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  • <form id="hz9zz"></form>

      <nobr id="hz9zz"></nobr>

      <form id="hz9zz"></form>

    1. 明輝手游網中心:是一個免費提供流行視頻軟件教程、在線學習分享的學習平臺!

      對于怎么動態地在同一頁面完成2個<select>互傳 

      [摘要]關于如何動態地在同一頁面實現兩個<select>互傳 (s1 <==> s2) (jaklin ) hell...
      關于如何動態地在同一頁面實現兩個<select>互傳  (s1 <==> s2)
           
                           (jaklin )
          

          hello! 先祝大家中秋節快樂!

          我們常常會碰到這樣一個問題: 如何將在同一頁面上的一個<select>或<listbox>的值傳到另一個<select>或<listbox>中 ?這是一個很煩人的問題?墒怯袝r候你偏偏會遇到。 那什么辦呢?

           下面是我“煙酒”了一個上午, 現貼上來讓大家共享。 用的方法是很笨也挺麻煩。不過總是有點成就感的。呵呵!大家看看, 指點指點.....

      <%@ Language=VBScript %>
      <HTML>
      <HEAD>
      <META NAME="GENERATOR" Content="Microsoft Visual Studio 6.0">
      </HEAD>
      <script language="vbscript">

      </script>
      <body bgcolor="#ffffff">
      <form name="form1"  action="test01.asp" target="_self">
      <p><TEXTAREA id=text01 name=text01></TEXTAREA></p>
      <table>
         <tr>
           <td>
             <select name="select1" language="javascript" size=5>
          <option value=11111>11111</option>
          <option value=22222>22222</option>
          <option value=33333>33333</option>
             </select>
           </td>
           <td>
          <label onClick=do_select()><font color=#ff00dc><u>->> </u></font> </label><br><br>
          <label onClick=do_select2()><font color=#ff00dc><u><<- </u></font> </label>
           </td>
          <%  
           str="function do_select() {" & vbCrlf & _
                   "if (document.form1.select1.options.length > 0) {"&vbCrlf&_
               "var j=0;"&vbCrlf&_
               "for(var i=0;i<document.form1.select1.options.length;i++) {"&vbCrlf & _
               "if(document.form1.select1.options(i).selected) {"&vbCrlf& _
                   "j=j+1; break" & vbCrlf & "}"&vbCrlf & "}"&vbCrlf& _
               "if (j > 0) {"&vbCrlf&_                    "document.form1.sel2.options[document.form1.sel2.options.length] = new Option(" &  _
                    "document.form1.select1.options[document.form1.select1.selectedIndex].value,"  & _
                    "document.form1.select1.options[document.form1.select1.selectedIndex].value);"& vbCrlf
          Response.Write "<td><SELECT id=sel2  name=sel2 size=5>"
          Response.Write "</select></td>"
                str=str&vbCrlf&"document.form1.select1.options[document.form1.select1.selectedIndex]=null;"&vbCrlf & _
          "if (document.form1.select1.options.length > 1) {"&vbCrlf   '&_
          str=str&vbCrlf & "}" & vbCrlf & "}" & vbCrlf& "}" & vbCrlf& "}" & vbCrlf
          Response.Write "<SCR"& "IPT LANGUAGE=""JavaScript"">" & vbCrlf
          Response.Write str & vbCrlf & "</SCR"&"IPT>"& vbCrlf
                    
              %>
            
          <%
          str=""
          str="function do_select2() {" & vbCrlf & _
          "if (document.form1.sel2.options.length > 0) {"&vbCrlf&_
          "var j=0;"&vbCrlf&_
          "for(var i=0;i<document.form1.sel2.options.length;i++) {"&vbCrlf & _
          "if(document.form1.sel2.options(i).selected) {"&vbCrlf& _
          "j=j+1; break" & vbCrlf & "}"&vbCrlf & "}"&vbCrlf& _
          "if (j > 0) {"&vbCrlf&_
                     "document.form1.select1.options[document.form1.select1.options.length] = new Option(" &  _
                    "document.form1.sel2.options[document.form1.sel2.selectedIndex].value,"  & _
                    "document.form1.sel2.options[document.form1.sel2.selectedIndex].value);"& vbCrlf
                 str=str&"document.form1.sel2.options[document.form1.sel2.selectedIndex] =null;" & vbCrlf &"}"& vbCrlf &"}"& vbCrlf &"}"
          Response.Write "<SCR"& "IPT LANGUAGE=""JavaScript"">" & vbCrlf
          Response.Write str & vbCrlf & "</SCR"&"IPT>"& vbCrlf
          %>
             
           </tr>
        </table>
      </form>
      </body>
      </HTML>

            很笨吧, 哈哈!
            若那位大蝦有更好的方法, 可別忘了給我寄上一份哦。
            E_Mail: fz_chenjl@163.net





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