新手上路，求詳解。里面的重置每次點擊，都會出現資料清空，但每次密碼錯誤，還是無法重置密碼，但我只需要重置密碼，如何修改-有解無憂

<%@ page language="java" pageEncoding="UTF-8"%>
<%
    String path = request.getContextPath();
    String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<head>
<title>login.jsp</title>
<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">

    <link rel="stylesheet" type="text/css" href="https://bbs.csdn.net/topics//css/style.css">
    <style type="text/css">
    body
    {
   margin-left: 0px;
   background-image: url(<%=path %>/img/bhj.jpg);
    }
    .style2 {color: #990000}
    .input2
    {
   font-size: 12px;
   border: 3px double #A8D0EE;
   color: #344898;
    }
    .submit1
    {
   border: 3px double #416C9C;
   height: 22px;
   width: 45px;
   background-color: #F2F2F2;
   font-size: 12px;
   padding-top: 1px;
   background-image: url(bt.gif);
   cursor: hand;
    }
    .STYLE12 {font-family: Georgia, "Times New Roman", Times, serif}
    .STYLE13 {color: #316BD6; }
    .STYLE15 {color: #fdsere; font-size: 9pt; }
</style>

<script type='text/javascript' src='https://bbs.csdn.net/topics//dwr/interface/loginService.js'></script>
<script type='text/javascript' src='https://bbs.csdn.net/topics//dwr/engine.js'></script>
<script type='text/javascript' src='https://bbs.csdn.net/topics//dwr/util.js'></script>

<script language="javascript">// 腳本語言是javascript
function check1()
{
     if(document.ThisForm.userName.valuehttps://bbs.csdn.net/topics/=="")//如果userName的值為空，那么
{
alert("請輸入用戶名");//彈出一個警告視窗資訊為，請輸入用戶名
document.ThisForm.userName.focus();//然后焦點或游標會定位在這個為空的文本框里
return false;//回傳一個失敗
}
if(document.ThisForm.userPw.valuehttps://bbs.csdn.net/topics/=="")//如果userPw的值為空，那么
{
alert("請輸入密碼");
document.ThisForm.userPw.focus();
return false;
}
document.getElementById("indicator").style.display="block";//獲取當前頁面里面的id為indicator的標簽，改變該標簽的樣式，使其滿眶顯示
loginService.login(document.ThisForm.userName.value,document.ThisForm.userPw.value,0,callback);//回呼函式，當login執行完成后，login會回呼callback方法
}

function callback(data)//回呼函式
{
    document.getElementById("indicator").style.display="none";//獲取當前頁面里面的id為indicator的標簽，改變該標簽的樣式，使其不顯示
    if(datahttps://bbs.csdn.net/topics/=="no")
    {
        alert("用戶名或密碼錯誤");

    }
    if(datahttps://bbs.csdn.net/topics/=="yes")
    {
        alert("通過驗證,系統登錄成功");
        window.location.href="https://bbs.csdn.net/topics//loginSuccess.jsp";//跳轉到loginSuccess.jsp頁面
    }
}
</script>
</head>
<body>

<body>
<br>
<br>
<br>
<br>
<table width="559" height="423" border="0" align="center" cellpadding="0" cellspacing="0"  background="<%=path %>/img/dfff.jpg">
<tr>
    <td><div align="center" style="FONT-WEIGHT: bold; FONT-SIZE: 33pt;">校園二手書交易平臺</div></td>
</tr>
<tr>
<td width="559">
<form name="ThisForm" method="POST" action="">
<table width="410" height="198" border="0" align="right" cellpadding="0" cellspacing="0">
<tr>
<td height="10" colspan="2"></td>
</tr>
        <tr>
    <td width="54" height="22" valign="bottom">
    <span class="STYLE15" >用戶名：</span>
</td>
<td width="356" valign="bottom">
        <input name="userName"  type="text" class="input2" onMouseOver="this.style.background='#F0DAF3';" onMouseOut="this.style.background='#FFFFFF'">
</td>
</tr>
<tr>
<td height="10" colspan="2" valign="bottom"></td>
</tr>
<tr>
<td height="31" colspan="2" valign="top" class="STYLE15">
     密   碼：
<input name="userPw" type="password" size="21" class="input2" align="bottom" onMouseOver="this.style.background='#F0DAF3';" onMouseOut="this.style.background='#FFFFFF'">
</td>
</tr>
<tr>
<td height="10" colspan="2" valign="bottom"></td>
</tr>
<tr>
<td colspan="2" valign="top">       
<input name="button" type="button" class="submit1" value="https://bbs.csdn.net/topics/登錄" onClick="check1()">      
<input name="Submit2" type="reset" class="submit1" value="https://bbs.csdn.net/topics/重置">
<img id="indicator" src="https://bbs.csdn.net/topics//img/loading.gif" style="display:none"/>
</td>
    </tr>
                </table>
        </form>
        </td>
     </tr>
    </table>
</body>

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{

        alert("用戶名或密碼錯誤");

        document.ThisForm.reset()

    }

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標籤：JavaScript

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