async works(obj) { await this.axios({ method: 'get', url: `entryFormController/downloadWork.do`, params: { id: obj, }, responseType: 'blob', //返回是个文件 }).then((response) => { let that = this; // 下载文件 download(that, response); });
// 下载文件 function download(that, res) { let blob = new Blob([res.data], { type: res.headers['content-type'] }); //type是文件类,详情可以参阅blob文件类型 const resData = res.data; if (resData.type.includes('application/json')) { const fileReader = new FileReader(); fileReader.readAsText(blob, 'utf-8'); fileReader.onloadend = () => { const jsonData = JSON.parse(fileReader.result); // 说明是普通对象数据,后台转换失败 return that.$message.error(jsonData.message); }; return; } // 创建新的URL并指向File对象或者Blob对象的地址 const blobURL = window.URL.createObjectURL(blob);
window.open(blobURL); } },
标签:vue,const,res,blob,fileReader,type,下载,图片 From: https://www.cnblogs.com/book-student/p/16714608.html