/5/29",
                    "2013/5/30", "2013/5/31", "2013/6/3", "2013/6/4", "2013/6/5",
                    "2013/6/6", "2013/6/7", "2013/6/13"
                ];

                option = {
                    title : {
                        text: '2013年上半年上证指数'
                    },
                    tooltip : {
                        trigger: 'axis',
                        showDelay: 0,             // 显示延迟，添加显示延迟可以避免频繁切换，单位ms
          