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October 22, 2021 10:42
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package main | |
import ( | |
"fmt" | |
"log" | |
"net/http" | |
"os" | |
"strconv" | |
) | |
func Hello(w http.ResponseWriter, r *http.Request) { | |
w.Header().Set("Content-Type", "application/json; charset=utf-8") | |
fmt.Fprintf(w, `{"message": "hello"}`) | |
} | |
func main() { | |
port := 8888 | |
if v, err := strconv.Atoi(os.Getenv("PORT")); err == nil { | |
port = v | |
} | |
log.Print("listen ...", port) | |
handler := http.HandlerFunc(Hello) | |
addr := fmt.Sprintf(":%d", port) | |
if err := http.ListenAndServe(addr, handler); err != nil { | |
log.Fatalf("!! %+v", err) | |
} | |
} |
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package main | |
import ( | |
"fmt" | |
"log" | |
"net/http" | |
"os" | |
"strconv" | |
) | |
func NewGreeting(message string) http.HandlerFunc { | |
return func(w http.ResponseWriter, r *http.Request) { | |
w.Header().Set("Content-Type", "application/json; charset=utf-8") | |
fmt.Fprintf(w, `{"message": %q}`, message) | |
} | |
} | |
func main() { | |
port := 8888 | |
if v, err := strconv.Atoi(os.Getenv("PORT")); err == nil { | |
port = v | |
} | |
log.Print("listen ...", port) | |
mux := new(http.ServeMux) | |
mux.Handle("/hello", NewGreeting("hello")) | |
mux.Handle("/byebye", NewGreeting("byebye")) | |
addr := fmt.Sprintf(":%d", port) | |
if err := http.ListenAndServe(addr, mux); err != nil { | |
log.Fatalf("!! %+v", err) | |
} | |
} |
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package main | |
import ( | |
"context" | |
"fmt" | |
"log" | |
"net/http" | |
"os" | |
"strconv" | |
"github.com/go-chi/chi/v5" | |
"github.com/go-chi/chi/v5/middleware" | |
"github.com/go-chi/render" | |
) | |
type Article struct { | |
Title string `json:"title"` | |
} | |
var articles = map[string]*Article{ | |
"1": {Title: "hello"}, | |
"2": {Title: "byebye"}, | |
} | |
func ListArticle(w http.ResponseWriter, r *http.Request) { | |
result := make([]*Article, 0, len(articles)) | |
for _, ob := range articles { | |
result = append(result, ob) | |
} | |
render.JSON(w, r, result) | |
} | |
func GetArticle(w http.ResponseWriter, r *http.Request) { | |
articleID := chi.URLParam(r, "articleId") | |
ob, ok := articles[articleID] | |
if !ok { | |
// go-chi/renderを使わない場合には w.WriteHeader()を使う | |
r := r.WithContext(context.WithValue(r.Context(), render.StatusCtxKey, http.StatusNotFound)) | |
render.JSON(w, r, map[string]string{"message": "not found"}) | |
return | |
} | |
render.JSON(w, r, ob) | |
} | |
func main() { | |
port := 8888 | |
if v, err := strconv.Atoi(os.Getenv("PORT")); err == nil { | |
port = v | |
} | |
log.Print("listen ...", port) | |
r := chi.NewRouter() | |
r.Use(middleware.Logger) | |
r.Get("/articles", ListArticle) | |
r.Get("/articles/{articleId}", GetArticle) | |
r.NotFound(func(w http.ResponseWriter, r *http.Request) { | |
r = r.WithContext(context.WithValue(r.Context(), render.StatusCtxKey, http.StatusNotFound)) | |
render.JSON(w, r, map[string]string{"message": http.StatusText(http.StatusNotFound)}) | |
}) | |
addr := fmt.Sprintf(":%d", port) | |
if err := http.ListenAndServe(addr, r); err != nil { | |
log.Fatalf("!! %+v", err) | |
} | |
} |
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package main | |
