C#中如何判断网络的连通状态 【转】

本文介绍了一种使用C#语言实现Ping网络诊断工具的方法。通过创建Ping实例并设置相关选项,可以向指定IP地址发送数据包并接收回复,从而判断网络连通性。
System.Net.NetworkInformation.Ping pingSender = new System.Net.NetworkInformation.Ping();
PingOptions options = new PingOptions();
options.DontFragment = true;
string data = "";
byte[] buffer = Encoding.UTF8.GetBytes(data);
int timeout = 120;
PingReply reply = pingSender.Send("172.16.115.1", timeout, buffer, options);
string info = "";
info = info + "Status:" + reply.Status.ToString() + "/n"; 
按需引入<!DOCTYPE html> <html lang="zh-CN"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <title>Ant Design Vue 纯HTML项目示例</title> <!-- 引入Ant Design Vue的CSS --> <link rel="stylesheet" href="https://unpkg.com/ant-design-vue@3.2.21/dist/antd.css"> <!-- 引入Ant Design X Vue的CSS --> <link rel="stylesheet" href="https://unpkg.com/ant-design-x-vue@1.0.0/dist/antdx.css"> <!-- vue3引入 --> <script src="https://unpkg.com/dayjs/dayjs.min.js"></script> <script src="https://unpkg.com/dayjs/plugin/customParseFormat.js"></script> <script src="https://unpkg.com/dayjs/plugin/weekday.js"></script> <script src="https://unpkg.com/dayjs/plugin/localeData.js"></script> <script src="https://unpkg.com/dayjs/plugin/weekOfYear.js"></script> <script src="https://unpkg.com/dayjs/plugin/weekYear.js"></script> <script src="https://unpkg.com/dayjs/plugin/advancedFormat.js"></script> <script src="https://unpkg.com/dayjs/plugin/quarterOfYear.js"></script> <!-- vue3 --> <script src="https://unpkg.com/vue@3/dist/vue.global.js"></script> <!-- antdv --> <script src="https://cdn.jsdelivr.net/npm/ant-design-vue@4.2.6/dist/antd.min.js"></script> <!-- antdxv --> <script src="https://cdn.jsdelivr.net/npm/ant-design-x-vue@1.2.7/dist/index.umd.min.js"></script> </head> <body> <div id="app"></div> <script> const { createApp, ref, computed } = Vue; const { Button } = antd; const { Bubble, XProvider } = antdx; createApp({ template: ` <AXProvider :theme="{ algorithm: myThemeAlgorithm, }"> <div :style="{ padding: &#39;24px&#39;, backgroundColor: bgColor, }"> UMD <AXBubble content="hello bubble"></AXBubble> <AButton type="primary" @click="setLightTheme">Light</AButton> <AButton type="primary" @click="setDarkTheme">Dark</AButton> </div> </AXProvider> `, setup() { const { theme } = antd; const bgColor = ref("white"); const myThemeAlgorithm = ref(theme.defaultAlgorithm); const setLightTheme = () => { myThemeAlgorithm.value = theme.defaultAlgorithm; bgColor.value = "white"; }; const setDarkTheme = () => { myThemeAlgorithm.value = theme.darkAlgorithm; bgColor.value = "#141414"; }; return { myThemeAlgorithm, bgColor, setLightTheme, setDarkTheme }; } }) .use(XProvider) .use(Button) .use(Bubble) .mount("#app"); </script> <style> .container { max-width: 1200px; margin: 24px auto; padding: 0 16px; } .search-form { margin-bottom: 24px; padding: 16px; background-color: #f5f5f5; border-radius: 4px; } .user-table { margin-top: 16px; } .mb-6 { margin-bottom: 24px; } .mt-2 { margin-top: 8px; } </style> </body> </html>
07-17
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