かんたんかんたんJSF

かんたんかんたんJSF
@den2sn

がめん作って
<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://xmlns.jcp.org/jsf/html">
<h:body>
Hello!
</h:body>
</html>
index.xhtml

リンク足して
<h:body>
Hello!
<h:link outcome="index2" value="Next" />
</h:body>
index.xhtml

画面もう１つ作ると
<?xml version='1.0' encoding='UTF-8' ?>
<!DOCTYPE html>
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:h="http://xmlns.jcp.org/jsf/html">
<h:body>
Next
</h:body>
</html>
index2.xhtml

クラス作って
@Named
@RequestScoped
public class HogeBean {
private String msg = "Hello!";
public String getMsg() {
return msg;
}
}

ELかくと
<h:body>
Next
#{hogeBean.msg}
</h:body>
index2.xhtml

処理かいて
public class HogeBean {
return msg;
}
public void exec() {
msg = " Exec!!";
}
}

ボタンかくと
<h:body>
Next
#{hogeBean.msg}
<h:form>
<h:commandButton action="#{hogeBean.exec}" value="Exec" />
</h:form>
</h:body>
index2.xhtml

せったーかいて
return msg;
}
public void setMsg(String msg) {
this.msg = msg;
}

処理たして
public void exec() {
msg = msg + " Exec!!";
}

入力かくと
<h:form>
<h:inputText id="msg" value="#{hogeBean.msg}" />
</h:form>
index2.xhtml

アノテーションかいて
@Size(min = 1, max = 10)

メッセージかくと
<h:form>
<h:inputText id="msg" value="#{hogeBean.msg}" />
<h:message for="msg" />
</h:form>
index2.xhtmlindex2.xhtml

かんたんかんたんJSF

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