下载txt文档

  // 下载txt文档
    downloadTxtFile = async () => {
        const content = await axios({
            method: "GET",
            url: downloadTempUlr,
        });
        const aLabel = document.createElement("a");
        const labelEvent = document.createEvent("MouseEvents");
        labelEvent.initEvent("click", false, false);
        aLabel.href ="data:text/plain;charset=utf-8," + encodeURIComponent(content.data);
        aLabel.download = dowmloadName;
        aLabel.target = "_blank";
        aLabel.dispatchEvent(labelEvent);
    };
    
    
  const convertToCSV = objArray => {
    const array = typeof objArray !== "object" ? JSON.parse(objArray) : objArray;
    let str = "";

    // eslint-disable-next-line no-plusplus
    for (let i = 0; i < array.length; i++) {
        let line = "";
        for (const index in array[i]) {
            if (line !== "") line += ",";

            line += array[i][index];
        }

        str += `${line}\r\n`;
    }

    return str;
};  
    
export const generateCSV = (data, fileName = "") => {
    return new Promise((resolve, reject) => {
        try {
            const csv = convertToCSV(data);
            const blob = new Blob([`\uFEFF${csv}`], {
                type: "text/csv; charset=utf-18"
            });
            const now = new Date();
            const FILE_NAME = `${fileName}${dayjs(now).format("YYYYMMDDHHmmss")}.csv`;
            if (window.navigator.msSaveOrOpenBlob) {
                // IE hack; see http://msdn.microsoft.com/en-us/library/ie/hh779016.aspx
                window.navigator.msSaveBlob(blob, FILE_NAME);
                resolve();
            } else {
                const a = window.document.createElement("a");

                a.href = window.URL.createObjectURL(blob, {
                    type: "text/plain",
                    encoding: "UTF-8"
                });
                a.download = FILE_NAME;
                document.body.appendChild(a);
                a.click(); // IE: "Access is denied"; see: https://connect.microsoft.com/IE/feedback/details/797361/ie-10-treats-blob-url-as-cross-origin-and-denies-access
                document.body.removeChild(a);
                resolve();
            }
        } catch (e) {
            reject(e);
        }
    });
};

export const blobToCSV = (blob, fileName = "") => {
    return new Promise((resolve, reject) => {
        try {
            // const blob = new Blob(b, {
            //     type: "text/csv; charset=utf-18"
            // });
            const FILE_NAME = `${fileName}`;
            if (window.navigator.msSaveOrOpenBlob) {
                // IE hack; see http://msdn.microsoft.com/en-us/library/ie/hh779016.aspx
                window.navigator.msSaveBlob(blob, FILE_NAME);
                resolve();
            } else {
                const a = window.document.createElement("a");

                a.href = window.URL.createObjectURL(blob, {
                    type: "text/plain",
                    encoding: "UTF-8"
                });
                a.download = FILE_NAME;
                document.body.appendChild(a);
                a.click(); // IE: "Access is denied"; see: https://connect.microsoft.com/IE/feedback/details/797361/ie-10-treats-blob-url-as-cross-origin-and-denies-access
                document.body.removeChild(a);
                resolve();
            }
        } catch (e) {
            reject(e);
        }
    });
};s