手动排序（javascript）

来源：互连网 作者：佚名 时间：2005-10-23 点击：

手工排序

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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<html>
<head>
    <title>start</title>
      <LINK rel="stylesheet" href="../../css/main.css" type="text/css">
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"></head>
<body MS_POSITIONING="GridLayout">
<FONT face="宋体"></FONT><FONT face="宋体"></FONT><FONT face="宋体"></FONT>
<BR>
<table width="200" border="0" align="center">
   <tr>
    <td class="Title" align="center" nowrap>
     手工排序
    </td>
   </tr>
</table>
<BR>
<form id="Form1" method="post" action="do.asp">
    <table align="center">
      <tr align=center>
        <td width=160><select size=10 name="list1" style="width:120">
          <option value=1>1111111</option>
          <option value=2>2222222</option>
          <option value=3>3333333</option>
          <option value=4>4444444</option>
          <option value=5>5555555</option>
          <option value=6>6666666</option>
          <option value=7>7777777</option>
        </select></td>
        <td><input type="button" value="增加>>>" onclick="add()">
            <br/>
            <br/>
            <input type="button" value="<<<删除" onclick="del()">
        </td>
        <td width=79><select name="seqItem" id="seqItem" size="10" style="width:120">
        </select></td>
        <td width=79><p align="center">
          <input type="button" value="移动到顶部" onClick="doTopItem()">
        </p>
        <p align="center">
          <input type="button" name="Submit" value="向上移动" onClick="doUpItem()">
        </p>
        <p align="center">
          <input type="button" name="Submit" value="向下移动" onClick="doDownItem()" >
        </p>
        <p align="center">
          <input type="button" name="Submit" value="移动到底部" onClick="doBottomItem()">
        </p></td>
      </tr>
    </table>
    <div align="center">
      <input type="button" value="测试" onClick="goClick()">
      <input type="button" value="重置" onClick="doRe()">
      <input type="submit" name="ok" value="提交">
</div>
</form>
<SCRIPT LANGUAGE="javascript">
var seqSelect=document.forms[0].seqItem;
var length=5;

//go top
function doTopItem(){
var length=seqSelect.options.length;
var topV,topT;
var tempV=new Array();
var tempT=new Array();
for(var i=0;i<length;i++){
if(seqSelect.options[i].selected){
    if(i==0)
     return false;
   topV=seqSelect.options[0].value;
    topT=seqSelect.options[0].text;
    seqSelect.options[0].value=seqSelect.options[i].value;
    seqSelect.options[0].text=seqSelect.options[i].text;

    for(var j=1;j<length;j++){
     tempV[j]=seqSelect.options[j].value;
     tempT[j]=seqSelect.options[j].text;
     alert(tempV+" ··· "+tempT);
     if(j==1){
     seqSelect.options[1].value=topV;
     seqSelect.options[1].text=topT;
     }
     else if(j>i){
        break;
     }
        else{
     seqSelect.options[j].value=tempV[j-1];
     seqSelect.options[j].text=tempT[j-1];
     }
    }

    }
}
seqSelect.options[0].selected=true;
}

//go bottom
function doBottomItem(){
var length=seqSelect.options.length;
    var bottomV,bottomT;
var tempV=new Array();
var tempT=new Array();
for(var i=0;i<length;i++){
if(seqSelect.options[i].selected){
    if(i==(length-1))
     return false;
    bottomV=seqSelect.options[length-1].value;
    bottomT=seqSelect.options[length-1].text;
    seqSelect.options[length-1].value=seqSelect.options[i].value;
    seqSelect.options[length-1].text=seqSelect.options[i].text;

     for(var j=length-2;j>=0;j--){
    tempV[j]=seqSelect.options[j].value;
     tempT[j]=seqSelect.options[j].text;
     alert(tempV+" ··· "+tempT);
     if(j==(length-2)){
     seqSelect.options[length-2].value=bottomV;
     seqSelect.options[length-2].text=bottomT;
     }
     else if(j<i){
        break;
     }
        else{
     seqSelect.options[j].value=tempV[j+1];
     seqSelect.options[j].text=tempT[j+1];
     }
    }

    }
}
seqSelect.options[length-1].selected=true;
}

//go up 1
function doUpItem(){
var length=seqSelect.options.length;
var tempV,tempT;
for(var i=0;i<length;i++){
   if(seqSelect.options[i].selected){
    if(i==0)
         return false;
   tempV=seqSelect.options[i-1].value;
   tempT=seqSelect.options[i-1].text;
   seqSelect.options[i-1].value=seqSelect.options[i].value;
   seqSelect.options[i-1].text=seqSelect.options[i].text;
   seqSelect.options[i].value=tempV;
   seqSelect.options[i].text=tempT;
   seqSelect.options[i-1].selected=true;
   break;
   }
}
}

//go down 1
function doDownItem(){
var length=seqSelect.options.length;
var tempV,tempT;
for(var i=0;i<length;i++){
   if(seqSelect.options[i].selected){
   if(i==(length-1))
        return false;
   tempV=seqSelect.options[i+1].value;
   tempT=seqSelect.options[i+1].text;
   seqSelect.options[i+1].value=seqSelect.options[i].value;
   seqSelect.options[i+1].text=seqSelect.options[i].text;
   seqSelect.options[i].value=tempV;
   seqSelect.options[i].text=tempT;
   seqSelect.options[i+1].selected=true;
   break;
   }
}
}

function del()
{
var obj2=document.all.seqItem;
var index=obj2.selectedIndex;
if (index<0) return false;
value=obj2.options[index].value;
text=obj2.options[index].text;
var obj1=document.all.list1;
add_singer(obj1,value,text)
remove_singer(obj2,index)
}
</script>

</body>
</html>

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