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Playframework-子包装的控制器和布线问题

[英]Playframework - subpackaged controllers and routing issues

 原文  2017-07-12 09:24:27  8   1    java/ scala/ intellij-idea/ playframework/ sbt

问题描述

系统详情：

  • Arch Linux：4.11.7-1-ARCH x64
  • Oracle Java JDK：1.8.0_131
  • IntelliJ Scala插件：2017.1.19（最新）
  • SBT：0.13.13（最新）
  • IntelliJ IDEA Ultimate 2017.1.4版本
  • 播放框架：2.6.1

介绍

注意：我是新玩的框架

我正在使用提供的“ play-starter”项目，并以此创建了一个路由到各个页面的控制器。 通过不使用任何子包来工作。

目录结构： {root}/app/controllers/MyController

MyController.index()与路由路径一起显示： 

GET     /                        controllers.MyController.index

这按预期显示，我创建的POST方法也按预期运行。

问题：

我尝试创建子包来启动我的项目，但是在任何时候都收到错误消息（详细信息如下）。

浏览路由文档没有解决方案（对我来说）。 我搜索了类似的问题，发现这里是一个非常相似的问题，但是答案不能解决我的问题。

一个博客似乎解决了这个问题，但我没有成功。

错误输出： 

/usr/lib/jvm/java-8-jdk/bin/java -agentlib:jdwp=transport=dt_socket,address=127.0.0.1:37417,suspend=y,server=n -Xms512M -Xmx1024M -Xss1M -XX:+CMSClassUnloadingEnabled -Dfile.encoding=UTF-8 -classpath /home/cybex/.IntelliJIdea2017.1/config/plugins/Scala/launcher/sbt-launch.jar:/usr/share/intellij-idea-ultimate-edition/lib/idea_rt.jar xsbt.boot.Boot run
Connected to the target VM, address: '127.0.0.1:37417', transport: 'socket'
[info] Loading global plugins from /home/cybex/.sbt/0.13/plugins
[info] Loading project definition from /home/cybex/Documents/play-project/eatalot/project
[info] Set current project to EatAloT (in build file:/home/cybex/Documents/University/Year%205/WRR301/eatalot/eatalot/)

--- (Running the application, auto-reloading is enabled) ---

[info] p.c.s.AkkaHttpServer - Listening for HTTP on /0:0:0:0:0:0:0:0:8080

(Server started, use Enter to stop and go back to the console...)

[info] Compiling 35 Scala sources and 13 Java sources to /home/cybex/Documents/play-project/eatalot/target/scala-2.12/classes...
[error] /home/cybex/Documents/play-project/eatalot/conf/routes:8: type AccountController is not a member of package controllers.User.routes
[error] GET        /user                 controllers.User.routes.AccountController.index()
[error] /home/cybex/Documents/play-project/eatalot/conf/routes:8: type AccountController is not a member of package controllers.User.routes
[error] GET        /user                 controllers.User.routes.AccountController.index()
[error] /home/cybex/Documents/play-project/eatalot/conf/routes:8: type AccountController is not a member of package controllers.User.routes
[error] GET        /user                 controllers.User.routes.AccountController.index()
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/index.scala.html:28: object AccountController is not a member of package controllers.User.routes
[error]         <form action="@controllers.User.routes.AccountController.login()" method="get">
[error]                                                ^
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/index.scala.html:32: object AccountController is not a member of package controllers.User.routes
[error]         <form action="@controllers.User.routes.AccountController.register()" method="get">
[error]                                                ^
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/login.scala.html:17: object AccountController is not a member of package controllers.User.routes
[error]         <form action="@controllers.User.routes.AccountController.doLogin()" method="post">
[error]                                                ^
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/register.scala.html:16: object AccountController is not a member of package controllers.User.routes
[error]         <form method="post" action="@controllers.User.routes.AccountController.doRegister()">
[error]                                                              ^
[error] 7 errors found
[error] (compile:compileIncremental) Compilation failed
[info] Compiling 35 Scala sources and 13 Java sources to /home/cybex/Documents/play-project/eatalot/target/scala-2.12/classes...
[error] /home/cybex/Documents/play-project/eatalot/conf/routes:8: type AccountController is not a member of package controllers.User.routes
[error] GET        /user                 controllers.User.routes.AccountController.index()
[error] /home/cybex/Documents/play-project/eatalot/conf/routes:8: type AccountController is not a member of package controllers.User.routes
[error] GET        /user                 controllers.User.routes.AccountController.index()
[error] /home/cybex/Documents/play-project/eatalot/conf/routes:8: type AccountController is not a member of package controllers.User.routes
[error] GET        /user                 controllers.User.routes.AccountController.index()
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/index.scala.html:28: object AccountController is not a member of package controllers.User.routes
[error]         <form action="@controllers.User.routes.AccountController.login()" method="get">
[error]                                                ^
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/index.scala.html:32: object AccountController is not a member of package controllers.User.routes
[error]         <form action="@controllers.User.routes.AccountController.register()" method="get">
[error]                                                ^
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/login.scala.html:17: object AccountController is not a member of package controllers.User.routes
[error]         <form action="@controllers.User.routes.AccountController.doLogin()" method="post">
[error]                                                ^
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/register.scala.html:16: object AccountController is not a member of package controllers.User.routes
[error]         <form method="post" action="@controllers.User.routes.AccountController.doRegister()">
[error]                                                              ^
[error] 7 errors found
[error] (compile:compileIncremental) Compilation failed
[error] application - 

