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js實現下拉菜單效果

2019-11-19 17:22:50
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來源:轉載
供稿:網友

效果圖:

代碼如下:

<!DOCTYPE html><html><head>  <meta charset="utf-8">  <title></title>  <style type="text/css">   *{   margin: 0;   padding: 0;   }   body {   width: 460px;   margin: 0 auto;  font-family: "微軟雅黑"; } .search{  height: 23px;  line-height: 23px;  border-bottom: 1px solid #d4d4d4;  font-weight: 600; } .search img{  float: left;  display: inline-block;  margin-top: 5px; } .search span{  float: left;  font-size: 14px;  margin-left: 4px; } .content1{  height: 254px;  width: 100%;  background: #f5f5f5;  border-top: 1px solid #eaeaea;  padding-top: 10px; } .content1 .content1_div{  width: 90%;  height: 43px;  margin: 5px auto; } .left{  width: 30%;  height: 43px;  border: 1px solid #eaeaea;  font-size: 14px;  text-align: center;  line-height: 43px;  float: left; } .right{  width: 68%;  height:43px;  border: 1px solid #eaeaea;  font-size: 14px;  text-align: center;  line-height: 43px;  float: left;  background: #fff;  margin-left: 3px; } .right .right_select{  display: inline-block;  width: 90%;  height: 20px;  border: none;  border: 1px solid #a4bed4;  text-align: center;  direction: center; } .right_select option{  text-align: center; } .hecha{  text-align: center;  margin-top: 15px; } .jdcxx{  height: 146px;  font-size: 14px;  background: #ebebeb;  background-size:cover;  padding-top: 20px; } .jdcxx p,.jdcsyrxx p{  margin-left: 20px;  font-weight: 600;  line-height: 33.6px;  font-size: 14px; } .jdcxx .xx,.jdcsyrxx .xx{  font-weight: 100; } .jdcsyrxx{  margin-top: 20px;  padding-top: 20px;  height: 146px;  font-size: 20px;  background:#ebebeb;  background-size:cover; } .hcr,.hcsj{  height: 30px;  font-size: 14px;  line-height: 30px;  border-bottom: 1px solid #d4d4d4; } .hcr_left{  display: block;  float: left;  height: 28px;  width: 2px;  margin-top: 1px;  background: #226ed2; } .zc{  width: 100px;  display: block;  float: left;  text-align: right;  margin-left: 10px;  margin-right: 10px; } .xm,.sj{  font-weight: 600; } .xiala_div{  top: 33px;  display: none;  z-index: 600;  border: 1px solid #A4BED4;  width: 253px;  left: 13px; } .xiala_input{  line-height: 21px;  width: 253px;  border: none;  outline: none;  margin: 0;  text-align: center;  cursor: default;  background: #fff;  color: #000; } .xiala_input:hover{  background: #a4bed4; }  </style>  <link rel="stylesheet" type="text/css" />  <script src="http://libs.baidu.com/jquery/2.0.0/jquery.min.js"></script></head><body> <header> <div class="search">  <img width="" src="img/img_09.png"/>  <span>查詢</span> </div> </header> <div class="content1"> <div class="content1_div">  <div class="left">  號牌種類:  </div>  <div class="right" style="position: relative;">  <input type="text" name="" id="" readonly value="小型汽車號牌" class="right_select"/>  <span style="position: absolute;right: 18px;top: 2px;font-size: 10px; color: #a4bed4;" class="xialaan icon-icon09 iconfont" ></span>  <div class="xiala_div" style="position: absolute;top;line-height: 20px;" >   <input type="text" class="xiala_input" readonly name="" id="" value="小型汽車號牌" />   <input type="text" class="xiala_input" readonly name="" id="" value="大型汽車號牌" />   <input type="text" class="xiala_input" readonly name="" id="" value="中型汽車號牌" />  </div>  </div> </div> <div class="content1_div">  <div class="left">  車牌號碼:  </div>  <div class="right" style="position: relative;">  <input type="text" name="" id="" readonly value="魯" class="right_select"/>  <span style="position: absolute;right: 18px;top: 2px;font-size: 10px; color: #a4bed4;" class="xialaan icon-icon09 iconfont" ></span>  <div class="xiala_div" style="position: