星级选择器

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

演示

 

 

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