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simple.go
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simple.go
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package main
import (
"fmt"
"log"
"os"
"github.com/lunny/xorm"
"github.com/lunny/xweb"
_ "github.com/mattn/go-sqlite3"
)
type MainAction struct {
*xweb.Action
root xweb.Mapper `xweb:"GET /"`
list xweb.Mapper `xweb:"GET /list"`
login xweb.Mapper
logout xweb.Mapper
add xweb.Mapper `xweb:"GET|POST /add"`
del xweb.Mapper `xweb:"GET /delete"`
edit xweb.Mapper `xweb:"/edit"`
Id int64
User User
}
type User struct {
Id int64
Name string
Passwd string
}
var (
engine *xorm.Engine
)
var su *User = &User{}
func init() {
var err error
engine, err = xorm.NewEngine("sqlite3", "./data.db")
if err != nil {
fmt.Println(err)
return
}
engine.ShowSQL = true
err = engine.CreateTables(su)
if err != nil {
fmt.Println(err)
} else {
cnt, err := engine.Count(su)
if err != nil {
fmt.Println(err)
} else if cnt == 0 {
user := User{1, "admin", "123"}
_, err := engine.Insert(&user)
if err != nil {
fmt.Println(err)
} else {
fmt.Println("Init db successfully!")
}
}
}
}
func (c *MainAction) Root() {
c.Go("login")
}
func (c *MainAction) IsLogin() bool {
s := c.GetSession("userId")
return s != nil
}
func (c *MainAction) Logout() {
c.DelSession("userId")
c.Go("root")
}
func (c *MainAction) List() error {
users := make([]User, 0)
err := engine.Find(&users)
if err == nil {
err = c.Render("list.html", &xweb.T{
"Users": &users,
})
}
return err
}
func (c *MainAction) Login() {
if c.Method() == "GET" {
c.Render("login.html")
} else if c.Method() == "POST" {
if c.User.Name == "" || c.User.Passwd == "" {
c.Go("login")
return
}
has, err := engine.Get(&c.User)
if err == nil && has {
if has {
c.SetSession("userId", c.User.Id)
c.Go("list")
} else {
c.Write("No user %v or password is error", c.User.Name)
}
} else {
c.Write("Login error: %v", err)
}
}
}
func (c *MainAction) Add() {
if c.Method() == "GET" {
c.Render("add.html")
} else if c.Method() == "POST" {
_, err := engine.Insert(&c.User)
if err == nil {
c.Go("list")
} else {
c.Write("add user error: %v", err)
}
}
}
func (c *MainAction) Del() {
_, err := engine.Id(c.Id).Delete(su)
if err != nil {
c.Write("删除失败:%v", err)
} else {
c.Go("list")
}
}
func (c *MainAction) Edit() {
if c.Method() == "GET" {
if c.Id > 0 {
has, err := engine.Id(c.Id).Get(&c.User)
if err == nil {
if has {
c.Render("edit.html")
} else {
c.NotFound("no exist")
}
} else {
c.Write("error: %v", err)
}
} else {
c.Write("error: no user id")
}
} else if c.Method() == "POST" {
if c.User.Id > 0 {
_, err := engine.Id(c.User.Id).Update(&c.User)
if err == nil {
c.Go("list")
} else {
c.Write("save user error: %v", err)
}
} else {
c.Write("error: no user id")
}
}
}
func main() {
xweb.AddAction(&MainAction{})
app := xweb.MainServer().RootApp
filter := xweb.NewLoginFilter(app, "userId", "/login")
filter.AddAnonymousUrls("/", "/login", "/logout")
app.AddFilter(filter)
//app.AppConfig.StaticFileVersion = false
f, err := os.Create("simple.log")
if err != nil {
println(err.Error())
return
}
logger := log.New(f, "", log.Ldate|log.Ltime)
xweb.SetLogger(logger)
xweb.Run("0.0.0.0:8080")
}