//将秒转化为时间戳
function timestampToTime(seconds){
    var date = new Date(seconds*1000)
        var year = date.getFullYear();
        var month = date.getMonth() + 1;
        var day = date.getDate();      
        var currentTime = year + "-" + month + "-" + day ;
        return currentTime
}

//过滤字符串中所有html标签
function filterHTMLTag(str) {
    str = str.replace(/<\/?[^>]*>/g, ''); //去除HTML tag
    str = str.replace(/[ | ]*\n/g, '\n'); //去除行尾空白
    str = str.replace(/ /ig, ''); //去掉 
    return str;
}