页面向后台传数据：

        var oTable = $('#sample_2').dataTable( {            "aoColumnDefs": [                { "aTargets": [ 0 ] }            ],            "aaSorting": [[1, 'asc']],             "aLengthMenu": [                [5, 15, 20, -1],                [5, 15, 20, "全部"] // change per page values here            ],            // set the initial value            bPaginate : true,          //  是否分页，默认为 true，分页            bLengthChange : true,     //  是否允许用户通过一个下拉列表来选择分页后每页的行数。行数为 10，25，50，100。这个设置需要 bPaginate 支持。默认为 true。            "iDisplayLength": 10,            "bProcessing": true,            "sAjaxSource" : "../../appcontroller/applist.json?currpage=1&pagesize=10",            "sAjaxDataProp" : "list",            "bServerSide" : true, // 异步请求必须设置            // "sPaginationType": "full_numbers",            "aoColumns": [                {"mDataProp":"id"},                {"mDataProp":"icon",                    "mRender": function(data, type, full) {                        return '
    ';                    }                },                {"mDataProp":"title"},                {"mDataProp":"price"},                {"mDataProp":"createtime"},                {"mDataProp":"updatetime"},                {"mDataProp":"state",                    "mRender": function(data, type, full) {                        var value = "已发布"                        if ("0" == data){                            value = "草稿"                        } else if("-1" == data){                            value = "已删除"                        }                        return value                    }                }            ],            "fnServerData" : function(sSource, aoData, fnCallback){                $.ajax({                    "type" : "get",                    "contentType" : "application/json",                    "url" : sSource,                    "dataType" : "json",                    "data" : {                        aoData :JSON.stringify(aoData)                    }, // 以json格式传递                    "success" : function(resp) {                        if(resp){                            fnCallback(resp);                        } else {                            fnCallback({"list":[]});                        }                    }                })            },            "oLanguage": {                "sProcessing": "正在加载中......",                "sLengthMenu": "每页显示 _MENU_ 条记录",                "sZeroRecords": "对不起，查询不到相关数据！",                "sEmptyTable": "表中无数据存在！",                "sInfo": "当前显示 _START_ 到 _END_ 条，共 _TOTAL_ 条记录",                "sInfoFiltered": "数据表中共为 _MAX_ 条记录",                "sSearch": "搜索",                "oPaginate": {                    "sFirst": "首页",                    "sPrevious": "上一页",                    "sNext": "下一页",                    "sLast": "末页"                }            } //多语言配置        });

后台解数据：

        $aoData = $_GET['aoData'];        $sEcho = 1;        $iDisplayStart = 0;     
    
         // 开始下标        $iDisplayLength = 10;           
     
      //   每页记录数（这两个参数是从前台传过来的，用作分页查询）        if($aoData) {            $aoDataJson = json_decode($aoData);            foreach($aoDataJson as $value) {                $nameKey = $value->name;                $valueKey = $value->value;                if($nameKey == "sEcho") {                    $sEcho = $valueKey;                } elseif($nameKey == "iDisplayStart") {                    $iDisplayStart = $valueKey;                } elseif($nameKey == "iDisplayLength") {                    $iDisplayLength = $valueKey;                }            }        }        $title = $_GET['title'];        $is_offline = $_GET['is_offline'];        $state = $_GET['state'];        $pagesize = $iDisplayLength and $iDisplayLength or $_GET['pagesize'];        $currpage =$sEcho and $sEcho or $_GET['currpage'];        ! $pagesize && $pagesize = 12;        ! $currpage && $currpage = 1;        $condition = array();        $title && $condition['title'] = $title;        $is_offline && $condition['is_offline'] = $is_offline;        $state && $condition['state'] = $state;        $pagesize && $condition['pagesize'] = $pagesize;        $currpage && $condition['currpage'] = $currpage;        $service = $this->App_model->findListApp($condition);        $service['returncode'] = '000000';        $service['iTotalRecords'] = 3;           // 总记录数        $service['iTotalDisplayRecords'] = 30;   // 当前页包含的记录数（这两个是必须返回的）        return $service;