{"id":982678,"date":"2024-12-27T07:12:50","date_gmt":"2024-12-26T23:12:50","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/982678.html"},"modified":"2024-12-27T07:12:52","modified_gmt":"2024-12-26T23:12:52","slug":"%e5%a6%82%e4%bd%95%e9%80%9a%e8%bf%87python%e6%8e%a7%e5%88%b6nbiot","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/982678.html","title":{"rendered":"\u5982\u4f55\u901a\u8fc7python\u63a7\u5236nbiot"},"content":{"rendered":"<p style=\"text-align:center;\" ><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/24211042\/6c5aae85-9340-48bd-8e9c-92869c9ed190.webp\" alt=\"\u5982\u4f55\u901a\u8fc7python\u63a7\u5236nbiot\" \/><\/p>\n<p><p> <strong>\u901a\u8fc7Python\u63a7\u5236NB-IoT\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528NB-IoT\u6a21\u5757\u7684AT\u6307\u4ee4\u3001\u4f7f\u7528Python\u7684\u4e32\u53e3\u901a\u4fe1\u5e93\u5982pySerial\u3001\u901a\u8fc7\u7269\u8054\u7f51\u5e73\u53f0\u8fdb\u884c\u6570\u636e\u4f20\u8f93\u3002<\/strong>\u5728\u8fd9\u4e9b\u65b9\u6cd5\u4e2d\uff0c\u4f7f\u7528AT\u6307\u4ee4\u4e0e\u6a21\u5757\u8fdb\u884c\u901a\u4fe1\u662f\u6700\u57fa\u7840\u7684\u65b9\u5f0f\uff0c\u5b83\u5141\u8bb8\u7528\u6237\u76f4\u63a5\u63a7\u5236\u6a21\u5757\u7684\u64cd\u4f5c\uff0c\u5305\u62ec\u7f51\u7edc\u8fde\u63a5\u3001\u6570\u636e\u53d1\u9001\u7b49\u529f\u80fd\u3002\u4e3a\u4e86\u66f4\u597d\u5730\u5b9e\u73b0\u8fd9\u4e00\u70b9\uff0c\u7528\u6237\u9700\u8981\u4e86\u89e3\u6a21\u5757\u7684\u5177\u4f53AT\u6307\u4ee4\u96c6\uff0c\u5e76\u901a\u8fc7Python\u811a\u672c\u5229\u7528\u4e32\u53e3\u901a\u4fe1\u5e93\u4e0e\u6a21\u5757\u4ea4\u4e92\u3002\u4e3a\u4e86\u8ba9\u6570\u636e\u4f20\u8f93\u66f4\u52a0\u4fbf\u6377\uff0c\u7528\u6237\u8fd8\u53ef\u4ee5\u501f\u52a9\u7269\u8054\u7f51\u5e73\u53f0\uff0c\u5c06NB-IoT\u6a21\u5757\u4e0e\u4e91\u7aef\u670d\u52a1\u8fde\u63a5\uff0c\u5b9e\u73b0\u6570\u636e\u7684\u6536\u96c6\u548c\u5904\u7406\u3002<\/p>\n<\/p>\n<p><h3>\u4e00\u3001NB-IoT\u6982\u8ff0<\/h3>\n<\/p>\n<p><p>NB-IoT\uff08\u7a84\u5e26\u7269\u8054\u7f51\uff09\u662f\u4e00\u79cd\u65b0\u5174\u7684\u7269\u8054\u7f51\u901a\u4fe1\u6280\u672f\uff0c\u65e8\u5728\u63d0\u4f9b\u5e7f\u8986\u76d6\u3001\u4f4e\u529f\u8017\u3001\u5927\u8fde\u63a5\u3001\u4f4e\u6210\u672c\u7684\u89e3\u51b3\u65b9\u6848\u3002\u5b83\u4e3b\u8981\u7528\u4e8e\u9700\u8981\u4f20\u8f93\u5c11\u91cf\u6570\u636e\u7684\u573a\u666f\uff0c\u5982\u667a\u80fd\u6284\u8868\u3001\u73af\u5883\u76d1\u6d4b\u3001\u8d44\u4ea7\u8ddf\u8e2a\u7b49\u3002NB-IoT\u5229\u7528\u73b0\u6709\u7684\u8702\u7a9d\u7f51\u7edc\u8d44\u6e90\uff0c\u5177\u6709\u826f\u597d\u7684\u5ba4\u5185\u8986\u76d6\u80fd\u529b\u548c\u8d85\u4f4e\u7684\u529f\u8017\u7279\u6027\u3002<\/p>\n<\/p>\n<p><h4>1.1 