{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# `ui.download`\n",
    "\n",
    "## 下载\n",
    "\n",
    "用于触发文件、URL 或字节的下载的函数。\n",
    "\n",
    "- `src`：目标URL、应下载的文件的本地路径或原始数据\n",
    "- `filename`：要下载的文件的名称（默认：服务器上的文件名）\n",
    "- `media_type`：要下载的文件的媒体类型（默认：`\"\"`）"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<nicegui.elements.button.Button at 0x22403608a50>"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from nicegui import ui\n",
    "\n",
    "ui.button('Logo', on_click=lambda: ui.download('https://nicegui.io/logo.png'))\n",
    "\n",
    "# ui.run()"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## 从内存中下载原始字节\n",
    "\n",
    "下载函数也可用于从内存中下载原始字节。"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "<nicegui.elements.button.Button at 0x22417785c10>"
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "from nicegui import ui\n",
    "\n",
    "ui.button('Download', on_click=lambda: ui.download(b'Hello World', 'hello.txt'))\n",
    "\n",
    "# ui.run()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": null,
   "metadata": {},
   "outputs": [],
   "source": []
  }
 ],
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   "file_extension": ".py",
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   "nbconvert_exporter": "python",
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