! @74j57k5c0 - Internal server error, for (GET) [/] ->

play.sbt.PlayExceptions$CompilationException: Compilation error[type AccountController is not a member of package controllers.User.routes]
    at play.sbt.PlayExceptions$CompilationException$.apply(PlayExceptions.scala:27)
    at play.sbt.PlayExceptions$CompilationException$.apply(PlayExceptions.scala:27)
    at scala.Option.map(Option.scala:145)
    at play.sbt.run.PlayReload$$anonfun$taskFailureHandler$1.apply(PlayReload.scala:49)
    at play.sbt.run.PlayReload$$anonfun$taskFailureHandler$1.apply(PlayReload.scala:44)
    at scala.Option.map(Option.scala:145)
    at play.sbt.run.PlayReload$.taskFailureHandler(PlayReload.scala:44)
    at play.sbt.run.PlayReload$.compileFailure(PlayReload.scala:40)
    at play.sbt.run.PlayReload$$anonfun$compile$1.apply(PlayReload.scala:17)
    at play.sbt.run.PlayReload$$anonfun$compile$1.apply(PlayReload.scala:17)
[info] Compiling 35 Scala sources and 13 Java sources to /home/cybex/Documents/play-project/eatalot/target/scala-2.12/classes...
[error] /home/cybex/Documents/play-project/eatalot/conf/routes:8: type AccountController is not a member of package controllers.User.routes
[error] GET        /user                 controllers.User.routes.AccountController.index()
[error] /home/cybex/Documents/play-project/eatalot/conf/routes:8: type AccountController is not a member of package controllers.User.routes
[error] GET        /user                 controllers.User.routes.AccountController.index()
[error] /home/cybex/Documents/play-project/eatalot/conf/routes:8: type AccountController is not a member of package controllers.User.routes
[error] GET        /user                 controllers.User.routes.AccountController.index()
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/index.scala.html:28: object AccountController is not a member of package controllers.User.routes
[error]         <form action="@controllers.User.routes.AccountController.login()" method="get">
[error]                                                ^
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/index.scala.html:32: object AccountController is not a member of package controllers.User.routes
[error]         <form action="@controllers.User.routes.AccountController.register()" method="get">
[error]                                                ^
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/login.scala.html:17: object AccountController is not a member of package controllers.User.routes
[error]         <form action="@controllers.User.routes.AccountController.doLogin()" method="post">
[error]                                                ^
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/register.scala.html:16: object AccountController is not a member of package controllers.User.routes
[error]         <form method="post" action="@controllers.User.routes.AccountController.doRegister()">
[error]                                                              ^
[error] 7 errors found
[error] (compile:compileIncremental) Compilation failed
[info] Compiling 35 Scala sources and 13 Java sources to /home/cybex/Documents/play-project/eatalot/target/scala-2.12/classes...
[error] /home/cybex/Documents/play-project/eatalot/conf/routes:8: type AccountController is not a member of package controllers.User.routes
[error] GET        /user                 controllers.User.routes.AccountController.index()
[error] /home/cybex/Documents/play-project/eatalot/conf/routes:8: type AccountController is not a member of package controllers.User.routes
[error] GET        /user                 controllers.User.routes.AccountController.index()
[error] /home/cybex/Documents/play-project/eatalot/conf/routes:8: type AccountController is not a member of package controllers.User.routes
[error] GET        /user                 controllers.User.routes.AccountController.index()
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/index.scala.html:28: object AccountController is not a member of package controllers.User.routes
[error]         <form action="@controllers.User.routes.AccountController.login()" method="get">
[error]                                                ^
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/index.scala.html:32: object AccountController is not a member of package controllers.User.routes
[error]         <form action="@controllers.User.routes.AccountController.register()" method="get">
[error]                                                ^
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/login.scala.html:17: object AccountController is not a member of package controllers.User.routes
[error]         <form action="@controllers.User.routes.AccountController.doLogin()" method="post">
[error]                                                ^
[error] /home/cybex/Documents/play-project/eatalot/app/views/User/Account/register.scala.html:16: object AccountController is not a member of package controllers.User.routes
[error]         <form method="post" action="@controllers.User.routes.AccountController.doRegister()">
[error]                                                              ^
[error] 7 errors found
[error] (compile:compileIncremental) Compilation failed

问题详细信息：

我创建了一个子包User 。 在这个子包中，我有一个控制器AccountController

AccountController有几个函数，出于这个问题的目的，我将使用doLogin()

