{"id":106,"date":"2010-05-04T15:44:08","date_gmt":"2010-05-04T07:44:08","guid":{"rendered":"http:\/\/www.xiaojia.info\/?p=106"},"modified":"2011-06-10T10:42:23","modified_gmt":"2011-06-10T02:42:23","slug":"jscheckbox","status":"publish","type":"post","link":"https:\/\/www.luja.cc\/?p=106","title":{"rendered":"js\u5b9e\u73b0checkbox(\u590d\u9009\u6846)\u53ea\u80fd\u9009\u62e9\u4e24\u4e2a"},"content":{"rendered":"

js\u4ee3\u7801\u5b9e\u73b0checkbox(\u590d\u9009\u6846)\u53ea\u80fd\u9009\u62e9\u51e0\u4e2a\u3002
\n1\uff0c\u5f39\u51fa\u63d0\u793a\u5bf9\u8bdd\u6846\u6a21\u5f0f<\/strong>
\nhtml\u4ee3\u7801\u793a\u4f8b\uff1a
\n[html]
\n<script language="javascript">
\n<!–
\nfunction affirm(t)
\n{
\n\tvar ipt = document.getElementsByTagName("input");
\n\tvar i = 0;
\n\tvar allownum = 2;\/\/\u5b9a\u4e49\u6700\u591a\u80fd\u9009\u62e9\u7684\u4e2a\u6570
\n\tfor(var j = 0; j < ipt.length; j++)
\n\t{
\n\t\tif(ipt[j].type == "checkbox" && ipt[j].checked)
\n\t\ti++;
\n\t}
\n\tif(i > allownum)
\n\t{
\n\t\talert("\u4f60\u6700\u591a\u53ea\u80fd\u9009\u62e9"+ allownum +"\u9879\uff01");
\n\t\tt.checked = false;
\n\t}
\n}
\n\/\/–>
\n<\/script>
\n<input type="checkbox" name="checkbox" value="1" onclick="affirm(this)" \/>1
\n<input type="checkbox" name="checkbox" value="2" onclick="affirm(this)" \/>2
\n<input type="checkbox" name="checkbox" value="3" onclick="affirm(this)" \/>3
\n<input type="checkbox" name="checkbox" value="4" onclick="affirm(this)" \/>4
\n[\/html]<\/p>\n

2\uff0c\u9009\u62e9\u51e0\u9879\u540e\uff0c\u5176\u5b83\u590d\u9009\u6846\u53d8\u4e3a\u4e0d\u53ef\u9009\u6a21\u5f0f\u3002<\/strong>
\nhtml\u4ee3\u7801\u793a\u4f8b\uff1a
\n[html]
\n<script language="javascript">
\n<!–
\nfunction affirm(t,num)
\n{
\n\tvar ipt = document.getElementsByTagName("input");
\n\tvar i = 0;
\n\tvar allownum = 2;\/\/\u5b9a\u4e49\u6700\u591a\u80fd\u9009\u62e9\u7684\u4e2a\u6570
\n\tfor(var j = 0; j < ipt.length; j++)
\n\t{
\n\t\tif(ipt[j].type == "checkbox" && ipt[j].checked)
\n\t\ti++;
\n\t}
\n\tif(i > allownum – 1)
\n\t{
\n\t\tfor(var z = 1; z <= num; z++)
\n\t\t{
\n\t\t\tif(document.getElementById("cb"+z).checked == true)
\n\t\t\t{
\n\t\t\t\tdocument.getElementById("cb"+z).disabled = "";
\n\t\t\t}
\n\t\t\telse
\n\t\t\t{
\n\t\t\t\tdocument.getElementById("cb"+z).disabled = "disabled";
\n\t\t\t}
\n\t\t}
\n\t}
\n\telse
\n\t{
\n\t\tfor(var z = 1; z <= num; z++)
\n\t\t{
\n\t\t\tdocument.getElementById("cb"+z).disabled = "";
\n\t\t}
\n\t}
\n}
\n\/\/–>
\n<\/script>
\n<input type="checkbox" name="checkbox" id="cb1" value="1" onclick="affirm(this,4)" \/>1
\n<input type="checkbox" name="checkbox" id="cb2" value="2" onclick="affirm(this,4)" \/>2
\n<input type="checkbox" name="checkbox" id="cb3" value="3" onclick="affirm(this,4)" \/>3
\n<input type="checkbox" name="checkbox" id="cb4" value="4" onclick="affirm(this,4)" \/>4
\n[\/html]<\/p>\n

