golang\u306f\u3058\u3081\u3066\u9593\u3082\u306a\u3044\u306e\u3067\u8abf\u3079\u3064\u3064\u8272\u3005\u8a66\u9a13\u4e2d<\/p>\n
\u6a19\u6e96\u5165\u529b\u304b\u3089\u65e5\u4ed8\u5224\u65ad<\/p>\n
package main\r\n\r\nimport (\r\n\t\"bufio\"\r\n\t\"fmt\"\r\n\t\"os\"\r\n\t\"time\"\r\n)\r\n\r\nfunc main() {\r\n\r\n\ttoday := time.Now().Format(\"2\")\r\n\r\n\tif today == \"29\" {\r\n\t\tfmt.Println(\"hit\")\r\n\t\ts := bufio.NewScanner(os.Stdin)\r\n\t\ts.Scan()\r\n\t}\r\n}\r\n<\/pre>\nSQLite\u63a5\u7d9a<\/p>\n
package main\r\n\r\nimport(\r\n\t_ \"os\"\r\n\t\"fmt\"\r\n\t\"database\/sql\"\r\n\r\n\t_ \"github.com\/mattn\/go-sqlite3\"\r\n)\r\n\r\nfunc main(){\r\n\r\n\tfmt.Println(\"start\")\r\n\r\n\tdb, err := sql.Open(\"sqlite3\", \".\/test.d\")\r\n\tif err != nil{\r\n\t\tfmt.Println(err)\r\n\t\treturn\r\n\t}\r\n\r\n\tdefer db.Close()\r\n\tdefer fmt.Println(\"db close\")\r\n\r\n\t_, err = db.Exec(\"create table t1 (id int)\")\r\n\tif err != nil{\r\n\t\tfmt.Println(err)\r\n\t\t\/\/return\r\n\t}\r\n\r\n\t_, err = db.Exec(\"insert into t1 (id) values (2)\")\r\n\tif err != nil{\r\n\t\tfmt.Println(err)\r\n\t\treturn\r\n\t}\r\n\r\n\tvar c int\r\n\trows, err := db.Query(\"select count(*) as c from sqlite_master where name = 't1'\")\r\n\tif err != nil{\r\n\t\tfmt.Println(err)\r\n\t\treturn\r\n\t}\r\n\tdefer rows.Close()\r\n\tdefer fmt.Println(\"rows close\")\r\n\r\n\tfor rows.Next(){\r\n\t\terr := rows.Scan(&c)\r\n\t\tif err != nil{\r\n\t\t\treturn\r\n\t\t}\r\n\t\tfmt.Println(c)\r\n\t}\r\n\tfmt.Println(\"end\")\r\n}\r\n<\/pre>\n\u30b5\u30fc\u30d0\u30fc<\/p>\n
package main\r\nimport (\r\n\t\"fmt\"\r\n\t\"net\/http\"\r\n)\r\n\r\ntype Str string\r\nfunc (s Str) ServeHTTP(w http.ResponseWriter, r *http.Request){\r\n\tfmt.Fprint(w, s)\r\n}\r\n\r\nfunc main() {\r\n\r\n\tfmt.Println(\"server is running\")\r\n\r\n\t\/* HandleFunc *\/\r\n\thttp.HandleFunc(\"\/\", handler)\r\n\r\n\thttp.HandleFunc(\"\/b\", func(w http.ResponseWriter, r *http.Request){\r\n\t\tfmt.Fprint(w, \"Hello b\")\r\n\t})\r\n\r\n\thttp.HandleFunc(\"\/e\", Rec)\r\n\r\n\t\/* Handle *\/\r\n\thttp.Handle(\"\/c\", Str(\"hello c\"))\/\/ServeHTTP\u3092\u6301\u3063\u305f\u69cb\u9020\u4f53\u3092\u6e21\u305b\u3070OK\r\n\r\n\t\/\/\u30d5\u30a1\u30a4\u30eb\u914d\u4fe1\r\n\thttp.Handle(\"\/d\", http.StripPrefix(\"\/d\", http.FileServer(http.Dir(\"file\"))))\r\n\thttp.ListenAndServe(\":8000\", nil)\r\n}\r\n\r\nfunc Rec(w http.ResponseWriter, r *http.Request){\r\n\tif r.Method == http.MethodGet{\r\n\t\tfmt.Fprint(w, r.URL.RawQuery)\r\n\t}\r\n}\r\n\r\nfunc handler(w http.ResponseWriter, r *http.Request){\r\n\tfmt.Fprint(w, \"Hello a\")\r\n\t\/\/fmt.Fprint(w, &url.URL)\r\n}\r\n<\/pre>\nSSH\u63a5\u7d9a<\/p>\n
