ssm 学生管理系统2.0

package baizhi.action;

import java.awt.image.BufferedImage;
import java.io.IOException;
import java.io.OutputStream;

import javax.imageio.ImageIO;
import javax.servlet.http.HttpServletResponse;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionContext;
import com.opensymphony.xwork2.ActionSupport;
import com.opensymphony.xwork2.util.ValueStack;


public class Captcha extends ActionSupport{
	
	public String  execute（） throws IOException {
		String securityCode = SecurityCode.getSecurityCode（）;
		System.out.println（“securityCode:“+securityCode）; 
	
		ValueStack vs = ActionContext.getContext（）.getValueStack（）;
		vs.setValue（“#session.code“ securityCode）; 
	
		BufferedImage image = SecurityImage.createImage（securityCode）; 
	
		HttpServletResponse response = ServletActionContext.getResponse（）;
	
		OutputStream output = response.getOutputStream（）; 
	
		ImageIO.write（image “png“ output）;
		
		return null;
	}
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     目录           0  2018-09-06 08:28  HomeWork
     文件        2324  2018-05-19 16:38  HomeWork.classpath
     目录           0  2018-09-06 08:28  HomeWork.myeclipse
     目录           0  2018-09-06 08:28  HomeWork.myeclipseprofiler
     文件        1451  2018-05-19 15:42  HomeWork.myeclipseprofilerHomeWork on Tomcat  7.x.xml
     文件        1333  2018-05-19 15:36  HomeWork.project
     目录           0  2018-09-06 08:28  HomeWork.settings
     文件         522  2018-04-25 20:38  HomeWork.settings.jsdtscope
     文件         159  2018-04-28 08:40  HomeWork.settingscom.genuitec.eclipse.core.prefs
     文件         244  2018-05-19 17:02  HomeWork.settingsorg.eclipse.core.resources.prefs
     文件          52  2018-04-26 10:25  HomeWork.settingsorg.eclipse.core.runtime.prefs
     文件         364  2018-04-25 20:38  HomeWork.settingsorg.eclipse.jdt.core.prefs
     文件         483  2018-05-19 15:36  HomeWork.settingsorg.eclipse.wst.common.component
     文件         414  2018-04-25 20:38  HomeWork.settingsorg.eclipse.wst.common.project.facet.core.xml
     文件          49  2018-04-25 20:38  HomeWork.settingsorg.eclipse.wst.jsdt.ui.superType.container
     文件           6  2018-04-25 20:38  HomeWork.settingsorg.eclipse.wst.jsdt.ui.superType.name
     目录           0  2018-09-06 08:28  HomeWorksrc
     文件        2397  2018-06-12 18:58  HomeWorksrcapplicationContext.xml
     目录           0  2018-09-06 08:28  HomeWorksrcaizhi
     目录           0  2018-09-06 08:28  HomeWorksrcaizhiaction
     文件        1009  2018-05-19 13:18  HomeWorksrcaizhiactionCaptcha.java
     文件        2680  2018-05-19 13:18  HomeWorksrcaizhiactionSecurityCode.java
     文件        2743  2018-05-19 13:18  HomeWorksrcaizhiactionSecurityImage.java
     文件        1465  2018-05-22 09:11  HomeWorksrcaizhiactionUploadAction.java
     文件        5229  2018-06-12 23:31  HomeWorksrcaizhiactionUserAction.java
     文件        6339  2018-05-19 13:18  HomeWorksrcaizhiactionValidationCodeServlet.java
     目录           0  2018-09-06 08:28  HomeWorksrcaizhidao
     文件         200  2018-05-21 21:16  HomeWorksrcaizhidaoAllclassDao.java
     文件         704  2018-06-12 17:17  HomeWorksrcaizhidaoAllclassDaoMapper.xml
     文件         221  2018-05-19 18:15  HomeWorksrcaizhidaoDepartmentDao.java
     文件         515  2018-05-21 18:53  HomeWorksrcaizhidaoDepartmentDaoMapper.xml
............此处省略136个文件信息