mirror of
				https://github.com/golang/go.git
				synced 2025-11-04 02:30:57 +00:00 
			
		
		
		
	
		
			
				
	
	
		
			54 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			54 lines
		
	
	
	
		
			1.1 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
// Copyright 2011 The Go Authors. All rights reserved.
 | 
						|
// Use of this source code is governed by a BSD-style
 | 
						|
// license that can be found in the LICENSE file.
 | 
						|
 | 
						|
// This file contains the code snippets included in "Error Handling and Go."
 | 
						|
 | 
						|
package main
 | 
						|
 | 
						|
import (
 | 
						|
	"net/http"
 | 
						|
	"text/template"
 | 
						|
)
 | 
						|
 | 
						|
func init() {
 | 
						|
	http.HandleFunc("/view", viewRecord)
 | 
						|
}
 | 
						|
 | 
						|
func viewRecord(w http.ResponseWriter, r *http.Request) {
 | 
						|
	c := appengine.NewContext(r)
 | 
						|
	key := datastore.NewKey(c, "Record", r.FormValue("id"), 0, nil)
 | 
						|
	record := new(Record)
 | 
						|
	if err := datastore.Get(c, key, record); err != nil {
 | 
						|
		http.Error(w, err.Error(), 500)
 | 
						|
		return
 | 
						|
	}
 | 
						|
	if err := viewTemplate.Execute(w, record); err != nil {
 | 
						|
		http.Error(w, err.Error(), 500)
 | 
						|
	}
 | 
						|
}
 | 
						|
 | 
						|
// STOP OMIT
 | 
						|
 | 
						|
type ap struct{}
 | 
						|
 | 
						|
func (ap) NewContext(*http.Request) *ctx { return nil }
 | 
						|
 | 
						|
type ctx struct{}
 | 
						|
 | 
						|
func (*ctx) Errorf(string, ...interface{}) {}
 | 
						|
 | 
						|
var appengine ap
 | 
						|
 | 
						|
type ds struct{}
 | 
						|
 | 
						|
func (ds) NewKey(*ctx, string, string, int, *int) string { return "" }
 | 
						|
func (ds) Get(*ctx, string, *Record) error               { return nil }
 | 
						|
 | 
						|
var datastore ds
 | 
						|
 | 
						|
type Record struct{}
 | 
						|
 | 
						|
var viewTemplate *template.Template
 | 
						|
 | 
						|
func main() {}
 |