1 <script type="text/javascript">
2 function checkAll(name) {
3 var el = document.getElementsByTagName('input');
4 var len = el.length;
5 for (var i = 0; i < len; i++) {
6 if ((el[i].type == "checkbox") && (el[i].name == name)) {
7 el[i].checked = true;
8 }
9 }
10 }
11 function clearAll(name) {
12 var el = document.getElementsByTagName('input');
13 var len = el.length;
14 for (var i = 0; i < len; i++) {
15 if ((el[i].type == "checkbox") && (el[i].name == name)) {
16 el[i].checked = false;
17 }
18 }
19 }
20 </script>
1 <form action="result.jsp">
2 <input type="checkbox" name="test1" value=""
3 onclick="if(this.checked==true) { checkAll('test'); } else { clearAll('test'); }" />
4 字母全选开关 <input type="checkbox" name="test" value="a" /> a <input
5 type="checkbox" name="test" value="b" /> b <input type="checkbox"
6 name="test" value="c" /> c <input type="checkbox" name="test"
7 value="d" /> d <input type="submit" value="submit" />
8 </form>
1 <%
2 String list[] = request.getParameterValues("test");
3 for(String s:list){
4 %>
5 <%=s %>
6 <%} %>
