cookie添加方法:
Cookie nameCookie = new Cookie("username", name);
//设置Cookie的有效期为3天
nameCookie.setMaxAge(60 * 60 * 24 * 3);
Cookie pwdCookie = new Cookie("password", pwd);
pwdCookie.setMaxAge(60 * 60 * 24 * 3);
response.addCookie(nameCookie);
response.addCookie(pwdCookie);
1. form表单的action缺省时,是请求自己
2.可以利用set属性这个技巧设置计算
<form action="" method="post">
<p>输入一个正整数2:
<input type="text" name="n">
<input type="submit" value=""提交>
</form>
<jsp:useBean id="prim" class="com.PrimNumber" scope="page"></jsp:useBean>
<jsp:setProperty property="number" name="prim" param="n"/>
<p>小于</p>
<jsp:getProperty property="number" name="prim"/>
这个数的全部素数是:
<br/><jsp:getProperty property="result" name="prim"/>
function regist()
{
targetForm = document.forms[0];
targetForm.action = "Login!regist.action";
targetForm.submit();
}
3.struts中使用获取session,此处是map,里面的机制是把它变成httpsession
ActionContext.getContext().getSession().put("tip",getTip());
//定义了success error login input done
//actionsupport提供了校验的机制,validate方法
4.EL表达式的常用
<%request.getSession().setAttribute("a",new Integer(123));%>
${requestScope.a}
${a+1}
5.struts的标签
<%@taglib prefix="s" uri="/struts-tags"%>:
自动的不和表单中属性相匹配,则返回tip
<s:property value="tip"/>
<s:property value="model.tip"/>
6.struts中文件的包含
<include file="struts-part2.xml"/>
7.jstl的标签
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
3 <c:redirect url="http://127.0.0.1:8080">
4 <c:param name="uname">fanyue</c:param>
5 <c:param name="password">123456</c:param>
6 </c:redirect>
8.action的属性
<action name="*Action" class="lee.LoginRegistAction" method="{1}">
9.type
<result type="redirect">/welcome.jsp</result>
10.全局匹配
<global-results>
<result name="success">/${target}.jsp</result>
</global-results>