It is necessary to judge the value of the selection input box, and perform business verification according to different selection situations.
When the selection input box is selected, 0-unlock
Judging 0=='' turned out to be true. Cause the prompt is wrong, please select the operation! The choice has actually been made.
jsp code
<tr>
<td class="td_right"><span class="required">*</span>锁定状态:</td>
<td> <cw:text property="treatment_bie029" readOnly="true" id="treatment_bie029" > </cw:text>
<%-- <cw:combobox id="treatment_bie029" property="ac63.bie029" readOnly="true"
listeners="{'check':changeBie029}" forceSelection="true"/> --%>
</td>
<td class="td_right"><span class="required">*</span>请选择操作</td>
<td><cw:combobox id="bie029" property="bie029"
data="[[0,'unlocked'],[1,'locked'],[-1,'unselected']]" value="-1" forceSelection="true"/> </td>
<td class="td_right">Lock Reason:</td>
<td><cw:text property="biz005" ></cw:text> </td>
</tr>
javascript code
alert(bie029);//0
alert(bie029==null);//false
alert(bie029 == '');//true ????
alert(bie029 == '-1');//false
if (bie029 == null || bie029 == ''|| bie029 == '-1') {
Wonders.Msg.info('Friendly reminder: Please select an operation first!', 'Tips', function() {
});
return;
}