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Updated docs, fixed #78.

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Signed-off-by: Vishal Rana <vr@labstack.com>
This commit is contained in:
Vishal Rana 2015-05-21 08:55:22 -07:00
parent 1e117621e9
commit 6878bac597
3 changed files with 8 additions and 329 deletions
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329
README.md
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@ -71,331 +71,10 @@ $ go get github.com/labstack/echo
##[Examples](https://github.com/labstack/echo/tree/master/examples) ##[Examples](https://github.com/labstack/echo/tree/master/examples)
###[Hello, World!](https://github.com/labstack/echo/tree/master/examples/hello) - [Hello, World!](https://github.com/labstack/echo/tree/master/examples/hello)
- [CRUD](https://github.com/labstack/echo/tree/master/examples/crud)
```go - [Website](https://github.com/labstack/echo/tree/master/examples/website)
package main - [Middleware](https://github.com/labstack/echo/tree/master/examples/middleware)
import (
"net/http"
"github.com/labstack/echo"
mw "github.com/labstack/echo/middleware"
)
// Handler
func hello(c *echo.Context) error {
return c.String(http.StatusOK, "Hello, World!\n")
}
func main() {
// Echo instance
e := echo.New()
// Middleware
e.Use(mw.Logger())
e.Use(mw.Recover())
// Routes
e.Get("/", hello)
// Start server
e.Run(":1323")
}
```
###[CRUD](https://github.com/labstack/echo/tree/master/examples/crud)
```go
package main
import (
"net/http"
"strconv"
"github.com/labstack/echo"
mw "github.com/labstack/echo/middleware"
)
type (
user struct {
ID int
Name string
}
)
var (
users = map[int]*user{}
seq = 1
)
//----------
// Handlers
//----------
func createUser(c *echo.Context) error {
u := &user{
ID: seq,
}
if err := c.Bind(u); err != nil {
return err
}
users[u.ID] = u
seq++
return c.JSON(http.StatusCreated, u)
}
func getUser(c *echo.Context) error {
id, _ := strconv.Atoi(c.Param("id"))
return c.JSON(http.StatusOK, users[id])
}
func updateUser(c *echo.Context) error {
u := new(user)
if err := c.Bind(u); err != nil {
return err
}
id, _ := strconv.Atoi(c.Param("id"))
users[id].Name = u.Name
return c.JSON(http.StatusOK, users[id])
}
func deleteUser(c *echo.Context) error {
id, _ := strconv.Atoi(c.Param("id"))
delete(users, id)
return c.NoContent(http.StatusNoContent)
}
func main() {
e := echo.New()
// Middleware
e.Use(mw.Logger())
e.Use(mw.Recover())
// Routes
e.Post("/users", createUser)
e.Get("/users/:id", getUser)
e.Patch("/users/:id", updateUser)
e.Delete("/users/:id", deleteUser)
// Start server
e.Run(":1323")
}
```
###[Website](https://github.com/labstack/echo/tree/master/examples/website)
```go
package main
import (
"io"
"net/http"
"html/template"
"github.com/labstack/echo"
mw "github.com/labstack/echo/middleware"
"github.com/rs/cors"
"github.com/thoas/stats"
)
type (
// Template provides HTML template rendering
Template struct {
templates *template.Template
}
user struct {
ID string `json:"id"`
Name string `json:"name"`
}
)
var (
users map[string]user
)
// Render HTML
func (t *Template) Render(w io.Writer, name string, data interface{}) error {
return t.templates.ExecuteTemplate(w, name, data)
}
//----------
// Handlers
//----------
func welcome(c *echo.Context) error {
return c.Render(http.StatusOK, "welcome", "Joe")
}
func createUser(c *echo.Context) error {
u := new(user)
if err := c.Bind(u); err != nil {
return err
}
users[u.ID] = *u
return c.JSON(http.StatusCreated, u)
}
func getUsers(c *echo.Context) error {
return c.JSON(http.StatusOK, users)
}
func getUser(c *echo.Context) error {
return c.JSON(http.StatusOK, users[c.P(0)])
}
func main() {
e := echo.New()
// Middleware
e.Use(mw.Logger())
e.Use(mw.Recover())
//------------------------
// Third-party middleware
//------------------------
// https://github.com/rs/cors
e.Use(cors.Default().Handler)
// https://github.com/thoas/stats
s := stats.New()
e.Use(s.Handler)
// Route
e.Get("/stats", func(c *echo.Context) error {
return c.JSON(http.StatusOK, s.Data())
})
// Serve index file
e.Index("public/index.html")
// Serve favicon
e.Favicon("public/favicon.ico")
// Serve static files
e.Static("/scripts/", "public/scripts")
//--------
// Routes
//--------
e.Post("/users", createUser)
e.Get("/users", getUsers)
e.Get("/users/:id", getUser)
//-----------
// Templates
//-----------
t := &Template{
// Cached templates
templates: template.Must(template.ParseFiles("public/views/welcome.html")),
}
e.SetRenderer(t)
e.Get("/welcome", welcome)
//-------
// Group
//-------
// Group with parent middleware
a := e.Group("/admin")
a.Use(func(c *echo.Context) error {
// Security middleware
return nil
})
a.Get("", func(c *echo.Context) error {
return c.String(http.StatusOK, "Welcome admin!")
})
// Group with no parent middleware
g := e.Group("/files", func(c *echo.Context) error {
// Security middleware
return nil
})
g.Get("", func(c *echo.Context) error {
return c.String(http.StatusOK, "Your files!")
})
// Start server
e.Run(":1323")
}
func init() {
users = map[string]user{
"1": user{
ID: "1",
Name: "Wreck-It Ralph",
},
}
}
```
###[Middleware](https://github.com/labstack/echo/tree/master/examples/middleware)
```go
package main
import (
"net/http"
"github.com/labstack/echo"
mw "github.com/labstack/echo/middleware"
)
// Handler
func hello(c *echo.Context) error {
return c.String(http.StatusOK, "Hello, World!\n")
}
func main() {
// Echo instance
e := echo.New()
// Debug mode
e.SetDebug(true)
//------------
// Middleware
//------------
// Logger
e.Use(mw.Logger())
// Recover
e.Use(mw.Recover())
// Basic auth
e.Use(mw.BasicAuth(func(u, p string) bool {
if u == "joe" && p == "secret" {
return true
}
return false
}))
//-------
// Slash
//-------
e.Use(mw.StripTrailingSlash())
// or
// e.Use(mw.RedirectToSlash())
// Gzip
e.Use(mw.Gzip())
// Routes
e.Get("/", hello)
// Start server
e.Run(":1323")
}
```
##[Guide](http://labstack.github.io/echo/guide) ##[Guide](http://labstack.github.io/echo/guide)

6
echo.go
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@ -121,9 +121,9 @@ var (
) )
func NewHTTPError(code int, msgs ...string) *HTTPError { func NewHTTPError(code int, msgs ...string) *HTTPError {
he := &HTTPError{Code: code} he := &HTTPError{Code: code, Message: http.StatusText(code)}
if len(msgs) == 0 { for _, m := range msgs {
he.Message = http.StatusText(code) he.Message = m
} }
return he return he
} }

2
examples/website/server.go
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@ -87,7 +87,7 @@ func main() {
e.Favicon("public/favicon.ico") e.Favicon("public/favicon.ico")
// Serve static files // Serve static files
e.Static("/scripts/", "public/scripts") e.Static("/scripts", "public/scripts")
//-------- //--------
// Routes // Routes