atm.jsp

《j2ee经典实例详解》的源代码。原书无附带光盘。介绍的是一个在线银行系统的例子。绝对难得

<%--
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 * Sun, Sun Microsystems, the Sun logo, Java and J2EE are trademarks 
 * or registered trademarks of Sun Microsystems, Inc. in the U.S. and 
 * other countries.  
 * 
 * Copyright (c) 2003 Sun Microsystems, Inc. Tous droits reserves.
 * 
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 * commercial. Les utilisateurs gouvernementaux sont soumis au contrat de 
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 * en vigueur de la FAR (Federal Acquisition Regulations) et des 
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 * restreignent l'utilisation.
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--%>
<jsp:useBean id="customerBean" class="com.sun.ebank.web.CustomerBean" scope="request"/>
<jsp:setProperty name="customerBean" property="customer" value="${pageContext.request.userPrincipal.name}"/>
<c:set var="accounts" value="${customerBean.accounts}" />
<center>
<table border=0 cellpadding=2 cellspacing=0 width=500 summary="layout"> 
  <c:url var="url" value="/atmAck" />
  <form name="atm" method="post" action="${url}" >		  
  <tr>
  <td>
  <select name=operation> 
    <option value=0<c:if test="${param.operation == 0}"> selected</c:if>><fmt:message key="Withdraw" /></option>  	   
    <option value=1<c:if test="${param.operation == 1}"> selected</c:if>><fmt:message key="Deposit" /></option>   
  </select>
  </td>

  <td>
  <select name=accountId>
    <c:forEach items="${accounts}" var="ad">
      <c:if test="${param.accountId == ad.accountId}">
        <c:if test="${ad.type != 'Credit'}">
          <option value="${ad.accountId}" selected>${ad.description} (<fmt:formatNumber value="${ad.balance}" type="currency" />)</option>
        </c:if>
        <c:if test="${ad.type == 'Credit'}">
          <option value="${ad.accountId}" selected>${ad.description} (<fmt:formatNumber value="${ad.remainingCredit}" type="currency" />)</option>
        </c:if>
      </c:if>
      <c:if test="${param.accountId != ad.accountId}">
        <c:if test="${ad.type != 'Credit'}">
          <option value="${ad.accountId}">${ad.description} (<fmt:formatNumber value="${ad.balance}" type="currency" />)</option>
        </c:if>
        <c:if test="${ad.type == 'Credit'}">
          <option value="${ad.accountId}">${ad.description} (<fmt:formatNumber value="${ad.remainingCredit}" type="currency" />)</option>
        </c:if>
      </c:if>
    </c:forEach>
  </select>
  </td>
  <td>&nbsp;</td>
  <td>&nbsp;</td>
  </tr>

  <tr>
  <td><b><fmt:message key="ATMAmount"/></b></td>
  <td><input type="text" size="15" name="amount"></td>
  <td><input type="submit" value="<fmt:message key='Submit'/>"></td>
  <td><input type="reset" value="<fmt:message key='Clear'/>"></td>
  </tr>
    
  </form>
</table>
</center>