分享微信小程序签到考勤后端代码

/**

* Servlet impleme小白轻松搭建系统点我wcqh.cnntation class Login

*/@WebServlet(“/Login”)public class Login extends HttpServlet {

private static fin小白轻松搭建系统点我wcqh.cnal long serialVersionUID = 1L;

private static final String APPID=”xxxxxxxxxx”;

private static final St小白轻松搭建系统点我wcqh.cnring SECRET=”xxxxxxxxxxxxxxxxxxxxxxxxxx”;

/**

* Default constructor.

*/

public Login() {

// TODO Auto-gen小白轻松搭建系统点我wcqh.cnerated constructor stub

}

/**

* @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse 小白轻松搭建系统点我wcqh.cnresponse)

*/

protected void doGet(HttpServletRequest request, HttpServletResponse response) throws Ser小白轻松搭建系统点我wcqh.cnvletException, IOException {

//ÉèÖÃÇëÇó±àÂë

request.setCharacterEncoding(“utf-8”);

response.setContentT小白轻松搭建系统点我wcqh.cnype(“text/html;charset=utf-8”);

/* ÉèÖÃÏìӦͷÔÊÐíajax¿çÓò·ÃÎÊ */

response.setHeader(“Access-Control-Al小白轻松搭建系统点我wcqh.cnlow-Origin”, “*”);

/* ÐǺűíʾËùÓеÄÒìÓòÇëÇ󶼿ÉÒÔ½ÓÊÜ£¬ */

response.setHeader(“Access-Control-Allow-M小白轻松搭建系统点我wcqh.cnethods”, “GET,POST”);

String flag=request.getParameter(“flag”);

//   System.out.println(flag);

if(“logi小白轻松搭建系统点我wcqh.cnn”.equals(flag)) {

String code=request.getParameter(“js_code”);

String url = “https://api.weixin.qq.co小白轻松搭建系统点我wcqh.cnm/sns/jscode2session?appid=”+APPID+

“&secret=”+SECRET+”&js_code=”+ code +”&grant_type=authorization_c小白轻松搭建系统点我wcqh.cnode”;

JSONObject sjson=CommonUtil.httpsRequest(url, “GET”, null);

/*String openid=””;

String session_ke小白轻松搭建系统点我wcqh.cny=””;

if (sjson != null) {

try {

openid = sjson.getString(“openid”);

session_key=sjson.getString(“sessio小白轻松搭建系统点我wcqh.cnn_key”);

} catch (Exception e) {

System.out.println(“ÒµÎñ²Ù×÷ʧ°Ü”);

e.printStackTrace();

}

} else {

Syste小白轻松搭建系统点我wcqh.cnm.out.println(“codeÎÞЧ”);

}

System.out.println(session_key+”  “+openid);*/

/*Map<String, Object> resul小白轻松搭建系统点我wcqh.cnt = new HashMap<String, Object>();

result.put(“res”, “test”);

result.put(“msg”, “ºǫ́ÒÑÊÕµ½”);*/

//   S小白轻松搭建系统点我wcqh.cntring json = new Gson().toJson(sjson);

// System.out.println(json);

Writer out=response.getWriter();

ou小白轻松搭建系统点我wcqh.cnt.write(sjson.toString());

out.flush();

}

if(“init”.equals(flag)) {

StudentDAO studentDAO=new StudentDAO小白轻松搭建系统点我wcqh.cn();

String userid=request.getParameter(“userid”);

boolean res=true;

try {

res=studentDAO.findCheck(useri小白轻松搭建系统点我wcqh.cnd);

} catch (Exception e) {

e.printStackTrace();

}

Map<String, Object> result = new HashMap<String, Obje小白轻松搭建系统点我wcqh.cnct>();

result.put(“res”, res);

result.put(“msg”, “ºǫ́ÒÑÊÕµ½”);

String json = new Gson().toJson(result)小白轻松搭建系统点我wcqh.cn;

//·µ»ØÖµ¸ø΢ÐÅС³ÌÐò

Writer out = response.getWriter();

out.write(json);

out.flush();

}

if(“student”.equ小白轻松搭建系统点我wcqh.cnals(flag)) {

StudentDAO studentDAO=new StudentDAO();

String userid=request.getParameter(“userid”);

Stri小白轻松搭建系统点我wcqh.cnng studentName=request.getParameter(“sname”);

String studentNum=request.getParameter(“snum”);

Student 小白轻松搭建系统点我wcqh.cnstudent=new Student(userid, studentName, studentNum,new Date());

try {

int a=studentDAO.create(student小白轻松搭建系统点我wcqh.cn);

if(a!=0) {

System.out.println(“²åÈë³É¹¦”);

}

} catch (Exception e) {

e.printStackTrace();

}

}

if(“teacher小白轻松搭建系统点我wcqh.cn“.equals(flag)) {

TeacherDAO teacherDAO=new TeacherDAO();

String userid=request.getParameter(“userid”)小白轻松搭建系统点我wcqh.cn;

String teacherName=request.getParameter(“tname”);

String teacherID=request.getParameter(“tnum”);

Teac小白轻松搭建系统点我wcqh.cnher tea=new Teacher(userid, teacherID, teacherName,new Date());

try {

int a=teacherDAO.create(tea);

if(小白轻松搭建系统点我wcqh.cna!=0) {

System.out.println(“²åÈë³É¹¦”);

}

} catch (Exception e) {

e.printStackTrace();

}

}

if(“guide”.equal小白轻松搭建系统点我wcqh.cns(flag)) {

StudentDAO studentDAO=new StudentDAO();

String userid=request.getParameter(“userid”);

System小白轻松搭建系统点我wcqh.cn.out.println(userid);

boolean res=true;

String state=””;

try {

res=studentDAO.findCheck(userid);

} catch 小白轻松搭建系统点我wcqh.cn(Exception e) {

e.printStackTrace();

}

if(res) {

state=”student”;

}

else{

TeacherDAO teacherDAO=new Teacher小白轻松搭建系统点我wcqh.cnDAO();

try {

res=teacherDAO.findCheck(userid);

} catch (Exception e) {

e.printStackTrace();

}

if(res) {

sta小白轻松搭建系统点我wcqh.cnte=”teacher”;

}

else {

state=”none”;

}

}

String json = new Gson().toJson(state);

//·µ»ØÖµ¸ø΢ÐÅС³ÌÐò

Writer小白轻松搭建系统点我wcqh.cn out = response.getWriter();

out.write(json);

out.flush();

}

if(“myInfo”.equals(flag)) {

String userid=re小白轻松搭建系统点我wcqh.cnquest.getParameter(“userid”);

StudentDAO studentDAO=new StudentDAO();

try {

List<String> list=studentDA小白轻松搭建系统点我wcqh.cnO.myInfo(userid);

Map<String, String> result = new HashMap<String, String>();

result.put(“backName”,li小白轻松搭建系统点我wcqh.cnst.get(0));

result.put(“backNum”, list.get(1));

String json = new Gson().toJson(result);

//·µ»ØÖµ¸ø΢ÐÅ小白轻松搭建系统点我wcqh.cnС³ÌÐò

Writer out = response.getWriter();

out.write(json);

out.flush();

} catch (Exception e) {

e.printSt小白轻松搭建系统点我wcqh.cnackTrace();

}

}

}

/**

* @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)小白轻松搭建系统点我wcqh.cn

*/

protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletExce小白轻松搭建系统点我wcqh.cnption, IOException {

// TODO Auto-generated method stub

doGet(request, response);

}}

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