage<1)?1:$minpage;
} $char = (empty($char))?"[>>]":$char;
$ngpagecount = ($totalpage>$maxpage+$last)?$maxpage + $mid:$totalpage; return "<a href='$linkhead"."pagecount=$ngpagecount' title=\"next group number bar\">".$char."</a>";
}
#End of function next_group(); /**+-----------------------------------------------
| 取得整个数字条，上一页，下一页，上一组
| 下一组的等.$num数字个数,$color 当前链接的突显色
| i.e. $pb = new PageBar(50, 10);
| $whole_num_bar = $pb->whole_num_bar(9);
| +-----------------------------------------------
*/
function whole_num_bar($num='', $color='') {
$num_bar = $this->num_bar($num, $color);
return $this->first_page(1).$this->pre_group().$this->pre_page().$num_bar.$this->next_page().$this->next_group().$this->total_page(1);
}
#End of function whole_bar();
/**+-----------------------------------------------
| 取得整链接，等于whole_num_bar加上表单跳转.
| $num数字个数,$color 当前链接的突显色
| i.e. $pb = new PageBar(50, 10);
| $whole_bar = $pb->whole_bar(9);
| +-----------------------------------------------
*/
function whole_bar($jump='', $num='', $color='') {
$whole_num_bar = $this->whole_num_bar($num, $color)." ";
$jump_form = $this->jump_form($jump);
return <<<EOT
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<tr>
<td align="right">$whole_num_bar</td>
<td width="50" align="right">$jump_form</td>
</tr>
</table>
EOT;
}
/**+-----------------------------------------------
| 跳转表单
| i.e. $pb = new PageBar(50, 10);
| $Jump_form = $pb->Jump_form();
| +-----------------------------------------------
*/
function Jump_form($jump='') {
$formname = "pagebarjumpform".$jump;
$jumpname = "jump".$jump;
$linkhead = $this->linkhead;
$total = $this->total_page;
$form = <<<EOT
<table width="100%" border="0" cellspacing="0" cellpadding="0">
<script language="javascript">
function $jumpname(linkhead, total, page){
var pagecount = (page.value>total)?total:page.value;
pagecount = (pagecount<1)?1:pagecount;
location.href = linkhead + "pagecount=" + pagecount;
return false;
}
</script>
<form name="$formname" method="post" onSubmit="return $jumpname('$linkhead', $total, $formname.page)"><tr>
<td>
<input name="page" type="text" size="1">
<input type="button" name="Submit" value="GO" onClick="return $jumpname('$linkhead', $total, $formname.page)">
</td>
</tr></form></table>
EOT;
return $form;
}
#End of function Jump_form();
}
#End of class PageBar;
/*****//example
$total = 1000;
$onepage = 20;
$pb = new PageBar($total, $onepage);
$offset = "offset=".$pb->offset();
$pagebar1 = $pb->whole_bar();
$pagebar2 = $pb->whole_bar(2);
echo $offset."<br>".$pagebar1."<br>";
echo $offset."<br>".$pagebar1."<br>";
/** return:
offset=0
[1][<<][1][2][3][4][5][6][7][8][9][10][>][>>][50]
*****/
?>
if (eregi("",$pieces[$i]) and eregi("",$pieces[$i]) and ($Re==1)){
$headtemp_3=str_replace("","<b>",$pieces[$i]);
$headtemp_3=str_replace("","</b>",$headtemp_3);
$S.=$headtemp_3;
}
谁能解释一下这段代码
如果$star为0，也就是说从一行开始替换，替换的行数为$num+$star，
先判断第一行中是否存在和,如果存在则替换.
以此类推
<tr>
<td>
<span ID=oDiv1 STYLE="height=100;
width:90pt; text-align:left; font-size:9pt">
</span>
</td>
<td>
<span ID=oDiv2 STYLE="height=100;
width:90pt; text-align:left; font-size:9pt">
</span>
</td>
</tr>
</table><script>
var s= "我现在数据库里面有一篇<b>很长</b>的文章，我要把他读出来显示在页面上，但是一个页面显示太难看了，所以想分页显示，不知道要怎么做，偶比较菜，麻烦哪位好心人告诉我，尽量说得简单一点，我怕我看不懂。哈哈<br>";
s += "这个问题用js解决较好。可以这样写，自己扩展一下吧";
var hh = oDiv1.offsetHeight;
for(i=0;i<s.length;i++) {
oDiv1.innerHTML = s.substr(0,i);
if(hh < oDiv1.scrollHeight) {
do {
oDiv1.innerHTML = s.substr(0,--i);
}while(hh < oDiv1.scrollHeight);
break;
}
}
oDiv2.innerHTML = s.substr(i);
</script>