使用 sbt 0.11 JRebel 构建 Lift2.4 应用

Scala用户可以申请免费的 JRebel  licence ，这里不多说了

sbt.bat 加上 JRebel

@echo off
set SCRIPT_DIR=%~dp0
set JAVA_OPTS=-Dfile.encoding=UTF8 -Xmx1536M -Xss1M -XX:+CMSClassUnloadingEnabled -XX:MaxPermSize=256m
set JREBEL_OPTS=-javaagent:"%JREBELJAR%" -Drebel.lift_plugin=true
java  %JAVA_OPTS% %JREBEL_OPTS% -jar "%SCRIPT_DIR%sbt-launch-0.11.2.jar" %*

plugins.sbt

resolvers += Classpaths.typesafeResolver

libraryDependencies <+= sbtVersion(v => "com.github.siasia" %% "xsbt-web-plugin" % (v+"-0.2.10"))

build.scala

import sbt._
import Keys._
import com.github.siasia._
import PluginKeys._
import WebPlugin._
import WebappPlugin._

object BuildSettings {

  lazy val buildSettings = Defaults.defaultSettings ++ webSettings ++ Seq(
    
    organization := "net.xzlong",
    version      := "0.1-SNAPSHOT",
    scalaVersion := "2.9.1",

    // using 0.2.4+ of the sbt web plugin
    scanDirectories in Compile := Nil,
    // compile options
    scalacOptions ++= Seq("-encoding", "UTF-8", "-deprecation", "-unchecked"),
    javacOptions  ++= Seq("-Xlint:unchecked", "-Xlint:deprecation"),

    // show full stack traces
    testOptions in Test += Tests.Argument("-oF"))
  
}

object Resolvers {
  val typesafeRepo =  "Typesafe Repo" at "http://repo.typesafe.com/typesafe/releases"
  val maven2Repo =  "Java.net Maven2 Repository" at "http://download.java.net/maven/2/"
}

object Dependencies {
  val liftWebkit = "net.liftweb" %% "lift-webkit" % "2.4" % "compile"
  val liftMapper = "net.liftweb" %% "lift-mapper" % "2.4" % "compile"
  val jetty = "org.eclipse.jetty" % "jetty-webapp" % "7.5.4.v20111024" % "container"
  val logback = "ch.qos.logback" % "logback-classic" % "1.0.0" % "compile"
  val scalatest = "org.scalatest" %% "scalatest" % "1.6.1" % "test"
  val junit =  "junit" % "junit" % "4.10" % "test"
  val h2database = "com.h2database" % "h2" % "1.3.164"
}

object qutaProjectBuild extends Build {
  import BuildSettings._
  import Resolvers._
  import Dependencies._
  
  lazy val qutaProject = Project(
    "quta",
    file("."),
    settings = buildSettings ++ Seq(
      resolvers ++= Seq(typesafeRepo, maven2Repo),
      libraryDependencies ++= Seq(liftWebkit, liftMapper, jetty, logback, scalatest, junit, h2database)
    ))

}

sbt 控制台启动web容器， 之后 ~compile，享受编码乐趣吧，改变代码无需重启web容器

BTW 有人说可能会说 lift 官方使用sbt 0.7 运行~jetty:run 也无需重启， 工程比较小时还好， 工程大时，jetty reload 还是很耗时间的