import ( | |
"fmt" | |
"log" | |
"net/http" | |
"os" | |
"strconv" | |
"github.com/labstack/echo/v4" | |
"github.com/labstack/echo/v4/middleware" | |
) | |
type Article struct { | |
Title string `json:"title"` | |
} | |
var articles = map[int64]*Article{ | |
1: {Title: "hello"}, | |
2: {Title: "byebye"}, | |
} | |
func ListArticle(c echo.Context) error { | |
result := make([]*Article, 0, len(articles)) | |
for _, ob := range articles { | |
result = append(result, ob) | |
} | |
return c.JSON(http.StatusOK, result) | |
} | |
type GetArticleInput struct { | |
ID int64 `param:"articleId"` | |
} | |
func GetArticle(c echo.Context) error { | |
var input GetArticleInput | |
if err := c.Bind(&input); err != nil { | |
return err | |
} | |
ob, ok := articles[input.ID] | |
if !ok { | |
return c.JSON(http.StatusOK, map[string]string{"message": "not found"}) | |
} | |
return c.JSON(http.StatusOK, ob) | |
} | |
func main() { | |
port := 8888 | |
if v, err := strconv.Atoi(os.Getenv("PORT")); err == nil { | |
port = v | |
} | |
log.Print("listen ...", port) | |
// Echo instance | |
e := echo.New() | |
// Middleware | |
e.Use(middleware.Logger()) | |
e.Use(middleware.Recover()) | |
// Routes | |
e.GET("/articles", ListArticle) | |
e.GET("/articles/:articleId", GetArticle) | |
// Start server | |
addr := fmt.Sprintf(":%d", port) | |
if err := e.Start(addr); err != nil { | |
e.Logger.Fatalf("!! %+v", err) | |
} | |
} |
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module m | |
go 1.16 | |
require ( | |
github.com/go-chi/chi/v5 v5.0.4 | |
github.com/go-chi/render v1.0.1 | |
github.com/labstack/echo/v4 v4.6.1 | |
) |
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github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= | |
github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= | |
github.com/go-chi/chi/v5 v5.0.4 h1:5e494iHzsYBiyXQAHHuI4tyJS9M3V84OuX3ufIIGHFo= | |
github.com/go-chi/chi/v5 v5.0.4/go.mod h1:DslCQbL2OYiznFReuXYUmQ2hGd1aDpCnlMNITLSKoi8= | |
github.com/go-chi/render v1.0.1 h1:4/5tis2cKaNdnv9zFLfXzcquC9HbeZgCnxGnKrltBS8= | |
github.com/go-chi/render v1.0.1/go.mod h1:pq4Rr7HbnsdaeHagklXub+p6Wd16Af5l9koip1OvJns= | |
github.com/golang-jwt/jwt v3.2.2+incompatible h1:IfV12K8xAKAnZqdXVzCZ+TOjboZ2keLg81eXfW3O+oY= | |
github.com/golang-jwt/jwt v3.2.2+incompatible/go.mod h1:8pz2t5EyA70fFQQSrl6XZXzqecmYZeUEB8OUGHkxJ+I= | |
github.com/labstack/echo/v4 v4.6.1 h1:OMVsrnNFzYlGSdaiYGHbgWQnr+JM7NG+B9suCPie14M= | |
github.com/labstack/echo/v4 v4.6.1/go.mod h1:RnjgMWNDB9g/HucVWhQYNQP9PvbYf6adqftqryo7s9k= | |
github.com/labstack/gommon v0.3.0 h1:JEeO0bvc78PKdyHxloTKiF8BD5iGrH8T6MSeGvSgob0= | |
github.com/labstack/gommon v0.3.0/go.mod h1:MULnywXg0yavhxWKc+lOruYdAhDwPK9wf0OL7NoOu+k= | |
github.com/mattn/go-colorable v0.1.2/go.mod h1:U0ppj6V5qS13XJ6of8GYAs25YV2eR4EVcfRqFIhoBtE= | |
github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ0s8= | |
github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc= | |
github.com/mattn/go-isatty v0.0.8/go.mod h1:Iq45c/XA43vh69/j3iqttzPXn0bhXyGjM0Hdxcsrc5s= | |
github.com/mattn/go-isatty v0.0.9/go.mod h1:YNRxwqDuOph6SZLI9vUUz6OYw3QyUt7WiY2yME+cCiQ= | |
github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU= | |
github.com/mattn/go-isatty v0.0.14 h1:yVuAays6BHfxijgZPzw+3Zlu5yQgKGP2/hcQbHb7S9Y= | |
github.com/mattn/go-isatty v0.0.14/go.mod h1:7GGIvUiUoEMVVmxf/4nioHXj79iQHKdU27kJ6hsGG94= | |
