JS库

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//毫秒转换成时间格式方法
function timestampToTime(timestamp) { ???????var date = new Date(timestamp);//时间戳为10位需*1000，时间戳为13位的话不需乘1000 ???????Y = date.getFullYear() + ‘-‘; ???????M = (date.getMonth()+1 < 10 ? ‘0‘+(date.getMonth()+1) : date.getMonth()+1) + ‘-‘; ???????D = date.getDate() + ‘ ‘; ????????h = date.getHours() + ‘:‘; ???????m = date.getMinutes() + ‘:‘; ???????s = date.getSeconds(); ????????return Y+M+D+h+m+s; }

 ???????Date.prototype.Format = function (fmt) { ????????????var o = { ???????????????"M+": this.getMonth() + 1, //月份 ????????????????"d+": this.getDate()-1, //日 ????????????????"h+": this.getHours(), //小时 ????????????????"m+": this.getMinutes(), //分 ????????????????"s+": this.getSeconds(), //秒 ????????????????"q+": Math.floor((this.getMonth() + 3) / 3), //季度 ????????????????"S": this.getMilliseconds() //毫秒 ????????????}; ???????????if (/(y+)/.test(fmt)) fmt = fmt.replace(RegExp.$1, (this.getFullYear() + "").substr(4 - RegExp.$1.length)); ???????????for (var k in o) ???????????if (new RegExp("(" + k + ")").test(fmt)) fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length))); ???????????return fmt; ???????} ???????????????var signTime = new Date().Format("yyyy年MM月dd日"); //时间格式的转换

var wm_txt1 = $("#salesNoId").val().trim(); //水印显示的内容 ???给表格添加水印var canvas = document.createElement(‘canvas‘);var ctx = canvas.getContext(‘2d‘);ctx.fillStyle = ‘rgba(0,0,0,0.1)‘;ctx.clearRect(0, 0, 100, 100);ctx.font = ‘20px Arial‘;ctx.translate(30, 100);ctx.rotate(-45 * Math.PI / 180);ctx.fillText(wm_txt1, 0, 18);var imgdata = canvas.toDataURL();var tbccChild = document.getElementById("index_table"); //表格的idtbccChild.style.backgroundImage = ‘url(‘ + imgdata + ‘)‘;

//获取当前时间的前一天，后一天let curDate = new Date(); let preDate = new Date(curDate.getTime() - 24*60*60*1000);