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@ -1,118 +1,124 @@ |
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import Config from '@/config' |
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import Cookie from 'js-cookie' |
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export default { |
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getCookie(cookie_name) { |
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//获取cookie中指定key的value
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var allcookies = document.cookie; //索引长度，开始索引的位置
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var cookie_pos = allcookies.indexOf(cookie_name); // 如果找到了索引，就代表cookie存在,否则不存在
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if (cookie_pos != -1) { |
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// 把cookie_pos放在值的开始，只要给值加1即可
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//计算取cookie值得开始索引，加的1为“=”
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cookie_pos = cookie_pos + cookie_name.length + 1; //计算取cookie值得结束索引
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var cookie_end = allcookies.indexOf(";", cookie_pos); |
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if (cookie_end == -1) { |
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cookie_end = allcookies.length; |
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} //得到想要的cookie的值
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var value = unescape(allcookies.substring(cookie_pos, cookie_end)); |
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} |
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return value; |
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}, |
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// 返回格式化时间，传参例如："yyyy-MM-dd hh:mm:ss"
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formatDate(fmt,date) { |
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var date = date ? date : new Date() |
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var o = {
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"M+" : date.getMonth()+1, //月份
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"d+" : date.getDate(), //日
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"h+" : date.getHours(), //小时
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"m+" : date.getMinutes(), //分
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"s+" : date.getSeconds(), //秒
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"q+" : Math.floor((date.getMonth()+3)/3), //季度
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"S" : date.getMilliseconds() //毫秒
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};
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if(/(y+)/.test(fmt)) { |
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fmt=fmt.replace(RegExp.$1, (date.getFullYear()+"").substr(4 - RegExp.$1.length));
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} |
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for(var k in o) { |
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if(new RegExp("("+ k +")").test(fmt)){ |
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fmt = fmt.replace(RegExp.$1, (RegExp.$1.length==1) ? (o[k]) : (("00"+ o[k]).substr((""+ o[k]).length))); |
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} |
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} |
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return fmt |
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}, |
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// 传入文件后缀判断是否是视频
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isVideo(ext) { |
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if ("mp4,3gp,mov,m4v,avi,dat,mkv,flv,vob,rmvb,rm,qlv".includes(ext)) return true; |
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return false; |
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}, |
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// 传入文件后缀判断是否是图片
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isImg(ext) { |
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if ("jpg,jpeg,png,gif,svg,psd".includes(ext)) return true; |
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return false; |
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}, |
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// 传入文件后缀判断是否是pdf以外的文档
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isDoc(ext) { |
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if ("xls,xlsx,doc,docx,pdf,ppt,pptx".includes(ext)) return true; |
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return false; |
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}, |
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// 传入文件名获取文件后缀
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getFileExt(fileName) { |
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return fileName.substring(fileName.lastIndexOf('.') + 1) |
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}, |
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// 下载文件
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downloadFile(fileName,url) { |
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var x = new XMLHttpRequest() |
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x.open("GET", url, true) |
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x.responseType = 'blob' |
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x.onload=function(e) { |
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var url = window.URL.createObjectURL(x.response) |
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var a = document.createElement('a') |
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a.href = url |
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a.download = fileName |
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a.click() |
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} |
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x.send() |
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}, |
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// 下载图片
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downloadPic(fileName, src) { |
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const canvas = document.createElement('canvas') |
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const img = document.createElement('img') |
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// 解决跨域 Canvas 污染问题
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img.setAttribute('crossOrigin', 'anonymous') |
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//将资源链接赋值过去，才能触发img.onload事件
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img.src = src |
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img.onload = function (e) { |
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canvas.width = img.width |
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canvas.height = img.height |
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const context = canvas.getContext('2d') |
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//绘制图片
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context.drawImage(img, 0, 0, img.width, img.height) |
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canvas.getContext('2d').drawImage(img, 0, 0, img.width, img.height) |
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//将canvas转base64码，然后创建一个a连接自动下载图片
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canvas.toBlob((blob) => { |
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const link = document.createElement('a') |
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link.href = window.URL.createObjectURL(blob) |
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link.download = fileName |
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link.click() |
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}) |
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} |
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}, |
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// 传入文件名和数据，下载文件
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downloadFileDirect(fileName,data) { |
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if ('download' in document.createElement('a')) { // 非IE下载
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const elink = document.createElement('a') |
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elink.download = fileName |
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elink.style.display = 'none' |
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elink.href = URL.createObjectURL(data) |
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document.body.appendChild(elink) |
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elink.click() |
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URL.revokeObjectURL(elink.href) // 释放URL 对象
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document.body.removeChild(elink) |
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} else { // IE10+下载
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navigator.msSaveBlob(data, fileName) |
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} |
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}, |
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// 小于0前面加上0
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handleZero (num) { |
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return num < 10 ? '0' + num : num |
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// 返回格式化时间，传参例如："yyyy-MM-dd hh:mm:ss"
