1 // 在线查看 2 showOnline({ id, fileExt, fileName }) { 3 if (fileExt && ['jpg', 'jpeg', 'gif', 'bmp', 'png'].includes(fileExt.toLowerCase())) { 4 download(`/file-item/${id}/download`) 5 .then(result => { 6 const blob = new Blob([result.data], { type: 'application/x-msdownload' }) 7 this.imageUrl = URL.createObjectURL(blob) 8 }) 9 this.dialogVisible = true 10 } else if (fileExt && fileExt.toLowerCase() === 'pdf') { 11 download(`/file-item/${id}/download`) 12 .then(result => { 13 const blob = new Blob([result.data], { type: 'application/pdf' }) 14 const url = URL.createObjectURL(blob) 15 const page = window.open(url, '_blank') 16 setTimeout(function() { page.document.title = fileName }, 100) 17 }) 18 } else if (fileExt && fileExt.toLowerCase() === 'txt') { 19 download(`/file-item/${id}/download`) 20 .then(result => { 21 // 注意type,不同类型文件,type不同;另外text 第一个参数的数组第一项加'\ufeff',设置编码,解决中文乱码 22 const blob = new Blob(['\ufeff', result.data], { type: 'text/plain' }) 23 const url = URL.createObjectURL(blob) 24 const page = window.open(url, '_blank') 25 // page.document.title = '新的标题名' 26 // 因为window.open 异步,上面的方法很多时候不起效,加延时 27 setTimeout(function() { page.document.title = fileName }, 100) 28 }) 29 } else { 30 this.$utils.message('info', '此类型文件不支持预览,请下载查看!') 31 } 32 }
主要就是用window.open()方法,注意事项都在上面代码中
参考文章:
https://www.cnblogs.com/cbxg24543/p/15589287.html
https://juejin.cn/post/7024133497958694925
https://www.cnblogs.com/weiliang-song/p/16085957.html
标签:vue,const,标签,fileExt,blob,download,txt,page,result From: https://www.cnblogs.com/dirgo/p/17547751.html