Cage与Spring的整合

package com.lavasoft.ntv.web.common;
import com.github.cage.Cage;
import com.github.cage.IGenerator;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Qualifier;
import org.springframework.stereotype.Component;
import javax.annotation.Resource;
/**
* Created by Administrator on 14-5-5.
*
* @author leizhimin 14-5-5 下午7:00
*/
@Component
public class MyCage extends Cage {
public MyCage() {
}
@Autowired
public MyCage(@Qualifier("myTokenGenerator") IGenerator myTokenGenerator) {
super(null, null, null, null, null, myTokenGenerator, null);
}
}

package com.lavasoft.ntv.web.common;
import com.github.cage.IGenerator;
import org.springframework.stereotype.Component;
import java.util.Random;
/**
* 验证码生成器
*
* @author leizhimin 14-5-5 下午2:42
*/
@Component("myTokenGenerator")
public class MyTokenGenerator implements IGenerator {
private int length = 4;
private String charsetdir = "23456789abcdefghigkmnpqrstuvwxyzABCDEFGHIGKLMNPQRSTUVWXYZ";
private static final Random r = new Random();
public MyTokenGenerator() {
}
public MyTokenGenerator(int length, String charsetdir) {
this.length = length;
this.charsetdir = charsetdir;
}
@Override
public String next() {
StringBuffer sb = new StringBuffer();
int len = charsetdir.length();
for (int i = 0; i sb.append(charsetdir.charAt(r.nextInt(len - 1)));
}
return sb.toString();
}
public static void main(String[] args) {
MyTokenGenerator t = new MyTokenGenerator();
for (int i = 0; i <100; i++) {
System.out.println(t.next());
}
}
}

package com.lavasoft.ntv.web;
import com.lavasoft.ntv.web.common.MyCage;
import org.springframework.stereotype.Controller;
import org.springframework.ui.ModelMap;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.ModelAndView;
import javax.annotation.Resource;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.io.IOException;
/**
* Created by Administrator on 14-5-4.
*
* @author leizhimin 14-5-4 上午11:00
*/
@Controller
public class LoginController {
@Resource
private MyCage myCage;
@RequestMapping("/crimg")
private void createValidateImg(HttpServletRequest request,HttpServletResponse response) throws IOException {
HttpSession session = request.getSession(false);
if (session == null) {
session=request.getSession();
}
String token = myCage.getTokenGenerator().next();
System.out.println("当前的SessiOnID=" + session.getId() + "，验证码=" + token);
session.setAttribute("captchaToken", token);
setResponseHeaders(response);
myCage.draw(token, response.getOutputStream());
}
protected void setResponseHeaders(HttpServletResponse response) {
response.setContentType("image/" + myCage.getFormat());
response.setHeader("Cache-Control", "no-cache, no-store");
response.setHeader("Pragma", "no-cache");
long time = System.currentTimeMillis();
response.setDateHeader("Last-Modified", time);
response.setDateHeader("Date", time);
response.setDateHeader("Expires", time);
}
@RequestMapping("/login")
private String LoginAction(HttpServletRequest request,
HttpServletResponse response,
String username,
String password,
@RequestParam(value = "yzm") String yzm) {
boolean flag = false;
HttpSession session = request.getSession(false);
String token = (String) session.getAttribute("captchaToken");
System.out.println("当前的SessiOnID=" + session.getId() + "，Session中的验证码=" + session.getAttribute("captchaToken") + "，输入的验证码：" + yzm);
if(token!=null && token.equalsIgnoreCase(yzm)){
session.removeAttribute("captchaToken");
return "success";
}else{
return "error";
}
}
}

<%--
Created by IntelliJ IDEA.
User: leizhimin 14-5-5 下午4:57
--%>
<%@ page cOntentType="text/html;charset=UTF-8" language="java" %>







验证码：

<%@ page cOntentType="text/html;charset=UTF-8" language="java" %>





验证通过！

<%@ page cOntentType="text/html;charset=UTF-8" language="java" %>





验证码校验失败！

xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xmlns:cOntext="http://www.springframework.org/schema/context"
xmlns:mvc="http://www.springframework.org/schema/mvc"
xsi:schemaLocation="http://www.springframework.org/schema/beans
http://www.springframework.org/schema/beans/spring-beans.xsd
http://www.springframework.org/schema/context
http://www.springframework.org/schema/context/spring-context.xsd
http://www.springframework.org/schema/mvc
http://www.springframework.org/schema/mvc/spring-mvc.xsd">












json=application/json
xml=application/xml
html=text/html

2014-05-05 22:00:24 JRebel: Reloading class ‘com.lavasoft.ntv.web.LoginController‘.
2014-05-05 22:03:09 JRebel: Reconfiguring bean ‘myCage‘ [com.lavasoft.ntv.web.common.MyCage]
2014-05-05 22:03:09 JRebel: Reconfiguring bean ‘loginController‘ [com.lavasoft.ntv.web.LoginController]
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=KRDE
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=S5zM
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=PgUi
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=H8v2
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=tWy4
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=Hham
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=ILd5
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=KBgY
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，Session中的验证码=KBgY，输入的验证码：kbgy
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，Session中的验证码=null，输入的验证码：kbgy
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=B4t9
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=PTD9
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=Xc4U
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=sKF6
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=cEbh
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=bFQx
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=vwpW
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=MeVE
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，验证码=A9Xz
当前的SessiOnID=5B94D1862193DD6C309BB200D0D9E03F，Session中的验证码=A9Xz，输入的验证码：13213

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