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formatDate (fmt, date) { |
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var date = date ? date : new Date() |
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var o = { |
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"M+": date.getMonth() + 1, //月份
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"d+": date.getDate(), //日
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"h+": date.getHours(), //小时
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"m+": date.getMinutes(), //分
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"s+": date.getSeconds(), //秒
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"q+": Math.floor((date.getMonth() + 3) / 3), //季度
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"S": date.getMilliseconds() //毫秒
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}; |
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if (/(y+)/.test(fmt)) { |
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fmt = fmt.replace(RegExp.$1, (date.getFullYear() + "").substr(4 - RegExp.$1.length)); |
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} |
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for (var k in o) { |
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if (new RegExp("(" + k + ")").test(fmt)) { |
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fmt = fmt.replace(RegExp.$1, (RegExp.$1.length == 1) ? (o[k]) : (("00" + o[k]).substr(("" + o[k]).length))); |
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} |
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} |
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return fmt |
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}, |
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// 传入文件后缀判断是否是视频
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isVideo (ext) { |
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if ("mp4,3gp,mov,m4v,avi,dat,mkv,flv,vob,rmvb,rm,qlv".includes(ext)) return true; |
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return false; |
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}, |
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// 传入文件后缀判断是否是图片
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isImg (ext) { |
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if ("jpg,jpeg,png,gif,svg,psd".includes(ext)) return true; |
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return false; |
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}, |
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// 传入文件后缀判断是否是pdf以外的文档
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isDoc (ext) { |
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if ("xls,xlsx,doc,docx,pdf,ppt,pptx".includes(ext)) return true; |
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return false; |
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}, |
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// 传入文件名获取文件后缀
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getFileExt (fileName) { |
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return fileName.substring(fileName.lastIndexOf('.') + 1) |
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}, |
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// 下载文件
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downloadFile (fileName, url) { |
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var x = new XMLHttpRequest() |
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x.open("GET", url, true) |
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x.responseType = 'blob' |
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x.onload = function (e) { |
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var url = window.URL.createObjectURL(x.response) |
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var a = document.createElement('a') |
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a.href = url |
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a.download = fileName |
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a.click() |
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} |
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x.send() |
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}, |
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// 下载图片
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downloadPic (fileName, src) { |
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const canvas = document.createElement('canvas') |
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const img = document.createElement('img') |
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// 解决跨域 Canvas 污染问题
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img.setAttribute('crossOrigin', 'anonymous') |
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//将资源链接赋值过去，才能触发img.onload事件
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img.src = src |
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img.onload = function (e) { |
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canvas.width = img.width |
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canvas.height = img.height |
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const context = canvas.getContext('2d') |
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//绘制图片
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context.drawImage(img, 0, 0, img.width, img.height) |
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canvas.getContext('2d').drawImage(img, 0, 0, img.width, img.height) |
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//将canvas转base64码，然后创建一个a连接自动下载图片
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canvas.toBlob((blob) => { |
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const link = document.createElement('a') |
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link.href = window.URL.createObjectURL(blob) |
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link.download = fileName |
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link.click() |
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}) |
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} |
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}, |
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// 传入文件名和数据，下载文件
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downloadFileDirect (fileName, data) { |
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if ('download' in document.createElement('a')) { // 非IE下载
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const elink = document.createElement('a') |
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elink.download = fileName |
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elink.style.display = 'none' |
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elink.href = URL.createObjectURL(data) |
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document.body.appendChild(elink) |
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elink.click() |
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URL.revokeObjectURL(elink.href) // 释放URL 对象
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document.body.removeChild(elink) |
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} else { // IE10+下载
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navigator.msSaveBlob(data, fileName) |
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} |
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}, |
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// 小于0前面加上0
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handleZero (num) { |
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return num < 10 ? '0' + num : num |
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}, |
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// 退出实验
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exit () { |
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let href = Config.isDev ? |
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`http://${location.hostname}:8082/#/` : |
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`${location.origin}${Cookie.get('admin-fromManager') ? |
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'/admin' : |
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(!Config.isTest) ? |
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'' : |
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'/student'}/#/` |
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// 考核
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if (Cookie.get('admin-assessmentId')) { |
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href += `ass/list` |
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} else if (Cookie.get('admin-competitionId')) { |
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// 竞赛
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href += `match/list` |
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} else { |
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// 练习
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href += `station/preview?courseId=${Cookie.get('admin-courseId')}&curriculumName=${Cookie.get('admin-curriculumName') ? decodeURIComponent(Cookie.get('admin-curriculumName')) : 'python'}&mallId=${Cookie.get('admin-mallId')}` |
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} |
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location.href = href |
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} |
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} |
