这是我的index.jsp
<%@page import="java.io.Console"%>
<%@page import="java.sql.*"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<script src="https://ajax.aspnetcdn.com/ajax/jQuery/jquery-3.4.1.min.js"></script>
<script type="text/javascript">
function editFunction(name)
{
var f=document.form;
f.method="post";
f.action='Edit.jsp?name='+name;
f.submit();
}
function deleteFunction(name)
{
var f=document.form;
f.method="post";
f.action='Delete.jsp?name='+name;
f.submit();
}
</script>
<link rel="stylesheet" type="text/css" href="Style.css">
<title>Global Market Model</title>
</head>
<body>
<div>
<h1>Global Market Model</h1>
<div>
<s:form action="add" method="post">
<s:textfield name="modelBean.modelname" label="Model Name:"></s:textfield>
<s:submit/>
</s:form>
</div>
<br>
<div>
<h3>Search: </h3>
</div>
<div>
<%
Statement st=null;
ResultSet rs=null;
Connection con=null;
try
{
Class.forName("com.mysql.jdbc.Driver");
con= DriverManager.getconnection("jdbc:mysql://localhost:3306/test","root","root");
st=con.createStatement();
rs=st.executeQuery("select * from GLOBAL_MARKET_MODEL");
if (rs.equals(null))
{
out.print("Null set");
}
%>
<form name="form">
<table id="table1" class ="table">
<thead align="center">
<tr>
<th>
Model Data
</th>
</tr>
</thead>
<tr>
<th>ID</th>
<th>Model</th>
<th>Created By</th>
<th>Modified By</th>
<th>Created Time</th>
<th>Modified Time</th>
<th rowspan="2">activation Status</th>
</tr>
<tbody>
<%
while(rs.next())
{
%>
<tr>
<td><%=rs.getInt("ID")%></td>
<td><%=rs.getString("MODEL") %></td>
<td><%=rs.getString("CREATED_BY") %></td>
<td><%=rs.getString("MODIFIED_BY") %></td>
<td><%=rs.getTime("CREATED_TIME") %></td>
<td><%=rs.getTime("MODIFIED_TIME") %></td>
<td><%=rs.getInt("actIVATION") %></td>
<td><input type="button" name="update" class="yellowButton" value="Update" onclick='editFunction("<%=rs.getString("MODEL")%>")'></td>
<td><input type="button" name="delete" class="redButton" value="Delete" onclick='deleteFunction("<%=rs.getString("MODEL")%>")'></td>
</tr>
<%
}
%>
</tbody>
</table>
</form>
<br>
<%
}
catch(Exception exception)
{
out.print("Hi from catch");
out.print(exception.getMessage());
}
%>
</div>
</div>
</body>
</html>
这是我的edit.jsp
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Edit Global Market Model</title>
</head>
<body>
<s:form action="edit" method="post">
<fieldset>
<legend>Update</legend>
<%
String name= request.getParameter("name");
%>
Previous Name of Model is :
<s:textfield name="modelBean.prevmodelname" label="Previous Model Name:" value="<%=name%>" readonly="readonly"></s:textfield>
<br>
New Model Name:
<s:textfield name="modelBean.modelname" label="New Model Name:"></s:textfield>
</fieldset>
<br>
<s:submit/>
</s:form>
</body>
</html>
在运行程序时，单击更新按钮，它将转到Edit.jsp，但是在第19行出现以下错误“根据标签文件中的TLD或属性指令，属性[value]不接受任何表达式”基本上，这里，以前的模型名称将发送到Edit.jsp文件，在这里我们可以为其命名。 有人可以向我提供有关如何进行的帮助吗？ 我正在使用struts 2框架。 P.s. Delete.jsp也存在相同的问题。