checkbox选中后才能input中输入: <input type="checkbox" name="" value="a" onClick="if (name01.disabled==false){ name01.disabled=true;this.value='enable';show() } else { name01.disabled=false;name01.value='';this.value='a'}" />订阅 <input name="" id="name01" type="text" class="b" disabled='false'/>本 转载于:https://blog.51cto.com/xuqin/936205