Golang HTML中继器

Question

I am trying to create an HTML template that includes a table. Each row in the table should represent a struct I have and include values from that struct.

The only relevant reference I found is this: golang template - how to render templates?

The difference is that I don't know in advance the number of rows in the table, so I need to be able to loop through a dyanmic list of structs I have, and for each such struct populate its values into a template representing a row and add that row to the parent template representing the table.

Can anyone show me how this can be done? Any other approach is also welcome.

Answer 1

I think you're just looking for {{range}}, right? E.g.

package main

import "log"
import "os"
import "html/template"

type Highscore struct {
    Name  string
    Score int
}

func main() {
    const tpl = `<ol>
{{range .}}
    <li>{{.Name}} - {{.Score}}</li>
{{end}}
</ol>
`
    scores := []Highscore{
        Highscore{"Steve", 50},
        Highscore{"Jim", 40},
    }

    scoreTemplate, err := template.New("scores").Parse(tpl)
    if err != nil {
        log.Fatal(err)
    }

    err = scoreTemplate.Execute(os.Stdout, scores)
    if err != nil {
        log.Fatal(err)
    }
}