Scala 无法读取Freemarker模板中的对象值

Scala 无法读取Freemarker模板中的对象值,scala,velocity,freemarker,Scala,Velocity,Freemarker,我无法读取Freemarker模板中的scala/java对象值 我试过这个: case class ScheduleEmail(workOrderNo:String, name:String, woType:String, numberOfAssets:String,

我无法读取Freemarker模板中的scala/java对象值

我试过这个:

    case class ScheduleEmail(workOrderNo:String,
                             name:String,
                             woType:String,
                             numberOfAssets:String,
                              artisan:String,
                             dueDate:Date,priority:String)

    object ScheduleMailSending extends  App{
      val scheduleEmail1= List(ScheduleEmail("1", "Oil Change1", "WO", "3", "XYZ", Date.valueOf("2015-01-01"), "High"))
      val configaration = new Configuration
      configaration.setClassForTemplateLoading(this.getClass, "/")
      configaration.setObjectWrapper(new DefaultObjectWrapper())
      val data: util.HashMap[String, Object] = new util.HashMap[String, Object]
      val templet = configaration.getTemplate("schedule.ftl")
      data.put("mails",scheduleEmail1.asJava)
      val writer =new StringWriter()
     templet.process(data,writer)
      println("writer"+writer)
    }
我的模板是-

<#list mails as std>

    WorkOrderNo:${std.workOrderNo}
    woType:${std.woType}

</#l

有人能帮我解决这个问题吗

Scala没有为
workOrderNo
(也没有
BeanInfo
)生成getter方法,所以它不是JavaBean属性。它生成了一个
字符串workOrderNo()
方法(我的Scala已经生锈了,但错误消息也表明了这一点)。因此,您必须在模板中编写
std.workOrderNo()
。或者,您应该通过
setMethodAppearanceFineTuner(MethodAppearanceFineTuner)
自定义
ObjectWrapper
,将
字符串workOrderNo()
识别为属性。如果您愿意经常使用Scala,那当然是您应该做的。

我们可以在twirl engine中进行类似的模板制作吗?
SEVERE: Error executing FreeMarker template
FreeMarker template error:
For "${...}" content: Expected a string or something automatically convertible to string (number, date or boolean), but this evaluated to a sequence+method (wrapper: f.e.b.SimpleMethodModel):
==> std.workOrderNo  [in template "schedule.ftl" at line 2, column 15]

The failing instruction (FTL stack trace):
----------
==> ${std.workOrderNo}  [in template "schedule.ftl" at line 2, column 13]
----------

Java stack trace (for programmers):