File upload 使用rich:fileUpload获取上载文件的文件内容
因此,我有一个包含以下代码的xhtml页面:File upload 使用rich:fileUpload获取上载文件的文件内容,file-upload,richfaces,File Upload,Richfaces,因此,我有一个包含以下代码的xhtml页面: <rich:fileUpload id="uploadReportTemplate" addControlLabel="Add XSLT" fileUploadListener="#{manageFeedTypeAction.fileUploadListener}"
<rich:fileUpload
id="uploadReportTemplate"
addControlLabel="Add XSLT"
fileUploadListener="#{manageFeedTypeAction.fileUploadListener}"
uploadData="#{manageFeedTypeAction.data}"
listWidth="63px" listHeight="0px" maxFilesQuantity="1"
immediateUpload="true" acceptedTypes="xsl,xslt"
allowFlash="false"
status="eventQueueFileUpload"
ontyperejected="javascript:Richfaces.showModalPanel('wrongSelectionModal');this.disabled=false">
<a4j:support event="onuploadcomplete" reRender="fileUploadPanel"/>
</rich:fileUpload>
我只允许用户上传一个文件。一旦这个文件已经上传,我希望检查文件是否包含某个关键字。如何检查文件是否包含该关键字?请提供帮助。我可以通过向fileUploadListener方法添加以下代码来解决此问题,该方法在上面的
fileUploadListener=“#{manageFeedTypeAction.fileUploadListener}”
处调用:
public void fileUploadListener(UploadEvent event) {
UploadItem item = event.getUploadItem();
if(item == null || item.getData() == null) {
LOG.error("Uploaded item is null");
} else {
String value = new String(item.getData());
if(value.toLowerCase().contains("String")) {
LOG.error("Cannot contain 'String'");
} else {
setData(item.getData());
setFileName(item.getFileName());
}
}
}