目录结构： {root}/app/controllers/User/AccountController

建议的解决方案：

所有解决方案都指向相同的代码（这会导致各种错误）

每个程序包都有自己的路由文件。 就我而言，我应该使用controllers.User.routes后跟路由文件的控制器名称和功能

例如 

POST       /user/login        controllers.User.routes.AccountController.doLogin()

我的目录布局是controllers/User/AccountController并用于在视图中显示此视图（ 在此处找到 ） 

<form action="@controllers.User.routes.AccountController.doLogin()" method="post">

但是这不起作用。

额外信息：

{root} / app / controllers / User / AccountController 

package controllers.User;

import models.User;
import play.Logger;
import play.data.DynamicForm;
import play.data.FormFactory;
import play.mvc.Controller;
import play.mvc.Result;
import views.html.User.Account.*;

import javax.inject.Inject;
import java.util.Random;
import java.util.Set;

public class AccountController extends Controller{

    @Inject
    FormFactory formFactory;

    public Result index() {
        //...
    }

    public Result login(){
        //...
    }

    public Result doLogin(){
        //...
    }

    public Result register(){
        //...
    }

    public Result doRegister(){
        //...
    }

}

{root} / conf / routes 

# Routes
# This file defines all application routes (Higher priority routes first)
# ~~~~

# An example controller showing a sample home page
GET     /                        controllers.HomeController.index

GET        /user                 controllers.User.routes.AccountController.index()
GET        /user/register        controllers.User.routes.AccountController.register()
GET        /user/login           controllers.User.routes.AccountController.login()

##disable this an you will recieve a 403 forbidden error, the CRSF filter is used for cross site scripting prevention, use for authentication
#+ nocsrf
POST       /user/register        controllers.User.routes.AccountController.doRegister()
#+ nocsrf
POST       /user/login           controllers.User.routes.AccountController.doLogin()

# An example controller showing how to use dependency injection
GET     /count                   controllers.CountController.count
# An example controller showing how to write asynchronous code
GET     /message                 controllers.AsyncController.message

# Map static resources from the /public folder to the /assets URL path
GET     /assets/*file            controllers.Assets.versioned(path="/public", file: Asset)

{root} /app/views/User/Account/index.scala.html 

@(users: Set[User])

<html>
    <header>
        <title>All users in list</title>
    </header>
    <body>
        <h1>All users in list</h1>
        <br>
        <table>
            <tr>
                <th>ID</th>
                <th>Name</th>
                <th>Surname</th>
                <th>Cellphone</th>
            </tr>
             @for(user <- users) {
            <tr>
            <td>@user.id</td>
            <td>@user.name</td>
            <td>@user.surname</td>
            <td>@user.cellNumber</td>
            </tr>
            }
        </table>
        <br>
        <br>
        <form action="@controllers.User.routes.AccountController.login()" method="get">
            <input type="submit" value="Login">
        </form>
        <br>
        <form action="@controllers.User.routes.AccountController.register()" method="get">
            <input type="submit" value="Register">
        </form>
    </body>
</html>

{root} /app/views/User/Account/login.scala.html 

@(message: String)

<html>
    <header>
        <title>Login Form</title>
    </header>
    <body>
        <h1>Login Form</h1>
        <br/>
        <label>Email:</label> <input type="email" name="edtEmail"/>
        <br/>
        <br/>
        <label>Password:</label> <input type="password" name="edtPassword"/>
        <br/>
        <label>@message</label>
        <br/>
        <form action="@controllers.User.routes.AccountController.doLogin()" method="post">
            <input type="submit" value="Login">
        </form>
    </body>
</html>

1 个解决方案

解决方案1
 0 已采纳  2017-07-12 11:07:58

似乎是一个错误，因为重做了我以前做过的所有“测试”以使其正常运行，事实证明已解决了该问题。

Play 2.6.1项目的正式解决方案，具有子包并需要路由至该子包：

子软件包名称： User软件包控制器： AccountController

项目应用目录结构： 

app/
      controllers/ (provided)
      filters/ (provided)
      models/ 
      services/ (provided)
      views/  (provided)

控制器目录 

controllers/
          User/ (sub package)
                AccountController.java
          HomeController.java (provided)

帐户控制器包含以下方法：

  • 指数（）
  • 寄存器（）
  • doRegister（）

视图目录 

views/
          User/
                Account/
                     index.scala.html
                     register.scala.html
          index.scala.html (provided)

注意：尝试保持相同的目录结构（请参阅User/Account/{controller function name} ）

路由文件输入conf/routes ： 

GET        /user                 controllers.User.AccountController.index
GET        /user/register        controllers.User.AccountController.register()

#disable this (below) and you will receive a 403 forbidden error, the CRSF filter is used for cross site scripting prevention, use for authentication. 
#You can apply this autentication: see https://stackoverflow.com/questions/45017920/post-method-rendering-403-forbidden-page-instead-of-executing-post-method-code

#+ nocsrf
POST       /user/register        controllers.User.AccountController.doRegister()

希望这会有所帮助！

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