实现区县和街道二级关联 var qxj = document.getElementById('map_qyssqx'); getStandCodeTableResult('qxdm','011',qxj,1); if('${map.qyssqx}'!=''){ document.getElementById('map_qyssqx').value='${map.qyssqx}'; } $("#map_qyssqx").on('change',function() { findJdByQx($(this).val()); })   function findJdByQx(qxId){ var sys = document.getElementById('map_qyssjd'); getStandCodeTableResult("jddm",qxId, sys,1); }   页面代码 <view:qrytr>     <view:qrytd width="15%" heightshow="true">所属区县：</view:qrytd>     <view:qrytd width="35%" >      <select id="map_qyssqx" name="map.qyssqx"/>        </view:qrytd>     <view:qrytd width="15%" heightshow="true">所属街道：</view:qrytd>     <view:qrytd width="35%" >    <select id="map_qyssjd" name="map.qyssjd"/>      </view:qrytd>      </view:qrytr>

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