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example_test.go
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// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
package url_test
import (
"encoding/json"
"fmt"
"log"
"net/url"
"strings"
)
func ExamplePathEscape() {
path := url.PathEscape("my/cool+blog&about,stuff")
fmt.Println(path)
// Output:
// my%2Fcool+blog&about%2Cstuff
}
func ExamplePathUnescape() {
escapedPath := "my%2Fcool+blog&about%2Cstuff"
path, err := url.PathUnescape(escapedPath)
if err != nil {
log.Fatal(err)
}
fmt.Println(path)
// Output:
// my/cool+blog&about,stuff
}
func ExampleQueryEscape() {
query := url.QueryEscape("my/cool+blog&about,stuff")
fmt.Println(query)
// Output:
// my%2Fcool%2Bblog%26about%2Cstuff
}
func ExampleQueryUnescape() {
escapedQuery := "my%2Fcool%2Bblog%26about%2Cstuff"
query, err := url.QueryUnescape(escapedQuery)
if err != nil {
log.Fatal(err)
}
fmt.Println(query)
// Output:
// my/cool+blog&about,stuff
}
func ExampleValues() {
v := url.Values{}
v.Set("name", "Ava")
v.Add("friend", "Jess")
v.Add("friend", "Sarah")
v.Add("friend", "Zoe")
// v.Encode() == "name=Ava&friend=Jess&friend=Sarah&friend=Zoe"
fmt.Println(v.Get("name"))
fmt.Println(v.Get("friend"))
fmt.Println(v["friend"])
// Output:
// Ava
// Jess
// [Jess Sarah Zoe]
}
func ExampleValues_Add() {
v := url.Values{}
v.Add("cat sounds", "meow")
v.Add("cat sounds", "mew")
v.Add("cat sounds", "mau")
fmt.Println(v["cat sounds"])
// Output:
// [meow mew mau]
}
func ExampleValues_Del() {
v := url.Values{}
v.Add("cat sounds", "meow")
v.Add("cat sounds", "mew")
v.Add("cat sounds", "mau")
fmt.Println(v["cat sounds"])
v.Del("cat sounds")
fmt.Println(v["cat sounds"])
// Output:
// [meow mew mau]
// []
}
func ExampleValues_Encode() {
v := url.Values{}
v.Add("cat sounds", "meow")
v.Add("cat sounds", "mew/")
v.Add("cat sounds", "mau$")
fmt.Println(v.Encode())
// Output:
// cat+sounds=meow&cat+sounds=mew%2F&cat+sounds=mau%24
}
func ExampleValues_Get() {
v := url.Values{}
v.Add("cat sounds", "meow")
v.Add("cat sounds", "mew")
v.Add("cat sounds", "mau")
fmt.Printf("%q\n", v.Get("cat sounds"))
fmt.Printf("%q\n", v.Get("dog sounds"))
// Output:
// "meow"
// ""
}
func ExampleValues_Has() {
v := url.Values{}
v.Add("cat sounds", "meow")
v.Add("cat sounds", "mew")
v.Add("cat sounds", "mau")
fmt.Println(v.Has("cat sounds"))
fmt.Println(v.Has("dog sounds"))
// Output:
// true
// false
}
func ExampleValues_Set() {
v := url.Values{}
v.Add("cat sounds", "meow")
v.Add("cat sounds", "mew")
v.Add("cat sounds", "mau")
fmt.Println(v["cat sounds"])
v.Set("cat sounds", "meow")
fmt.Println(v["cat sounds"])
// Output:
// [meow mew mau]
// [meow]
}
func ExampleURL() {
u, err := url.Parse("http://bing.com/search?q=dotnet")
if err != nil {
log.Fatal(err)
}
u.Scheme = "https"
u.Host = "google.com"
q := u.Query()
q.Set("q", "golang")
u.RawQuery = q.Encode()
fmt.Println(u)
// Output: https://google.com/search?q=golang
}
func ExampleURL_roundtrip() {
// Parse + String preserve the original encoding.
