因为项目需要，做了一个类似电商的时间预约功能，觉得有用，就独立出来成了个小插件。
QQ截图20171028135342.png
部分js代码
var that=this;
function getThisMonthDays(year, month) {
return new Date(year, month, 0).getDate();
}
// 计算每月第一天是星期几
function getFirstDayOfWeek(year, month) {
return new Date(Date.UTC(year, month - 1, 1)).getDay();
}
const date = new Date();
const cur_year = date.getFullYear();
const cur_month = date.getMonth() + 1;
const cur_date=date.getDate();
const weeks_ch = ['日', '一', '二', '三', '四', '五', '六'];
//利用构造函数创建对象
function calendar(date,week){
this.date=cur_year+'-'+cur_month+'-'+date;
if(date==cur_date){
this.week = "今天";
}else if(date==cur_date+1){
this.week = "明天";
}else{
this.week = '星期' + week;
}
}
//当前月份的天数
var monthLength= getThisMonthDays(cur_year, cur_month)
//当前月份的第一天是星期几
var week = getFirstDayOfWeek(cur_year, cur_month)
var x = week;
for(var i=1;i<=monthLength;i++){
//当循环完一周后，初始化再次循环
if(x>6){
x=0;
}
//利用构造函数创建对象
that.data.calendar[i] = new calendar(i, [weeks_ch[x]][0])
x++;
}
//限制要渲染的日历数据天数为7天以内（用户体验）
var flag = that.data.calendar.splice(cur_date, that.data.calendar.length - cur_date <= 7 ? that.data.calendar.length:7)
that.setData({
calendar: flag
})
//设置scroll-view的子容器的宽度
that.setData({
width: 186 * parseInt(that.data.calendar.length - cur_date <= 7 ? that.data.calendar.length : 7)
})
