JSTL标签API（c）的使用

后台传数List,在jsp接收以${group.code }
List<Staff> groups = staffService.getStaffsByName("", "",ZD,"G", 0, 1000);
model.addAttribute("groups", groups);

List<StaffRight> rights = staffRightService.getStaffRights();
model.addAttribute("rights", rights);

******************************************************************************
<td class="content" colspan="3">
<div class="area" style="position:relative;">
<c:if test="${!empty groups }">
<dl>
<c:forEach items="${groups }" var="group">
<dd>
<input type="checkbox" value="${group.code }" id="${group.code }" name="staff_code" />
<label for="${group.code }">${group.code }-${group.name1 }</label>
</dd>
</c:forEach>
</dl>
</c:if>
</div>
</td>

//升級：2個對象，的某一元素相等  

<div id="div1" name="div1" class="area" style="position:relative;">
<c:if test="${!empty outlets}">
<dl>
<c:forEach items="${outlets}" var="outlet">
<c:set var="has" value="0" ></c:set>
<dd>
<c:if test="${!empty pays}">
<c:forEach items="${pays}" var="pay">
<c:if test="${pay.outlet==outlet.outlet}">
<c:set var="has" value="1"></c:set>
</c:if>
</c:forEach>
</c:if>
<input type="checkbox" value="${outlet.outlet }" id="${outlet.outlet }" name="outlet" <c:if test="${has==1}">checked="checked"</c:if> />
<label for="${outlet.outlet }">${outlet.outlet }-${outlet.desc1 }</label>
</dd>
</c:forEach>
</dl>
</c:if>
</div>

//標籤中如果有空格符，有時候也會影響代碼。代碼要規範，不能有多於的空格
@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@@

<td class="content" colspan="3">

<c:if test="${!empty rights }">
<ul>
<c:forEach items="${ rights }" var="right">
<li>
${right.desc }：
<c:choose>
<c:when test="${right.type=='0' }">
<input type="radio" value="1" id="can${right.code }" name="${right.code }" />
<label for="can${right.code }">能</label>
<input type="radio" value="0" id="cannot${right.code }" name="${right.code }" checked />
<label for="cannot${right.code }">不能</label>
</c:when>
<c:when test="${right.type=='1' }">
<select name="${ right.code }">
<c:forEach begin="0" end="9" step="1" var="grade">
<option value="${ grade }">${ grade }</option>
</c:forEach>

</select>
</c:when>
<c:otherwise>
<input type="text" name="${ right.code }" value="0" style="text-align:right; 50px;" />
</c:otherwise>
</c:choose>
</<li>
</c:forEach>
</ul>
</c:if>
</td>

<c:if test="${!empty DSCP }">
<c:forEach items="${DSCP}" var="DSCP">
<c:forEach items="${cats}" var="cats">
<c:if test="${DSCP.DOpen=='TRUE' && cats.catCode==DSCP.detail}">
<option value="${DSCP}">大大類折扣:${DSCP.DValue}%,设为最高上限,${DSCP.detail}-${cats.desc1}</option>
</c:if>
<c:if test="${DSCP.DOpen=='FALSE' && cats.catCode==DSCP.detail}">
<option value="${DSCP}">大大類折扣:${DSCP.DValue}%,${DSCP.detail}-${cats.desc1}</option>
</c:if>
</c:forEach>
</c:forEach>
</c:if>