各位老大，如何通过“盘符：\路径\文件名”截取文件名填入input中？？？？（code中希望截取picture中的文件名）

Question

看見這問題都懶得理.這麼簡單的問題也不自己思考一下. ^O^

Answer 1

呵呵。见笑了。。
我快解决了。谢谢

Answer 2

<script language="JavaScript">
<!--
function test()
 {
   var str1=document.myform.picture.value;
   if (str1!=null)
    {
      var bias,dot,long,position_1,position_2
      long=str1.length;      left=str1.toString();
      bias=left.indexOf('\\');
      position_1=bias;      while (bias!=-1)
       { //alert("position_1="+position_1+"");
         left=left.substring(bias+1,long);
         position_1=bias+position_1;
         bias=left.indexOf('\\');
       }      left=str1.toString();
      dot=left.indexOf('.');
      position_2=dot;      while (dot!=-1)
       { //alert("position_2="+position_2+"");
         left=left.substring(dot+1,long);
         position_2=bias+position_2;
         dot=left.indexOf('.');
       }
      
      document.myform.imginfo.value=str1.substring(position_1+1,position_2+1);
    }
 }
//-->
</script>
     <form name="myform" ENCTYPE="multipart/form-data" ACTION="UploadReport.asp" METHOD="POST" onSubmit="MM_validateForm('imginfo','','R');if (document.MM_returnValue==true) {return funblnMsg('是否上传报表');} else {return document.MM_returnValue;}" >
                                   <table align=center border="1" width="100%" bordercolor="#FFFFFF" cellpadding="0" cellspacing="0" bordercolorlight="silver">
                                       <tr>
                                        <td>报表文件：</td>
                                        <td> 
                                          <input NAME="picture" TYPE="FILE" class="TextBorder"> 
                                         </td> 
                                         
                                         </tr> 
                                         <TR> 
                                        <TD>  报表名：</td>
                                        <TD> <input type="text" name="imginfo"  class="TextBorder" size=50>(最多50个字符)
                                              <input type="button" value="获取" onclick="test()" class="button">
</form>