微信小程序下载文件

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
wx.downloadFile({
    url: "https://xxxxxxx/test.pdf",
    responseType: "arraybuffer",
    success: res => {
        console.log("success", res);
        const manage = wx.getFileSystemManager();
        if (res.statusCode === 200) {
          let path = wx.env.USER_DATA_PATH + "/test.pdf";
          console.log("path",path)
          manage.saveFile({
            tempFilePath: res.tempFilePath,
            filePath: path,  // 文件重命名 可自定义
            success: function(res) {
            }
          });
          wx.openDocument({
            filePath: path,
            success: function(res) {
              console.log('打开文档成功')
            },
            fail: function() {
              console.log('打开失败');
            }
          })
        }
      },
      fail: e => {
        console.log("error", e);
        wx.showToast({
          title: 'error',
        })
      }
});
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
let path = wx.env.USER_DATA_PATH + "/test.pdf";
    wx.downloadFile({
      url: "https://xxxxxxx/test.pdf",
      responseType: "arraybuffer",
      filePath: path,
      success: res => {
        console.log("success", res);
        if (res.statusCode === 200) {
          wx.openDocument({
            filePath: path,
            success: function (res) {
              console.log('打开文档成功')
            },
            fail: function () {
              console.log('打开失败');
            }
          })
        }
      },
      fail: e => {
        console.log("error", e);
        wx.showToast({
          title: 'error',
        })
      }
    });