PHP 分页类(模仿google)-面试题目解答

2019-04-10 06:47:39于海丽

}
return $content;
}

public function getPart2(){
$content = '<a href="'.$this->getUrl(1).'">1</a> ';
$add = '';
if($this->currentPage > $this->startHidden){
$add = '...';
}
if($this->currentPage == 1){
$content = '[1] ';
$add = '';
}
$part2 = $content.$add;
return $part2;
}

public function getPart3(){
$content = '';
if($this->currentPage <= $this->startHidden){
//[1] 2 3 4 5 6 7 8 9 10 ...100 下页 尾页
$long = $this->showPagesNo - 2;
for($i=0;$i<$long;$i++){
$j = $i+2;
if($j == $this->currentPage){
$content .= '['.$this->currentPage.'] ';
}else{
$content .= '<a href="'.$this->getUrl($j).'">'.$j.'</a> ';
}

}

}elseif( $this->currentPage >= $this->endHidden ){
//首页 上页 1..92 93 94 95 96 97 98 [99] 100
$long = $this->showPagesNo - 2;
$_start = $this->allPage - $long;
for($i=0;$i<$long;$i++){
$j = $_start + $i;
if($j == $this->currentPage){
$content .= '['.$this->currentPage.'] ';
}else{
$content .= '<a href="'.$this->getUrl($j).'">'.$j.'</a> ';
}
}
}else{
//首页 上页 1..12 13 14 15 [16] 17 18 19 20 ...100 下页 尾页
$long = $this->showPagesNo - 2;
$offset = $this->getInt($long/2) - 1;
$_start = $this->currentPage - $offset;
for($i=0;$i<$long;$i++){
$j = $_start + $i;
if($j == $this->currentPage){
$content .= '['.$this->currentPage.'] ';
}else{
$content .= '<a href="'.$this->getUrl($j).'">'.$j.'</a> ';
}
}
}
$part3 = $content;
return $part3;
}

public function getPart4(){
$content = '<a href="'.$this->getUrl().'">'.$this->allPage.'</a> ';
$add = '';
if($this->currentPage < $this->endHidden){
$add = '...';
}
if($this->currentPage == $this->allPage){
$content = '['.$this->allPage.']';
$add = '';
}
$part4 = $add.$content;
return $part4;

}

public function getPart5(){
$content = '<a href="'.$this->getUrl('next').'">下页</a> <a href="'.$this->getUrl().'">尾页</a>';
if($this->currentPage >= $this->endHidden){
$content = '';
}
return $content;
}

public function show(){
//判断非法
if(!is_numeric($this->currentPage) || $this->currentPage < 0 || $this->currentPage > $this->allPage){
print 'error:pageNo is flase';
return;
}
//总页数没有达到显示分页栏的总页码数,则全部显示
if($this->allPage < $this->showPagesNo){
$long = $this->allPage;
for($i=0;$i<$long;$i++){
$j = $i+1;
if($j == $this->currentPage){
$content .= '['.$this->currentPage.'] ';
}else{
$content .= '<a href="'.$this->getUrl($j).'">'.$j.'</a> ';
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