小程序實現微信朋友圈時間顯示效果


 

小程序實現微信朋友圈時間顯示效果:

1分鍾前,2分鍾前,···,59分鍾前,1小時前,2小時前,···,23小時前,一天前,2天前,2019-06-21 等等...

 

相關代碼如下:getTime() {    let start = '2019-6-21 22:41:00'    let nowTime = new Date()

 let oldTime = new Date(start) let diff = Math.floor((nowTime - oldTime)/1000/60) let time = start if(diff <= 59){ time = diff + '分鍾前' }else if(diff <= 60*24-1){ time = Math.floor(diff / 60) + '小時前' }else if(diff <= 60*24*3-1){ time = Math.floor(diff / 60 / 24) + '天前' }else{ time = time.split(" ")[0] } return time }

 

實際開發過程中,會發現后台返回的數據不可能一直是 yyyy-mm-dd hh:ii:ss 格式的

也可能返回的是時間戳,這個時候會報  time.split 不是一個方法

 

解決方法:將時間戳或者 yyyy-mm-dd hh:ii:ss 格式 都通過js的Dete對象轉換,代碼如下:

getTime() {
    let start = '2019-6-21 22:41:00'
    let nowTime = new Date()
    let oldTime = new Date(start)
    let diff = Math.floor((nowTime - oldTime) / 1000 / 60)
    let time = start
    if (diff <= 59) {
        time = diff + '分鍾前'
    } else if (diff <= 60 * 24 - 1) {
        time = Math.floor(diff / 60) + '小時前'
    } else if (diff <= 60 * 24 * 3 - 1) {
        time = Math.floor(diff / 60 / 24) + '天前'
    } else {
        // time = time.split(" ")[0]   // startTime格式:yyyy-mm-dd hh:ii:ss
        time = this.getNowFormatDate(time)
    }
    return time
}
getNowFormatDate(time) {
    let date = new Date(time);
    let seperator1 = "-";
    let year = date.getFullYear();
    let month = date.getMonth() + 1;
    let strDate = date.getDate();
    if (month >= 1 && month <= 9) {
        month = "0" + month;
    }
    if (strDate >= 0 && strDate <= 9) {
        strDate = "0" + strDate;
    }
    let currentdate = year + seperator1 + month + seperator1 + strDate;
    return currentdate;
}

 

開發中因為不確定后台傳回的是什么樣的格式,因此在剛開始添加全局替換

ios不支持 “yyyy-mm-dd”,那么就替換成 “yyyy/mm/dd”

let reg=new RegExp("-");
if(reg.test(startTime)){
    startTime = startTime.replace(/-/g, '/')
}

 


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