对于查询按钮不满足条件不能查询不能提交的验证

对于查询提交表单， 必须选条件的否则不能提交：  在提交的buton上加一个点击事件，通过返回的true或是flase来决定是否提交

<div class="bjui-pageHeader"><form id="pagerForm" action="${base}/bankOrderDetailStatistic/queryByCondition.htm" data-toggle="ajaxsearch" class="pageForm" data-toggle="validate" method="post"><#include "/common/hidden.html" ><fieldset><legend>查询条件</legend><table width="100%"><tr><td width="20%"><table><tr><td align="right"><label class="control-label x80">对账日期：</label></td><td align="left"><select name="reconDate" id="reconDate" data-toggle="selectpicker" data-width="150"><option value="">请选择</option> <#list reconDateList as reDate><option value="${reDate}"<#if reconDate?string == reDate?string>selected</#if>>${reDate!''}</option> </#list></select></td></tr></table></td><td width="80%"><table><tr><td align="right"><label class="control-label x80">银行渠道：</label></td><td align="left"><select name="bankNo" id="j_form_bank_${commonForm.random}" data-toggle="selectpicker" data-nextselect="#j_form_channel_${commonForm.random}"data-refurl="${base}/base/common.htm?method=autoChannel&bankNo={value}&random=${commonForm.random}"><option value="">请选择</option> <#if commonForm?? && commonForm.l_banks??> <#list commonForm.l_banks as bank><option value="${bank.bankId}"<#if commonForm.bankNo?exists&&commonForm.bankNo==bank.bankId>selected</#if>> ${bank.bankName!""}</option> </#list> </#if></select> <select name="channelNo" class="channelNo" id="j_form_channel_${commonForm.random}" data-toggle="selectpicker" data-val="${commonForm.channelNo!''}"data-emptytxt="请选择" /></td></tr></table></td></tr><tr height="40"><td width="30%"></td><td align="left" width="30%"><button type="submit" onclick="return checkForm()" class="btn-default" size="8">查询</button>  </td><td width="30"></td></tr></table></fieldset></form></div><div class="bjui-pageContent"><table class="table table-bordered table-hover table-striped table-top" data-selected-multi="true"><thead><tr><th align="center">对账日期</th><th align="center">渠道名称</th><th align="center">交易类型</th><th align="center">交易额</th><th align="center">成本</th><th align="center">结算额</th><th align="center">操作</th></tr></thead><tbody><#if bankOrderDetailStaticList??> <#list bankOrderDetailStaticList as bankOrderDetailStaticDto><tr><td align="center">${reconDate!''}</td><td align="center">${channelName!''}</td><td align="center"><#list transTypeAndBankTransType as ttab> <#if bankOrderDetailStaticDto.transType?? && bankOrderDetailStaticDto.transType?string== ttab.key>${ttab.value!''} </#if> </#list></td><td align="center"><#if bankOrderDetailStaticDto.orderAmounts??> ${(bankOrderDetailStaticDto.orderAmounts/1000)?string(',##0.00')!''} </#if></td><td align="center"><#if bankOrderDetailStaticDto.costs?? > ${(bankOrderDetailStaticDto.costs/1000)?string(',##0.00')!''} </#if></td><td align="center"><#if bankOrderDetailStaticDto.settleAmounts??> ${(bankOrderDetailStaticDto.settleAmounts/1000)?string(',##0.00')!''} </#if></td><td align="center"><#if bankOrderDetailStaticDto.transType ?? && bankOrderDetailStaticDto.transType==14 > <ahref="${base}/bankOrderDetailStatistic/queryBatchUpdateList.htm?reconDate=${reconDate!''}&channelNo=${channelNo!''}" data-id="fund_adjust_dialog" data-toggle="dialog"data-mask="true" data-title="查看明细" data-width="1100" data-height="500" data-toggle="doajax">查看明细</a>  </#if></td></tr></#list> </#if></tbody></table></div><script type="text/javascript">function openUpdateView(ids){var channelNo = $(".channelNo").val();var reconDate = $("#reconDate").val();console.log("ids:"+ids);console.log("reconDate:"+reconDate);console.log("channelNo:"+channelNo);var sum = ids + "_" +reconDate + "_" +channelNo;$(window).dialog({id:'mydialog', url:'${base}/bankOrderDetailStatistic/batchUpdateDetail.htm?ids='+ids+'&channelNo='+channelNo+'&reconDate='+reconDate,title:'交易类型修改',width:400,height:350, fresh:true})}function checkForm() {var channelNo = $(".channelNo").val();var reconDate = $("#reconDate").val();if (channelNo == "" || channelNo == null) {$(this).alertmsg("error", '渠道不能为空');return false;}if (reconDate == "" || reconDate == null) {$(this).alertmsg("error", '日期不能为空');return false;}return true;}</script>