Question

我使用Dropbox API将文件上传到Dropbox，然后生成可共享的链接并将其发送给用户。

但问题是我想强制下载文件，而不是通过dropbox共享链接进行预览。

我知道我可以在链接末尾强制下载设置import tkinter as tk from tkinter.ttk import Frame, Button labels = [] entries = [] class Application(Frame): def __init__(self) super().__init__() self.mainFrame() def mainFrame(self): self.master.title("Setup") self.pack(fill=tk.BOTH, expand=True) self.columnconfigure(1, weight=1) self.columnconfigure(3, pad=7) self.rowconfigure(3, weight=1) self.rowconfigure(5, pad=7) lbl = tk.Label(self, text="Follow the instructions on each page", bg="snow2") lbl.grid(sticky=tk.W, pady=4, padx=5) area = tk.Frame(self, bg="white") area.grid(row=1, column=0, columnspan=3, rowspan=4, padx=5, sticky=tk.E + tk.W + tk.S + tk.N) # ----------Inside White Box --------------------- lbl = tk.Label(area, text="Select the number of parts to create:") lbl.grid(row=1, column=0) choices = {0, 3, 4, 5, 6, 7, 8, 9, 10} node_count = tk.IntVar() node_count.set(0) node_select = tk.OptionMenu(area, node_count, *choices, command=lambda x: self.display_change(area, node_count.get())) node_select.grid(row=1, column=2) # -----------Outside Part------------------------- abtn = Button(self, text="Thing 1") abtn.grid(row=1, column=3, sticky=tk.W) cbtn = Button(self, text="Thing 2") cbtn.grid(row=2, column=3, pady=4, sticky=tk.W) abtn2 = Button(self, text="Thing 3") abtn2.grid(row=3, column=3, sticky=tk.W + tk.N) cbtn2 = Button(self, text="Thing 4") cbtn2.grid(row=3, column=3, pady=28, sticky=tk.W + tk.N) hbtn = Button(self, text="Exit") hbtn.grid(row=5, column=2, sticky=tk.W) sbtn = Button(self, text="Save") sbtn.grid(row=5, column=3, pady=3, sticky=tk.W) sbtn = Button(self, text="Help") sbtn.grid(row=5, column=0, sticky=tk.W) def display_change(self, area, nodes): """Here is where the display is changed so what the user choose is correctly displayed""" lower_label = tk.Label(area, text="Enter the value of each part") lower_label.grid(row=2, column=0, sticky=tk.N + tk.W) global labels, entries for label in labels: label.destroy() for entry in entries: entry.destroy() labels = [] entries = [] # This loop creates the correct number of entry box's and labels. Each entry is stored separately for i in range(nodes): if nodes <= 4: labels.append(tk.Label(area, text="Part "+str(i+1))) labels[i].place(x=10+(120*i), y=55) entries.append(tk.Entry(area, text="Change")) entries[i].place(x=10 + (120 * i), y=80, width=100) else: labels.append(tk.Label(area, text="part " + str(i + 1))) labels[i].place(x=10 + (120 * i), y=105) entries.append(tk.Entry(area, text="Change")) entries[i].place(x=10 + (120 * i), y=160, width=100) if __name__ == "__main__": root = tk.Tk() """Calculate center of screen so popup is center""" w = 650 h = 400 ws = root.winfo_screenwidth() hs = root.winfo_screenheight() x = (ws / 2) - (w / 2) y = (hs / 2) - (h / 2) root.geometry('%dx%d+%d+%d' % (w, h, x, y)) # This line prevents the user from changing the size of the window root.resizable(width=False, height=False) app = Application(root) root.mainloop()，但dropbox生成的可共享链接会返回?dl=1

代码：

?dl=0

我正在使用Dropbox API的V1，很快就会弃用，但现在我需要使用它。

Answer 1

使用dl=1网址参数是强制在这些链接上下载的正确方法。您可以在此处找到更多相关信息：

https://www.dropbox.com/help/desktop-web/force-download

要正确执行此操作，您应使用实际的URL解析器来解析URL。然后，如果它已经有dl参数，请将其设置为1。如果没有，则将dl参数集添加到1。

Answer 2

您可以利用流，只需将下载流重定向到客户端即可。以下是使用我的简约dropbox-v2-api包装和hapijs路由配置的示例：

{
    path: '/getFile',
    method: 'GET',
    handler: (request, response) => {
        dropbox({
            resource: 'files/download',
            parameters: {
                path: '/dropbox/image.jpg'
            }
        }, (err, result) => {
            //download completed
        }).pipe(response); //piping file stream
    }
}

Dropbox API - 强制直接下载

2 个答案: