wdfx100

//jar:ImageUtil.jar filters-2.0.235.jar
//jquert.jcrop.js  jcrop.css
      <img alt="" src="http://www.wdfx100.com/upload/${fileName }">
    	  <form action="jcrop" method="post">
  		  	<input type="hidden" name="fileName" value="${fileName}">
  		  	<input type="hidden" name="x1" id="x">
  		  	<input type="hidden" name="y1" id="y">
  		  	<input type="hidden" name="x2" id="x2">
  		  	<input type="hidden" name="y2" id="y2">
  		  	<input type="submit" value="剪裁"/>

wdfx100

//注意要点
//1.文件格式的设置
//2.文件名中中文的设置
//3.文件大小的设置
//4.设置一个相应的头 Servlet download file:搜  键：文件的描述   值：对应的文件
      response.setContentType("application/pdf");//设置文件格式
    
  	String fileName = "第一章.pdf";
  	File file = new File("I:/test/upload","第一章.pdf");//下载文件的路径及名称
  	response.setContentLength(new Long(file.length()).intValue());//进度条的操作，提示完成进度

wdfx100

//token.servlet→jsp→servlet→jsp结果页

public class TokenUtil {

  public static void createToken(HttpServletRequest request,HttpServletResponse response){
		
		UUID uuid = UUID.randomUUID();
		String token = uuid.toString();
		request.getSession().setAttribute("session_token",token);
		request.setAttribute("request_token", token);

wdfx100

jar:3
jcaptcha-2.0-alpha-1-SNAPSHOT.jar
jcaptcha-api-1.0.jar
jcaptcha-integration-simple-servlet-2.0-alpha-1-SNAPSHOT.jar

<form action="pay2" method="post">
      	<input type="hidden" name="token" value="${requestScope.request_token }"/>
    		输入支付金额：<input type="text" name="money"/><br>
    		请输入验证码：<input type="text" name="code" value=""/><br/>
    		<img alt="验证码" src="/jcaptcha.jpg" id="img">

wdfx100

jar
commons-codec-1.6.jar
sha.js

<form action="login" method="post" class="formgo">
      	
    		<c:choose>
	    		<c:when test="${param.error=='1001' }">
	    			<p>用户名或密码错误	</p>
	    		</c:when>

wdfx100

login.java:
        if(rm != null){
    				Cookie usernameCookie =new Cookie("username", username);
  					usernameCookie.setDomain("www.wdfx100.com");
  					usernameCookie.setPath("/");
  					usernameCookie.setMaxAge(60*60*24);
  					
  					Cookie passwordCookie =new Cookie("password", password);
  					passwordCookie.setDomain("www.wdfx100.com");
  					passwordCookie.setPath("/");

wdfx100

  //让session过期
  	request.getSession().invalidate();//安全退出，强制Session过期
    //删除cookie
		Cookie[] cookies = request.getCookies();
		if(cookies!=null){
			for(Cookie c:cookies){
				if("username".equals(c.getName())||"password".equals(c.getName())){
					c.setMaxAge(0);
					c.setPath("/");
					c.setDomain("www.wdfx100.com");

wdfx100

function createXMLHttpRequest(){
     		var xmlHttp;//创建ajax引擎
	   		if(window.ActiveXObject){
	   			xmlHttp = new ActiveXObject("Microsoft.XMLHTTP");
	   			
	   		}else{
	   			xmlHttp = new XMLHttpRequest();
	   		}
	   		return xmlHttp;
   		}

wdfx100

HttpClient client = null;
try {
  client = new DefaultHttpClient();//获得一个代理
  
	HttpGet get = new HttpGet("http://www.youdao.com/smartresult-xml/search.s?type=id&q="+code);//获得请求
	HttpResponse response = client.execute(get);//获得响应			
	InputStream stream = response.getEntity().getContent(); //从内存角度，获得一个输入流
	BufferedReader reader = new BufferedReader(new InputStreamReader(stream,"GBK")); 
//获得的文字，以字符流的形式输出【图片、MP3，文件用字节流输出】
	StringBuilder sb = new StringBuilder(); 

wdfx100

/index.html = anon
/user/create = anon
/user/** = authc
/admin/** = authc, roles[administrator]
/rest/** = authc, rest
/remoting/rpc/** = authc, perms["remote:invoke"]


过滤器名称    过滤器类	                                                 描述
anon	    org.apache.shiro.web.filter.authc.AnonymousFilter       	匿名过滤器