介绍 package 控制器;
import net.sf.json.JSONObject;
import util.DBUtil;
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 javax.servlet.http.HttpSession;
import java.io.IOException;
import java.sql.Connection;
import java.sql.Date;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
@WebServlet (=name “login", urlPatterns =,“/login")
public class login extends HttpServlet {
protected 才能;void doPost (HttpServletRequest 请求,HttpServletResponse 响应),throws ServletException, IOException {
,,,HttpSession session =, request.getSession(真正的);
,,,String username =, request.getParameter (“username");
,,,String password =, request.getParameter (“password");
,,,DBUtil DBUtil =, new DBUtil ();
,,,Connection Connection =, dbUtil.getConnection ();
,,,PreparedStatement preparedStatement;
,,,ResultSet 遥感;
,,,String psw=啊?
,,,String sql =,“select password 得到“用户”,where 用户名=吗?“
,,,try {
,,,,,preparedStatement =, connection.prepareStatement (sql);
,,,,,preparedStatement.setInt (1, Integer.parseInt(用户名);
,,,,,rs =, preparedStatement.executeQuery ();
,,,,,while (rs.next ()) {
,,,,,,,psw =, rs.getString (“password");
,,,,,}
,,,}
,,,catch (Exception e) {
,,,,,e.printStackTrace ();
,,,}
,,,if (password.equals (psw)) {
,,,,,session.setAttribute (“username"、用户名);
,,,,,response.getWriter () .print (“true");
,,,}
,,,
,,,response.getWriter () .print (“false");
,,}
protected 才能;void doGet (HttpServletRequest 请求,HttpServletResponse 响应),throws ServletException, IOException {
,,}
} & lt; ! DOCTYPE html>
& lt; html lang=癳n"祝辞
& lt; head>
& lt;才能meta charset=癠TF-8"比;
& lt;才能title> Login</title>
& lt;才能script src=皀ode_modules vue/dist/vue.js"祝辞& lt;/script>
& lt;才能!——axios基于承诺——比;
& lt;才能script src=皀ode_modules axios/dist/axios.js"祝辞& lt;/script>
& lt;才能script src=發ogin.js"祝辞& lt;/script>
& lt;才能script src=癶ttps://cdn.bootcss.com/vue-resource/1.5.1/vue-resource.min.js"祝辞& lt;/script>
& lt;才能link rel=皊tylesheet", href=發ogin.css", rel=癳xternal nofollow",在
& lt;/head>
& lt; body>
& lt; div 类=發ogin_interface", id=癷nterface_height"比;
& lt;才能img src=癷c_login_logo.png", alt=?”,类=發ogin_logo"比;
& lt;才能span id=發ogin_head"在智慧图书管理平台& lt;/span>
& lt;才能div 类=發ogin_input"比;
,,,& lt; img src=癷c_login_number.png", alt=?”,类=發ogin_number"比;
,,,& lt; input 类型=皌ext", value=扒胧淙胝撕拧?id=癷nput_number", v模型=皍sername"比;
& lt;才能/div>
& lt;才能div 类=發ogin_input", id=癮dd_top"比;
,,,& lt; img src=癷c_login_password.png", alt=?”,类=發ogin_number"比;
,,,& lt; input 类型=皌ext", value=扒胧淙朊苈搿?id=癷nput_password", v模型=皃assword"比;
& lt;才能/div>
& lt;才能button 类=發ogin_unselected", id=皌ick"祝辞& lt;/button>
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这期内容当中小编将会给大家带来有关使用Vue怎么调用后端java接口,文章内容丰富且以专业的角度为大家分析和叙述,阅读完这篇文章希望大家可以有所收获。
<强>后端接口代码:
<>强前端调用:
