How to assign value to jsp page in Java
- (*-*)浩Original
- 2019-05-29 11:47:124714browse
Use forwarding to assign values to jsp pages. The specific operation is as follows:
This uses forwarding in the servlet to implement parameter transfer
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
request.setCharacterEncoding("UTF-8");
request.setAttribute("username", "dhweicheng");
request.setAttribute("password", "123456");
request.getRequestDispatcher("/my.jsp").forward(request, response);
}
jsp page code:
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
<title>页面代码</title>
</head>
<body>
<h5>通过request对象取值</h5>
账号:<%=request.getAttribute("username") %>
密码:<%=request.getAttribute("password") %>
<P>=======================</P>
<h5>通过EL表达式取值</h5>
账号:${username}
密码:${password}
</body>
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