golang microservices example

Main.gopackage mainimport ("FMT")//Note://?channel does not need to be shut down as often as a file. Only if you really don't have any data to send, or do you want to explicitly end the range loop or something like this before you close channel;//? After the channel is closed, data cannot be sent to the channel (resulting in a panic error that causes the receive to immediately return a value of 0);/? After the channel is closed, the data can continue to be received from the channel;//for nil ch

! = Nil {panic (err)}var msg messageerr = json. Unmarshal (body, msg) if err! = Nil {panic (err)}strtime: = time. Unix (Msg. Time, 0). Format ("2006-01-02 15:04:05") fmt. Println ("Dept:", Msg. Dept) fmt. Println ("Subject:", Msg. Subject) fmt. Println ("Time:", Strtime, "\ n", Msg.) Detail)}/*//Run Result: dept:itsubject:kpitime:2015-02-28 16:43:11 [{map[c:60 x:50]} {$ map[d:20 l:11]}]*/As you can see from the running results, the relevant JSON information is correctly obtained.MAIL: [Email pro

The program can be used to perform some tasks on a regular basis, and it can also do the appropriate warning and cleanup when the force is interrupted by the semaphore processing.Package main//semaphore and timer//author:xiong Chuan liang//date:2015-2-25import "FMT" import "OS" import "os/signal" import "Time" Func Main () {sigs: = Make (chan os. Signal, 1) Done: = Make (chan bool, 1) Signal. Notify (sigs, OS. Interrupt, OS. Kill) go func () {sig: = If you press CTRL-C, the result is as follows:

"Transfer from http://www.01happy.com/golang-http-client-get-and-post/"GET requestGet requests can be directly HTTP. The Get method is very simple. 1234567891011121314 func httpGet() {resp, err := http.Get("http://www.01happy.com/demo/accept.php?id=1")if err != nil {// handle error}defer resp.Body.Close()body, err := ioutil.ReadAll(resp.Body)if err != nil {// handle error}fmt.Println(string(body))} One of the post requests is

This example describes how Golang uses the sort interface to implement sorting. Share to everyone for your reference, specific as follows: See the group today to discuss sorted sort again. The realization of interface, there are children's shoes have been uncertain, I started a bit, oh yes, the code is here. Actually very simple sort. Interface three ways to implement these three methods for your own stru

The example in this article describes the Golang method for implementing HTTP server processing static files. Share to everyone for your reference, specific as follows: The new version is more streamlined: Copy Code code as follows: Package Main Import ( "Flag" "Log" "Net/http" "OS" "IO" "Path" "StrConv" ) var dir string var Port int var Statichandler http. Handler Initialization pa

This is a creation in Article, where the information may have evolved or changed. Golang mongodb MgO Insert, query a small example, Golang still give me that feeling, than Nodejs write up comfortable. Package main import ("FMT" "Launchpad.net/mgo" "Launchpad.net/mgo/bson") type Mail struct {Id Bson. ObjectId "_id" Name string Email String} func Main () {//Connect

The example in this article describes the use of Golang templates template custom functions. Share to everyone for your reference, specific as follows: The Golang template is very powerful, and the UNIX pipe style function calls are very much like. There are a number of built-in templates that can be used to refer to the PKG document You can also implement cus

An example of this article describes the HTTP Basic authentication mechanism of Golang. Share to everyone for your reference, specific as follows: Read the Request Response Process: Copy Code code as follows: ==> Get/hello http/1.1 host:127.0.0.1:12345 http/1.1 401 Unauthorized Www-authenticate:basic realm= "Dotcoo User Login" ==> Get/hello http/1.1 host:127.0.0.1:12345 Auth

Package Mainimport ("FMT" "Log" "Net/http" "strings") Func Sayhelloname (w http. Responsewriter, R *http. Request) {r.parseform () fmt. Println (R.form) fmt. PRINTLN ("Path", R.url. Path) fmt. PRINTLN ("scheme", R.url. Scheme) fmt. Println (r.form["Url_long"]) for k, V: = Range R.form {fmt. Println ("Key:", K) fmt. Println ("Val:", Strings. Join (V, ""))}fmt. fprintf (W, "Hello world!")} Func main () {http. Handlefunc ("/", sayhelloname) Err: = http. Listenandserve (": 8080", nil) if err! = Nil

Gopath\src\day\day.goPackage DayType DayUINTConst(Sunday Day=Iota Monday Tuseday Wednesday Thursday Friday Saturday) func (day) String ()string { SwitchDay { CaseSunday:return "Sunday" CaseMonday:return "Monday" CaseTuseday:return "Tuesday" CaseWednesday:return "Wednesday" CaseFriday:return "Friday" CaseSaturday:return "Saturday" default: return "Invalid" }}Main.goPackage Mainimport"FMT"Import" Day"Func Main () {vartoday day. Day Today=Day . Sunday Tomorrow:=D

Golang to request a remote Web page, it can be implemented using the method provided by the client in the Net/http package. See the official website There are some examples, there are not too comprehensive examples, so I tidied up a bit.GET requestGet requests can be directly HTTP. The Get method is very simple. 1234567891011121314 func httpGet() {resp, err := http.Get("http://www.01happy.com/demo/accept.php?id=1")if err != nil {// ha

The example in this article describes the Golang simple TLS protocol usage. Share to everyone for your reference, specific as follows: Generate private key: OpenSSL genrsa-out Key.pem 2048 To generate a certificate: OpenSSL req-new-x509-key key.pem-out cert.pem-days 3650 Https Copy Code code as follows: Package Main Import ( "IO" "Net/http" "Log" ) Fu