为具有不同ID的复选框添加隐藏的输入:
<input id='testName' type='checkbox' value='Yes' name='testName'><input id='testNameHidden' type='hidden' value='No' name='testName'>
提交表单之前,请根据检查的条件禁用隐藏的输入:
if(document.getElementById("testName").checked) { document.getElementById('testNameHidden').disabled = true;}


