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package com.inks.hb.login.controller;
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import com.google.gson.Gson;
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import com.inks.hb.common.MD5;
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import com.inks.hb.logInfo.pojo.LogInfo;
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import com.inks.hb.logInfo.service.LogInfoService;
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import com.inks.hb.logInfo.service.LogInfoServiceImpl;
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import com.inks.hb.login.pojo.Login;
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import com.inks.hb.login.service.LoginService;
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import com.inks.hb.login.service.LoginServiceImpl;
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import javax.servlet.annotation.WebServlet;
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import javax.servlet.http.HttpServlet;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import javax.servlet.http.HttpSession;
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import java.io.IOException;
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import java.io.PrintWriter;
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import java.sql.SQLException;
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/**
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* 此servlet是登录界面使用的，根据用户登录名和用户密码进行登录判断。
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* 如果登录结果判断成功就在session中写入当前的登录名值
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* 通过ajax返回给判断的结果。
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*/
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@WebServlet(value = "/QueryLoginNameServlet", name = "QueryLoginNameServlet")
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public class QueryLoginNameServlet extends HttpServlet {
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protected void doPost(HttpServletRequest request, HttpServletResponse response) throws IOException {
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this.doGet(request, response);
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}
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protected void doGet(HttpServletRequest request, HttpServletResponse response) throws IOException {
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request.setCharacterEncoding("utf-8");
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response.setContentType("text/html;charset=utf-8");
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PrintWriter out = response.getWriter();
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// 创建登录服务对象
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LoginService service = new LoginServiceImpl();
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// 创建MD5对象
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MD5 md5 = new MD5();
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// 获取用户登录名和密码
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String loginName = request.getParameter("loginName");
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String loginPwd = md5.getMD5(request.getParameter("loginPwd")); //转成MD5存储
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try {
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// 根据用户登录名和密码查询登录结果
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int check = service.queryByName(loginName, loginPwd);
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if (check == 1) { // 设置session
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// 获取session对象
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HttpSession session = request.getSession();
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// 将登录名存入session
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session.setAttribute("LoginName", loginName);
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// 根据登录名查询登录信息
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Login login = service.queryLogin(loginName);
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// 创建日志信息对象
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LogInfo logInfo = new LogInfo("登录", login.getLoginId(), login.getLoginName());
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// 创建日志服务对象
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LogInfoService logInfoService = new LogInfoServiceImpl();
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// 插入日志信息
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logInfoService.insertLogInfo(logInfo);
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}
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// 创建Gson对象
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Gson gson = new Gson();
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// 将登录结果以json格式返回
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out.print(gson.toJson(check));
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} catch (SQLException e) {
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e.printStackTrace();
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}
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}
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}
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