{"id":17366,"date":"2023-12-18T11:16:35","date_gmt":"2023-12-18T03:16:35","guid":{"rendered":"https:\/\/www.zhidianwl.com\/zhidian\/?p=17366"},"modified":"2023-12-18T11:16:35","modified_gmt":"2023-12-18T03:16:35","slug":"python%e5%bc%80%e5%8f%91%e5%ae%89%e5%8d%93app%e5%92%8cplc%e9%80%9a%e8%ae%af%e6%b3%a8%e6%84%8f%e4%ba%8b%e9%a1%b9%e4%bb%8b%e7%bb%8d","status":"publish","type":"post","link":"https:\/\/www.zhidianwl.com\/zhidian\/2023\/17366\/","title":{"rendered":"python\u5f00\u53d1\u5b89\u5353app\u548cplc\u901a\u8baf\u6ce8\u610f\u4e8b\u9879\u4ecb\u7ecd"},"content":{"rendered":"<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u5c06\u5e26\u9886\u5927\u5bb6\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Python\u5f00\u53d1\u4e00\u4e2a\u7b80\u5355\u7684Android\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f7f\u5176\u4e0e\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668 (PLC) \u901a\u8baf\u3002\u8fd9\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u7269\u8054\u7f51 (IoT) \u9886\u57df\u4e2d\u975e\u5e38\u6709\u7528\u3002<\/p>\n<p>\u9996\u5148\uff0c\u4e3a\u4e86\u7528Python\u7f16\u5199Android APP\uff0c\u6211\u4eec\u9700\u8981\u4f7f\u7528BeeWare\u5de5\u5177\u5305\u3002BeeWare\u662f\u4e00\u4e2a\u5f00\u6e90\u9879\u76ee\uff0c\u5b83\u5141\u8bb8\u4f60\u4f7f\u7528Python\u7f16\u5199\u539f\u751f\u624b\u673a\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p>\u6b65\u9aa41\uff1a\u5b89\u88c5BeeWare<\/p>\n<p>\u5728\u5b89\u88c5BeeWare\u4e4b\u524d\uff0c\u8bf7\u786e\u4fdd\u5df2\u7ecf\u5b89\u88c5\u4e86Python 3.6\u6216\u66f4\u9ad8\u7248\u672c\u3002\u8981\u5b89\u88c5BeeWare\uff0c\u8bf7\u6309\u7167\u4ee5\u4e0b\u6b65\u9aa4\u64cd\u4f5c\uff1a<\/p>\n<p>1. \u6253\u5f00\u547d\u4ee4\u63d0\u793a\u7b26\u6216\u7ec8\u7aef\uff0c\u5e76\u8f93\u5165\u4ee5\u4e0b\u547d\u4ee4\uff1a<\/p>\n<p>   &#8220;`<\/p>\n<p>   pip install briefcase<\/p>\n<p>   &#8220;`<\/p>\n<p>2. \u4e00\u65e6\u5b89\u88c5\u5b8c\u6210\uff0c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u9a8c\u8bc1Briefcase\u662f\u5426\u5df2\u6b63\u786e\u5b89\u88c5\uff1a<\/p>\n<p>   &#8220;`<\/p>\n<p>   briefcase &#8211;version<\/p>\n<p>   &#8220;`<\/p>\n<p>\u6b65\u9aa42\uff1a\u521b\u5efa\u9879\u76ee<\/p>\n<p>1. \u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u521b\u5efa\u4e00\u4e2a\u65b0\u7684Python\u9879\u76ee\uff1a<\/p>\n<p>   &#8220;`<\/p>\n<p>   briefcase new<\/p>\n<p>   &#8220;`<\/p>\n<p>2. \u6839\u636e\u63d0\u793a\u952e\u5165\u4f60\u7684\u9879\u76ee\u540d\u79f0\u3001APP\u540d\u79f0\u3001\u5305\u540d\u3001\u4f5c\u8005\u7b49\u8be6\u7ec6\u4fe1\u606f\u3002<\/p>\n<p>3. \u5b8c\u6210\u540e\uff0c\u8fdb\u5165\u521b\u5efa\u7684\u9879\u76ee\u6587\u4ef6\u5939\u5185\uff0c\u91cc\u9762\u4f1a\u6709`src`\u6587\u4ef6\u5939\u548c`pyproject.toml`\u6587\u4ef6\u3002<\/p>\n<p>\u6b65\u9aa43\uff1a\u7f16\u5199\u5e94\u7528\u7a0b\u5e8f\u4ee3\u7801<\/p>\n<p>\u6211\u4eec\u5c06\u5728src\u6587\u4ef6\u5939\u4e2d\u7f16\u5199\u6211\u4eec\u7684\u5e94\u7528\u7a0b\u5e8f\u3002\u9996\u5148\uff0c\u6211\u4eec\u9700\u8981\u5b89\u88c5PyModbus\u5e93\uff0c\u5728\u7ec8\u7aef\u4e2d\u8fd0\u884c\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>pip install