NB-IoT\u7684\u4f18\u52bf<\/h4>\n<\/p>\n<p><p>NB-IoT\u5177\u6709\u591a\u9879\u4f18\u52bf\uff0c\u4f7f\u5176\u5728\u7269\u8054\u7f51\u9886\u57df\u5907\u53d7\u5173\u6ce8\u3002\u9996\u5148\uff0c<strong>\u5b83\u7684\u5e7f\u8986\u76d6\u80fd\u529b\u975e\u5e38\u51fa\u8272<\/strong>\uff0c\u80fd\u591f\u5728\u5730\u4e0b\u5ba4\u3001\u5ba4\u5185\u7b49\u4fe1\u53f7\u8f83\u5f31\u7684\u5730\u65b9\u63d0\u4f9b\u7a33\u5b9a\u7684\u7f51\u7edc\u8fde\u63a5\u3002\u5176\u6b21\uff0c<strong>\u5176\u4f4e\u529f\u8017\u7279\u6027\u4f7f\u5f97\u8bbe\u5907\u53ef\u4ee5\u957f\u671f\u8fd0\u884c\u800c\u65e0\u9700\u9891\u7e41\u66f4\u6362\u7535\u6c60<\/strong>\u3002\u6b64\u5916\uff0cNB-IoT\u652f\u6301\u5927\u89c4\u6a21\u8fde\u63a5\uff0c\u80fd\u591f\u540c\u65f6\u652f\u6301\u6210\u5343\u4e0a\u4e07\u7684\u8bbe\u5907\u63a5\u5165\u7f51\u7edc\u3002<\/p>\n<\/p>\n<p><h4>1.2 NB-IoT\u7684\u5e94\u7528\u573a\u666f<\/h4>\n<\/p>\n<p><p>\u7531\u4e8e\u5176\u72ec\u7279\u7684\u4f18\u52bf\uff0cNB-IoT\u88ab\u5e7f\u6cdb\u5e94\u7528\u4e8e\u5404\u79cd\u7269\u8054\u7f51\u573a\u666f\u3002<strong>\u5728\u667a\u80fd\u6284\u8868\u65b9\u9762<\/strong>\uff0cNB-IoT\u53ef\u4ee5\u7528\u4e8e\u8fdc\u7a0b\u6284\u53d6\u6c34\u8868\u3001\u7535\u8868\u3001\u6c14\u8868\u7684\u6570\u636e\uff0c\u5b9e\u73b0\u81ea\u52a8\u5316\u7ba1\u7406\u3002<strong>\u5728\u73af\u5883\u76d1\u6d4b\u9886\u57df<\/strong>\uff0c\u5b83\u53ef\u4ee5\u7528\u4e8e\u76d1\u6d4b\u7a7a\u6c14\u8d28\u91cf\u3001\u571f\u58e4\u6e7f\u5ea6\u3001\u6e29\u5ea6\u7b49\u73af\u5883\u53c2\u6570\u3002\u6b64\u5916\uff0cNB-IoT\u8fd8\u53ef\u7528\u4e8e\u8d44\u4ea7\u8ddf\u8e2a\u3001\u667a\u6167\u57ce\u5e02\u5efa\u8bbe\u3001\u667a\u80fd\u5bb6\u5c45\u7b49\u9886\u57df\u3002<\/p>\n<\/p>\n<p><h3>\u4e8c\u3001Python\u4e0eNB-IoT\u6a21\u5757\u7684\u901a\u4fe1<\/h3>\n<\/p>\n<p><p>\u4e3a\u4e86\u5b9e\u73b0Python\u5bf9NB-IoT\u6a21\u5757\u7684\u63a7\u5236\uff0c\u7528\u6237\u9700\u8981\u4e86\u89e3\u5982\u4f55\u901a\u8fc7\u4e32\u53e3\u4e0e\u6a21\u5757\u8fdb\u884c\u901a\u4fe1\u3002\u5927\u591a\u6570NB-IoT\u6a21\u5757\u652f\u6301\u6807\u51c6\u7684AT\u6307\u4ee4\u96c6\uff0c\u7528\u6237\u53ef\u4ee5\u901a\u8fc7\u53d1\u9001AT\u6307\u4ee4\u6765\u63a7\u5236\u6a21\u5757\u7684\u884c\u4e3a\u3002<\/p>\n<\/p>\n<p><h4>2.1 