星级选择器 提交代码
星级选择器,提交代码适用于评论等
没有用到js库,就是单独的js代码
XML/HTML Code
- <form action="" method="get">
- <div id="star_level" star_width="14">
- <p>服务</p>
- <ul class="star_rating">
- <li style="display:none;">
- <input type="text" name="serve" value="" />
- </li>
- <li class="current_rating">default level</li>
- <li><a href="#" title="1 of 5 stars" class="one_star">1</a></li>
- <li><a href="#" title="2 of 5 stars" class="two_stars">2</a></li>
- <li><a href="#" title="3 of 5 stars" class="three_stars">3</a></li>
- <li><a href="#" title="4 of 5 stars" class="four_stars">4</a></li>
- <li><a href="#" title="5 of 5 stars" class="five_stars">5</a></li>
- </ul>
- <p>价格</p>
- <ul class="star_rating">
- <li style="display:none;">
- <input type="text" name="price" value="" title="这里设置为2的话,表示默认2颗星亮。" />
- </li>
- <li class="current_rating">default level</li>
- <li><a href="#" title="1 of 5 stars" class="one_star">1</a></li>
- <li><a href="#" title="2 of 5 stars" class="two_stars">2</a></li>
- <li><a href="#" title="3 of 5 stars" class="three_stars">3</a></li>
- <li><a href="#" title="4 of 5 stars" class="four_stars">4</a></li>
- <li><a href="#" title="5 of 5 stars" class="five_stars">5</a></li>
- </ul>
- <p>质量</p>
- <ul class="star_rating">
- <li style="display:none;">
- <input type="text" name="mass" value="" />
- </li>
- <li class="current_rating">default level</li>
- <li><a href="#" title="1 of 5 stars" class="one_star">1</a></li>
- <li><a href="#" title="2 of 5 stars" class="two_stars">2</a></li>
- <li><a href="#" title="3 of 5 stars" class="three_stars">3</a></li>
- <li><a href="#" title="4 of 5 stars" class="four_stars">4</a></li>
- <li><a href="#" title="5 of 5 stars" class="five_stars">5</a></li>
- </ul>
- </div>
- <input type="submit" value="提交后请看地址栏的参数" />
- </form>
XML/HTML Code
- <script type="text/javascript">
- <!--
- function __start(){
- var initialize_width=0;
- if(document.getElelmentById){return false};
- if(document.getElementsByTagName==null){return false;}
- var startLevelObj=document.getElementById("star_level")
- if(startLevelObj==null){return false;}
- initialize_width=parseInt(startLevelObj.getAttribute("star_width"),10);
- if(isNaN(initialize_width) || initialize_width==0){return false;}
- var ul_obj=startLevelObj.getElementsByTagName("ul");
- if(ul_obj.length<1){return false;}
- var length=ul_obj.length;
- var li_length=0;
- var a_length=0;
- var li_obj=null;
- var a_obj=null;
- var defaultInputObj=null;
- var defaultValue=null;
- for(var i=0;i<length;i++){
- li_obj=ul_obj[i].getElementsByTagName("li");
- li_length=li_obj.length;
- if(li_length<0){return false;}
- //获取默认值
- defaultInputObj=li_obj[0].getElementsByTagName("input");if(!defaultInputObj){return false;}
- defaultValue=parseInt(defaultInputObj[0].value,10);
- if(!isNaN(defaultValue) && defaultValue!=0){
- //alert("有初始值!");
- //li_obj[1].style.width=initialize_width*defaultValue+"px";
- //defaultValue=0;
- }
- for(var j=0;j<li_length;j++){
- a_obj=li_obj[j].getElementsByTagName("a");
- if(a_obj.length<1){continue;}
- if(a_obj[0].className.indexOf("star")>0){
- a_obj[0].onclick=function(){
- return give_value(this);
- }
- a_obj[0].onfocus=function(){
- this.blur();
- }
- }
- }
- }
- }
- function give_value(obj){
- var status=true;
- var parent_obj=obj.parentNode;
- var i=0;
- while(status){
- i++;
- if(parent_obj.nodeName=="UL"){break;}
- parent_objparent_obj=parent_obj.parentNode;
- if(i>1000){break;}//防止找不到ul发生死循环
- }
- var hidden_input=parent_obj.getElementsByTagName("input")[0];
- if(hidden_input.length<1){/*alert("sorry?nprogram error!")*/;}
- var txt=obj.firstChild.nodeValue;//确保不能存在空格哦,因为这里用的firstChild
- if(isNaN(parseInt(txt,10))){/*alert('level error!')*/;return false;}
- hidden_input.setAttribute("value",txt.toString());
- //固定选中状态,先找到初始化颜色那个li
- var current_li=parent_obj.getElementsByTagName("li");
- var length=current_li.length;
- var ok_li_obj=null;
- for(var i=0;i<length;i++){
- if(current_li[i].className.indexOf("current_rating")>=0){
- ok_li_obj=current_li[i];break;//找到
- }
- }
- __current_width=txt*14;
- ok_li_obj.style.width=__current_width+"px";
- return false;
- }
- __start();
- //-->
- </script>
CSS Code
- body{font-size:12px;}
- ul{padding:0;margin:0;}
- /*star.css*/
- .star_rating {list-style:none;margin:-1px 0 0 -1px; padding:0; width:70px; height:12px; position:relative; background:url(rating_stars.gif) 0 0 repeat-x; overflow:hidden;font-size:0;}
- .star_rating li{padding:0;margin:0;float:left;}
- .star_rating li a{display:block;width:14px;height:12px;text-decoration:none;text-indent:-9000px;z-index:20;position:absolute;padding:0;margin:0;}
- .star_rating li a:hover{background:url(rating_stars.gif) 0 12px;z-index:2;left:0;}
- .star_rating a.one_star{left:0;}
- .star_rating a.one_star:hover{width:14px;}
- .star_rating a.two_stars{left:14px;}
- .star_rating a.two_stars:hover{width:28px;}
- .star_rating a.three_stars{left:28px;}
- .star_rating a.three_stars:hover{width:42px;}
- .star_rating a.four_stars{left:42px;}
- .star_rating a.four_stars:hover{width:56px;}
- .star_rating a.five_stars{left:56px;}
- .star_rating a.five_stars:hover{width:70px;}
- .star_rating li.current_rating{background:url(rating_stars.gif) 0 24px;position:absolute;height:12px;display:block;text-indent:-9000px;z-index:1;left:0;}
- /*end star.css*/
- #star_level{margin:0 0 20px 20px;}
- #star_level p{margin:20px 0 5px 0;}
原文地址:http://www.freejs.net/article_biaodan_59.html