easyui-datagrid 加载数据 的两种方法

var start_date_entered=$('#start_date_entered').val(); //建立时间 
var stop_date_entered=$('#stop_date_entered').val();

var callerid=$('#select_callerid').val();    
var called=$('#select_called').val();
//查询条件
var query={ 'start_date_entered':start_date_entered,'stop_date_entered':stop_date_entered ,'callerid':callerid,'called':called   }; 

//方法一
var url='Api-index.php?module=<{$module_name}>&action=Api_GridView_Select<{$get_current_user}>' ;  //alert(url);
$('#grid').datagrid('options').url=url ; 
$('#grid').datagrid('options').queryParams=query;   
$('#grid').datagrid('reload');    

//方法二
$.ajax({  
    type: "POST", //POST和GET  
    async: false,  
    url: 'Api-index.php?module=<{$module_name}>&action=Api_GridView_Select<{$get_current_user}>',    //提交url 注意url必须小写  
    data: query,  // { "SearchContent": query, "pageSize": pageSize, "pageIndex": curr }
    success: function (result) {  
        var data = $.parseJSON(result);//转为 Json对象    
        $('#grid').datagrid('loadData', data); 

　　　　　alert(data.total);//总行数 
    }  
});  

//php 提交页
$table_name="ast_cdr";  
$arr_result = array(); //返回值  
$where='';//查询条件  
//日期条件    
$where=" and StartTime >='{$_POST['start_date_entered']}' and StartTime <='{$_POST['stop_date_entered']}' ";  
//其它条件
if($_POST['callerid']!=''){  
  $where .=" and CallerId = '{$_POST['callerid']}' ";   
} 
if($_POST['called']!=''){  
  $where .=" and Called = '{$_POST['called']}' ";   
}

//分页  
$page = isset($_POST['page']) ? intval($_POST['page']) : 1;   
$rows = isset($_POST['rows']) ? intval($_POST['rows']) : 10;   
$offset = ($page-1)* $rows;   
    
$sql ="SELECT COUNT(id) AS total FROM {$table_name} where 1=1 " . $where ;   //WriteLog($sql);  
$arr_result['total'] =$db->query_count($sql);//总行数 
//WriteLog($result['total'].'-----' );  
    
//结果集      
$items = array();
         
$order_by=" order by StartTime desc ";/
$sql = "select * from {$table_name} where 1=1 ".$where .$order_by." limit $offset,$rows ";   
//WriteLog($sql);  
        
//导出

if($_GET['target']=="ToExcel" || $_GET['target']=="Print" ){
  $arr_result['where'] = $where;      //将条件 传出
  $arr_result['order_by'] = $order_by;      //将条件 传出
  //WriteLog($where);  
  //WriteLog($order_by);  
  echo json_encode($arr_result);
  exit(0);
}
    
$result_rows=$db->query($sql);  
while($row=$db->fetch_array($result_rows))  
{  
    $select_title="放音";//iconv('GB2312','UTF-8','选择');  
    $row['select']='<a href="#"  style="text-decoration:none;" onclick="javascript:Play_Record(\''. $row['UniqueId']. '\');"> ' . $select_title . ' </a>';
    array_push($items, $row);    
}  
$arr_result['rows'] = $items;       
echo json_encode($arr_result);