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How Can I Load a Webpage\'s Content into a Go String?

Mary-Kate Olsen
Release: 2024-11-26 10:21:13
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How Can I Load a Webpage's Content into a Go String?

Loading Webpage Content into a String in Go

In Go, the net/http package offers a convenient way to retrieve and work with webpage content. To capture the content of a webpage as a string, follow these steps:

  1. Establish an HTTP Connection: Using the http.Get function, establish an HTTP connection to the desired webpage.
  2. Read the Response Body: The io/ioutil package provides the ReadAll function to read the contents of the HTTP response body and return it as a byte slice.
  3. Decode the Byte Slice: Convert the byte slice obtained from the response body into a string using the string function.
  4. Process the String: You now have the webpage content as a string that you can parse, modify, or process as needed using Go's powerful string manipulation capabilities.

For example, consider the following function:

func OnPage(link string) string {
    res, err := http.Get(link)
    if err != nil {
        log.Fatal(err)
    }
    content, err := io.ReadAll(res.Body)
    res.Body.Close()
    if err != nil {
        log.Fatal(err)
    }
    return string(content)
}
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This function takes a website URL as a parameter and returns the content of the webpage as a string. You can use this function to obtain and process the content from different web pages as needed.

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