83 lines
1.9 KiB
Go
83 lines
1.9 KiB
Go
package goquery_test
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import (
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"fmt"
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"log"
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"net/http"
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"os"
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"strings"
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"github.com/PuerkitoBio/goquery"
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)
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// This example scrapes the reviews shown on the home page of metalsucks.net.
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func Example() {
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// Request the HTML page.
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res, err := http.Get("http://metalsucks.net")
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if err != nil {
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log.Fatal(err)
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}
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defer res.Body.Close()
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if res.StatusCode != 200 {
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log.Fatalf("status code error: %d %s", res.StatusCode, res.Status)
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}
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// Load the HTML document
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doc, err := goquery.NewDocumentFromReader(res.Body)
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if err != nil {
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log.Fatal(err)
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}
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// Find the review items
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doc.Find(".sidebar-reviews article .content-block").Each(func(i int, s *goquery.Selection) {
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// For each item found, get the band and title
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band := s.Find("a").Text()
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title := s.Find("i").Text()
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fmt.Printf("Review %d: %s - %s\n", i, band, title)
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})
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// To see the output of the Example while running the test suite (go test), simply
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// remove the leading "x" before Output on the next line. This will cause the
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// example to fail (all the "real" tests should pass).
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// xOutput: voluntarily fail the Example output.
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}
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// This example shows how to use NewDocumentFromReader from a file.
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func ExampleNewDocumentFromReader_file() {
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// create from a file
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f, err := os.Open("some/file.html")
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if err != nil {
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log.Fatal(err)
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}
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defer f.Close()
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doc, err := goquery.NewDocumentFromReader(f)
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if err != nil {
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log.Fatal(err)
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}
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// use the goquery document...
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_ = doc.Find("h1")
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}
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// This example shows how to use NewDocumentFromReader from a string.
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func ExampleNewDocumentFromReader_string() {
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// create from a string
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data := `
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<html>
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<head>
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<title>My document</title>
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</head>
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<body>
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<h1>Header</h1>
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</body>
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</html>`
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doc, err := goquery.NewDocumentFromReader(strings.NewReader(data))
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if err != nil {
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log.Fatal(err)
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}
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header := doc.Find("h1").Text()
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fmt.Println(header)
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// Output: Header
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}
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