<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <% request.setCharacterEncoding("UTF-8"); String htmlData = request.getParameter("content1") != null ? request.getParameter("content1") : ""; %> <%=htmlData%>

<%=htmlspecialchars(htmlData)%>
(提交快捷键: Ctrl + Enter)

<%! private String htmlspecialchars(String str) { str = str.replaceAll("&", "&"); str = str.replaceAll("<", "<"); str = str.replaceAll(">", ">"); str = str.replaceAll("\"", """); return str; } %>