Question

html里如何获取file的绝对路径

Answer 1

<script>
     
function pageX(elem){
  return elem.offsetParent?(elem.offsetLeft+pageX(elem.offsetParent)):elem.offsetLeft;
}
     
function setX(elem,pos){
  elem.style.left=pos+"px";
  }  
function fclick(obj,elem){
     var pos = pageX(elem);
     setX(obj,pos);
}
 
function readFile(elem){
    document.getElementById("mytext").value = elem.value;
}
</script>
<form   enctype="multipart/form-data">
<input id="mytext" type="text" readonly="true">&nbsp;<input type="button" onmouseover="fclick(t_file,this)"  value="为了改这">
<input name="upload" type="file"  id="t_file" onchange="readFile(this)" style="position:absolute;filter:alpha(opacity=0);opacity:0;width:30;">
</form>