pymodbus<\/p>\n<p>&#8220;`<\/p>\n<p>\u63a5\u4e0b\u6765\uff0c\u5728src\u7684&#8217;app&#8217;\u6587\u4ef6\u5939\u4e2d\u521b\u5efa\u4e00\u4e2a\u540d\u4e3a`main.py`\u7684\u6587\u4ef6\uff0c\u5c06\u4ee5\u4e0b\u4ee3\u7801\u7c98\u8d34\u5230\u6587\u4ef6\u4e2d\uff1a<\/p>\n<p>&#8220;`python<\/p>\n<p>from pymodbus.client.sync import ModbusTcpClient as ModbusClient<\/p>\n<p>from beeware import toga<\/p>\n<p>class ModbusTcpApp(toga.App):<\/p>\n<p>    def startup(self):<\/p>\n<p>        self.main_window = toga.MainWindow(title=self.formal_name)<\/p>\n<p>        self.ip_address_input = toga.TextInput(placeho<a href=\"https:\/\/www.anzhuoe.com\/\">\u5b89\u5353app<\/a>lder=&#8221;IP\u5730\u5740&#8221;)<\/p>\n<p>        self.connect_button = toga.Button(&#8220;\u8fde\u63a5PLC&#8221;, on_press=self.connect_to_plc)<\/p>\n<p>        self.status_label = toga.Label(&#8220;\u672a\u8fde\u63a5&#8221;)<\/p>\n<p>        self.read_button = toga.Button(&#8220;\u8bfb\u53d6\u6570\u636e&#8221;, on_press=self.read_data)<\/p>\n<p>        self.write_button = toga.Button(&#8220;\u5199\u5165\u6570\u636e&#8221;, on_press=self.write_data)<\/p>\n<p>        self.data_label = toga.Label(&#8220;\u6570\u636e\uff1a&#8221;)<\/p>\n<p>        self.body = toga.SplitContainer()<\/p>\n<p>        left_box = toga.Box(children=[self.ip_address_input, self.connect_button, self.status_label])<\/p>\n<p>        right_box = toga.Box(children=[self.read_button, self.write_button, self.data_label])<\/p>\n<p>        self.body.content = [left_box, right_box]<\/p>\n<p>        self.main_window.content = self.body<\/p>\n<p>        self.main_window.show()<\/p>\n<p>    def connect_to_plc(self, widget):<\/p>\n<p>        try:<\/p>\n<p>            self.client = ModbusClient(self.ip_address_input.value)<\/p>\n<p>\n<figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/i.cdn.yimenapp.com\/2023-04\/07\/09\/33403671144.jpg\" \/><\/figure>\n<\/p>\n<p>          self.client.connect()<\/p>\n<p>            self.status_label.text = &#8220;\u5df2\u8fde\u63a5&#8221;<\/p>\n<p>        except Exception as e:<\/p>\n<p>            self.status_label.text = f&#8221;\u8fde\u63a5\u5931\u8d25: {e}&#8221;<\/p>\n<p>    def read_data(self, widget):<\/p>\n<p>       <a href=\"https:\/\/www.anzhuoe.com\/\">\u5b89\u5353app\u5236\u4f5c<\/a> try:<\/p>\n<p>            result = self.client.read_holding_registers(0, 1)<\/p>\n<p>            self.data_label.text = f&#8221;\u6570\u636e\uff1a{result.registers[0]}&#8221;<\/p>\n<p>        except Exception as e:<\/p>\n<p>            self.data_label.text = f&#8221;\u6570\u636e\uff1a\u8bfb\u53d6\u5931\u8d25: {e}&#8221;<\/p>\n<p>    def write_data(self, widget):<\/p>\n<p>        try:<\/p>\n<p>            address = 0<\/p>\n<p>            value = 42<\/p>\n<p>            self.client.write_register(address, value)<\/p>\n<p>            self.data_label.text = f&#8221;\u6570\u636e\uff1a\u5199\u5165\u6210\u529f&#8221;<\/p>\n<p>                                                                                        except Exception as e:<\/p>\n<p>            self.data_label.text = f&#8221;\u6570\u636e\uff1a\u5199\u5165\u5931\u8d25: {e}&#8221;<\/p>\n<p>if __name__ == &#8216;__main__&#8217;:<\/p>\n<p>    