grid: {
 left: 200
},
legend: {
    x: 'left',
    data: ['送风温度', '混风温度', '冷冻水送水温度', '冷冻水回水温度', '热水送水温度', '热水回水温度', '送风温度设定点', '风机速度','风机速度反馈','风阀开度'],
 inactiveColor: '#999',
 selectedMode: 'single',
 orient: 'vertical',
 width: 150,
 top: 50,
 borderWidth: 2,
 borderColor: 'blue',
 textStyle: {
 color: '#000'
 }
}

legend: {
 x: 'left',
 data: ['送风温度', '回风温度', '室外温度', '室外湿度', '', '室内1温度', '室内1湿度', '室内2温度', '室内2湿度'],
 inactiveColor: '#999',
 selectedMode: 'single'
 }