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Add notes for the new lead maintainer of the open-source iris project and align with @get-ion/ion by @hiveminded
Former-commit-id: da4f38eb9034daa49446df3ee529423b98f9b331
This commit is contained in:
kataras
1
_examples/http_request/README.md
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_examples/http_request/README.md
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The `context.Request()` returns the same *http.Request you already know, the examples show some places where the Context uses this object. Besides that you can use it as you did before iris.
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41
_examples/http_request/read-form/main.go
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_examples/http_request/read-form/main.go
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// package main contains an example on how to use the ReadForm, but with the same way you can do the ReadJSON & ReadJSON
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package main
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import (
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"github.com/kataras/iris"
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"github.com/kataras/iris/context"
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"github.com/kataras/iris/view"
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)
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type Visitor struct {
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Username string
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Mail string
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Data []string `form:"mydata"`
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}
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func main() {
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app := iris.New()
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// set the view html template engine
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app.RegisterView(view.HTML("./templates", ".html").Reload(true))
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app.Get("/", func(ctx context.Context) {
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if err := ctx.View("form.html"); err != nil {
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ctx.StatusCode(iris.StatusInternalServerError)
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ctx.WriteString(err.Error())
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}
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})
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app.Post("/form_action", func(ctx context.Context) {
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visitor := Visitor{}
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err := ctx.ReadForm(&visitor)
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if err != nil {
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ctx.StatusCode(iris.StatusInternalServerError)
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ctx.WriteString(err.Error())
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}
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ctx.Writef("Visitor: %#v", visitor)
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})
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app.Run(iris.Addr(":8080"))
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}
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22
_examples/http_request/read-form/templates/form.html
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_examples/http_request/read-form/templates/form.html
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<!DOCTYPE html>
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<head>
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<meta charset="utf-8">
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</head>
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<body>
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<form action="/form_action" method="post">
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Username: <input type="text" name="Username" /> <br />
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Mail: <input type="text" name="Mail" /> <br />
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Select one or more: <br/>
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<select multiple="multiple" name="mydata">
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<option value='one'>One</option>
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<option value='two'>Two</option>
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<option value='three'>Three</option>
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<option value='four'>Four</option>
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</select>
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<hr />
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<input type="submit" value="Send data" />
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</form>
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</body>
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</html>
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44
_examples/http_request/read-json/main.go
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_examples/http_request/read-json/main.go
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package main
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import (
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"github.com/kataras/iris"
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"github.com/kataras/iris/context"
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)
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type Company struct {
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Name string
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City string
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Other string
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}
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func MyHandler(ctx context.Context) {
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c := &Company{}
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if err := ctx.ReadJSON(c); err != nil {
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ctx.StatusCode(iris.StatusBadRequest)
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ctx.WriteString(err.Error())
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return
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}
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ctx.Writef("Received: %#v\n", c)
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}
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func main() {
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app := iris.New()
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app.Post("/", MyHandler)
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// use Postman or whatever to do a POST request
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// to the http://localhost:8080 with RAW BODY:
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/*
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{
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"Name": "iris-Go",
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"City": "New York",
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"Other": "Something here"
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}
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*/
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// and Content-Type to application/json
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//
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// The response should be:
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// Received: &main.Company{Name:"iris-Go", City:"New York", Other:"Something here"}
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app.Run(iris.Addr(":8080"))
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}
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52
_examples/http_request/request-logger/main.go
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_examples/http_request/request-logger/main.go
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package main
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import (
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"github.com/kataras/iris"
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"github.com/kataras/iris/context"
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"github.com/kataras/iris/middleware/logger"
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)
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func main() {
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app := iris.New()
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customLogger := logger.New(logger.Config{
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// Status displays status code
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Status: true,
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// IP displays request's remote address
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IP: true,
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// Method displays the http method
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Method: true,
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// Path displays the request path
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Path: true,
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})
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app.Use(customLogger)
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app.Get("/", func(ctx context.Context) {
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ctx.Writef("hello")
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})
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app.Get("/1", func(ctx context.Context) {
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ctx.Writef("hello")
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})
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app.Get("/2", func(ctx context.Context) {
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ctx.Writef("hello")
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})
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// log http errors should be done manually
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errorLogger := logger.New()
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app.OnErrorCode(iris.StatusNotFound, func(ctx context.Context) {
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errorLogger(ctx)
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ctx.Writef("My Custom 404 error page ")
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})
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// http://localhost:8080
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// http://localhost:8080/1
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// http://localhost:8080/2
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// http://lcoalhost:8080/notfoundhere
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// see the output on the console.
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app.Run(iris.Addr(":8080"))
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}
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70
_examples/http_request/upload-files/main.go
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_examples/http_request/upload-files/main.go
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package main
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import (
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"crypto/md5"
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"fmt"
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"io"
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"os"
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"strconv"
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"time"
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"github.com/kataras/iris"
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"github.com/kataras/iris/context"
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"github.com/kataras/iris/view"
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)
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func main() {
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app := iris.New()
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app.RegisterView(view.HTML("./templates", ".html"))
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// Serve the form.html to the user
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app.Get("/upload", func(ctx context.Context) {
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//create a token (optionally)
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now := time.Now().Unix()
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h := md5.New()
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io.WriteString(h, strconv.FormatInt(now, 10))
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token := fmt.Sprintf("%x", h.Sum(nil))
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// render the form with the token for any use you like
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ctx.ViewData("", token)
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ctx.View("upload_form.html")
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})
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// Handle the post request from the upload_form.html to the server
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app.Post("/upload", context.LimitRequestBodySize(10<<20),
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func(ctx context.Context) {
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// or use ctx.SetMaxRequestBodySize(10 << 20)
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//to limit the uploaded file(s) size.
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// Get the file from the request
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file, info, err := ctx.FormFile("uploadfile")
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if err != nil {
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ctx.StatusCode(iris.StatusInternalServerError)
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ctx.HTML("Error while uploading: <b>" + err.Error() + "</b>")
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return
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}
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defer file.Close()
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fname := info.Filename
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// Create a file with the same name
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// assuming that you have a folder named 'uploads'
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out, err := os.OpenFile("./uploads/"+fname,
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os.O_WRONLY|os.O_CREATE, 0666)
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if err != nil {
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ctx.StatusCode(iris.StatusInternalServerError)
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ctx.HTML("Error while uploading: <b>" + err.Error() + "</b>")
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return
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}
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defer out.Close()
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io.Copy(out, file)
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})
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// start the server at http://localhost:8080
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app.Run(iris.Addr(":8080"))
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}
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@@ -0,0 +1,12 @@
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<html>
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<head>
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<title>Upload file</title>
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</head>
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<body>
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<form enctype="multipart/form-data"
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action="http://127.0.0.1:8080/upload" method="post">
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<input type="file" name="uploadfile" /> <input type="hidden"
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name="token" value="{{.}}" /> <input type="submit" value="upload" />
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</form>
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</body>
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</html>
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