github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM= | |
github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4= | |
github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME= | |
github.com/stretchr/testify v1.4.0 h1:2E4SXV/wtOkTonXsotYi4li6zVWxYlZuYNCXe9XRJyk= | |
github.com/stretchr/testify v1.4.0/go.mod h1:j7eGeouHqKxXV5pUuKE4zz7dFj8WfuZ+81PSLYec5m4= | |
github.com/valyala/bytebufferpool v1.0.0 h1:GqA5TC/0021Y/b9FG4Oi9Mr3q7XYx6KllzawFIhcdPw= | |
github.com/valyala/bytebufferpool v1.0.0/go.mod h1:6bBcMArwyJ5K/AmCkWv1jt77kVWyCJ6HpOuEn7z0Csc= | |
github.com/valyala/fasttemplate v1.0.1/go.mod h1:UQGH1tvbgY+Nz5t2n7tXsz52dQxojPUpymEIMZ47gx8= | |
github.com/valyala/fasttemplate v1.2.1 h1:TVEnxayobAdVkhQfrfes2IzOB6o+z4roRkPF52WA1u4= | |
github.com/valyala/fasttemplate v1.2.1/go.mod h1:KHLXt3tVN2HBp8eijSv/kGJopbvo7S+qRAEEKiv+SiQ= | |
golang.org/x/crypto v0.0.0-20210817164053-32db794688a5 h1:HWj/xjIHfjYU5nVXpTM0s39J9CbLn7Cc5a7IC5rwsMQ= | |
golang.org/x/crypto v0.0.0-20210817164053-32db794688a5/go.mod h1:GvvjBRRGRdwPK5ydBHafDWAxML/pGHZbMvKqRZ5+Abc= | |
golang.org/x/net v0.0.0-20210226172049-e18ecbb05110/go.mod h1:m0MpNAwzfU5UDzcl9v0D8zg8gWTRqZa9RBIspLL5mdg= | |
golang.org/x/net v0.0.0-20210913180222-943fd674d43e h1:+b/22bPvDYt4NPDcy4xAGCmON713ONAWFeY3Z7I3tR8= | |
golang.org/x/net v0.0.0-20210913180222-943fd674d43e/go.mod h1:9nx3DQGgdP8bBQD5qxJ1jj9UTztislL4KSBs9R2vV5Y= | |
golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY= | |
golang.org/x/sys v0.0.0-20190813064441-fde4db37ae7a/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | |
golang.org/x/sys v0.0.0-20200116001909-b77594299b42/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | |
golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | |
golang.org/x/sys v0.0.0-20201119102817-f84b799fce68/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | |
golang.org/x/sys v0.0.0-20210423082822-04245dca01da/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs= | |
golang.org/x/sys v0.0.0-20210615035016-665e8c7367d1/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= | |
golang.org/x/sys v0.0.0-20210630005230-0f9fa26af87c/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= | |
golang.org/x/sys v0.0.0-20210910150752-751e447fb3d0 h1:xrCZDmdtoloIiooiA9q0OQb9r8HejIHYoHGhGCe1pGg= | |
golang.org/x/sys v0.0.0-20210910150752-751e447fb3d0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg= | |
golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo= | |
golang.org/x/text v0.3.3/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= | |
golang.org/x/text v0.3.6/go.mod h1:5Zoc/QRtKVWzQhOtBMvqHzDpF6irO9z98xDceosuGiQ= | |
golang.org/x/text v0.3.7 h1:olpwvP2KacW1ZWvsR7uQhoyTYvKAupfQrRGBFM352Gk= | |
golang.org/x/text v0.3.7/go.mod h1:u+2+/6zg+i71rQMx5EYifcz6MCKuco9NR6JIITiCfzQ= | |
golang.org/x/time v0.0.0-20201208040808-7e3f01d25324 h1:Hir2P/De0WpUhtrKGGjvSb2YxUgyZ7EFOSLIcSSpiwE= | |
golang.org/x/time v0.0.0-20201208040808-7e3f01d25324/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ= | |
golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= | |
gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= | |
gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw= | |
gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= |
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