ext js动态加载checkbox的值及取值方法

转载自：http://janelan.iteye.com/blog/564505

DoctorWorkStation_CommonDoctorAdvice.CreateYZCheckBoxWin = function(store, colnum,title) {   
    var count = store.getCount();   
    var myCheckboxItems = [];   
    for (var i = 0; i < count; i++) {   
        var boxLabel = store.getAt(i).get("name");   
        var name = store.getAt(i).get("id");   
        myCheckboxItems.push({   
                    boxLabel : boxLabel,   
                    name : name   
                });   
    }   
    var myCheckboxGroup = new Ext.form.CheckboxGroup({   
                xtype : 'checkboxgroup',   
                itemCls : 'x-check-group-alt',   
                columns : colnum,   
                items : myCheckboxItems   
            });   
    var form = new Ext.FormPanel({   
                border : true,   
                frame : true,   
                labelAlign : "right",   
                buttonAlign : 'right',   
                layout : 'column',   
                width : 500,   
                items : [myCheckboxGroup],   
                buttons : [{   
                    xtype : 'button',   
                    text : '确定',   
                    handler : function() {   
                        var ids = [];   
                        var cbitems = myCheckboxGroup.items;   
                        for (var i = 0; i < cbitems.length; i++) {   
                            if (cbitems.itemAt(i).checked) {   
                                ids.push(cbitems.itemAt(i).name);   
                            }   
                        }   
                        win.destroy();   
                        if (ids.length) {   
                            Ext.Msg.alert("消息", "选中状态的id组合字符串为:"  
                                            + ids.toString());   
                        }   
                    }   
  
                }, {   
                    xtype : 'button',   
                    text : '取消',   
                    handler : function() {   
                        win.destroy();   
                    }   
  
                }]   
  
            });   
    var win = new Ext.Window({   
                modal : true,   
                layout : 'fit',   
                title : title,   
                width : 500,   
                height : 300,   
                plain : true,   
                items : [form]   
            });   
    win.show();   
  
}