AT\u6307\u4ee4\u7b80\u4ecb<\/h4>\n<\/p>\n<p><p>AT\u6307\u4ee4\u662f\u4e00\u79cd\u7528\u4e8e\u63a7\u5236\u8c03\u5236\u89e3\u8c03\u5668\u64cd\u4f5c\u7684\u547d\u4ee4\u96c6\uff0c\u8bb8\u591aNB-IoT\u6a21\u5757\u90fd\u652f\u6301\u8fd9\u4e00\u6807\u51c6\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7AT\u6307\u4ee4\u5b9e\u73b0\u7f51\u7edc\u8fde\u63a5\u3001\u6570\u636e\u53d1\u9001\u3001\u63a5\u6536\u7b49\u529f\u80fd\u3002<strong>\u5e38\u7528\u7684AT\u6307\u4ee4\u5305\u62ec\uff1a<\/strong><\/p>\n<\/p>\n<ul>\n<li><strong>AT+CSQ<\/strong>\uff1a\u67e5\u8be2\u4fe1\u53f7\u8d28\u91cf\u3002<\/li>\n<li><strong>AT+CGATT<\/strong>\uff1a\u9644\u7740\u7f51\u7edc\u3002<\/li>\n<li><strong>AT+COPS<\/strong>\uff1a\u9009\u62e9\u8fd0\u8425\u5546\u3002<\/li>\n<li><strong>AT+CGDCONT<\/strong>\uff1a\u8bbe\u7f6ePDP\u4e0a\u4e0b\u6587\u3002<\/li>\n<li><strong>AT+NSOCR<\/strong>\uff1a\u521b\u5efaSocket\u3002<\/li>\n<li><strong>AT+NSOST<\/strong>\uff1a\u53d1\u9001\u6570\u636e\u3002<\/li>\n<\/ul>\n<p><h4>2.2 \u4f7f\u7528pySerial\u8fdb\u884c\u4e32\u53e3\u901a\u4fe1<\/h4>\n<\/p>\n<p><p>Python\u63d0\u4f9b\u4e86\u4e30\u5bcc\u7684\u5e93\u6765\u5b9e\u73b0\u4e0e\u786c\u4ef6\u7684\u901a\u4fe1\uff0c\u5176\u4e2dpySerial\u662f\u6700\u5e38\u7528\u7684\u4e32\u53e3\u901a\u4fe1\u5e93\u3002\u7528\u6237\u53ef\u4ee5\u4f7f\u7528pySerial\u4e0eNB-IoT\u6a21\u5757\u7684\u4e32\u53e3\u8fdb\u884c\u901a\u4fe1\u3002<\/p>\n<\/p>\n<p><p>\u9996\u5148\uff0c\u5b89\u88c5pySerial\u5e93\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-bash\">pip install pyserial<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u7136\u540e\uff0c\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5b9e\u73b0\u4e0e\u6a21\u5757\u7684\u901a\u4fe1\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import serial<\/p>\n<h2><strong>\u6253\u5f00\u4e32\u53e3<\/strong><\/h2>\n<p>ser = serial.Serial(&#39;\/dev\/ttyUSB0&#39;, 9600, timeout=1)<\/p>\n<h2><strong>\u53d1\u9001AT\u6307\u4ee4<\/strong><\/h2>\n<p>ser.write(b&#39;AT+CSQ\\r&#39;)<\/p>\n<h2><strong>\u8bfb\u53d6\u6a21\u5757\u54cd\u5e94<\/strong><\/h2>\n<p>response = ser.readline().decode(&#39;utf-8&#39;)<\/p>\n<p>print(response)<\/p>\n<h2><strong>\u5173\u95ed\u4e32\u53e3<\/strong><\/h2>\n<p>ser.close()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u7528\u6237\u53ef\u4ee5\u53d1\u9001AT\u6307\u4ee4\u5e76\u8bfb\u53d6\u6a21\u5757\u7684\u54cd\u5e94\uff0c\u4ece\u800c\u63a7\u5236\u6a21\u5757\u7684\u64cd\u4f5c\u3002<\/p>\n<\/p>\n<p><h3>\u4e09\u3001\u901a\u8fc7Python\u5b9e\u73b0NB-IoT\u6570\u636e\u4f20\u8f93<\/h3>\n<\/p>\n<p><p>\u9664\u4e86\u4f7f\u7528AT\u6307\u4ee4\u8fdb\u884c\u57fa\u672c\u7684\u6a21\u5757\u63a7\u5236\u5916\uff0c\u7528\u6237\u8fd8\u53ef\u4ee5\u5229\u7528Python\u811a\u672c\u5b9e\u73b0NB-IoT\u7684\u6570\u636e\u4f20\u8f93\u3002\u8fd9\u5305\u62ec\u4ece\u4f20\u611f\u5668\u91c7\u96c6\u6570\u636e\uff0c\u901a\u8fc7NB-IoT\u7f51\u7edc\u4f20\u8f93\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\u6216\u4e91\u5e73\u53f0\u3002<\/p>\n<\/p>\n<p><h4>3.1 \u6570\u636e\u91c7\u96c6<\/h4>\n<\/p>\n<p><p>\u5728\u5b9e\u73b0\u6570\u636e\u4f20\u8f93\u4e4b\u524d\uff0c\u9996\u5148\u9700\u8981\u4ece\u4f20\u611f\u5668\u91c7\u96c6\u6570\u636e\u3002Python\u63d0\u4f9b\u4e86\u591a\u79cd\u5e93\u6765\u4e0e\u4f20\u611f\u5668\u8fdb\u884c\u4ea4\u4e92\uff0c\u5982GPIO\u3001I2C\u7b49\u63a5\u53e3\u5e93\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u8bfb\u53d6\u6e29\u5ea6\u4f20\u611f\u5668\u6570\u636e\u7684\u793a\u4f8b\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import Adafruit_DHT<\/p>\n<h2><strong>\u8bbe\u7f6e\u4f20\u611f\u5668\u7c7b\u578b\u548c\u5f15\u811a<\/strong><\/h2>\n<p>sensor = Adafruit_DHT.DHT22<\/p>\n<p>pin = 4<\/p>\n<h2><strong>\u8bfb\u53d6\u6e29\u6e7f\u5ea6\u6570\u636e<\/strong><\/h2>\n<p>humidity, temperature = Adafruit_DHT.read_retry(sensor, pin)<\/p>\n<p>if humidity is not None and temperature is not None:<\/p>\n<p>    print(f&#39;Temp={temperature:0.1f}*C  Humidity={humidity:0.1f}%&#39;)<\/p>\n<p>else:<\/p>\n<p>    print(&#39;F<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>led to get reading. Try again!&#39;)<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><h4>3.2 \u6570\u636e\u4f20\u8f93<\/h4>\n<\/p>\n<p><p>\u91c7\u96c6\u5230\u6570\u636e\u540e\uff0c\u53ef\u4ee5\u901a\u8fc7NB-IoT\u6a21\u5757\u5c06\u5176\u4f20\u8f93\u5230\u8fdc\u7a0b\u670d\u52a1\u5668\u3002\u7528\u6237\u53ef\u4ee5\u4f7f\u7528AT\u6307\u4ee4\u521b\u5efaSocket\u8fde\u63a5\uff0c\u5e76\u901a\u8fc7Socket\u53d1\u9001\u6570\u636e\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u53d1\u9001\u6570\u636e\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\"># \u5047\u8bbe\u5df2\u901a\u8fc7pySerial\u4e0e\u6a21\u5757\u5efa\u7acb\u8fde\u63a5<\/p>\n<h2><strong>\u8bbe\u7f6ePDP\u4e0a\u4e0b\u6587<\/strong><\/h2>\n<p>ser.write(b&#39;AT+CGDCONT=1,&quot;IP&quot;,&quot;APN&quot;\\r&#39;)<\/p>\n<p>print(ser.readline().decode(&#39;utf-8&#39;))<\/p>\n<h2><strong>\u9644\u7740\u7f51\u7edc<\/strong><\/h2>\n<p>ser.write(b&#39;AT+CGATT=1\\r&#39;)<\/p>\n<p>print(ser.readline().decode(&#39;utf-8&#39;))<\/p>\n<h2><strong>\u521b\u5efaSocket<\/strong><\/h2>\n<p>ser.write(b&#39;AT+NSOCR=&quot;DGRAM&quot;,17,1234,1\\r&#39;)<\/p>\n<p>socket_id = ser.readline().decode(&#39;utf-8&#39;).strip()<\/p>\n<h2><strong>\u53d1\u9001\u6570\u636e<\/strong><\/h2>\n<p>data = &#39;Hello, NB-IoT!