参考链接:https://www.ewbang.com/community/article/details/961787879.html

image.png

报错信息：

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正确信息：

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    // 导出
    exportExcel() {
      outBusExpApi({
        name: this.form.name,
        status: this.form.status,
        orderNo: this.form.orderNo,
        pageNum: this.pageNum,
        pageSize: this.pageSize,
      }).then((res) => {
        console.log("导出", res.data);
        const data = new Blob([res.data], { type: "application/json" });
        const reader = new FileReader();
        console.log("reader", reader);
        reader.onload = () => {
          try {
            const result = JSON.parse(reader.result);
            if (result.statusCode != "200") {
              this.$message.error(result.statusMsg);
            }
          } catch (error) {
            downloadExcel(res.data);
            this.$message.success("导出成功");
          }
        };
        reader.readAsText(data);
      });
    },