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August 1, 2024 19:36
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Example of server side DataTables usage
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package main | |
import ( | |
"encoding/json" | |
"fmt" | |
"net/http" | |
) | |
templ page() { | |
<!DOCTYPE html> | |
<html> | |
<head> | |
<title>Page</title> | |
<script src="https://code.jquery.com/jquery-3.7.1.min.js" integrity="sha256-/JqT3SQfawRcv/BIHPThkBvs0OEvtFFmqPF/lYI/Cxo=" crossorigin="anonymous"></script> | |
<script src="https://cdn.datatables.net/2.1.3/js/dataTables.min.js"></script> | |
<link rel="stylesheet" href="https://cdn.datatables.net/2.1.3/css/dataTables.dataTables.min.css"/> | |
</head> | |
<body> | |
<table id="table123"></table> | |
<script> | |
$("#table123").DataTable({ | |
serverSide: true, | |
ajax: "/data", | |
columns: [ | |
{ data: 'name' }, | |
{ data: 'position' }, | |
{ data: 'office' }, | |
{ data: 'extn' }, | |
{ data: 'startDate' }, | |
{ data: 'salary' }, | |
], | |
}); | |
</script> | |
</body> | |
</html> | |
} | |
func main() { | |
http.HandleFunc("/", func(w http.ResponseWriter, r *http.Request) { | |
templ.Handler(page()).ServeHTTP(w, r) | |
}) | |
http.HandleFunc("/data", func(w http.ResponseWriter, r *http.Request) { | |
data, err := getData() | |
if err != nil { | |
//TODO: Log the error. | |
http.Error(w, "failed to get data", http.StatusInternalServerError) | |
} | |
resp := DataTablesResponse{ | |
Draw: 1, | |
RecordsTotal: len(data), | |
RecordsFiltered: len(data), | |
Data: data, | |
} | |
json.NewEncoder(w).Encode(resp) | |
}) | |
fmt.Println("Listening on localhost:8080") | |
http.ListenAndServe("localhost:8080", nil) | |
} | |
func getData() (data []Row, err error) { | |
data = []Row{ | |
{ | |
RowID: "row_1", | |
RowData: RowData{PKey: 1}, | |
Name: "Tiger Nixon", | |
Position: "System Architect", | |
Office: "Edinburgh", | |
Extn: "5421", | |
StartDate: "2011-04-25", | |
Salary: "$320,800", | |
}, | |
{ | |
RowID: "row_2", | |
RowData: RowData{PKey: 2}, | |
Name: "Garrett Winters", | |
Position: "Accountant", | |
Office: "Tokyo", | |
Extn: "8422", | |
StartDate: "2011-07-25", | |
Salary: "$170,750", | |
}, | |
} | |
return data, nil | |
} | |
type DataTablesResponse struct { | |
Draw int `json:"draw"` | |
RecordsTotal int `json:"recordsTotal"` | |
RecordsFiltered int `json:"recordsFiltered"` | |
Data []Row `json:"data"` | |
} | |
type RowData struct { | |
PKey int `json:"pkey"` | |
} | |
type Row struct { | |
RowID string `json:"DT_RowId"` | |
RowData RowData `json:"DT_RowData"` | |
Name string `json:"name"` | |
Position string `json:"position"` | |
Office string `json:"office"` | |
Extn string `json:"extn"` | |
StartDate string `json:"startDate"` | |
Salary string `json:"salary"` | |
} |
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