jqgrid部分：
$("#stocklist_grid").jqGrid({
url:'ajax.php?action=get_stock_list',
datatype: "json",
mtype: "POST",
colNames:['ID', 'Code', 'Name', 'Mark'],
colModel:[
{name:'id',index:'id',width:60,align:'center'},
{name:'code',index:'code', wdith: 80, align:'center', editable:true, edittype:'textarea', editoptions:{rows:'10'}},
{name:'name',index:'name', width: 80, align:'center'},
{name:'mark',index:'mark', width: 220, align:'left', formatter:function(cellvalue, options, rowObj){
return ""+cellvalue+"";
}}
],