absolute;top;line-height: 20px;" >   <input type="text" class="xiala_input" readonly name="" id="" value="晉" />   <input type="text" class="xiala_input" readonly name="" id="" value="京" />   <input type="text" class="xiala_input" readonly name="" id="" value="豫" />  </div>  </div> </div> <div class="content1_div">  <div class="left">  </div>  <div class="right" style="position: relative;">  <input type="text" name="" id="" value="A" readonly class="right_select"/>  <span style="position: absolute;right: 18px;top: 2px;font-size: 10px; color: #a4bed4;" class="xialaan icon-icon09 iconfont" ></span>  <div class="xiala_div" style="position: absolute;top;line-height: 20px;" >   <input type="text" class="xiala_input" readonly name="" id="" value="A" />   <input type="text" class="xiala_input" readonly name="" id="" value="B" />   <input type="text" class="xiala_input" readonly name="" id="" value="C" />  </div>  </div> </div> </div> <script type="text/javascript"> var xialakuang = $(".xialaan"); var right_select = $(".right_select"); var xiala_div = $(".xiala_div")  for( var i=0;i<xialakuang.length;i++ ){  xialakuang[i].index = i;  var onOff = true;  var This =i;  xialakuang[i].onclick = function(){   if(onOff) {   for( var j=0;j<xiala_div.length;j++ ){    if( this.index == j ){    xiala_div[j].style.display = 'block';    var xiala_input = xiala_div[j].getElementsByClassName("xiala_input");    if(j==0){     for(var k=0;k<xiala_input.length;k++){      xiala_input[k].index = k;     xiala_input[k].onclick=function(){      var value = xiala_input[this.index].value;      right_select[0].value=value;     $(".xiala_div").css("display", "none")     }    }    }    if(j==1){     for(var k=0;k<xiala_input.length;k++){      xiala_input[k].index = k;     xiala_input[k].onclick=function(){      var value = xiala_input[this.index].value;      right_select[1].value=value;      $(".xiala_div").css("display", "none")     }    }    }     if(j==2){     for(var k=0;k<xiala_input.length;k++){       xiala_input[k].index = k;      xiala_input[k].onclick=function(){      var value = xiala_input[this.index].value;      right_select[2].value=value;      $(".xiala_div").css("display", "none")      }     }     }    }else{    xiala_div[j].style.display = 'none';    }   }   }else{   $(".xiala_div").css("display", "none")   }   onOff=!onOff  }  }  for( var i=0;i<right_select.length;i++ ){  right_select[i].index = i;  var onOff = true;  var This =i;  right_select[i].onclick = function(){   if(onOff) {   for( var j=0;j<xiala_div.length;j++ ){    if( this.index == j ){    xiala_div[j].style.display = 'block';    var xiala_input = xiala_div[j].getElementsByClassName("xiala_input");    if(j==0){     for(var k=0;k<xiala_input.length;k++){      xiala_input[k].index = k;     xiala_input[k].onclick=function(){      var value = xiala_input[this.index].value;      right_select[0].value=value;      $(".xiala_div").css("display", "none")     }    }    }    if(j==1){     for(var k=0;k<xiala_input.length;k++){      xiala_input[k].index = k;     xiala_input[k].onclick=function(){      var value = xiala_input[this.index].value;      right_select[1].value=value;      $(".xiala_div").css("display", "none")     }     }    }     if(j==2){     for(var k=0;k<xiala_input.length;k++){       xiala_input[k].index = k;      xiala_input[k].onclick=function(){      var value = xiala_input[this.index].value;      right_select[2].value=value;      $(".xiala_div").css("display", "none")      }     }     }    }else{    xiala_div[j].style.display = 'none';    }   }   }else{   $(".xiala_div").css("display", "none")   }   onOff=!onOff  }  } </script></body></html>

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