（原）各种输入框美化

更新于20161124

 （均可兼容IE8以上）

1. input[type=file]

　　如图

　　      

                     上传图片前                                             上传图片后

<div class="claCreate_ipt">
    <div id="preview">
        <img id="imghead" src='./images/class_img4.png' />
    </div>
    <a href="javascript:;" class="uploadBtn">上传
    <input type="file" onchange="previewImage(this)" />
    </a>  
</div>

.claCreate_ipt{
    padding-left: 18px;
}

.claCreate_ipt input[type=text]{
    border: solid 1px #b29a91;
    border-radius: 10px;
    color: #b29a91;
    padding: 0 20px;
    height: 28px;
    width: 286px;
}

/* 头像上传 */
#imghead {filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=image);}

.uploadBtn, #preview{
    float: left;
}

#imghead{
    width: 118px;
    height: 118px;
}

.uploadBtn {
    position: relative;
    display: inline-block;
    background-color: #ecb43b;
    border-radius: 6px;
    padding: 6px 24px;
    overflow: hidden;
    color: #fff;
    text-indent: 0;
    font-size: 18px;
    top: 78px;
    margin-left: 32px;
       line-height: 26px;
}
.uploadBtn input {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    left: 0;
    opacity: 0;
}
.uploadBtn:hover {
    background-color: #f0b73c;
    text-decoration: none;
}
/* 头像上传 END*/

//图片上传预览    IE是用了滤镜。
function previewImage(file)
{
  var MAXWIDTH  = 118; 
  var MAXHEIGHT = 118;
  var div = document.getElementById('preview');
  if (file.files && file.files[0])
  {
      div.innerHTML ='<img id=imghead>';
      var img = document.getElementById('imghead');
      img.onload = function(){
        var rect = clacImgZoomParam(MAXWIDTH, MAXHEIGHT, img.offsetWidth, img.offsetHeight);
        img.width  =  rect.width;
        img.height =  rect.height;
//                 img.style.marginLeft = rect.left+'px';
        img.style.marginTop = rect.top+'px';
      }
      var reader = new FileReader();
      reader.onload = function(evt){img.src = evt.target.result;}
      reader.readAsDataURL(file.files[0]);
  }
  else //兼容IE
  {
    var sFilter='filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale,src="';
    file.select();
    var src = document.selection.createRange().text;
    div.innerHTML = '<img id=imghead>';
    var img = document.getElementById('imghead');
    img.filters.item('DXImageTransform.Microsoft.AlphaImageLoader').src = src;
    var rect = clacImgZoomParam(MAXWIDTH, MAXHEIGHT, img.offsetWidth, img.offsetHeight);
    status =('rect:'+rect.top+','+rect.left+','+rect.width+','+rect.height);
    div.innerHTML = "<div id=divhead style='"+rect.width+"px;height:"+rect.height+"px;margin-top:"+rect.top+"px;"+sFilter+src+""'></div>";
  }
}
function clacImgZoomParam( maxWidth, maxHeight, width, height ){
    var param = {top:0, left:0, width, height:height};
    if( width>maxWidth || height>maxHeight )
    {
        rateWidth = width / maxWidth;
        rateHeight = height / maxHeight;
         
        if( rateWidth > rateHeight )
        {
            param.width =  maxWidth;
            param.height = Math.round(height / rateWidth);
        }else
        {
            param.width = Math.round(width / rateHeight);
            param.height = maxHeight;
        }
    }
    param.left = Math.round((maxWidth - param.width) / 2);
    param.top = Math.round((maxHeight - param.height) / 2);
    return param;
}

2. select 

 　如图

　　    

<div class="ansIndex_toperSel">
    <select>
        <option>所有科目</option>
        <option>所有科目1</option>
    </select>
</div>

.ansIndex_toperSel{
    float: left;
    width: 140px;
    height: 30px;
    margin: 17px 60px 0 0;
    border: none;
    border-radius: 5px;
    overflow: hidden;
    background: url(../images/select.jpg) no-repeat right #fff;
}

.ansIndex_toperSel select {
   background: transparent;
   width: 170px;
   height: 30px;
   font-size: 16px;
   padding: 0 10px;
   border: none;
   border-radius: 5px;
   -webkit-appearance: none; /*for chrome*/
}