JavaBeans第一个例子

test.jsp

 

放在Apache Software Foundation/Tomcat 5.5/webapps/ROOT/下面

 

<%@ page contentType="text/html; charset=GBK" %> <html> <head> <title> sample1 </title> </head> <jsp:useBean id="sample1BeanId" scope="session" class="Bean.sample1Bean" /> <jsp:setProperty name="sample1BeanId" property="*" /> <body> <h1> A JSP & Bean Sample </h1> <form method="post"> <br>Enter new value: <input name="sample"><br> <br><br> <input type="submit" name="Submit" value="Submit" /> <input type="reset" value="Reset" /> <br> Value of Bean property is:<jsp:getProperty name="sample1BeanId" property="sample" /> </form> </body> </html>

 

sample1Bean:

 

放在Apache Software Foundation/Tomcat 5.5/webapps/ROOT/WEB-INF/classes/Bean/目录下

 

package Bean; public class sample1Bean { private String sample = "Start value"; public String getSample() { return sample; } public void setSample(String newValue) { if(newValue!=null) { sample = newValue; } } }

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