小程序下载更改文件类型
2019-05-31 15:34 想不出来名字了 阅读(428) 评论(0) 编辑 收藏 举报lookDetails: function (e) {
commom.commom.sendFormId(e.detail.formId);
let ext = e.detail.target.dataset.ext;
if (wx.getStorageSync(\'filePath\')){
let fileMgr = wx.getFileSystemManager();
let oldType = wx.getStorageSync("fileType");
fileMgr.unlink({
filePath: wx.env.USER_DATA_PATH + \'/file.\' + ext,
success: function (r) {
console.log(\'remove save file. success.\', r);
},
fail: function (r) {
console.log(\'remove save file.\', r);
}
});
}
if (ext != \'png\' && ext != \'jpg\') {
wx.downloadFile({
url: e.detail.target.dataset.url,
header: {
"content-type": \'application/\' + ext
},
filePath: wx.env.USER_DATA_PATH + \'/file.\' + ext,
success(res) {
const filePath = wx.env.USER_DATA_PATH + \'/file.\' + ext
wx.openDocument({
filePath,
success(res) {
console.log(\'打开文档成功\');
wx.setStorageSync(\'filePath\', wx.env.USER_DATA_PATH + \'/file.\' + ext)
},
fail(res) {
commom.commom.noIconToast(\'证书打开失败,请发送到邮件查看\')
}
})
},
complete: function (err) {
console.log(err)
}
})
} else {
wx.previewImage({
urls: [e.detail.target.dataset.url] // 需要预览的图片http链接列表
})
}
},