if…else…
<c:choose> <c:when test="${shopPRoduct == ''}"> <input type="hidden" class="form-control" name="productid" value=""> </c:when> <c:otherwise> <input type="hidden" class="form-control" name="productid" value="${shopProduct.productid }"> </c:otherwise> </c:choose>select
<select id="cateid" name="cateid" class="form-control" style="width:205px"> <option value="">---請選擇---</option> <c:forEach items="${shopCategoryList}" var="shopCategoryList" varStatus="row"> <c:choose> <c:when test="${shopCategoryList.cateid eq shopProduct.cateid}"> <option value="${shopCategoryList.cateid}" selected="selected">${shopCategoryList.title }</option> </c:when> <c:otherwise> <option value="${shopCategoryList.cateid}">${shopCategoryList.title}</option> </c:otherwise> </c:choose> </c:forEach> </select>radio
<c:if test="${shopProduct.issale=='1'}"> <input checked="checked" type="radio" class="form-control" name="issale" id="issale1" value="1"> <label for="issale1" style="display: inline;">是</label> <input type="radio" class="form-control" name="issale" id="issale0" value="0"> <label for="issale0" style="display: inline;">否</label> </c:if> <c:if test="${shopProduct.issale=='0'}"> <input type="radio" class="form-control" name="issale" id="issale1" value="1"> <label for="issale1" style="display: inline;">是</label> <input checked="checked" type="radio" class="form-control" name="issale" id="issale0" value="0"> <label for="issale0" style="display: inline;">否</label> </c:if>使用以下方式，需要注意數據庫存儲的類型不要是char，enum
<input type="radio" name="emp.sex" value="1" <c:if test="${info.sex=='1'}" 'checked'/>/>男<input type="radio" name="emp.sex" value="1" <c:if test="${info.sex==0}" 'checked'/>/>女全CSDN的豐（好）色（se）博客，這里有書本看不到的java技術，電影院禁播的電影，歡迎關注QQ群494808400
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