Go语言拼接URL路径的三种方法

目录

• JoinPath
• ResolveReference
• path.Join
• 参考

Gojavascript语言拼接URL路径有多种方法建议用ResolveReference。

JoinPath

JoinPath会把多个多个路径合并成一个路径，并且处理../和./，多个//合并成单个/。

package main

import (
 "fmt"
 "net/开发者_JAVA入门url"
)

func main() {
 u1 := "http://example.com/directory/"
 u2 := "../../..//search?q=dotnet"
 u3 := "/dir1/dir2/search?q=dotnet"

 j1, _ := url.Join编程Path(u1, u2)
 j2, _ := url.JoinPath(u1, u3)
 fmt.Println(j1)
 // http://example.com/search%3Fq=dotnet
 fmt.Println(j2)
 // http://example.com/directory/dir1/dir2/search%3Fq=dotnet
}

ResolveReference

ResolveReference会处理yhXpP绝对路径和相对路径。

package main

import (
 "fmt"
 "log"
 "net/url"
)

func main() {
 u1, _ := url.Parse("../../..//search?q=dotnet")
 u2, _ := url.Parse("/dir1/dir2/search?q=dotnet")
 base, err := url.Parse("http://example.com/directory/")
 if err != nil {
  log.Fatal(err)
 }
 fmt.Println(base.ResolveReference(u1))
 // http://example.com/search?q=dotnet
 fmt.Println(base.编程ResolveReference(u2))
 // http://example.com/dir1/dir2/search?q=dotnet
}

path.Join

path主要是对斜杠放个的路径。

pandroidackage main

import (
 "fmt"
 "log"
 "net/url"
 "path"
)

func main() {
 u, err := url.Parse("http://example.com/test/")
 if err != nil {
  log.Fatal(err)
 }
 u.Path = path.Join(u.Path, "../bar.html")
 s := u.String()
 fmt.Println(s) // http://example.com/bar.html

}

参考

https://pkg.go.dev/net/url@go1.19beta1#JoinPath

http://doc.golang.ltd/pkg/net_url.htm

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