1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
|
package csvutil_test
import (
"bytes"
"encoding/csv"
"fmt"
"io"
"log"
"github.com/jszwec/csvutil"
)
type User struct {
ID int
Name string
Age int `csv:",omitempty"`
State int `csv:"-"`
City string
ZIP string `csv:"zip_code"`
}
var userHeader []string
func init() {
h, err := csvutil.Header(User{}, "csv")
if err != nil {
log.Fatal(err)
}
userHeader = h
}
func ExampleDecoder_decodingDataWithNoHeader() {
data := []byte(`
1,John,27,la,90005
2,Bob,,ny,10005`)
r := csv.NewReader(bytes.NewReader(data))
dec, err := csvutil.NewDecoder(r, userHeader...)
if err != nil {
log.Fatal(err)
}
var users []User
for {
var u User
if err := dec.Decode(&u); err == io.EOF {
break
} else if err != nil {
log.Fatal(err)
}
users = append(users, u)
}
fmt.Printf("%+v", users)
// Output:
// [{ID:1 Name:John Age:27 State:0 City:la ZIP:90005} {ID:2 Name:Bob Age:0 State:0 City:ny ZIP:10005}]
}
|
