<fmt:requestEncoding/>设置编码
<%@ page language="java" contentType="text/html; charset=UTF-8"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c"%>
<%@ taglib uri="http://java.sun.com/jsp/jstl/fmt" prefix="fmt"%>
<!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>
<style>
body, input {font-size: 12px; }
</style>
</head>
<body>
<fmt:requestEncoding value="UTF-8"/>
<form action="${ pageContext.request.requestURI }" method="post">
关键字：<input name="key" /> <c:out value="${ param.key }" default="请输入关键字"></c:out>
<br/><br/>
<input type="submit">
</form>
</body>
</html>
