Echarts X轴时间类型

option = {
tooltip : { trigger: "axis",},
toolbox : { show :true,

feature : { dataZoom : {show: true},
dataView : {show: true, readOnly: false},
magicType : {show: true, type: ["line", "bar"]},
restore : {show: true},
saveAsImage : {show: true}}},
calculable : true,
xAxis: [ { type:"time",
axisLabel :{formatter:function (value){return value.toLocaleDateString()+" "+value.getHours(); }}}],
yAxis: [ { type: "value", } ],
series: [ { name: "2P1电表", type: "line",
data: [
[new Date("2014/11/13 22:00:00"),29273],
[new Date("2014/11/13 23:00:00"),29430],
[new Date("2014/11/14 04:00:00"),30154],
[new Date("2014/11/15 07:00:00"),34127]
]
}
]
};