ajax请求

	/*全民看盘*/
	$('#qmkp').click(function () {
		if($("#qmkps tr").length>0){

		}else{
			var Ajaxurl = "<?php echo site_url('bactive/qmkp'); ?>";
			$.ajax({
				url: Ajaxurl,
				dataType: "jsonp",
				data: {},
				success: function (data) {
					//alert(data);
					var HtmlTr = '';
					var STATIC_url = "<?php echo STATIC_File_url;?>";
					var topL = 1;
					var picDefault = "<?php echo $this->config->item('avatarurl_defult');?>";
					//alert(picDefault);
					var score_level = '';
					if(data.Status && data.Data){
						$.each(data.Data,function(key,val){
							var heigher_type = val.heigher_type;
							var stock_rank = val.stock_rank;
							var stock_score = val.stock_score;
							var stock_win_rate = val.stock_win_rate;
							var nickname = val.nickname;
							var avatarurl = val.avatarurl;
							var picUrl = val.picUrl;
							var picDi = val.picDi;
							var uidList = val.uidList;
							if(heigher_type == 1 || heigher_type ==2){
								score_level = "<em class=\"Headvip\"><img src="+STATIC_url+"images/big_v.png"+"></em>";
							}
							if(topL<=9){
								Url = "\'niuNum niuNum"+topL+"\'";
								HtmlTr = HtmlTr+"<tr>"+
										"<td  class=\"tabLeft\" width=\"55\"><span class="+Url+"></span></td>";
							}else if(topL <= 19) {
								var cl1 = topL%10;
								if(cl1 == 0){
									var topl1 = 1;
									var topl2 = 10;
								}else{
									var topl1 = 1;
									var topl2 = topL;
								}
								var Url1 = "\'niuNum smallNum"+topl1+"\'";
								var Url2 = "\'niuNum niuNum"+topl2+"\'";
								HtmlTr = HtmlTr + "<tr>" +
										"<td class=\"tabLeft\" width=\"55\"><span class="+Url1+"></span><span class="+Url2+"></span></td>";
							}else{
								topl1 = 2;
								topl2 = 10;
								Url1 = "\'niuNum smallNum"+topl1+"\'";
								Url2 = "\'niuNum niuNum"+topl2+"\'";

								HtmlTr = HtmlTr + "<tr>" +
										"<td class=\"tabLeft\" width=\"55\"><span class="+Url1+"></span><span class="+Url2+"></span></td>";
							}
							HtmlTr = HtmlTr +'<td width="147"><div class=\"infro\" clstag=\"app | keycount | grzx | zck\" οnclick="Niugu_quiz_s('+uidList+')">'+score_level+'<img class="headBg" src="'+picDi+'" /><img class="ykHead" src="'+avatarurl+'"  οnerrοr="this.src=\''+picDefault+'\'" /><span class="yhname">'+nickname+'</span></div></td>'+
									'<td width="123"><div class="honor"><img src="'+picUrl+'"><span class="ry">'+stock_rank+'</span></div></td>'+
									'<td width="102"><span class="red dpj">'+stock_rank+'</span></td>'+
									'<td width="72"><span>'+stock_score+'</span></td>'+
									'<td class="tabRight" width="74"><span class="red sl">'+stock_win_rate+'</span></td>'+
									'</tr>';
							topL = topL + 1;

						});
						$("#qmkps").html(HtmlTr);
					}else{
						$("#qmkps").html("<tr><td width=\"12%\"><span class=\"\">暂无数据，请稍后再来。</span></td></tr>");
					}


				}

			});
		}
	})

控制器

  public function qmkp()
    {
        //$data = 1; //全民看盘
        $data['pagesize'] = 20;
        $data['page'] = 1;
        $nrbqmkpList = $this->market->highestRank($data);
        if(isset($nrbqmkpList["Data"]["List"])){
            $nrbqmkpList = $nrbqmkpList["Data"]["List"];
            foreach ($nrbqmkpList as $key => &$value) {
                //大v
                $heigher_type = $value["heigher_type"];
                $market_v = "";
                if($heigher_type == 1 or $heigher_type == 2){
                    $picV = STATIC_File_url."images/big_v.png"; //圆角处理
                    $market_v = "<em class=\"Headvip\"><img src=\"$picV\"></em>";
                }
                $value['heigher_type'] = $heigher_type;
                $market_level = $value['market_level'];//大盘荣誉等级图标
                $stock_rank = config_item('market_score_name')[$market_level];//荣誉等级名称
                $value['stock_rank'] = $stock_rank;
                $stock_score = $value['market_score'] ? $value['market_score'] : "--";//猜股总积分
                $value['stock_score'] = $stock_score;
                $stock_win_rate = $value['market_win_rate']*100 ? $value['market_win_rate']*100 . "%" : "--";//大盘胜利率
                $value['stock_win_rate'] = $stock_win_rate;
                $nickname = isset($value["userinfo"]["nickname"])?mb_strcut($value["userinfo"]["nickname"],0,12,'utf-8'):"";//用户名
                $value['nickname'] = $nickname;
                $avatarurl = isset($value["userinfo"]['avatarurl'])?$value["userinfo"]['avatarurl']:"";//头像
                $value['avatarurl'] = $avatarurl;
                $picUrl = STATIC_File_url."images/taogu".$market_level.".png";
                $value['picUrl'] = $picUrl;
                $picDi = STATIC_File_url."images/smallheadBg.png";
                $value['picDi'] = $picDi;
                $uidList = $value["userinfo"]['uid'];
                $value['picDefault'] = $this->config->item('avatarurl_defult');
                $value['uidList'] = $uidList;
            }
            $this->returns(1,0,'数据获取成功',$nrbqmkpList);
        }else{
            $this->returns(0,0,'暂无数据');
        }
    }

封闭返回json方法

/**
	 * 接口返回值
	 * Json格式数据
	 */
	public function returns($status,$code,$msg = '',$data = NULL,$callback = NULL){

        // 将时间递归转换为北京标准时间



        if(empty($msg)){
            // $msg = $this->lang->line(''.$code);
            //var_dump($msg);echo "<hr>";
        }
        if(empty($callback)){
            if($data === NULL){
                if (empty($this->callback)) {
                    echo json_encode(array('Status' => $status,'ErrorCode' => $code,'Msg' => $msg));
                } else{
                    echo $this->callback.'('.json_encode(array('Status' => $status,'ErrorCode' => $code,'Msg' => $msg)) . ')';
                }

            }else{
                if (empty($this->callback)) {
                    echo json_encode(array('Status' => $status,'ErrorCode' => $code,'Msg' => $msg,'Data' =>$data));
                } else{
                    echo $this->callback.'('.json_encode(array('Status' => $status,'ErrorCode' => $code,'Msg' => $msg,'Data' =>$data)).')';
                }
            }
        }else{
            if($data === NULL){
                echo $callback.'('.json_encode(array('Status' => $status,'ErrorCode' => $code,'Msg' => $msg)).')';
            }else{
                echo $callback.'('.json_encode(array('Status' => $status,'ErrorCode' => $code,'Msg' => $msg,'Data' =>$data)).')';
            }
        }
        exit();
	}