package main\r\nimport(\r\n\t\"io\/ioutil\"\r\n\t\"golang.org\/x\/crypto\/ssh\"\r\n)\r\n\r\nfunc main(){\r\n\tip := \"xxx\"\r\n\tport := \"xxx\"\r\n\tuser := \"xxx\"\r\n\r\nbuf, err := ioutil.ReadFile(\"t.pem\")\r\nif err != nil{\r\n\treturn\r\n}\r\nkey, err := ssh.ParsePrivateKey(buf)\r\nif err != nil{\r\n\treturn\r\n}\r\n\r\nconfig := &ssh.ClientConfig{\r\n\tUser: user,\r\n\tAuth: []ssh.AuthMethod{\r\n\t\tssh.PublicKeys(key),\r\n\t},\r\n\tHostKeyCallback: ssh.InsecureIgnoreHostKey(),\r\n}\r\n\r\nconn, err := ssh.Dial(\"tcp\", ip + \":\" + port, config)\r\nif err != nil{\r\n\treturn\r\n}\r\ndefer conn.Close()\r\n\r\nsession, err := conn.NewSession()\r\nif err != nil{\r\n\treturn\r\n}\r\ndefer session.Close()\r\n\r\nsession.Run(\"echo -n > a.txt\")\r\n\r\n}\r\n<\/pre>\n\u4ed6\u8a00\u8a9e\u3067\u8a00\u3046\u30af\u30e9\u30b9<\/p>\n
package main\r\n\r\nimport(\r\n \"fmt\"\r\n)\r\n\r\ntype greeting struct{\r\n words string\r\n}\r\n\r\nfunc (g *greeting) sayHello(){\r\n fmt.Println(g.words)\r\n}\r\n\r\nfunc main(){\r\n\r\n s := &greeting{\r\n words : \"hello world\",\r\n }\r\n\r\n s.sayHello() \/\/hello world\r\n\r\n}<\/pre>\njson\u8aad\u307f\u8fbc\u307f<\/p>\n
package main\r\n\r\nimport(\r\n \"fmt\"\r\n \"io\/ioutil\"\r\n \"encoding\/json\"\r\n)\r\n\r\ntype Personal struct{\r\n Name string `json:\"addr\"`\r\n Age int\r\n}\r\n\r\n\/\/\u3053\u3046\u66f8\u304f\u3068json\u306eaddr\u30ad\u30fc\u304c\u30de\u30c3\u30d4\u30f3\u30b0\u3055\u308c\u308b\r\n\r\nfunc main(){\r\n\r\n b, err := ioutil.ReadFile(\".\/data.json\")\r\n if err != nil{\r\n panic(err)\r\n }\r\n\r\n \/\/\u76f4\u63a5\u66f8\u304f\u5834\u5408\r\n \/\/b := []byte(`{ \"name\":\"taro\", \"age\":20 }`)\r\n\r\n var p Personal\r\n if err := json.Unmarshal(b, &p); err != nil{\r\n panic(err)\r\n }\r\n\r\n fmt.Println(p.Name)\r\n}<\/pre>\n\u6642\u9593<\/p>\n
package main\r\n\r\nimport(\r\n \"time\"\r\n \"math\/rand\"\r\n)\r\n\r\nfunc main(){\r\n\r\n \/\/\u65e5\u4ed8\u53d6\u5f97\r\n println(time.Now().Format(\"2006-01-02\"))\r\n\r\n \/\/UNIX\u30bf\u30a4\u30e0\r\n println(time.Now().Unix())\r\n\r\n \/\/\u4e71\u6570\r\n println(rand.Int63())\r\n\r\n \/\/\u6642\u523bSeed\r\n rand.Seed(time.Now().UnixNano())\r\n\r\n for i := 1; i <= 2; i++{\r\n \/\/63bit\r\n println(rand.Int63())\r\n \/\/n\u4ed8\u304d\u306f\u7bc4\u56f2\r\n println(rand.Intn(10))\r\n }\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"golang\u306f\u3058\u3081\u3066\u9593\u3082\u306a\u3044\u306e\u3067\u8abf\u3079\u3064\u3064\u8272\u3005\u8a66\u9a13\u4e2d \u6a19\u6e96\u5165\u529b\u304b\u3089\u65e5\u4ed8\u5224\u65ad package main import ( “bufio” “fmt” “os” “time” ) func main() { today := … <\/p>\n