为什么啊明明是数值,就是到联接位置运算不成呢,请问请问,
日期：2014-05-18 浏览次数：20678 次
为什么啊,明明是数值,就是到联接位置运算不成呢,请教请教,求助!!
<%@ page contentType= "text/html; charset=gb2312 " language= "java " import= "java.sql.* " import= "java.lang.String " errorPage= " " %>
<%
request.setCharacterEncoding( "gb2312 ");
%>
<%@ include file= "conn.jsp "%>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 " />
<title> 无标题文档 </title>
<link href= "css/Style.css " type= "text/css " rel= "stylesheet " />
</head>
<body>
<table width= "700 " border= "0 " align= "center " cellpadding= "0 " cellspacing= "0 " bordercolor= "#D4D0C8 ">
<tr>
<td> <div align= "center "> 人员管理 </div> </td>
</tr>
<tr>
<td> <form id= "form1 " name= "form1 " method= "post " action= " ">
<table width= "400 " border= "1 " align= "center " cellpadding= "0 " cellspacing= "0 " bordercolor= "#D4D0C8 ">
<tr>
<td colspan= "2 "> </td>
</tr>
<tr>
<td> 姓名 </td>
<td> <label>
<input type= "text " name= "textfield " />
</label> </td>
</tr>
<tr>
<td> 性别 </td>
<td> <label>
<select name= "select ">
<option> 请选择 </option>
<option value= "1 "> 男 </option>
<option value= "0 "> 女 </option>
&nbs
<%@ page contentType= "text/html; charset=gb2312 " language= "java " import= "java.sql.* " import= "java.lang.String " errorPage= " " %>
<%
request.setCharacterEncoding( "gb2312 ");
%>
<%@ include file= "conn.jsp "%>
<head>
<meta http-equiv= "Content-Type " content= "text/html; charset=gb2312 " />
<title> 无标题文档 </title>
<link href= "css/Style.css " type= "text/css " rel= "stylesheet " />
</head>
<body>
<table width= "700 " border= "0 " align= "center " cellpadding= "0 " cellspacing= "0 " bordercolor= "#D4D0C8 ">
<tr>
<td> <div align= "center "> 人员管理 </div> </td>
</tr>
<tr>
<td> <form id= "form1 " name= "form1 " method= "post " action= " ">
<table width= "400 " border= "1 " align= "center " cellpadding= "0 " cellspacing= "0 " bordercolor= "#D4D0C8 ">
<tr>
<td colspan= "2 "> </td>
</tr>
<tr>
<td> 姓名 </td>
<td> <label>
<input type= "text " name= "textfield " />
</label> </td>
</tr>
<tr>
<td> 性别 </td>
<td> <label>
<select name= "select ">
<option> 请选择 </option>
<option value= "1 "> 男 </option>
<option value= "0 "> 女 </option>
&nbs
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