文件下载

当返回有错误信息需要处理时

const exportEvent = async val => { 
  const params = {
    ...formData
  };
  if (val == '2') {
    params.currentPage = 1;
    params.pageSize = 100000;
  } else {
    params.currentPage = exportPage.value.currentPage;
    params.pageSize = exportPage.value.pageSize;
  }

  if (window.origin.includes('fsfund.com')) {
    baseUrl.value = `${window.origin}/fund-grab/`;
  } else {
    baseUrl.value = 'http://localhost:7779/opinion/';
  }
  loadingFlag.value = true;
  axios({
    url: `${baseUrl.value}/roBotController/msgExport`,
    method: 'post',
    responseType: 'blob',
    headers: {
      token: knowledgeBaseToken.value.token
    },
    data: params
  })
    .then(res => {  
      if (res.headers['content-type'] === 'application/json') {
        // 解析 JSON 错误信息 
        const reader = new FileReader();
        // eslint-disable-next-line func-names
        reader.onload = function (e) {
          if (e.target && typeof e.target.result === 'string') {
            const json = JSON.parse(e.target.result);
            ElMessage.warning(json.message);
          }
          // 在这里处理错误，例如显示错误消息给用户
        };

        reader.readAsText(res.data);
      } else {
        loadingFlag.value = false;
        const link = document.createElement('a');
        const blob = new Blob([res.data]);
        link.style.display = 'none';
        const contentDisposition = res.headers['content-disposition'];
        console.log(contentDisposition, '0000---------');

        let fileName = '消息记录.xlsx'; // 默认文件名
        if (contentDisposition) {
          const matches = /filename[^;=\n]*=((['"]).*?\2|[^;\n]*)/.exec(contentDisposition);
          if (matches !== null && matches[1]) {
            fileName = decodeURIComponent(matches[1].replace(/['"]/g, ''));
          }
        }
        link.href = URL.createObjectURL(blob);
        link.setAttribute('download', `${fileName}`);
        // link.setAttribute('download', `${name}.xlsx`)
        document.body.appendChild(link);
        link.click();
        ElMessage.success('导出成功');
        setTimeout(() => {
          document.body.removeChild(link);
        }, 1000); // 可以根据需要调整延迟时间
      }
    })
    .catch(error => {
      console.error('Error:', error);
    });
};

//通过链接下载

  downTemp() {
    fetch("https://data.fsfund.com/oss/file/v1/fileView/448a6f0a-24a1-4be0-a297-de8a691cccbb")
      .then(response => response.blob())
      .then(blob => {
        const url = URL.createObjectURL(blob);
        const a = document.createElement("a");
        a.href = url;
        a.download = "回帖模板"; // 设置下载文件的名称
        document.body.appendChild(a);
        a.click();
        document.body.removeChild(a);
        URL.revokeObjectURL(url); // 释放URL对象
      })
      .catch(error => console.error("下载失败:", error));
  },
    // downTemp() {
    //   const downloadUrl = "https://data.fsfund.com/oss/file/v1/fileView/448a6f0a-24a1-4be0-a297-de8a691cccbb";
    //   const a = document.createElement("a");
    //   a.href = downloadUrl;
    //   a.download = "回帖模板"; // 设置下载文件的名称
    //   document.body.appendChild(a);
    //   a.click();
    //   document.body.removeChild(a);
    // },

//通过链接下载




//带文件名在响应头中，解码中文，blob
const exportData = async () => {
  const params = {
    startDate: startDate.value,
    endDate: endDate.value,
    operators: currOperarionIds.value
  }; 

  if (window.origin.includes('hj.fsfund.com')) {
    baseUrl.value = `${window.origin}/fscc-kb-backend`;
  } else {
    baseUrl.value = 'http://localhost:7779/opinion/';
  }
  loadingFlag.value = true;
  axios({
    url: `${baseUrl.value}/AdsStatisticsController/accountFullReport`,
    method: 'post',
    responseType: 'blob',
    headers: {
      token: knowledgeBaseToken.value.token
    },
    data: params
  })
    .then(res => {
      loadingFlag.value = false;
      const link = document.createElement('a');
      const blob = new Blob([res.data]);
      link.style.display = 'none';
      const contentDisposition = res.headers['content-disposition'];
      let fileName = 'default.xlsx'; // 默认文件名
      if (contentDisposition) {
        const matches = /filename[^;=\n]*=((['"]).*?\2|[^;\n]*)/.exec(contentDisposition);
        if (matches !== null && matches[1]) {
          fileName = decodeURIComponent(matches[1].replace(/['"]/g, ''));
        }
      }  
      link.href = URL.createObjectURL(blob);
      link.setAttribute('download', `${fileName}`);
      // link.setAttribute('download', `${name}.xlsx`)
      document.body.appendChild(link);
      link.click();
      ElMessage.success('导出成功');
      setTimeout(() => {
        document.body.removeChild(link);
      }, 1000); // 可以根据需要调整延迟时间
    })
    .catch(error => {
      console.error('Error:', error);
    });
};


// 下载
const baseUrl = ref();
const downloadRowEvent = async (row: RowVO) => {
  if (window.origin.includes('hj.fsfund.com')) {
    baseUrl.value = `${window.origin}/fscc-kb-backend`;
  } else {
    baseUrl.value = 'http://172.30.113.199:9011';
  }

  axios({
    url: `${baseUrl.value}/kb/knowledge-file/download-file?id=${row.id}`,
    method: 'get',
    responseType: 'blob',
    headers: {
      token: knowledgeBaseToken.value.token
      // 'Content-Type': 'application/json' // 确保在 GET 请求中使用 JSON 格式
      // Authorization: 'Bearer fastgpt-fZcXWBhUifVno0EIkL4IQ6bedrEiDly8Qbox0ml6hYAVS5gVraP4kJiNfW' // 添加自定义头部信息
    }
  })
    .then(response => {
      const blob = response.data;
      const url = URL.createObjectURL(blob);
      const link = document.createElement('a');
      link.href = url;
      link.download = row.fileName || 'downloaded_file'; // 设置文件名，如果服务器未提供文件名
      link.click(); // 触发点击事件，下载文件
      // 下载完成后，解除绑定的 URL 和移除链接元素
      setTimeout(() => {
        URL.revokeObjectURL(url);
        link.remove();
      }, 1000); // 可以根据需要调整延迟时间
    })
    .catch(error => {
      console.error('Error:', error);
    });

  // if (window.origin.includes('hj.fsfund.com')) {
  //   baseUrl.value = `${window.origin}/fscc-kb-backend`;
  // } else {
  //   baseUrl.value = 'http://172.30.113.199:9011';
  // }
  // const downloadUrl = `${baseUrl.value}/kb/knowledge-file/download-file?id=${row.id}`;
  // window.open(downloadUrl, '_blank');
  // const link = document.createElement('a');
  // link.href = downloadUrl;
  // // link.download = name; // 可以指定下载后的文件名
  // document.body.appendChild(link);
  // link.click();
  // document.body.removeChild(link);
};