因为request请求都是ISO-8859-1，而jsp页面是采用UTF-8编码，所以当传递的参数有中文时，页面会出现乱码，但是可以将取到的数据通过String的构造函数使用指定的编码类型重新构造一个String对象解决乱码问题
<%@page import="java.text.SimpleDateFormat"%> <%@page import="java.util.Date"%> <%@ 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>Insert title here</title> </head> <body> <a href="top.jsp?name=王五&sex=男">解决乱码</a> </body> </html>
<%@page import="java.text.SimpleDateFormat"%> <%@ 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>Insert title here</title> </head> <body> name的参数为：<%=new String(request.getParameter("name").getBytes("ISO-8859-1"),"UTF-8") %> <br> sex的参数为：<%=request.getParameter("sex") %> </body> </html>
