[英]In jsf, can i inject a sessionscope bean into an actionlistener?
在jsf中,我想將一個sessionscope bean注入一個actionlistener實現。 可以嗎?
像這樣:
YourBean testBean = (YourBean)FacesContext.getCurrentInstance().getExternalContext()
.getSessionMap().get( "yourBean");
經歷這個..
http://www.oio.de/public/java/jsf-best-practices-javaserver-faces-session-tips.htm
要么
ELContext elContext = context.getELContext();
context.getApplication().getExpressionFactory()
.createValueExpression(elContext,"#{sessionScope.sessionValue}", String.class)
.setValue(elContext, this.getSessionValue());
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