eChars动态24小时x轴（以当前时间为基准往前推23小时）

js代码：
let myDate = new Date();
let currentHours = myDate.getHours() + 1;
let xAxisData = [];
let hours = 0;
for(let i = 0; i < 24; i++){
if(currentHours + i > 24){
hours += 1;
xAxisData[i] = hours;
}else if(currentHours + i == 24){
xAxisData[i] = 0;
}else {
xAxisData[i] = currentHours + i;
}
}

赋值：

效果