初学PHP想实现一个简单的功能:
一排3个radio,默认选择的是第一个,按下Example键可以直接选中第三个。<form name="Search_Form" action="result.php" method="POST" id="Form">
<input type="radio" name="Radio" id="Radio" value="1" checked />
<input type="radio" name="Radio" id="Radio" value="2" />
<input type="radio" name="Radio" id="Radio" value="3" />
<input name="Example" type="button" value="Example" onclick="window.document.Form.Radio.value='3';" />
</form>
一排3个radio,默认选择的是第一个,按下Example键可以直接选中第三个。<form name="Search_Form" action="result.php" method="POST" id="Form">
<input type="radio" name="Radio" id="Radio" value="1" checked />
<input type="radio" name="Radio" id="Radio" value="2" />
<input type="radio" name="Radio" id="Radio" value="3" />
<input name="Example" type="button" value="Example" onclick="window.document.Form.Radio.value='3';" />
</form>
<form name="Search_Form" action="result.php" method="POST" id="Form">
<input type="radio" name="Radio" id="Radio" value="1" checked />
<input type="radio" name="Radio" id="Radio" value="2" />
<input type="radio" name="Radio" id="Radio" value="3" />
<input name="Example" type="button" value="Example" onclick="document.Search_Form.elements('radio')[2].checked=true;" />
</form>
<input type="radio" name="Radio" id="Radio1" value="1" checked />
<input type="radio" name="Radio" id="Radio2" value="2" />
<input type="radio" name="Radio" id="Radio3" value="3" />
<input name="Example" type="button" value="Example" onclick="document.getElementById('Radio3').checked=true;" />
</form>
另外我需要id相同,因为还有6组Radio,每组同一个id