Hibernate 如何在primefaces中上传文件时传递参数
我将jsf2.0与primfaces一起使用,并使用p:fileupload上传照片。这里我需要在backingbean中传递参数。因为没有通过p:fileupload传递参数的选项。。我还使用了绑定选项,但它在支持bean上返回空值 这是我的fileupload.xhtmlHibernate 如何在primefaces中上传文件时传递参数,hibernate,file-upload,jsf-2,primefaces,Hibernate,File Upload,Jsf 2,Primefaces,我将jsf2.0与primfaces一起使用,并使用p:fileupload上传照片。这里我需要在backingbean中传递参数。因为没有通过p:fileupload传递参数的选项。。我还使用了绑定选项,但它在支持bean上返回空值 这是我的fileupload.xhtml <h:form enctype="multipart/form-data"> <p:panel header="Upload Photos" id="getImageId
<h:form enctype="multipart/form-data">
<p:panel header="Upload Photos" id="getImageId"
style="font-size:12px;height:499px">
<p:messages id="messages" for="imaload"></p:messages>
<p:fileUpload id="imaload" fileUploadListener="#
{ngoPhotoUpload.photoUpload}"
mode="advanced" multiple="true"
immediate="true"
update="messages"
allowTypes="/(\.|\/)(gif|jpe?g|png)$/"/>
<!-- <p:growl life="1000" id="messages"/> -->
</p:panel>
</h:form>
这是我的backingbean方法
public void photoUpload(FileUploadEvent event) throws IOException,
InterruptedException {
BufferedImage bufferedImage;
String tmpFile = scontext.getRealPath(("/ngoPhotos/")
+ event.getFile().getFileName());
File result = new File(tmpFile);
byte[] imageByte = event.getFile().getContents();
storeImage(imageByte, tmpFile);
String imageName = event.getFile().getFileName();
String createdby = loginBean.getEmail();
if (loginBean.getType().equals("admin")
|| loginBean.getType().equals("ngo_coordinator")) {
if (ngoRegnPojo.getNgo_id() != 0) {
ngoPhotoBean.setNgo_id(ngoRegnPojo.getNgo_id());
} else {
ngoPhotoBean.setNgo_id(loginBean.getUser_id());
}
} else {
ngoPhotoBean.setNgo_id(loginBean.getUser_id());
}
ngoPhotoBean.setImageName(imageName);
ngoPhotoBean.status = "status";
ngoPhotoBean.setCreatedDate(new Date());
ngoPhotoBean.setCreatedby(createdby);
//ngoPhotoBean.setPathName(tmpFile);
ngoPhotoBean.disable = "false";
bufferedImage = ImageIO.read(result);
if (bufferedImage.getWidth() <= 400 && bufferedImage.getHeight() <= 400) {
ngoPhotoBean.disable = "false";
getMthd(imageByte, tmpFile);
} else {
try {
ngoPhotoBean.disable = "false";
bufferedImage = ImageIO.read(result);
ImageIO.write(resize(bufferedImage, 400, 400), "jpg", new File(
tmpFile));
photoUploadDaoService.uploadNgoPhoto(ngoPhotoBean);
NgoPhotoBean ngoPhotoBean = new NgoPhotoBean();
FacesContext.getCurrentInstance().getExternalContext()
.getSessionMap().put("ngoPhotoBean", ngoPhotoBean);
FacesMessage msg = new FacesMessage("Successfully Uploaded");
FacesContext.getCurrentInstance().addMessage(null, msg);
} catch (Exception e) {
e.printStackTrace();
FacesMessage error = new FacesMessage(
FacesMessage.SEVERITY_ERROR,
"The files were not uploaded!", "");
FacesContext.getCurrentInstance().addMessage(null, error);
}
}
}
public void photoUpload(FileUploadEvent事件)引发IOException,
中断异常{
BuffereImage BuffereImage;
字符串tmpFile=scontext.getRealPath((“/ngoPhotos/”)
+event.getFile().getFileName());
文件结果=新文件(tmpFile);
byte[]imageByte=event.getFile().getContents();
storeImage(imageByte,tmpFile);
字符串imageName=event.getFile().getFileName();
字符串createdby=loginBean.getEmail();
if(loginBean.getType().equals(“admin”)
||loginBean.getType().equals(“ngo_协调员”)){
if(ngoRegnPojo.getNgo_id()!=0){
ngoPhotoBean.setNgo_id(ngoRegnPojo.getNgo_id());
}否则{
ngoPhotoBean.setNgo_id(loginBean.getUser_id());
}
}否则{
ngoPhotoBean.setNgo_id(loginBean.getUser_id());
}
ngoPhotoBean.setImageName(imageName);
ngoPhotoBean.status=“status”;
ngoPhotoBean.setCreatedDate(新日期());
ngoPhotoBean.setCreatedby(createdby);
//设置路径名(tmpFile);
ngoPhotoBean.disable=“false”;
BuffereImage=ImageIO.read(结果);
if(buffereImage.getWidth()您需要传递什么类型的参数?如果它只是某种常量,您可以在表单中输入a,以便在提交后可以接收它的值。您可以使用p:remotecommand,例如,对于文件上传的oncomplete,您可以调用p:remote命令并调用传递参数的函数。我做了一些类似的事情r在我的项目中,它工作得很好。表单元素中没有commandbutton或commandlink。因此,如何使用隐藏字段。我在表单中使用了p:inputtext。但它返回空值。。