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当我将数据从隐藏字段发送到操作时,就会出现我的问题。没有正确收集数据,结果页面我收到以下消息:

  • 使用值“[Ljava.lang.String;@354c0a31”设置表达式“idplatos”时出错
  • 使用值“[Ljava.lang.String;@4786b9ce”设置表达式“idrestaurantes”时出错

在此表单中,隐藏字段的值来自先前的查询,在查询其他不在表单中的数据的同一页面上正确显示。这是表单的代码:

<s:form action="Detalles.action" namespace="/" method="POST">
        <s:hidden name="idplatos" value="idplatos"/>
        <s:hidden name="idrestaurantes" value="restaurante.idrestaurante"/>
        <s:submit key="detalles" align="center"/>
</s:form>

这是来自行动的代码:

public class PlatoAction extends ActionSupport {

private ArrayList <Platos> detalles;
private int idplatos;
private int idrestaurantes;

public String execute() throws Exception {

    Platos plato = new Platos();
    Restaurantes restaurante = new Restaurantes();

    plato.setIdplatos(getIdplatos());
    restaurante.setIdrestaurantes(getIdrestaurantes());

    System.out.println("idpla");
    System.out.println("idpres");

InterfacePlatosDAO PlatosDAO = FactoriaDAO.getPlatosDAO("MySQL");
detalles = PlatosDAO.detallePlato(plato, restaurante);

return SUCCESS;
}

public ArrayList<Platos> getDetalles() {
    return detalles;
}

public void setDetalles(ArrayList<Platos> detalles) {
    this.detalles = detalles;
}

public int getIdplatos() {
    return idplatos;
}

public void setIdplatos(int idplatos) {
    this.idplatos = idplatos;
}

public int getIdrestaurantes() {
    return idrestaurantes;
}

public void setIdrestaurantes(int idrestaurantes) {
    this.idrestaurantes = idrestaurantes;
}
}

问题是什么?

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