u, err := url.Parse("https://example.com/foo%2fbar")
if err != nil {
log.Fatal(err)
}
fmt.Println(u.Path)
fmt.Println(u.RawPath)
fmt.Println(u.String())
// Output:
// /foo/bar
// /foo%2fbar
// https://example.com/foo%2fbar
}
func ExampleURL_ResolveReference() {
u, err := url.Parse("../../..//search?q=dotnet")
if err != nil {
log.Fatal(err)
}
base, err := url.Parse("http://example.com/directory/")
if err != nil {
log.Fatal(err)
}
fmt.Println(base.ResolveReference(u))
// Output:
// http://example.com/search?q=dotnet
}
func ExampleParseQuery() {
m, err := url.ParseQuery(`x=1&y=2&y=3`)
if err != nil {
log.Fatal(err)
}
fmt.Println(toJSON(m))
// Output:
// {"x":["1"], "y":["2", "3"]}
}
func ExampleURL_EscapedPath() {
u, err := url.Parse("http://example.com/x/y%2Fz")
if err != nil {
log.Fatal(err)
}
fmt.Println("Path:", u.Path)
fmt.Println("RawPath:", u.RawPath)
fmt.Println("EscapedPath:", u.EscapedPath())
// Output:
// Path: /x/y/z
// RawPath: /x/y%2Fz
// EscapedPath: /x/y%2Fz
}
func ExampleURL_EscapedFragment() {
u, err := url.Parse("http://example.com/#x/y%2Fz")
if err != nil {
log.Fatal(err)
}
fmt.Println("Fragment:", u.Fragment)
fmt.Println("RawFragment:", u.RawFragment)
fmt.Println("EscapedFragment:", u.EscapedFragment())
// Output:
// Fragment: x/y/z
// RawFragment: x/y%2Fz
// EscapedFragment: x/y%2Fz
}
func ExampleURL_Hostname() {
u, err := url.Parse("https://example.org:8000/path")
if err != nil {
log.Fatal(err)
}
fmt.Println(u.Hostname())
u, err = url.Parse("https://[2001:0db8:85a3:0000:0000:8a2e:0370:7334]:17000")
if err != nil {
log.Fatal(err)
}
fmt.Println(u.Hostname())
// Output:
// example.org
// 2001:0db8:85a3:0000:0000:8a2e:0370:7334
}
func ExampleURL_IsAbs() {
u := url.URL{Host: "example.com", Path: "foo"}
fmt.Println(u.IsAbs())
u.Scheme = "http"
fmt.Println(u.IsAbs())
// Output:
// false
// true
}
func ExampleURL_MarshalBinary() {
u, _ := url.Parse("https://example.org")
b, err := u.MarshalBinary()
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s\n", b)
// Output:
// https://example.org
}
func ExampleURL_Parse() {
u, err := url.Parse("https://example.org")
if err != nil {
log.Fatal(err)
}
rel, err := u.Parse("/foo")
if err != nil {
log.Fatal(err)
}
fmt.Println(rel)
_, err = u.Parse(":foo")
if _, ok := err.(*url.Error); !ok {
log.Fatal(err)
}
// Output:
// https://example.org/foo
}
func ExampleURL_Port() {
u, err := url.Parse("https://example.org")
if err != nil {
log.Fatal(err)
}
fmt.Println(u.Port())
u, err = url.Parse("https://example.org:8080")
if err != nil {
log.Fatal(err)
}
fmt.Println(u.Port())
// Output:
//
// 8080
}
func ExampleURL_Query() {
u, err := url.Parse("https://example.org/?a=1&a=2&b=&=3&&&&")
if err != nil {
log.Fatal(err)
}
q := u.Query()
fmt.Println(q["a"])
fmt.Println(q.Get("b"))
fmt.Println(q.Get(""))
// Output:
// [1 2]
//
// 3
}
func ExampleURL_String() {
u := &url.URL{
Scheme: "https",
User: url.UserPassword("me", "pass"),
Host: "example.com",
Path: "foo/bar",
RawQuery: "x=1&y=2",
Fragment: "anchor",
}
fmt.Println(u.String())
u.Opaque = "opaque"
fmt.Println(u.String())
// Output:
// https://me:pass@example.com/foo/bar?x=1&y=2#anchor
// https:opaque?x=1&y=2#anchor
}
func ExampleURL_UnmarshalBinary() {
u := &url.URL{}
err := u.UnmarshalBinary([]byte("https://example.org/foo"))
if err != nil {
log.Fatal(err)
}
fmt.Printf("%s\n", u)
// Output:
// https://example.org/foo
}
func ExampleURL_Redacted() {
u := &url.URL{
Scheme: "https",
User: url.UserPassword("user", "password"),
Host: "example.com",
Path: "foo/bar",
}
fmt.Println(u.Redacted())
u.User = url.UserPassword("me", "newerPassword")
fmt.Println(u.Redacted())
// Output:
// https://user:xxxxx@example.com/foo/bar
// https://me:xxxxx@example.com/foo/bar
}
func ExampleURL_RequestURI() {
u, err := url.Parse("https://example.org/path?foo=bar")
if err != nil {
log.Fatal(err)
}
fmt.Println(u.RequestURI())
// Output: /path?foo=bar
}
func toJSON(m any) string {
js, err := json.Marshal(m)
if err != nil {
log.Fatal(err)
}
return strings.ReplaceAll(string(js), ",", ", ")
}