文章详情|play框架web编程实例

play框架web编程实例 所属分类 play 浏览量 635
HelloController.scala
LoginController.scala
login.scala.html
conf/routes



测试
-Dhttp.port=9100 

http://127.0.0.1:9100/hello 
http://127.0.0.1:9100/hello2?name=tiger
http://127.0.0.1:9100/doLoginSimple?userName=hello&password=java

http://127.0.0.1:9100/doLogin?userName=53732908&password=12345678
List(FormError(userName,List(error.email),List()))

http://127.0.0.1:9100/doLogin?userName=53732908&password=12345
List(FormError(userName,List(error.email),List()), FormError(password,List(error.minLength),ArraySeq(6)))

http://127.0.0.1:9100/doLogin?userName=53732908@qq.com&password=1234567
53732908@qq.com&1234567




HelloController.scala


package controllers

import play.api.mvc._

import java.time.LocalDateTime
import javax.inject._

@Singleton
class HelloController @Inject()(cc: ControllerComponents) extends AbstractController(cc) {

  def hello() = Action { implicit request: Request[AnyContent] =>
    var name = request.getQueryString("name").getOrElse(null);
    if (name == null) {
      name = "scala"
    }
    Ok("hello " + name + "," + LocalDateTime.now())
  }
}



LoginController.scala


package controllers

import play.api.data.Forms._
import play.api.data._
import play.api.mvc._

import javax.inject._

@Singleton
class LoginController @Inject()(cc: ControllerComponents) extends AbstractController(cc) {

  def login = Action {
    Ok(views.html.login("user login"))
    // Ok("login")
  }

  def doLoginSimple(userName: String, password: String) = Action {
    val mess = userName + "&" + password
    Ok(mess)
  }

  def doLogin = Action { implicit request =>
    val loginForm = Form(
      tuple(
        "userName" -> email,
        "password" -> text(minLength = 6)
      )
    )

    loginForm.bindFromRequest().fold(
      errorForm => Ok(errorForm.errors.toString()),
      tupleData => {
        val (userName, password) = tupleData
        Ok(userName + "&" + password)
      }
    )
  }
}




@(title: String)
<!DOCTYPE html>
<html lang="en">
<head><title>@title</title></head>
<body>
<form action="/doLogin">
    <input name="userName" type="text" placeholder="User Name" />
    <input name="password" type="password" placeholder="Password" />
    <button type="submit">登陆</button>
</form>
</body>
</html>



GET     /login        controllers.LoginController.login
GET     /doLogin       controllers.LoginController.doLogin
GET     /doLoginSimple       controllers.LoginController.doLoginSimple(userName: String, password: String)



完整代码
https://gitee.com/dyyx/hellocode/tree/master/demo/scala/play-rest-hello
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