文章目录
这是一个没有目录只有代码的文章哦 感觉大家都能理解代码 就不仔细描述了前台后台这是一个没有目录只有代码的文章哦 感觉大家都能理解代码 就不仔细描述了
前台
<!--pages/login/login.wxml--><view id="total"><image src="../../assets/img/lxlogo.png"></image><form bindsubmit="create_login"><view id="t1"><text>账号</text><input type="text" name="username" id="use" placeholder="输入您的账号" value="{{username}}"></input></view><view id="t2"><text>密码</text><input type="password" name="password" id="pass1" placeholder="输入您密码" value="{{password}}"></input></view><button bindtap="goto_index" id="btn1" form-type="submit"><text>登陆</text></button></form></view>
// pages/history/history.jsPage({/*** 页面的初始数据*/data: {},/*** 生命周期函数--监听页面加载*/onLoad: function (options) {},/*** 生命周期函数--监听页面初次渲染完成*/onReady: function () {},/*** 生命周期函数--监听页面显示*/onShow: function () {wx.redirectTo({url: '../timerShaft/timerShaft',success: function(res) {},fail: function(res) {},complete: function(res) {},})},/*** 生命周期函数--监听页面隐藏*/onHide: function () {},/*** 生命周期函数--监听页面卸载*/onUnload: function () {},/*** 页面相关事件处理函数--监听用户下拉动作*/onPullDownRefresh: function () {},/*** 页面上拉触底事件的处理函数*/onReachBottom: function () {},/*** 用户点击右上角分享*/onShareAppMessage: function () {}})
后台
package top.lixiang007.servlet;import java.io.IOException;import java.sql.Connection;import java.sql.DriverManager;import java.sql.PreparedStatement;import java.sql.ResultSet;import java.sql.SQLException;import javax.servlet.ServletException;import javax.servlet.annotation.WebServlet;import javax.servlet.http.HttpServlet;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import com.google.gson.Gson;import top.lixiang007.utils.DButils;/*** Servlet implementation class login*/@WebServlet("/DengLu")public class DengLu extends HttpServlet {protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {request.setCharacterEncoding("UTF-8");response.setContentType("text/json;charset=UTF-8");Connection cn = null;PreparedStatement ps = null;ResultSet rs = null;String username = request.getParameter("username");String password = request.getParameter("password");//DButils db=new DButils();Gson gson = new Gson();try {cn = DButils.getConnection();ps = cn.prepareStatement("select * from user where username=? and password=?");ps.setString(1, username);ps.setString(2, password);rs = ps.executeQuery();if(rs.next()) {System.out.println("登陆成功！");String json = gson.toJson("true");response.getWriter().write(json);}else {System.out.println("账号或密码不正确！");String json = gson.toJson("false");response.getWriter().write(json);}} catch (Exception e) {e.printStackTrace();}finally {try {if(rs!=null)rs.close();} catch (SQLException e) {e.printStackTrace();}try {if(ps!=null)ps.close();} catch (SQLException e) {e.printStackTrace();}try {if(cn!=null)cn.close();} catch (SQLException e) {e.printStackTrace();}}}protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {doGet(request, response);}}
