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标题: 一个odbc连mssql分页的类 [打印本页]

作者: 新格网络 时间: 2018-2-14 09:46


cn=@odbc_connect($dsn,$user,$pass);
      if(!$this->cn){
         $error="连接数据库出错";
         $this->getMess($error);
      }
}
function getDo($sql){//从表中查询数据
      $this->d=@odbc_do($this->cn,$sql);
      if(!$this->d){
         $error="查询时发生了小错误......";
         $this->getMess($error);
      }
      return $this->d;
}
function getTotal($sql){
      $this->sql=$sql;
      $dT=$this->getDo($this->sql);       //求总数的游标
      $this->total=odbc_result($dT,'total');//这里为何不能$this->d呢？
      return $this->total;
}
function getList($sql,$onepage,$page){
      $this->s=$sql;
      $this->onepage=$onepage;
      $this->page=$page;
      $this->dList=$this->getDo($this->s); //连接表的游标
      $this->pages=ceil($this->total/$this->onepage);
      if($this->pages==0)
         $this->pages++; //不能取到第0页
      if(!isset($this->page))
         $this->page=1;
      $this->fre = $this->page-1;                   //将显示的页数
      $this->nxt = $this->page+1;
      $this->nums=($this->page-1)*$this->onepage;
      //if($this->nums!=0){
      // for($this->i=0;$this->igetNums();odbc_fetch_row($this->dd),$this->i++);//同上
      //}
      //$this->i=0;//为何这部分不能封装？
      return $this->dList;
}
function getFanye(){
      $str="";
      if($this->page!=1)
         $str.="[url=] 首页 [/url][url=]fre."> 前页 [/url]";
         else
            $str.="
首页前页
";
      if($this->pagepages)
         $str.="[url=]nxt."> 后页 [/url]";
         else
            $str.="
后页
";
      if($this->page!=$this->pages)
         $str.="[url=]pages."> 尾页 [/url]";
         else
            $str.="
尾页
";
      $str.="共".$this->pages."页";
      $str.="您正浏览第
".$this->page."
页";
      return $str;
}
function getNums(){
      return $this->nums;
}
function getOnepage(){//每页实际条数
      return $this->onepage;
}
function getI(){
      return $this->i;
}
function getPage(){
      return $this->page;
}
function getMess($error){//定制消息
      echo"$error";
      exit;
}
}
$pg=new Pages();
$pg->getConnect("lei","sa","star");
$pg->getTotal("select count(*) as total from xs");          //连学生表求总数
$pg->getList("select xs_name from xs order by xs_id",8,$page);
if($pg->getNums()!=0){
for($i=0;$igetNums();odbc_fetch_row($pg->dList),$i++);//同上
}
$i=0;
while(odbc_fetch_row($pg->dList)){
$name=odbc_result($pg->dList,"xs_name");
echo $name."
";
if($i==$pg->getOnepage()){//跳出循环
      break;
}
$i++;
}
echo$pg->getFanye();
?>

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