app = ModbusTcpApp(&#8216;Modbus PLC App&#8217;, &#8216;org.modbus_plc.app&#8217;)<\/p>\n<p>    app.main_loop()<\/p>\n<p>&#8220;`<\/p>\n<p>\u6b64\u4ee3\u7801\u5305\u542b\u4e00\u4e2a\u4f7f\u7528Toga\u5e93\u6784\u5efa\u7684\u7b80\u5355\u5730\u56fe\u754c\u9762\uff0c\u5e76\u4f7f\u7528PyModbus\u5e93\u4e0ePLC\u901a\u8baf\u3002\u8bf7\u6ce8\u610f\uff0c\u6b64\u4ee3\u7801\u662f\u793a\u4f8b\uff0c\u4f60\u53ef\u80fd\u9700\u8981\u6839\u636e\u5b9e\u9645\u7684PLC\u8bbe\u5907\u7c7b\u578b\u548c\u901a\u8baf\u53c2\u6570\u8fdb\u884c\u8c03\u6574\u3002<\/p>\n<p>\u6b65\u9aa44\uff1a\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u5728\u5f00\u53d1\u73af\u5883\u4e2d\u8fd0\u884c\u5e94\u7528\u7a0b\u5e8f\uff1a<\/p>\n<p>&#8220;`<\/p>\n<p>briefcase dev<\/p>\n<p>&#8220;`<\/p>\n<p>\u8fd9\u5c06\u542f\u52a8\u4e00\u4e2a\u6a21\u62df\u5668\uff0c\u5e76\u5728\u6a21\u62df\u5668\u4e0a\u8fd0\u884c\u4f60\u7684\u7528\u4e8e\u8bbf\u95eePLC\u7684Python Android\u5e94\u7528\u3002<\/p>\n<p>\u603b\u7ed3<\/p>\n<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u4eec\u63a2\u8ba8\u4e86\u5982\u4f55\u4f7f\u7528Python\u548cBeeWare\u5de5\u5177\u5305\u521b\u5efa\u4e00\u4e2aAndroid\u5e94\u7528\u7a0b\u5e8f\uff0c\u4ee5\u53ca\u5982\u4f55\u4e0ePLC\u8fdb\u884c\u901a\u8baf\u3002\u8fd9\u4e3a\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u7269\u8054\u7f51\u9886\u57df\u4e2d\u7684Python\u5f00\u53d1\u4eba\u5458\u63d0\u4f9b\u4e86\u4e00\u4e2a\u57fa\u672c\u7684\u5165\u95e8\u3002\u4e0d\u8fc7\u8981\u6ce8\u610f\uff0c\u4e0a\u8ff0\u793a\u4f8b\u662f\u57fa\u4e8e\u7b80\u5316\u7684\u573a\u666f\uff0c\u5b9e\u9645\u5e94\u7528\u4e2d\u4f60\u53ef\u80fd\u9700\u8981\u66f4\u590d\u6742\u7684\u903b\u8f91\u548c\u9519\u8bef\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5728\u672c\u6559\u7a0b\u4e2d\uff0c\u6211\u5c06\u5e26\u9886\u5927\u5bb6\u4e86\u89e3\u5982\u4f55\u4f7f\u7528Python\u5f00\u53d1\u4e00\u4e2a\u7b80\u5355\u7684Android\u5e94\u7528\u7a0b\u5e8f\uff0c\u4f7f\u5176\u4e0e\u53ef\u7f16\u7a0b\u903b\u8f91\u63a7\u5236\u5668 (PLC) \u901a\u8baf\u3002\u8fd9\u5728\u5de5\u4e1a\u81ea\u52a8\u5316\u548c\u7269\u8054\u7f51 (IoT) \u9886\u57df\u4e2d\u975e\u5e38\u6709\u7528\u3002\u9996\u5148\uff0c\u4e3a\u4e86\u7528Pyt<\/p>\n","protected":false},"author":13,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[23622,14,95,23623,1066],"class_list":["post-17366","post","type-post","status-publish","format-standard","hentry","category-zuoapp","tag-goapp","tag-14","tag-95","tag-app","tag-1066"],"_links":{"self":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/17366","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/comments?post=17366"}],"version-history":[{"count":1,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/17366\/revisions"}],"predecessor-version":[{"id":17392,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/posts\/17366\/revisions\/17392"}],"wp:attachment":[{"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/media?parent=17366"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/categories?post=17366"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zhidianwl.com\/zhidian\/wp-json\/wp\/v2\/tags?post=17366"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}