play+mongodb+scala的项目搭建

创建Play项目后配置sbt，导入reactiveMongodb：

name := """play-scala"""version := "1.0-SNAPSHOT"scalaVersion := "2.11.8"libraryDependencies += jdbclibraryDependencies += cachelibraryDependencies += wslibraryDependencies += "org.scalatestplus.play" %% "scalatestplus-play" % "1.5.1" % Testval reactiveMongoVer = "0.12.3"libraryDependencies ++= Seq(// "org.reactivemongo" %% "reactivemongo" % "0.12""org.reactivemongo" %% "play2-reactivemongo" % reactiveMongoVer)routesGenerator := InjectedRoutesGeneratorfork in run := truelazy val root = (project in file(".")).enablePlugins(PlayScala)

在application.conf文件中配置Module和Mongodb的地址：

play.modules.enabled += "play.modules.reactivemongo.ReactiveMongoModule"mongo-async-driver {akka {loglevel = WARNING}}mongodb.uri = "mongodb://localhost:27017/mydb"

创建数据实体：

ackage entity/*** 用户实体对象* @param id* @param name* @param password* @param email* @param createDate* @param modifyDate*/case class User(val id:String ,val name: String,val password:String,val email:String,val createDate:Long,val modifyDate:Long)object User{import play.api.libs.json._implicit object UserWriter extends OWrites[User]{override def writes(o: User): JsObject = {Json.obj("_id"->o.id,"name"->o.name,"password"->o.password,"email"->o.email,"createDate"->o.createDate,"modifyDate"->o.modifyDate)}}implicit object UserReader extends Reads[User]{override def reads(json: JsValue): JsResult[User] = {json match {case js:JsObject=>try{val id = (json \ "_id").as[String]val name = (json \ "name").as[String]val password = (json \"password").as[String]val email = (json \"email").as[String]val createDate = (json \ "createDate").as[Long]val modifyDate = (json \ "modifyDate").as[Long]JsSuccess(User(id,name,password,email,createDate,modifyDate))}catch {case cause:Throwable=>JsError(cause.getMessage)}case _ => JsError("error")}}}}

mongodb的增删改查：

package controllersimport java.util.UUIDimport javax.inject.{Inject, Singleton}import entity.Userimport play.api._import play.api.mvc._import play.modules.reactivemongo.{MongoController, ReactiveMongoApi, ReactiveMongoComponents}import play.api.libs.concurrent.Execution.Implicits.defaultContextimport play.api.libs.json.Jsonimport reactivemongo.api.QueryOptsimport reactivemongo.bson.BSONDocumentimport reactivemongo.play.json._import reactivemongo.play.json.collection._/*** Created by zhuleqi on 2017/3/22.*/class UserController @Inject() (val reactiveMongoApi: ReactiveMongoApi) extends Controller with MongoController with ReactiveMongoComponents {/*** 获取mongoDb的collection* @return*/def userCollection = reactiveMongoApi.database.map(_.collection[JSONCollection]("user"))def regist()=Action{Ok(views.html.userRegist("用户注册"))}/***插入用户* @param name* @param passowrd* @param email* @return*/def insert(name:String,passowrd:String,email:String)=Action.async{var user = User(UUID.randomUUID().toString,name,passowrd,email,System.currentTimeMillis(),System.currentTimeMillis())userCollection.flatMap(_.insert(user)).map(wr =>Ok(user.toString))}/*** 更新User的Email* @param id* @param email* @return*/def update(id:String,email:String) = Action.async{userCollection.flatMap(_.update(Json.obj("_id"->id),Json.obj("$set"->Json.obj("email"->email)))).map(ss=>{Ok("ok")})}/***根据ID查找用户* @param id* @return*/def find(id:String)=Action.async{userCollection.flatMap(_.find(Json.obj("_id"->id)).cursor[User]().collect[List]()).map(users=>{Ok(users.head.toString);})}/*** 删除用户* @param id* @return*/def remove(id:String) =Action.async{userCollection.flatMap(_.remove(Json.obj("_id"->id))).map(findMS =>{Ok("delete ok")})}/*** 分页查找用户列表* @param page* @param pageSize* @return*/def findAll(page:Int,pageSize:Int) = Action.async{val startIndex = pageSize*(page-1);val endIndex = pageSize*pageuserCollection.flatMap(_.find(Json.obj()).options(QueryOpts(skipN =startIndex ,batchSizeN = pageSize)).cursor[User]().collect[List](pageSize)).map(users=>{var userStr = ""for (user <- users){userStr+=user.toString}Ok(userStr)})}def login(name:String,password:String) = Action{Ok("")}}

rout文件的相应配置：

POST /user/insert controllers.UserController.insert(name:String?="",password:String?="",email:String?="")GET /user/find/:id controllers.UserController.find(id:String)GET /user/findAll/:page/:pageSize controllers.UserController.findAll(page:Int,pageSize:Int)GET /user/update controllers.UserController.update(id:String ?="",email:String ?="")GET /user/remove/:id controllers.UserController.remove(id:String)GET /user/regist controllers.UserController.regist()

源码地址：https://git.oschina.net/leqisoft/JianBook_scala.git