\u4e0e\u6570\u636e\u5e93\u8fde\u63a5\u5173\u8054\u8d77\u6765
\n[html]
\n<script language="javascript">
\n<!–
\nfunction affirm(t,num)
\n{
\n\tvar ipt = document.getElementsByTagName("input");
\n\tvar i = 0;
\n\tvar allownum = 2;\/\/\u5b9a\u4e49\u6700\u591a\u80fd\u9009\u62e9\u7684\u4e2a\u6570
\n\tfor(var j = 0; j < ipt.length; j++)
\n\t{
\n\t\tif(ipt[j].type == "checkbox" && ipt[j].checked)
\n\t\ti++;
\n\t}
\n\tif(i > allownum – 1)
\n\t{
\n\t\tfor(var z = 1; z <= num; z++)
\n\t\t{
\n\t\t\tif(document.getElementById("cb"+z).checked == true)
\n\t\t\t{
\n\t\t\t\tdocument.getElementById("cb"+z).disabled = "";
\n\t\t\t}
\n\t\t\telse
\n\t\t\t{
\n\t\t\t\tdocument.getElementById("cb"+z).disabled = "disabled";
\n\t\t\t}
\n\t\t}
\n\t}
\n\telse
\n\t{
\n\t\tfor(var z = 1; z <= num; z++)
\n\t\t{
\n\t\t\tdocument.getElementById("cb"+z).disabled = "";
\n\t\t}
\n\t}
\n}
\n\/\/–>
\n<\/script>
\n<%
\nset rs = server.CreateObject("adodb.recordset")
\nsql = "select * from type"
\nrs.open sql,conn,1,1
\ni = 1
\nnum = rs.recordcount
\ndo while not rs.eof
\n%>
\n<input type="checkbox" name="checkbox" id="cb<%=i%>" value="<%=rs("id")%>" onclick="affirm(this,<%=num%>)" \/><%=rs("value")%>
\n<%
\ni = i + 1
\nrs.movenext
\nloop
\nrs.close()
\nset rs = nothing
\n%>
\n[\/html]<\/p>\n","protected":false},"excerpt":{"rendered":"

js\u4ee3\u7801\u5b9e\u73b0checkbox(\u590d\u9009\u6846)\u53ea\u80fd\u9009\u62e9\u51e0\u4e2a\u3002 1\uff0c\u5f39\u51fa\u63d0\u793a\u5bf9\u8bdd\u6846\u6a21\u5f0f html\u4ee3\u7801\u793a\u4f8b\uff1a<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[43],"tags":[17],"_links":{"self":[{"href":"https:\/\/www.luja.cc\/index.php?rest_route=\/wp\/v2\/posts\/106"}],"collection":[{"href":"https:\/\/www.luja.cc\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.luja.cc\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.luja.cc\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.luja.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=106"}],"version-history":[{"count":8,"href":"https:\/\/www.luja.cc\/index.php?rest_route=\/wp\/v2\/posts\/106\/revisions"}],"predecessor-version":[{"id":347,"href":"https:\/\/www.luja.cc\/index.php?rest_route=\/wp\/v2\/posts\/106\/revisions\/347"}],"wp:attachment":[{"href":"https:\/\/www.luja.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=106"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.luja.cc\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=106"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.luja.cc\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=106"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}