问题
I define some java script function which will call the back-end functions using a4j:jsFunction.For example :
<a4j:jsFunction name="function1" action="#{Bean1.action1}" oncomplete="function2();"/>
<a4j:jsFunction name="function2" action="#{Bean1.action2}" oncomplete="SomeJSFunc2();"/>
Then in the a4j:commandButton , I set the onclick property to call my defined function like it:
<a4j:commandButton onclick="function1" oncomplete="SomeJSFunc3();">
When the a4j:commandButton is clicked , #{Bean1.action1} is run .After the #{Bean1.action1} returned , the oncomplete event of the (a4j:jsFunction name="function1") cannot invoke the "#{Bean1.action2}" .How can I solve this problem?
回答1:
jsf page:
<a4j:commandButton
oncomplete="switchTab(1);"
action="#{backBean.actionSwitchTab4}"
value="#{res['button_forward']}c" styleClass="button" />
<a4j:jsFunction id="testFunc" name="switchTab"
action="#{backBean.actionSwitchTab}"
oncomplete="switchTab2(6);">
<a4j:actionparam name="tabIndex" assignTo="#{backBean.tabIndexTl}" />
</a4j:jsFunction>
<a4j:jsFunction id="testFunc2" name="switchTab2"
action="#{backBean.actionSwitchTab2}"
oncomplete="showConfirmPrompt();">
<a4j:actionparam name="tabIndex" assignTo="#{backBean.tabIndexTi}" />
</a4j:jsFunction>
<a4j:jsFunction id="testFunc3" name="switchTab3"
action="#{backBean.actionSwitchTab3}"
oncomplete="alert('this is the end');">
<a4j:actionparam name="tabIndex" assignTo="#{backBean.tabIndexTs}"/>
</a4j:jsFunction>
<script language="javascript" type="text/javascript">
<!--
function showConfirmPrompt() {
if(confirm('Activate other a4j:jsFunction function')) {
switchTab3('test');
return true;
}
return false;
}
//-->
</script>
backbean(java):
private Integer tabIndexTi; // + GETTER, SETTER
private String tabIndexTs; // + GETTER, SETTER
private Long tabIndexTl; // + GETTER, SETTER
public Object actionSwitchTab() {
System.out.println(" >>>>> actionSwitchTab start; tabIndexTl: " + tabIndexTl);
try {
Thread.sleep(2000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
System.out.println(" >>>>> actionSwitchTab end");
return null;
}
public Object actionSwitchTab2() {
System.out.println(" >>>>> actionSwitchTab2 start; tabIndexTi: " + tabIndexTi);
try {
Thread.sleep(500);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
System.out.println(" >>>>> actionSwitchTab2 end");
return null;
}
public Object actionSwitchTab3() {
System.out.println(" >>>>> actionSwitchTab3 start; tabIndexTs: " + tabIndexTs);
try {
Thread.sleep(3000);
} catch (InterruptedException ex) {
ex.printStackTrace();
}
System.out.println(" >>>>> actionSwitchTab3 end");
return null;
}
public Object actionSwitchTab4() {
System.out.println(" >>>>> actionSwitchTab4");
return null;
}
来源:https://stackoverflow.com/questions/2896283/calling-another-a4jjsfunction-in-an-a4jjsfunction-oncomplete-event