'init'

gitHost.js

@@ -0,0 +1,79 @@
+let axios = require('./node_modules/axios')
+const fs = require('fs')
+let pathContent = process.argv[2] || 'C:\\Windows\\System32\\drivers\\etc'
+
+const path = require('path')
+function exec(cmd) {
+    return require('child_process')
+        .execSync(cmd)
+        .toString()
+        .trim()
+}
+
+const getUrlIp = async () => {
+    let res = await axios.get('https://github.com.ipaddress.com/')
+    let val = res.data.match(/(?<=\.com\/ipv4\/)[\d\.]+/g)
+    return [val[0], 'github.com']
+}
+
+// 2. 获取github域名查询
+const getDomainIp = async () => {
+    let res = await axios.get('https://fastly.net.ipaddress.com/github.global.ssl.fastly.net')
+    let val = res.data.match(/(?<=\.com\/ipv4\/)[\d\.]+/g)
+    return [val[0], 'github.global.ssl.fastly.net']
+}
+// 3. 获取github静态资源ip
+const getStaticIp = async () => {
+    let res = await axios.get('https://github.com.ipaddress.com/assets-cdn.github.com')
+    let val = res.data.match(/(?<=\.com\/ipv4\/)[\d\.]+/g)
+    return [...new Set(val)].map((item) => {
+        return [item, 'assets-cdn.github.com']
+    })
+}
+
+// 4. 生成内容
+Promise.all([getUrlIp(), getDomainIp(), getStaticIp()]).then((res) => {
+    let val = [res[0], res[1], ...res[2]]
+    let str = copyHost(val)
+    console.log(str)
+    writeHost(str)
+})
+
+// 5. 拼接
+const copyHost = (val) => {
+    let str = ''
+    val.forEach((item) => {
+        str += item[0] + ' ' + item[1] + '\n'
+    })
+    return str
+}
+
+// 6. 写入到host文件中
+
+const writeHost = (str) => {
+    let pathUrl = path.join(pathContent, 'hosts')
+    let val = fs.readFileSync(pathUrl, 'utf-8') // 已有的
+    let newStr = str
+    let replaceStr = `
+#tag_start
+${str}
+#tag_end
+    `
+    if (val.indexOf('#tag_start') > -1) {
+        newStr = val.replace(/#tag_start[\s\S]+#tag_end/gi, replaceStr)
+    } else {
+        newStr = val + replaceStr
+    }
+
+    fs.writeFile(pathUrl, newStr, (err) => {
+        let execRes = ''
+        if (!err) {
+            execRes = exec('ipconfig /flushdns')
+        } else {
+            console.log(err)
+        }
+        //测试码云公钥是否设置成功
+        console.error(execRes ? '修改host文件并刷新dns成功' : '刷新dns失败')
+    })
+}
+

index.cmd

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+node ./gitHost.js  C:\Windows\System32\drivers\etc
+pause