JavaBean与表单操作

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1:输入表单

<!DOCTYPE html>

<html>
<head>
<title>input_bean.html</title>
<meta name="content-type" content="text/html; charset=UTF-8">
</head>
<body>
<form action="input_bean3.jsp" method="post">
姓名:<input type="text" name="name"><br>
年龄:<input type="text" name="age"><br>
性别:<input type="text" name="sex"><br>
学历:<input type="text" name="degree"><br>
<input type="submit" value="提交"> 
<input type="reset" value="重置">
</form>
</body>

</html>

2:javaBean

package cn.mldn.lxh.demo;
/**
* javaBean 留给JSP调用
*
* @author Administrator
*
*/
public class SimpleBean {
private String name;
private int age;
private char sex;
private String degree;
public SimpleBean()
{
System.out.println("默认无参构造方法");
}
public SimpleBean(String name, int age, char sex, String degree) {
this.name = name;
this.age = age;
this.sex = sex;
this.degree = degree;
}

public String toString() {
return "姓名:" + this.name + "<br>年龄:" + this.age + "<br>性别:" + this.sex
+ "<br>学历:" + this.degree;
}

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 char getSex() {
return sex;
}

public void setSex(char sex) {
this.sex = sex;
}

public String getDegree() {
return degree;
}

public void setDegree(String degree) {
this.degree = degree;
}
}

3:jsp接收表单

<%@ page contentType="text/html" language="java" import="java.util.*" pageEncoding="UTF-8"%>
<jsp:useBean id="simple" scope="page" class="cn.mldn.lxh.demo.SimpleBean"/>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<title>My JSP 'input_bean.jsp' starting page</title>
</head>

<body>
<%
request.setCharacterEncoding("UTF-8");
simple.setName(request.getParameter("name"));
simple.setAge(Integer.parseInt(request.getParameter("age")));
simple.setDegree(request.getParameter("degree"));
%>
<h2>姓名:<%=simple.getName()%></h2>
<h2>年龄:<%=simple.getAge()%></h2>
<h2>学历:<%=simple.getDegree()%></h2>
</body>
</html>

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