数值计算<view><form>
数值1:<inputtext value="#{math.number1}"></inputtext><br>
数值2:<inputtext value="#{math.number2}"></inputtext><br>
结果:<outputtext value="#{math.result}"></outputtext><outputtext value="#{math.errormessage}"></outputtext><commandbutton value="add" action="#%7Bmath.add%7D"></commandbutton><commandbutton value="subtract" action="#%7Bmath.subtract%7D"></commandbutton><commandbutton value="multiply" action="#%7Bmath.multiply%7D"></commandbutton><commandbutton value="divide" action="#%7Bmath.divide%7D"></commandbutton>
</form>
</view>