笔记

Bean标签库
 
1. <bean:header>  #0968F7
 
    <bean:header id="custlang" name="Accept-Language"/>
    Here: <bean:write name="custlang"/>
=>
    Here: zh-cn,en-us;q=0.5
 
2. <bean:parameter>
 
    <bean:parameter id="bookId" name="id" value="0"/><%--value是默认值-%>
    请求的图书编号为: <bean:write name="bookId"/>
=>
    请求的图书编号为: 8 <!-- -->
 
    <bean:parameter id="custNames" multiple="true" name="names" value="hehe"/>
    请求的客户姓名有: <p/>
    <%
     for( int i = 0 ; i < custNames.length; i++ ) {
      out.print(custNames[i] + "__");
     }
    %>
=>
    请求的客户姓名有: <p/>
    cheyo__vsftpd__Google__
 
3. <bean:cookie>
 
    Cookies: <bean:cookie id="customer" name="custName" value="cheyo"/>
    您好,<bean:write name="customer" property="value"/>
=>
    Cookies:
    您好,cheyo
 
4. <bean:page>
 
    <bean:page id="currSession" property="session"/>
    当前会话创建时间: <bean:write name="currSession" property="creationTime"/>
=>
    当前会话创建时间: 1111993122390
   
5. <bean:message>
 
<1>
    <bean:message bundle="test" key="test.name"/><p/>
<2>
    <%
        request.setAttribute("stringBean", "test.nick");
    %>
    <bean:message bundle="test" name="stringBean"/>
<3>
    <%
        SomeBean bean = new SomeBean();
        bean.setName("hello");
        request.setAttribute("someBean", bean);
    %>
    <bean:message bundle="test" name="someBean" property="name"/>
<4>
    <bean:message bundle="test" key="test.error" arg0="联系地址!"/>
    <!--test.error={0} is requried!-->
 
6. <bean:resource>
 
以下为test页面的内容:<p/>
    <bean:resource id="testPage"  name="test/testDS.jsp"/>
    <bean:write name="testPage"/>
   
7. <bean:struts>
 
   <bean:struts id="successForward" forward="aaaa"/>
   <bean:write name="successForward" property="path"/>
=>
   /hello.jsp
 
8. <bean:include>
 
以下为include进的内容：<p/>
<bean:include id="includeReg" forward="success"/>
<bean:write name="includeReg" filter="false" />
<p/>

以下为include进的内容3：<p/>
<bean:include id="includeReg" page="/hello.jsp"/><%--一定要以/开头--%>
<bean:write name="includeReg" filter="false" />
 
9. <bean:define>
 
<1>
    <bean:define id="currDate" value="2005-03-28"/>
    <bean:write name="currDate"/>
<2>
<%
    User user = new User();
    user.setUserName("cheyo");
    request.setAttribute("userBean", user);
%>
    <bean:define id="currUser" name="userBean"/>
    当前用户姓名: <bean:write name="currUser" property="userName"/>
<%-- 注意: 上面加下划线的"user"这一变量名不应与红色下划线的"currUser"这一变量名相同! 否则会报错! -->
   
10. <bean:size>
 
<%
    HashMap lines = new HashMap();
    lines.put("1", "line1");
    lines.put("2", "line2");
    lines.put("3", "line3");
    request.setAttribute("lines", lines);
%>
<bean:size id="lineSize" name="lines"/>
线的数量:
<bean:write name="lineSize"/>
 
11. <bean:write>
 
<1>
 
<%
    request.setAttribute("floatval", Float.valueOf("3.14159"));
    Calendar gc = GregorianCalendar.getInstance();
    gc.setTime(new Date(session.getCreationTime()));
    request.setAttribute("now", gc);
%>
Pi is : <bean:write format="#.####" name="floatval"/><p/>
Session Started at: <bean:write format="MM-dd-yyyy hh:mm:ss" name="now" property="time"/>
 
<2>
 
<%
    String boldStart = "<B>";
    String boldEnd = "</B>";
    request.setAttribute("bs", boldStart);
    request.setAttribute("be", boldEnd);
%>
<bean:write name="bs"/>哈哈哈哈<bean:write name="be"/><p/> <%--输出<B>哈哈哈哈</B>--%>
<bean:write name="bs" filter="false"/>加粗的哈哈哈哈<bean:write name="be" filter="false"/><p/>
 
=>
    <B>哈哈哈哈</B><p/>
    <B>加粗的哈哈哈哈</B><p/>