Jsp and js take el expressions, and their expressions use

1. Use el expression to take parameters in js

   var ar = "${xxbean.area }";

2. Use el expression to take parameters in jsp

   Customer number: ${xxbean.num }

3. Common el expressions

--------c:choose------------------

  <c:choose>

      <c:when test="${xxbean.area == 'LN'}"> 辽宁xxx</c:when>

      <c:when test="${xxbean.area == 'BJ'}"> 北京xxx</c:when>

     <c:otherwise></c:otherwise>

   </c:choose>

 

---------c:forEach------------------

varStatus defines a loop status variable var with attributes: index--the current loop index number  ;  count--the total number of members  

<c:forEach items="${xxList}" var="xxxxs"  varStatus="s">

 <tr>

   <td>${s.index+1 }</td>

  <td>${xxxs.name }</td>

 </tr>

</c:forEach>

 

--------c:if------------------

 <c:if test="${user.userStatus=='no'}">

  not certified

 </c:if>

4. Formatting

--------fmt:formatDate format date-------------------

引入：<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>

 <fmt:formatDate value="${xxx.x_date}" pattern="yyyy年MM月dd日 "/>

 

--------fmt:formatNumber format amount---------------

引入：<%@ taglib prefix="fmt" uri="http://java.sun.com/jsp/jstl/fmt" %>

<fmt:formatNumber  value="${xxx.xx_money }" type="currency" pattern="#.00"/></td>

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5.js call print

   window.print();