102 lines
3.4 KiB
JavaScript
102 lines
3.4 KiB
JavaScript
//jquery全局配置
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// $.ajaxSetup({
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// cache: false,
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// // crossDomain: true,
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// // headers: { 'Authorization': token },
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// complete: function (xhr) {
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// if (xhr && xhr.status == 401) {
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// console.log(xhr);
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// layer.alert('权限不足,请重新登陆', {
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// icon: 5,
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// title: "提示"
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// }, function () {
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// window.parent.location.reload(); //刷新父页面
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// window.parent.location.href = "/";
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// });
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// }
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// }
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// });
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//图片预览，传url
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function previewPicture(url) {
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layer.photos({
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photos: {
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"title": '预览图',
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"id": 222,
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"start": 0,
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"data": [{
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"src": url
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}]
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}
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// ,closeBtn: 1 //是否显示关闭按钮
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});
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}
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// 设置图片信息
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function setImgUrl(url) {
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return 'https://school-1251542740.cos.ap-shanghai.myqcloud.com/' + url;
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}
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//视频预览，传url,width,height
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function previewVideo(url, width, height) {
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width = width ? width : '65%';
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height = height ? height : '65%';
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let content = '<video width="100%" height="90%" controls="controls" autobuffer="autobuffer" autoplay="autoplay" loop="loop">' +
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'<source src="' + url + '" type="video/mp4"></source></video>';
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layer.open({
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type: 1,
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maxmin: true, //打开放大缩小按钮
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title: '视频播放',
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area: [width, height],
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content: content,
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});
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}
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//文件预览
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function previewFile(url) {
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window.location.href = url;
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}
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function trim(str) {
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if (str == null) {
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return "";
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}
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return str.replace(/^\s*(.*?)[\s\n]*$/g, '$1');
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}
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function dataURItoBlob(dataURI) {
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var byteString = atob(dataURI.split(',')[0]); //base64 解码
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var arrayBuffer = new ArrayBuffer(byteString.length); //创建缓冲数组
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var intArray = new Uint8Array(arrayBuffer); //创建视图
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for (var i = 0; i < byteString.length; i++) {
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intArray[i] = byteString.charCodeAt(i);
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}
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// return new Blob([intArray],{type: "application/vnd.ms-excel;charset=utf-8;"});//原来封装好的 下载的是excel
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return new Blob([intArray], { type: "application/octet-stream;charset=utf-8;" });//修改-1
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}
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function saveData(data, filename) {
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let blob = dataURItoBlob(data)
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let objectUrl = URL.createObjectURL(blob);
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//let spl = filename.split(".");
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//window.open(objectUrl,'_blank','alwaysRaised=yes,height=500, width=800, toolbar= no, menubar=no, scrollbars=no, resizable=no, location=yes, status=no,top=100,left=300')
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let aLink = document.createElement('a');//新添加的 尝试
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let evt = document.createEvent("HTMLEvents");
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evt.initEvent("click", true, true);
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aLink.download = filename;//新添加的 尝试
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aLink.href = objectUrl;
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aLink.click()
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//没有清理的 DOM 元素引用
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//document.body.removeChild(aLink)
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}
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function getCurrentYearStart() {
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return new Date(currentDate.getFullYear(), 0, 1, 0, 0, 0, 0);
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}
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function getCurrentMonthEnd() {
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const currentDate = new Date();
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const currentYear = currentDate.getFullYear();
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const currentMonth = currentDate.getMonth();
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const lastDayOfMonth = new Date(currentYear, currentMonth + 1, 0);
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const lastDate = lastDayOfMonth.getDate();
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return new Date(currentYear, currentMonth, lastDate, 23, 59, 59, 999);
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} |