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为了避免以后还有类似状况特别写了个java模拟登录抓取考勤内容的方法(部分代码来自网络)，希望有人修改后也可以用上，哈哈！
公司内部系统，登录没有验证码，如果是有验证码的系统还得找破解方法
定时器是用的spring的，没用spring的可以自己写个定时器
用到的组件：httpclient-4.2.5.jar,httpcore-4.2.4.jar,jsoup-1.7.2.jar
jsoup官方下载地址：http://jsoup.org/download
httpclient官方下载地址:http://hc.apache.org/downloads.cgi
废话不多说，贴上我的代码
@Component
public class Login extends BaseJobs {
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd");
/**
* 获取当月第一天
*
* @return
*/
public String getFirstDayOfMonth() {
Calendar lastDate = Calendar.getInstance();
lastDate.set(Calendar.DATE, 1);// 设为当前月的1号
return sdf.format(lastDate.getTime());
}
/**
* 计算当月最后一天
* @return
*/
public String getLastDayOfMonth() {
Calendar lastDate = Calendar.getInstance();
lastDate.set(Calendar.DATE, 1);// 设为当前月的1号
lastDate.add(Calendar.MONTH, 1);// 加一个月，变为下月的1号
lastDate.add(Calendar.DATE, -1);// 减去一天，变为当月最后一天
return sdf.format(lastDate.getTime());
}
//测试
public static void main(String args[]) throws Exception {
Login l = new Login();
l.login();
}
private static CookieStore cs = new BasicCookieStore();
//利用spring定时器 每天早上10点一刻抓取并发邮件
@Scheduled(cron = "0 15 10 ? * *")
public void login() throws Exception {
DefaultHttpClient httpclient = new DefaultHttpClient();
// 创建一个本地上下文信息
HttpContext localContext = new BasicHttpContext();
// 在本地上下问中绑定一个本地存储
localContext.setAttribute(ClientContext.COOKIE_STORE, cs);
// 目标地址
HttpPost httppost = new HttpPost(
"http://***/userLogin.do");
// 传参
StringEntity reqEntity = new StringEntity(
"userName=jianancun&password=123456&randNum=565656");
// 设置类型
reqEntity.setContentType("application/x-www-form-urlencoded");
// 设置请求的数据
httppost.setEntity(reqEntity);
// 执行
HttpResponse response = httpclient.execute(httppost);
//取得所有头内容
Header[] headers = response.getAllHeaders();
for (Header h : headers) {
String name = h.getName();
String value = h.getValue();
System.out.println("header : " + h.getName() + ":" + h.getValue());
if ("Set-Cookie".equalsIgnoreCase(name)) {
String[] strs = value.split(";");
for (String str : strs) {
String[] cookies = str.split("=");
//输出cookie名称及标题
// System.out.println("=============== : " + cookies[0] + ":" + cookies[1]);
cs.addCookie(new BasicClientCookie(cookies[0], cookies[1]));
}
cs.addCookie(new BasicClientCookie("userId", "8888"));
cs.addCookie(new BasicClientCookie("userName", "jiannancun"));
cs.addCookie(new BasicClientCookie("state", "0"));
cs.addCookie(new BasicClientCookie("iAdmin", "0"));
cs.addCookie(new BasicClientCookie("depCode", "0"));
}
}
HttpEntity entity = response.getEntity();
// 显示结果
BufferedReader reader = new BufferedReader(new InputStreamReader(
entity.getContent(), "UTF-8"));
String line = null;
//返回是否登录成功的内容 忽略
while ((line = reader.readLine()) != null) {
// System.out.println(line);
}
//可以添加多个用户
String jlc[] ={URLEncoder.encode("贱男春"),"jiannancun@*.cn","888888"};
List<String[]> list = new ArrayList<String[]>();
list.add(jlc);
for(String []u:list){
//查询本月考勤内容
String logPath = "http://**.cn/timeCard.jsp?nickName="+u[0]+"&eplTimeCard="
+u[2]+"&begDate="+getFirstDayOfMonth()+"&endDate="+getLastDayOfMonth();
String content= getContent(logPath);
Document doc = Jsoup.parse(content);
Elements tds = doc.select("table td");
int i =0;
//返回的内容
String html =""; ;
for (Element td : tds) {
//取前25行内容 前25行内容显示的是昨天和今天的考勤记录
if(i<25){
html+=td.text().replace(u[2],URLDecoder.decode(u[0]))+"<br>" ;
} else break;
i++;
}
Map<String,Object> map = new HashMap<String,Object>();
map.put("mailTo",u[1]);
map.put("mailTitle","考勤提醒");
map.put("messageBody",html);
//发送邮件
//sendMail(map);
}
}
/**
* Function: 请求地址并返回页面内容
* @author JNC
* @param url
* @return
* @throws Exception
*/
private String getContent(String url) throws Exception {
DefaultHttpClient httpclient = new DefaultHttpClient();
String cookieStr = "";
List<Cookie> list = cs.getCookies();
for (Cookie cookie : list) {
cookieStr += cookie.getName() + "=" + cookie.getValue() + ";";
}
// 请求目标地址并带上cookie
HttpGet httpget = new HttpGet(url);
httpget.setHeader("Cookie", cookieStr);
// 执行
HttpResponse response = httpclient.execute(httpget);
HttpEntity entity = response.getEntity();
String resultStr ="";
BufferedReader reader = new BufferedReader(new InputStreamReader(
entity.getContent(), "UTF-8"));
String line = null;
while ((line = reader.readLine()) != null) {
resultStr+=line;
}
return resultStr;
}
}