func main() {
app := iris.Default()
// Query string parameters are parsed using the existing underlying request object.
// The request responds to a url matching: /welcome?firstname=Jane&lastname=Doe
app.Get("/welcome", func(ctx iris.Context) {
firstname := ctx.URLParamDefault("firstname", "Guest")
lastname := ctx.URLParam("lastname") // shortcut for ctx.Request().URL.Query().Get("lastname")
ctx.Writef("Hello %s %s", firstname, lastname)
})
app.Listen(":8080")
} 以上代码中我们可以在http://localhost:8080/welcome后跟上query参数来修改页面数据，例如