Add xorm example

Former-commit-id: 89940d656398f0adab13b4cae921b645bab7894c

_examples/README.md

@@ -160,6 +160,10 @@ You can serve [quicktemplate](https://github.com/valyala/quicktemplate) files to
 
 > The `context.ResponseWriter()` returns an enchament version of a http.ResponseWriter, these examples show some places where the Context uses this object. Besides that you can use it as you did before iris.
 
+### ORM
+
+- [Using xorm(Mysql, MyMysql, Postgres, Tidb, **SQLite**, MsSql, MsSql, Oracle)](orm/xorm/main.go)
+
 ### Miscellaneous
 
 - [Request Logger](http_request/request-logger/main.go)

_examples/orm/xorm/main.go

@@ -0,0 +1,75 @@
+// Package main shows how an orm can be used within your web app
+// it just inserts a column and select the first.
+package main
+
+import (
+	"time"
+
+	"github.com/kataras/iris"
+	"github.com/kataras/iris/context"
+
+	"github.com/go-xorm/xorm"
+	_ "github.com/mattn/go-sqlite3"
+)
+
+/*
+	go get -u github.com/mattn/go-sqlite3
+	go get -u github.com/go-xorm/xorm
+
+	If you're on win64 and you can't install go-sqlite3:
+		1. Download: https://sourceforge.net/projects/mingw-w64/files/latest/download
+		2. Select "x86_x64" and "posix"
+		3. Add C:\Program Files\mingw-w64\x86_64-7.1.0-posix-seh-rt_v5-rev1\mingw64\bin
+		to your PATH env variable.
+
+	Docs: http://xorm.io/docs/
+*/
+
+// User is our user table structure.
+type User struct {
+	ID        int64  // auto-increment by-default by xorm
+	Version   string `xorm:"varchar(200)"`
+	Salt      string
+	Username  string
+	Password  string    `xorm:"varchar(200)"`
+	Languages string    `xorm:"varchar(200)"`
+	CreatedAt time.Time `xorm:"created"`
+	UpdatedAt time.Time `xorm:"updated"`
+}
+
+func main() {
+	app := iris.New()
+
+	orm, err := xorm.NewEngine("sqlite3", "./test.db")
+	if err != nil {
+		app.Logger().Fatalf("orm failed to initialized: %v", err)
+	}
+
+	iris.RegisterOnInterrupt(func() {
+		orm.Close()
+	})
+
+	err = orm.Sync2(new(User))
+
+	if err != nil {
+		app.Logger().Fatalf("orm failed to initialized User table: %v", err)
+	}
+
+	app.Get("/insert", func(ctx context.Context) {
+		user := &User{Username: "kataras", Salt: "hash---", Password: "hashed", CreatedAt: time.Now(), UpdatedAt: time.Now()}
+		orm.Insert(user)
+
+		ctx.Writef("user inserted: %#v", user)
+	})
+
+	app.Get("/get", func(ctx context.Context) {
+		user := User{ID: 1}
+		if ok, _ := orm.Get(&user); ok {
+			ctx.Writef("user found: %#v", user)
+		}
+	})
+
+	// http://localhost:8080/insert
+	// http://localhost:8080/get
+	app.Run(iris.Addr(":8080"), iris.WithoutServerError(iris.ErrServerClosed))
+}