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你好，我通過阿里云的物聯(lián)網(wǎng)平臺(tái)完成了和4G模塊EC200T的連接，然后得到了類似于下面的一個(gè)內(nèi)容，復(fù)制這個(gè)url到瀏覽器會(huì)彈出一個(gè)bin文件的下載窗口，我要怎么做才能讓stm32將這個(gè)bin下載下來。- {
- "code": "1000",
- "data": {
- "size": 432945,
- "version": "2.0.0",
- "isDiff": 1,
- "url": "https://iotx-ota-pre.oss-cn-shanghai.aliyuncs.com/nopoll_0.4.4.tar.gz?Expires=1502955804&OSSAccessKeyId=XXXXXXXXXXXXXXXXXXXX&Signature=XfgJu7P6DWWejstKJgXJEH0qAKU%3D&security-token=CAISuQJ1q6Ft5B2yfSjIpK6MGsyN1Jx5jo6mVnfBglIPTvlvt5D50Tz2IHtIf3NpAusdsv03nWxT7v4flqFyTINVAEvYZJOPKGrGR0DzDbDasumZsJbo4f%2FMQBqEaXPS2MvVfJ%2BzLrf0ceusbFbpjzJ6xaCAGxypQ12iN%2B%2Fr6%2F5gdc9FcQSkL0B8ZrFsKxBltdUROFbIKP%2BpKWSKuGfLC1dysQcO1wEP4K%2BkkMqH8Uic3h%2Boy%2BgJt8H2PpHhd9NhXuV2WMzn2%2FdtJOiTknxR7ARasaBqhelc4zqA%2FPPlWgAKvkXba7aIoo01fV4jN5JXQfAU8KLO8tRjofHWmojNzBJAAPpYSSy3Rvr7m5efQrrybY1lLO6iZy%2BVio2VSZDxshI5Z3McKARWct06MWV9ABA2TTXXOi40BOxuq%2B3JGoABXC54TOlo7%2F1wTLTsCUqzzeIiXVOK8CfNOkfTucMGHkeYeCdFkm%2FkADhXAnrnGf5a4FbmKMQph2cKsr8y8UfWLC6IzvJsClXTnbJBMeuWIqo5zIynS1pm7gf%2F9N3hVc6%2BEeIk0xfl2tycsUpbL2FoaGk6BAF8hWSWYUXsv59d5Uk%3D",
- "md5": "93230c3bde425a9d7984a594ac55ea1e",
- "sign": "93230c3bde425a9d7984a594ac55****",
- "signMethod": "MD5",
- "module": "MCU",
- "extData":{
- "key1":"value1",
- "key2":"value2",
- "_package_udi":"{"ota_notice":"升級(jí)底層攝像頭驅(qū)動(dòng)，解決視頻圖像模糊的問題。"}"
- }
- },
- "id": 1626969597470,
- "message": "success"
- }
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