Go lang中的PHP file_get_contents [重复]

I'm new to Golang. Actually I'm a PHP developer.

I need file_get_contents function in Golang.

Can you please provide code for this or suggest Golang library for my requirement.

Note: Keep in mind file-get-contents does more than just "read a file".

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I don't think there is one unique golang function as versatile as file-get-contents.php.

• For reading a all file: "How Can i read a whole file into a string variable in golang?" (yes, io/ioutil/#ReadFile)

• For reading an http page: http.Get (see this example)

  res, err := http.Get("http://www.google.com/robots.txt")
  if err != nil {
      log.Fatal(err)
  }
  robots, err := ioutil.ReadAll(res.Body)
  res.Body.Close()
  

• For reading part of a file: see "Go by Example: Reading Files"

You’ll often want more control over how and what parts of a file are read.
For these tasks, start by Opening a file to obtain an os.File value.

f, err := os.Open("/tmp/dat")
check(err)

# You can also Seek to a known location in the file and Read from there.

o2, err := f.Seek(6, 0)
check(err)
b2 := make([]byte, 2)
n2, err := f.Read(b2)
check(err)
fmt.Printf("%d bytes @ %d: %s
", n2, o2, string(b2))