建议你用select <input type="checkbox" name="checkbox" value="checkbox" onClick="document.all.select.disabled = (!this.checked)">
PHP使用指南
<select name="select" disabled>
<option>一周</option>
<option>一季度</option>
<option>一年</option>
</select>
PHP使用指南
<select name="select" disabled>
<option>一周</option>
<option>一季度</option>
<option>一年</option>
</select>
function selectThis(aa)
{
alert(aa);
}
</script><select name="select" onChange="selectThis(this.value)">
<option>一周</option>
<option>一季度</optio>
<option>一年</option>
</select>