EXTJS store 添加baseParams

//gridP gridpanel id
Ext.apply(Ext.getCmp("gridP").store.baseParams, { 参数1: 111, 参数2:222 });

 

 grid = new Ext.grid.GridPanel({
        frame: true,
        id: 'gridP',
        title: 'Order List',
        stripeRows: true, //斑马线
        store: store,
        applyTo: 'view', //指定显示数据的div
        trackMouseOver: true,
        height: 700,
         window.screen.width - 17, //屏幕分辨率的宽   textfield
        tbar: [
            {
                xtype: 'label',
                text: '选择日期'
            },
             {
                 xtype: 'datefield',
                 id: 'txtBegin'
             },
               {
                   xtype: 'label',
                   text: '---'
               },
             {
                 xtype: 'datefield',
                 id: 'txtEnd'
             },
             {
                 xtype: 'button',
                 text: 'Search',
                 handler: function () {
                     //提交数据 
                     var begin = Ext.fly('txtBegin').dom.value;
                     var end = Ext.fly('txtEnd').dom.value;
                     document.getElementById('hdbegin').value = begin;
                     document.getElementById('hdend').value = end;
                     if (begin == "") return;
                     if (end == "") return;
                     store.proxy.conn.url = 'ExtData.aspx?type=3&p=' + Math.random();

                     //往store添加baseParams
                     Ext.apply(Ext.getCmp("gridP").store.baseParams, { begin: begin, end: end });

                     store.load({
                         params: {
                             start: 0,
                             limit: 20,
                             begin: begin,
                             end: end
                         }
                     })

                 }
             }
        ],
        viewConfig: {
            forceFit: true, //让grid的列自动填满grid的整个宽度，不用一列一列的设定宽度。
            emptyText: 'No Data'
        },
        loadMask: { msg: 'loading……' },

        columns: [
            new Ext.grid.RowNumberer(), //行号
            {header: '<font size=2>OrderID</font>', dataIndex: 'OrderID', sortable: true, align: "center" },
            { header: '<font size=2>Sales Type</font>', dataIndex: 'State', sortable: true, align: "center", hidden: true,
                renderer: function (value) {
                    if (value == "0") { return "pending"; } else if (value == "1") { return "processed"; } else { return "xxx"; }
                }
            },
            { header: '<font size=2>SO</font>', dataIndex: 'SO', sortable: true, align: "center" },
            { header: '<font size=2>PSI</font>', dataIndex: 'PSI', sortable: true, align: "center" },
            { header: '<font size=2>Company</font>', dataIndex: 'Company', sortable: true, align: "center" },
            { header: '<font size=2>Date</font>', dataIndex: 'Odate', sortable: true, align: "center" },
            { header: '<font size=2>Email</font>', dataIndex: 'Email', sortable: true, align: "center" },
            { header: '<font size=2>Payment</font>', dataIndex: 'Payment_Terms_Code', sortable: true, align: "center" },
            { header: '<font size=2>Preorderid</font>', dataIndex: 'Preorderid', sortable: true, align: "center" },
            { header: '<font size=2>Items</font>', dataIndex: 'Items', sortable: true, align: "center" }
           ],
        bbar: new Ext.PagingToolbar({//分页
            pageSize: 20,
            store: store,
            displayInfo: true, //非要为true，不然不会显示下面的分页按钮
            emptyMsg: "NO DATA"
        })
    })