Tang Anping — Wed, 06 Dec 2006 08:39:00 GMT

摘要: 最�q�调了两天的JavaScript�Q�现�ȝ��一下，作�ؓ自己的备忘录�Q�都是一些很��显的例子。有两个jsp文�g�Q�父�H�口parent.jsp <% @ page language = " java " import = " java.util.* " ... 阅读全文

Tang Anping 2006-12-06 16:39 发表评论

Tang Anping — Tue, 05 Dec 2006 01:10:00 GMT

�q�几天的调试�Q��ȝ��了一些JavaScript的经验，如果大家有更好的�Ҏ(gu��)��Q�欢�q�交��！
本�h喜欢以代码的方式交流�Q�不很喜�Ƣ纸上谈��c�?br />elementOper.jsp

<%@ page language="java" import="java.util.*" pageEncoding="GB2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
  <head>
    <base href="<%=basePath%>">

    <title>ElementOpertitle>

    <meta http-equiv="pragma" content="no-cache">
    <meta http-equiv="cache-control" content="no-cache">
    <meta http-equiv="expires" content="0">
    <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
    <meta http-equiv="description" content="This is my page">
    <script type="text/javascript">
        // ��止文�g上传文本框输入文字，然后弹出消息提醒�Q�用得到元素节点�Q�然后清�I�的�Ҏ(gu��)��不行�Q�可以用下面的函数得到需要的效果
        function toolTip() {
            // 得到跨字�W�节�?/span>
            var fileSpan = document.getElementById("fileSpan");
            // 重新�l?lt;span>赋�?/span>
            fileSpan.innerHTML = '"  type="file" value="aaaa" onkeyup="toolTip()">';
            // 弹出提醒信息
            alert("��L��d��面的��览�Q�选择需要上传的文�g�Q?/span>");
        }
        // 初始化文�?/span>
        function initialValue() {
            var txt = document.getElementById("username");
            // 讄��字体颜色
            txt.style.color = "gray";
            // �l�元素赋�?/span>
            txt.value = "--请在�q�里输入姓名--";
        }
        // 清空文本
        function clearText() {
            var txt = document.getElementById("username");
            txt.value = "";
            txt.style.color = "black";
        }
    script>
  head>

  <body onload="initialValue()">
    <form action="" name="fileForm" enctype="multipart/form-data">
        <span id="fileSpan"><input name="fileUpload" title="��L��L��?img src="http://www.aygfsteel.com/images/dot.gif" />"  type="file" value="aaaa" onkeydown="toolTip()">span>

        <table style="background-color: #D4E1EE;border-bottom-color: #cccccc" cellpadding="1"  cellspacing="0" border="0">
            <tr>
                <td style="border-color: gray;">
                    <input type="text" style="border: 0;border-color: gray;" name="username" onfocus="clearText()">
                td>
            tr>
        table>
    form>
  body>
html>

Tang Anping 2006-12-05 09:10 发表评论

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