Java 在jsp中显示数据
我是jsp新手,面临一个问题。我需要创建jsp页面,该页面显示来自servlet的数据。 Servlet代码:Java 在jsp中显示数据,java,jsp,servlets,Java,Jsp,Servlets,我是jsp新手,面临一个问题。我需要创建jsp页面,该页面显示来自servlet的数据。 Servlet代码: protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException { CustomersDao customersDao = new CustomersDaoImpl(); List<
protected void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
CustomersDao customersDao = new CustomersDaoImpl();
List<Customers> custList = customersDao.getAllCustomers();
request.setAttribute("customersList", custList);
request.getRequestDispatcher("/test.jsp").forward(request, response);
}
protectedvoid doGet(HttpServletRequest请求,HttpServletResponse响应)
抛出ServletException、IOException{
CustomersDao CustomersDao=new CustomersDaoImpl();
List custList=customersDao.getAllCustomers();
setAttribute(“customersList”,custList);
request.getRequestDispatcher(“/test.jsp”).forward(请求,响应);
}
jsp页面代码:
<%@page contentType="text/html" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>JSP Test Page</title>
</head>
<body>
<%-->
<table border="1">
<tr>
<td>${requestScope['customers'].name}</td>
<td>${requestScope['customers'].lastname}</td>
<td>${requestScope['customers'].totalAmount}</td>
</tr>
</table>
<--%>
<table border="1">
<c:forEach var="element" items="${requestScope['customersList']}">
<tr>
<td><c:out value="${element.name}" /> TEST.name</td>
<td>${element.lastname} TEST.lastname</td>
<td>${element.totalAmount} TEST.totalAmount</td>
<td> ololo </td>
</tr>
</c:forEach>
</table>
</body>
</html>
JSP测试页
${requestScope['customers'].name}
${requestScope['customers'].lastname}
${requestScope['customers'].totalAmount}
TEST.name
${element.lastname}TEST.lastname
${element.totalAmount}TEST.totalAmount
奥洛洛
当我将单个对象发送到jsp时,它正常工作(代码的注释部分)。但当我尝试发送列表时,我无法分离对象,浏览器只显示测试消息。那么我该如何修复它呢
当我将单个对象发送到jsp时,它正常工作(代码的注释部分)。但当我尝试发送列表时,我无法分离对象,浏览器只显示测试消息
您忘记了包含核心标记库。这就是为什么
不起作用,但如果只传递一个对象,它就会起作用
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
仅尝试${CustomerList}