&#39;<\/p>\n<p>ser.write(f&#39;AT+NSOST={socket_id},&quot;SERVER_IP&quot;,PORT,{len(data)},{data}\\r&#39;.encode())<\/p>\n<p>print(ser.readline().decode(&#39;utf-8&#39;))<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u7528\u6237\u9700\u8981\u66ff\u6362<code>&quot;APN&quot;<\/code>\u3001<code>&quot;SERVER_IP&quot;<\/code>\u548c<code>PORT<\/code>\u4e3a\u5b9e\u9645\u7684\u63a5\u5165\u70b9\u540d\u79f0\u3001\u670d\u52a1\u5668IP\u5730\u5740\u548c\u7aef\u53e3\u53f7\u3002<\/p>\n<\/p>\n<p><h3>\u56db\u3001NB-IoT\u4e0e\u7269\u8054\u7f51\u5e73\u53f0\u7684\u96c6\u6210<\/h3>\n<\/p>\n<p><p>\u4e3a\u4e86\u5b9e\u73b0\u66f4\u9ad8\u6548\u7684\u6570\u636e\u5904\u7406\u548c\u5206\u6790\uff0c\u7528\u6237\u53ef\u4ee5\u5c06NB-IoT\u6a21\u5757\u4e0e\u7269\u8054\u7f51\u5e73\u53f0\u96c6\u6210\u3002\u7269\u8054\u7f51\u5e73\u53f0\u53ef\u4ee5\u63d0\u4f9b\u6570\u636e\u5b58\u50a8\u3001\u5206\u6790\u3001\u53ef\u89c6\u5316\u7b49\u670d\u52a1\uff0c\u4f7f\u7528\u6237\u80fd\u591f\u66f4\u597d\u5730\u7ba1\u7406\u548c\u5229\u7528\u6570\u636e\u3002<\/p>\n<\/p>\n<p><h4>4.1 \u9009\u62e9\u7269\u8054\u7f51\u5e73\u53f0<\/h4>\n<\/p>\n<p><p>\u5e02\u9762\u4e0a\u6709\u591a\u79cd\u7269\u8054\u7f51\u5e73\u53f0\u53ef\u4f9b\u9009\u62e9\uff0c\u5982AWS IoT\u3001Azure IoT Hub\u3001Google Cloud IoT\u7b49\u3002\u7528\u6237\u53ef\u4ee5\u6839\u636e\u9700\u6c42\u9009\u62e9\u5408\u9002\u7684\u5e73\u53f0\u3002\u9009\u62e9\u5e73\u53f0\u65f6\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u56e0\u7d20\uff1a<\/p>\n<\/p>\n<ul>\n<li><strong>\u529f\u80fd\u9700\u6c42<\/strong>\uff1a\u5e73\u53f0\u662f\u5426\u63d0\u4f9b\u6240\u9700\u7684\u529f\u80fd\uff0c\u5982\u6570\u636e\u5b58\u50a8\u3001\u5206\u6790\u3001\u53ef\u89c6\u5316\u7b49\u3002<\/li>\n<li><strong>\u6210\u672c<\/strong>\uff1a\u5e73\u53f0\u7684\u6536\u8d39\u6a21\u5f0f\u662f\u5426\u7b26\u5408\u9884\u7b97\u3002<\/li>\n<li><strong>\u6613\u7528\u6027<\/strong>\uff1a\u5e73\u53f0\u7684\u4f7f\u7528\u662f\u5426\u7b80\u5355\u6613\u61c2\u3002<\/li>\n<li><strong>\u6269\u5c55\u6027<\/strong>\uff1a\u5e73\u53f0\u662f\u5426\u652f\u6301\u5927\u89c4\u6a21\u8bbe\u5907\u63a5\u5165\u548c\u6570\u636e\u5904\u7406\u3002<\/li>\n<\/ul>\n<p><h4>4.2 \u6570\u636e\u4e0a\u4f20\u81f3\u7269\u8054\u7f51\u5e73\u53f0<\/h4>\n<\/p>\n<p><p>\u5c06\u6570\u636e\u4e0a\u4f20\u81f3\u7269\u8054\u7f51\u5e73\u53f0\u901a\u5e38\u9700\u8981\u901a\u8fc7HTTP\u3001MQTT\u7b49\u534f\u8bae\u8fdb\u884c\u901a\u4fe1\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u901a\u8fc7MQTT\u534f\u8bae\u5c06\u6570\u636e\u4e0a\u4f20\u81f3\u5e73\u53f0\u7684\u793a\u4f8b\u4ee3\u7801\uff1a<\/p>\n<\/p>\n<p><pre><code class=\"language-python\">import paho.mqtt.client as mqtt<\/p>\n<h2><strong>\u5b9a\u4e49MQTT\u56de\u8c03\u51fd\u6570<\/strong><\/h2>\n<p>def on_connect(client, userdata, flags, rc):<\/p>\n<p>    