Java如何获取jqGrid使用postData穿的参数？

jQuery(grid_selector).jqGrid({

				//direction: "rtl"

				url : ctx+"sms/sms_querySmsForPage.action",

				datatype : "json",

				//postData:postData,

				height: 330,

				colNames:[ 'ID','类型', '接收用户', '发送时间','短信内容','通道','状态'],

				colModel:[

					{name:'uid',index:'uid', width:50,sortable:false, sorttype:"int", editable: true,key:true},

					{name:'types',index:'types', width:80,sortable:false,editable: true,editoptions:{size:"20",maxlength:"30"},formatter:handleTypes},

					{name:'user',index:'user', width:180,sortable:false, editable: true,edittype:"checkbox",editoptions: {value:"Yes:No"},unformat: aceSwitch},

					{name:'time',index:'time', width:135,sortable:false, editable: true},

					{name:'sms',index:'sms',width:350, sortable:false,editable:true, sorttype:"date",unformat: pickDate},

					{name:'path',index:'path', width:80, sortable:false,editable: true,edittype:"textarea", editoptions:{rows:"2",cols:"10"}} ,

					{name:'state',index:'state', width:80, sortable:false,editable: true,edittype:"textarea", editoptions:{rows:"2",cols:"10"},formatter:handleState} ,

				],



				viewrecords : true,

				rowNum:10,

				rowList:[10,20,30],

				pager : pager_selector,

				altRows: true,

				autowidth:true,

				//toppager: true,



				scrollOffset:1,

				//multiselect: true,

				//multikey: "ctrlKey",

				multiboxonly: true,