store.load({params:{start:0,limit:pageSize,Keyword:Ext.getCmp('input_name').getValue()}});

doLoad : function(start){
record_start = start;
var o = {}, pn = this.paramNames;
o[pn.start] = start;
o[pn.limit] = this.pageSize;
var Keyword=Ext.getCmp('input_name').getValue(); //獲取參數
o['Keyword'] = Keyword ;//參數寫入
this.store.load({params:o});//載入
}