Java web:显示当前日期

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新建JSP文件ShowDate.jsp

自动生成代码如下:

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!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=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>

</body>
</html>

修改页面编码方式为UTF-8

  • 将代码第一行中pageEncoding="ISO-8859-1"改为UTF-8
  • 修改项目编码方式:Eclipse中Window->Preferences ,在打开的对话框中输入JSP,在下方的树形目录中单机JSP,在右方显示JSP相关设置,将Encodding设置为UTF-8.

获取当前日期

  • 在第一行代码import属性中添加java.text.*包引用
<%@ page language="java" import ="java.util.*,java.text.* " 
    pageEncoding="UTF-8"%>
  • 设置page指令的contentType属性,设置为UTF-8
<%@ page language="java" import ="java.util.*,java.text.* " contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
  • 获取当前时间:
<%@ page language="java" import ="java.util.*,java.text.* " 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>Insert title here</title>
</head>
<%--这是JSP注释 --%>
<% 
 SimpleDateFormat formater = new SimpleDateFormat("yyyy年MM月dd日");
 String strCurrentTime = formater.format(new Date());
%>
<body>
欢迎光临ED电子商城! 现在时间为: <%=strCurrentTime %>
</body>
</html>

其他页面引用显示时间

index.jsp:

<%@ page language="java" import ="java.util.*,java.text.* " 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=ISO-8859-1">
<title>Insert title here</title>
</head>
<body>
<% out.println("Hello Jinan"); %>
<%@ include file="/ShowDate.jsp" %>
</body>
</html>

ShowData.jsp:

<%@ page language="java" import ="java.util.*,java.text.* " contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<%--这是JSP注释 --%>
<% 
 SimpleDateFormat formater = new SimpleDateFormat("yyyy年MM月dd日");
 String strCurrentTime = formater.format(new Date());
%>
<body>
欢迎光临ED电子商城! 现在时间为: <%= strCurrentTime %>
</body>
</html>