====enterkey.jsp 传参数,sql 和test====
<%@ page contentType="text/html;charset=GB2312"%>
<%@ page language="java" import="java.util.*" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'enterkey.jsp' starting page</title>
<script language="javascript">
function tijiao(){
sql = "aaa like '%bbb%'";
alert(sql);
document.location.href="reseive.jsp?sql="+sql+"&test=test";
}
</script>
</head>
<body>
This is enterkey123 JSP page. <br>
<form>
<table>
<tr>
<td><input type = "button" value="提交" onclick="tijiao()"></td>
</tr>
</table>
</form>
</body>
</html>
====reseive.jsp 接参数====
<%@ page contentType="text/html;charset=GB2312"%>
<%@ page language="java" import="java.util.*" %><!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'enterkey.jsp' starting page</title>
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<%
String sql = request.getParameter("sql");
System.out.println(" the sql is "+sql);
String test = request.getParameter("test");
System.out.println(" the test is "+test);
%>
<body>
This is goto JSP page. <br>
<form focus="name">
<table>
<tr>
<td>sql语句</td>
<td><input type = "text" name = "number" value="<%=sql%>"></td>
</tr>
<tr>
<td>test语句</td>
<td><input type = "text" name = "test" value="<%=test%>"></td>
</tr> </table>
</form>
</body>
</html>====输出结果:sql没传过去,test传过去了,为什么啊???????====the sql is null
the test is test
java:str=URLEncoder.encode(str);转换以后再传值。