JSF如何从bean方法中获取GET?
JSF how to do a GET from bean method?
我想对我的支持 bean 方法使用 h:commandLink
到 post。之后我想从 bean 方法打开站点内的另一个页面。怎么做?
用 h:commandLink 绑定一个 bean actionListener 并从 action 重定向如下:
XHTML:
<h:commandLink value="Redirect Link"
actionListener="#{yourBean.redirectLinkAction}">
<f:param name="param1" value="param1Value" />
</h:commandLink>
豆豆:
public void showAddressBook(ActionEvent ae) {
try {
ExternalContext externalContext =
FacesContext.getCurrentInstance().getExternalContext();
Map<String, String> params = externalContext.getRequestParameterMap();
String param1 = (String) params.get("param1");
/* Do necessary action with parameter(s) here */
String redirectURL = "Your URL";
externalContext.redirect(redirectURL);
} catch (Exception e) {
// log error here
}
}
我想对我的支持 bean 方法使用 h:commandLink
到 post。之后我想从 bean 方法打开站点内的另一个页面。怎么做?
用 h:commandLink 绑定一个 bean actionListener 并从 action 重定向如下:
XHTML:
<h:commandLink value="Redirect Link"
actionListener="#{yourBean.redirectLinkAction}">
<f:param name="param1" value="param1Value" />
</h:commandLink>
豆豆:
public void showAddressBook(ActionEvent ae) {
try {
ExternalContext externalContext =
FacesContext.getCurrentInstance().getExternalContext();
Map<String, String> params = externalContext.getRequestParameterMap();
String param1 = (String) params.get("param1");
/* Do necessary action with parameter(s) here */
String redirectURL = "Your URL";
externalContext.redirect(redirectURL);
} catch (Exception e) {
// log error here
}
}