javabean实例

来源：互联网发布：最好的日历软件编辑：程序博客网时间：2024/06/06 05:49

javabean重点

<1><jsp:useBean>标识的应用

<jsp:useBean id="实例名" scope="范围" class="完整类名" beanName="完整类名" type="数据类型">

</jsp:useBean>

java代码

package com.lyq.bean;public class Person {// 姓名//private String name;// 年龄private int age;// 性别private String sex;// 住址private String add;/*public String getName() {return name;}public void setName(String name) {this.name = name;}*/public int getAge() {return age;}public void setAge(int age) {this.age = age;}public String getSex() {return sex;}public void setSex(String sex) {this.sex = sex;}public String getAdd() {return add;}public void setAdd(String add) {this.add = add;}}

======

index.jsp

<body>    <form action="reg.jsp" method="post"><table align="center" width="400" height="200" border="1"><tr><td align="center" colspan="2" height="40"><b>添加用户信息</b></td></tr><tr><td align="right">姓　名：</td><td><input type="text" name="name"></td></tr><tr><td align="right">年　龄：</td><td><input type="text" name="age"></td></tr><tr><td align="right">性　别：</td><td><input type="text" name="sex"></td></tr><tr><td align="right">住　址：</td><td><input type="text" name="add"></td></tr><tr><td align="center"  colspan="2"><input type="submit" value="添　加"></td></tr></table></form>  </body>

=====

reg.jsp

<body>    <%request.setCharacterEncoding("UTF-8");%><jsp:useBean id="person" class="com.lyq.bean.Person" scope="page"><jsp:setProperty name="person" property="*"/></jsp:useBean><table align="center" width="400"><tr><td align="right">姓　名：</td><td><jsp:getProperty property="name" name="person"/></td></tr><tr><td align="right">年　龄：</td><td><jsp:getProperty property="age" name="person"/></td></tr><tr><td align="right">性　别：</td><td><jsp:getProperty property="sex" name="person"/></td></tr><tr><td align="right">住　址：</td><td><jsp:getProperty property="add" name="person"/></td></tr></table>  </body>

====