PrimeFaces重写PDF路径以在新窗口中显示

import org.primefaces.model.DefaultStreamedContent;
import org.primefaces.model.StreamedContent;

@ManagedBean
public class PDFBean {
    public StreamedContent getPdf() {
        // 生成PDF的逻辑
        // ...

        // 使用DefaultStreamedContent将PDF数据包装为StreamedContent对象
        InputStream stream = // 获取PDF的InputStream
        return new DefaultStreamedContent(stream, "application/pdf");
    }
}

<h:form>
    <p:commandButton value="生成PDF" ajax="false" actionListener="#{PDFBean.getPdf}" />
    <p:fileDownload value="#{PDFBean.pdf}" />
</h:form>

<p:commandButton value="生成PDF" ajax="false" actionListener="#{PDFBean.getPdf}" target="_blank" />