print(f&quot;Connected with result code {rc}&quot;)<\/p>\n<p>    client.subscribe(&quot;iot\/topic&quot;)<\/p>\n<p>def on_message(client, userdata, msg):<\/p>\n<p>    print(f&quot;{msg.topic} {msg.payload}&quot;)<\/p>\n<h2><strong>\u521b\u5efaMQTT\u5ba2\u6237\u7aef\u5e76\u8fde\u63a5\u81f3\u670d\u52a1\u5668<\/strong><\/h2>\n<p>client = mqtt.Client()<\/p>\n<p>client.on_connect = on_connect<\/p>\n<p>client.on_message = on_message<\/p>\n<p>client.connect(&quot;mqtt.example.com&quot;, 1883, 60)<\/p>\n<h2><strong>\u53d1\u9001\u6570\u636e<\/strong><\/h2>\n<p>client.publish(&quot;iot\/topic&quot;, &quot;Hello, IoT Platform!&quot;)<\/p>\n<h2><strong>\u5faa\u73af\u5904\u7406\u7f51\u7edc\u4e8b\u4ef6<\/strong><\/h2>\n<p>client.loop_forever()<\/p>\n<p><\/code><\/pre>\n<\/p>\n<p><p>\u7528\u6237\u9700\u8981\u66ff\u6362<code>&quot;mqtt.example.com&quot;<\/code>\u548c<code>&quot;iot\/topic&quot;<\/code>\u4e3a\u5b9e\u9645\u7684MQTT\u670d\u52a1\u5668\u5730\u5740\u548c\u4e3b\u9898\u3002<\/p>\n<\/p>\n<p><h3>\u4e94\u3001\u5b9e\u73b0NB-IoT\u9879\u76ee\u7684\u6700\u4f73\u5b9e\u8df5<\/h3>\n<\/p>\n<p><p>\u5728\u5b9e\u9645\u9879\u76ee\u4e2d\uff0c\u7528\u6237\u9700\u8981\u8003\u8651\u591a\u4e2a\u65b9\u9762\uff0c\u4ee5\u786e\u4fddNB-IoT\u9879\u76ee\u7684\u6210\u529f\u5b9e\u65bd\u3002<\/p>\n<\/p>\n<p><h4>5.1 \u786c\u4ef6\u9009\u62e9\u4e0e\u914d\u7f6e<\/h4>\n<\/p>\n<p><p>\u9009\u62e9\u5408\u9002\u7684NB-IoT\u6a21\u5757\u548c\u4f20\u611f\u5668\u662f\u9879\u76ee\u6210\u529f\u7684\u57fa\u7840\u3002\u7528\u6237\u9700\u8981\u6839\u636e\u5e94\u7528\u573a\u666f\u9009\u62e9\u5408\u9002\u7684\u786c\u4ef6\u8bbe\u5907\uff0c\u5e76\u786e\u4fdd\u6a21\u5757\u652f\u6301\u6240\u9700\u7684\u9891\u6bb5\u548c\u8fd0\u8425\u5546\u7f51\u7edc\u3002\u6b64\u5916\uff0c\u6a21\u5757\u7684\u914d\u7f6e\u5982APN\u8bbe\u7f6e\u3001\u7f51\u7edc\u9644\u7740\u7b49\u4e5f\u9700\u6b63\u786e\u65e0\u8bef\u3002<\/p>\n<\/p>\n<p><h4>5.2 \u7f51\u7edc\u8fde\u63a5\u7a33\u5b9a\u6027<\/h4>\n<\/p>\n<p><p>NB-IoT\u8bbe\u5907\u901a\u5e38\u9700\u8981\u5728\u6076\u52a3\u7684\u73af\u5883\u4e2d\u8fd0\u884c\uff0c\u56e0\u6b64\u7f51\u7edc\u8fde\u63a5\u7684\u7a33\u5b9a\u6027\u81f3\u5173\u91cd\u8981\u3002\u7528\u6237\u5e94\u786e\u4fdd\u8bbe\u5907\u5728\u4e0d\u540c\u7684\u73af\u5883\u4e0b\u90fd\u80fd\u4fdd\u6301\u7a33\u5b9a\u7684\u7f51\u7edc\u8fde\u63a5\uff0c\u5e76\u5728\u4fe1\u53f7\u8f83\u5f31\u7684\u5730\u65b9\u589e\u52a0\u5929\u7ebf\u6216\u4f7f\u7528\u4fe1\u53f7\u589e\u5f3a\u8bbe\u5907\u3002<\/p>\n<\/p>\n<p><h4>5.3 \u6570\u636e\u5b89\u5168\u6027<\/h4>\n<\/p>\n<p><p>\u7269\u8054\u7f51\u8bbe\u5907\u7684\u6570\u636e\u5b89\u5168\u6027\u540c\u6837\u4e0d\u53ef\u5ffd\u89c6\u3002\u7528\u6237\u5e94\u4f7f\u7528\u52a0\u5bc6\u534f\u8bae\uff08\u5982TLS\/SSL\uff09\u6765\u4fdd\u62a4\u6570\u636e\u4f20\u8f93\u7684\u5b89\u5168\u6027\uff0c\u9632\u6b62\u6570\u636e\u88ab\u7a83\u53d6\u6216\u7be1\u6539\u3002\u6b64\u5916\uff0c\u8fd8\u9700\u5b9a\u671f\u66f4\u65b0\u8bbe\u5907\u56fa\u4ef6\u4ee5\u4fee\u590d\u5b89\u5168\u6f0f\u6d1e\u3002<\/p>\n<\/p>\n<p><h3>\u516d\u3001\u603b\u7ed3<\/h3>\n<\/p>\n<p><p>\u901a\u8fc7Python\u63a7\u5236NB-IoT\u6a21\u5757\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u7269\u8054\u7f51\u8bbe\u5907\u7684\u7075\u6d3b\u7ba1\u7406\u548c\u9ad8\u6548\u6570\u636e\u4f20\u8f93\u3002\u7528\u6237\u53ef\u4ee5\u901a\u8fc7AT\u6307\u4ee4\u5b9e\u73b0\u57fa\u672c\u7684\u6a21\u5757\u63a7\u5236\uff0c\u5e76\u5229\u7528Python\u7684\u4e32\u53e3\u901a\u4fe1\u548c\u7f51\u7edc\u901a\u4fe1\u5e93\u5b9e\u73b0\u6570\u636e\u7684\u91c7\u96c6\u548c\u4f20\u8f93\u3002\u540c\u65f6\uff0c\u501f\u52a9\u7269\u8054\u7f51\u5e73\u53f0\uff0c\u7528\u6237\u53ef\u4ee5\u5b9e\u73b0\u6570\u636e\u7684\u5b58\u50a8\u3001\u5206\u6790\u548c\u53ef\u89c6\u5316\uff0c\u4ece\u800c\u66f4\u597d\u5730\u5229\u7528NB-IoT\u6280\u672f\u670d\u52a1\u4e8e\u5b9e\u9645\u5e94\u7528\u3002\u5728\u5b9e\u65bdNB-IoT\u9879\u76ee\u65f6\uff0c\u7528\u6237\u9700\u7efc\u5408\u8003\u8651\u786c\u4ef6\u9009\u62e9\u3001\u7f51\u7edc\u8fde\u63a5\u3001\u6570\u636e\u5b89\u5168\u7b49\u56e0\u7d20\uff0c\u4ee5\u786e\u4fdd\u9879\u76ee\u7684\u6210\u529f\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p> <strong>\u5982\u4f55\u4f7f\u7528Python\u4e0eNB-IoT\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\uff1f<\/strong><br \/>\u4f7f\u7528Python\u4e0eNB-IoT\u8bbe\u5907\u8fdb\u884c\u901a\u4fe1\u901a\u5e38\u9700\u8981\u501f\u52a9\u4e00\u4e9b\u5e93\u548c\u5de5\u5177\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u4f7f\u7528<code>paho-mqtt<\/code>\u5e93\u6765\u5b9e\u73b0\u4e0eNB-IoT\u7f51\u7edc\u7684MQTT\u534f\u8bae\u8fde\u63a5\u3002\u901a\u8fc7\u914d\u7f6eMQTT\u4ee3\u7406\u670d\u52a1\u5668\u7684\u5730\u5740\u548c\u7aef\u53e3\uff0c\u60a8\u53ef\u4ee5\u8f7b\u677e\u5730\u53d1\u5e03\u548c\u8ba2\u9605\u6d88\u606f\uff0c\u8fdb\u800c\u63a7\u5236NB-IoT\u8bbe\u5907\u7684\u884c\u4e3a\u3002\u6b64\u5916\uff0c\u4f7f\u7528<code>requests<\/code>\u5e93\u53ef\u4ee5\u901a\u8fc7HTTP\u534f\u8bae\u4e0e\u8bbe\u5907\u8fdb\u884c\u6570\u636e\u4ea4\u4e92\uff0c\u53d1\u9001\u63a7\u5236\u6307\u4ee4\u548c\u63a5\u6536\u4f20\u611f\u5668\u6570\u636e\u3002<\/p>\n<p><strong>NB-IoT\u8bbe\u5907\u7684Python\u63a7\u5236\u9700\u8981\u54ea\u4e9b\u786c\u4ef6\u652f\u6301\uff1f<\/strong><br \/>\u8981\u901a\u8fc7Python\u63a7\u5236NB-IoT\u8bbe\u5907\uff0c\u901a\u5e38\u9700\u8981\u5177\u5907NB-IoT\u6a21\u5757\uff08\u5982Quectel BC95\u6216SIM7020\u7b49\uff09\u548c\u5fae\u63a7\u5236\u5668\uff08\u5982\u6811\u8393\u6d3e\u6216Arduino\uff09\u3002NB-IoT\u6a21\u5757\u8d1f\u8d23\u4e0e\u79fb\u52a8\u7f51\u7edc\u7684\u8fde\u63a5\uff0c\u800c\u5fae\u63a7\u5236\u5668\u5219\u53ef\u8fd0\u884cPython\u4ee3\u7801\u6765\u53d1\u9001\u63a7\u5236\u547d\u4ee4\u6216\u5904\u7406\u6570\u636e\u3002\u6b64\u5916\uff0c\u786e\u4fdd\u4f60\u7684\u5f00\u53d1\u73af\u5883\u80fd\u591f\u4e0eNB-IoT\u6a21\u5757\u8fdb\u884c\u4e32\u53e3\u901a\u4fe1\uff0c\u8fd9\u6837\u624d\u80fd\u987a\u5229\u5b9e\u73b0\u63a7\u5236\u3002<\/p>\n<p><strong>\u5982\u4f55\u5728Python\u4e2d\u5904\u7406NB-IoT\u7684\u6570\u636e\uff1f<\/strong><br \/>\u5728Python\u4e2d\u5904\u7406NB-IoT\u6570\u636e\uff0c\u53ef\u4ee5\u4f7f\u7528\u6570\u636e\u89e3\u6790\u5e93\u5982<code>json<\/code>\u6765\u89e3\u6790\u4eceNB-IoT\u8bbe\u5907\u63a5\u6536\u5230\u7684\u6570\u636e\u3002\u901a\u8fc7\u5efa\u7acb\u4e0eNB-IoT\u7f51\u7edc\u7684\u8fde\u63a5\u540e\uff0c\u60a8\u53ef\u4ee5\u4f7f\u7528HTTP\u8bf7\u6c42\u6216MQTT\u534f\u8bae\u63a5\u6536\u6570\u636e\u3002\u63a5\u6536\u5230\u7684\u6570\u636e\u901a\u5e38\u662fJSON\u683c\u5f0f\uff0c\u53ef\u4ee5\u901a\u8fc7<code>json.loads()<\/code>\u51fd\u6570\u5c06\u5176\u8f6c\u6362\u4e3aPython\u5b57\u5178\uff0c\u65b9\u4fbf\u540e\u7eed\u7684\u6570\u636e\u5904\u7406\u548c\u5206\u6790\u3002\u540c\u65f6\uff0c\u4e3a\u4e86\u786e\u4fdd\u6570\u636e\u7684\u5b89\u5168\u6027\uff0c\u53ef\u4ee5\u8003\u8651\u4f7f\u7528\u52a0\u5bc6\u624b\u6bb5\u6765\u4fdd\u62a4\u6570\u636e\u4f20\u8f93\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u901a\u8fc7Python\u63a7\u5236NB-IoT\u53ef\u4ee5\u901a\u8fc7\u4f7f\u7528NB-IoT\u6a21\u5757\u7684AT\u6307\u4ee4\u3001\u4f7f\u7528Python\u7684\u4e32\u53e3\u901a\u4fe1\u5e93\u5982pySe [&hellip;]","protected":false},"author":3,"featured_media":982687,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/982678"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=982678"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/982678\/revisions"}],"predecessor-version":[{"id":982689,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/982678\/revisions\/982689"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/982687"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=982678"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=982678"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=982678"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}