?php
namespace Home\Controller;
use Think\Controller;
class IndexController extends Controller {
  /**
  *@brief 查询
  ****/
  public function index(){
  $choose = I('choose','-6');
  $c['easy_hard'] = $choose;
    $type=I('typeid','');
    $nowpage=I('page',1);
    if($type == '')
    {
      if($choose == -6)
      {
        $totalpage=ceil((D('data')->count())/10);
        $infos=D('data')->limit(($nowpage-1)*10,10)->select();
      }else{
        $totalpage=ceil((D('data')->where($c)->count())/10);
        $infos=D('data')->where($c)->limit(($nowpage-1)*10,10)->select();
      }
    }else{
      if($choose == -6)
      {
        $map['data'] = array('like',"%$type%");
        $totalpage=ceil((D('data')->where($map)->count())/10);
        $infos=D('data')->where($map)->limit(($nowpage-1)*10,10)->select();
      }else{
        $map['data'] = array('like',"%$type%");
        $totalpage=ceil((D('data')->where($map)->where($c)->count())/10);
        $infos=D('data')->where($map)->where($c)->limit(($nowpage-1)*10,10)->select();
      }
    }
  $this->assign('type',$type);
    $this->assign('choose',$choose);
    $this->assign("totalpage",$totalpage);
    $this->assign("infos",$infos);
    $this -> display();
  }
}

!DOCTYPE html>
html lang="en">
head>
  meta charset="UTF-8">
  title>Think Demo/title>
  script type="text/javascript" src="__PUBLIC__/jquery-1.11.1/jquery.min.js">/script>
  script type="text/javascript" src="__PUBLIC__/jquery-1.11.1/jquery.js">/script>
  script type="text/javascript" src="__PUBLIC__/layer/layer.js">/script>
  script type="text/javascript" src="__PUBLIC__/laypage/laypage.js">/script>
/head>
body>
div>
 select name="" id="slc1" onchange="return choose()">
  option value="-6" if condition="$choose eq -6 "> selected /if> >全部/option>
  option value="0" if condition="$choose eq 0 "> selected /if> >简单/option>
  option value="1" if condition="$choose eq 1 "> selected /if> >一般/option>
 /select>
  input type="text" value="if condition="$type neq '' "> {$type} /if>" id="type">button id="sou">搜索/button>
/div>
br>
  table border="1" width="500" height="150" >
        tr>
          th>ID/th>
          th>语言/th>
          th>难易程度/th>
          th>操作/th>
        /tr>
        volist name="infos" id="vo">
        tr>
          th>{$vo.id}/th>
          th>{$vo.data}/th>
          th>
            if condition="$vo.easy_hard eq '0'">简单
            else />一般
            /if>
          /th>
          th>
            a href="javascript:;" rel="external nofollow" rel="external nofollow" onclick="return del({$vo.id});">删除/a>
            a href="javascript:;" rel="external nofollow" rel="external nofollow" onclick="return edit({$vo.id});">修改/a>
          /th>
        /tr>
        /volist>
  /table>
  div style="margin-top:15px; text-align:center;" id="page11">/div>
  button onclick="return add_()"> 添加 /button> br />
script type="text/javascript">
  function choose()
  {
    var type=$("#type").val();
    var checkValue=$("#slc1").val();
    window.location.href="?typeid=" rel="external nofollow" rel="external nofollow" +type+"choose="+checkValue;
  }
  $("#sou").bind("click",function(event){
    var type=$("#type").val();//获取假设的搜索条件值
    var checkValue=$("#slc1").val();
    window.location.href="?typeid=" rel="external nofollow" rel="external nofollow" +type+'choose='+checkValue;
  });
  $(function(){
      laypage({
        cont: 'page11',
        pages: {$totalpage}, //假设我们获取到的是18（后端计算完总页数后将总页数值传过来，放在这里即可（类似{$totalpage}））.
       curr: function(){ //通过url获取当前页，也可以同上（pages）方式获取
         var page = location.search.match(/page=(\d+)/);
            return page ? page[1] : 1;//如果没有页数显示时，默认是第一页
          }(),
          jump: function(e, first){ //触发分页后的回调
            if(!first){ //一定要加此判断，否则初始时会无限刷新
              location.href=setParam("page",e.curr);
            }
          }
      });
  });
  function setParam(param,value){
    var query = location.search.substring(1);
    var p = new RegExp("(^|)" + param + "=([^]*)(|$)");
    if(p.test(query)){
      //query = query.replace(p,"$1="+value);
      var firstParam=query.split(param)[0];
      var secondParam=query.split(param)[1];
      if(secondParam.indexOf("")>-1){
        var lastPraam=secondParam.split("")[1];
        return '?'+firstParam+''+param+'='+value+''+lastPraam;
      }else{
        if(firstParam){
          return '?'+firstParam+''+param+'='+value;
        }else{
          return '?'+param+'='+value;
        }
      }
    }else{
      if(query == ''){
        return '?'+param+'='+value;
      }else{
        return '?'+query+''+param+'='+value;
      }
    }
  }
/script>
/body>
/html>