B/S架构风格

3 years ago · 3e55df6c44
parent 2bbaf0539c
commit 3e55df6c44
70 changed files with 958 additions and 0 deletions
--- a/day16_test/day16_test.iml
+++ b/day16_test/day16_test.iml
@ -0,0 +1,49 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
+  <component name="FacetManager">
+    <facet type="web" name="Web">
+      <configuration>
+        <descriptors>
+          <deploymentDescriptor name="web.xml" url="file://$MODULE_DIR$/src/main/webapp/WEB-INF/web.xml" />
+        </descriptors>
+        <webroots>
+          <root url="file://$MODULE_DIR$/src/main/webapp" relative="/" />
+        </webroots>
+        <sourceRoots>
+          <root url="file://$MODULE_DIR$/src/main/java" />
+          <root url="file://$MODULE_DIR$/src/main/resources" />
+        </sourceRoots>
+      </configuration>
+    </facet>
+  </component>
+  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
+    <output url="file://$MODULE_DIR$/target/classes" />
+    <output-test url="file://$MODULE_DIR$/target/test-classes" />
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/src/main/resources" type="java-resource" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+      <sourceFolder url="file://$MODULE_DIR$/src/test/resources" type="java-test-resource" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="jdk" jdkName="1.8" jdkType="JavaSDK" />
+    <orderEntry type="sourceFolder" forTests="false" />
+    <orderEntry type="library" scope="PROVIDED" name="Maven: javax.servlet:javax.servlet-api:4.0.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-api:5.7.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.apiguardian:apiguardian-api:1.1.0" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.opentest4j:opentest4j:1.2.0" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.platform:junit-platform-commons:1.7.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.jupiter:junit-jupiter-engine:5.7.1" level="project" />
+    <orderEntry type="library" scope="TEST" name="Maven: org.junit.platform:junit-platform-engine:1.7.1" level="project" />
+    <orderEntry type="module-library">
+      <library>
+        <CLASSES>
+          <root url="file://$MODULE_DIR$/src/main/webapp/WEB-INF/lib" />
+        </CLASSES>
+        <JAVADOC />
+        <SOURCES />
+        <jarDirectory url="file://$MODULE_DIR$/src/main/webapp/WEB-INF/lib" recursive="false" />
+      </library>
+    </orderEntry>
+  </component>
+</module>
--- a/day16_test/pom.xml
+++ b/day16_test/pom.xml
@ -0,0 +1,47 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project xmlns="http://maven.apache.org/POM/4.0.0"
+         xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
+  <modelVersion>4.0.0</modelVersion>
+
+  <groupId>com.example</groupId>
+  <artifactId>day16_test</artifactId>
+  <version>1.0-SNAPSHOT</version>
+  <name>day16_test</name>
+  <packaging>war</packaging>
+
+  <properties>
+    <maven.compiler.target>1.8</maven.compiler.target>
+    <maven.compiler.source>1.8</maven.compiler.source>
+      <junit.version>5.7.1</junit.version>
+      </properties>
+
+  <dependencies>
+                                                                        <dependency>
+      <groupId>javax.servlet</groupId>
+      <artifactId>javax.servlet-api</artifactId>
+      <version>4.0.1</version>
+      <scope>provided</scope>
+    </dependency>                                                                        
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-api</artifactId>
+      <version>${junit.version}</version>
+      <scope>test</scope>
+    </dependency>
+    <dependency>
+      <groupId>org.junit.jupiter</groupId>
+      <artifactId>junit-jupiter-engine</artifactId>
+      <version>${junit.version}</version>
+      <scope>test</scope>
+    </dependency>      </dependencies>
+
+  <build>
+      <plugins>
+      <plugin>
+        <groupId>org.apache.maven.plugins</groupId>
+        <artifactId>maven-war-plugin</artifactId>
+        <version>3.3.1</version>
+      </plugin>                </plugins>
+  </build>
+</project>
--- a/day16_test/src/main/java/com/example/dao/StudentDao.java
+++ b/day16_test/src/main/java/com/example/dao/StudentDao.java
@ -0,0 +1,97 @@
+package com.example.dao;
+
+import com.example.domain.Student;
+import com.example.domain.User;
+import com.example.util.DBConnection;
+import com.example.util.JDBCUtil;
+import org.springframework.dao.DataAccessException;
+import org.springframework.jdbc.core.BeanPropertyRowMapper;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+import java.util.List;
+
+public class StudentDao {
+
+    public List<Student> queryAll(){
+        List<Student> list = new ArrayList<Student>();
+
+        Connection conn = DBConnection.getConn();
+        PreparedStatement ps = null;
+        ResultSet rs = null;
+        String sql = "select * from student";
+
+        try {
+            ps = conn.prepareStatement(sql);
+            rs = ps.executeQuery();
+            while(rs.next()){
+                list.add(new Student(rs.getString(1),rs.getString(2),rs.getString(3),rs.getString(4)));
+            }
+        } catch (SQLException throwables) {
+            throwables.printStackTrace();
+        }
+
+        return list;
+    }
+
+    public void delById(int id){
+        Connection conn = DBConnection.getConn();
+        String sql = "delete from student where id = ?";
+        PreparedStatement ps = null;
+
+        try {
+            ps = conn.prepareStatement(sql);
+            ps.setInt(1,id);
+            ps.executeUpdate();
+        } catch (SQLException throwables) {
+            throwables.printStackTrace();
+        } finally {
+            DBConnection.close(null,ps,conn);
+        }
+    }
+
+    public void addstudent(String id,String name,String sex,String major){
+        Connection conn = DBConnection.getConn();
+        String sql = "insert into student values(?,?,?,?)";
+        PreparedStatement ps = null;
+        try {
+            ps = conn.prepareStatement(sql);
+
+            //给参数赋值
+            ps.setString(1,id);
+            ps.setString(2,name);
+            ps.setString(3,sex);
+            ps.setString(4,major);
+
+            //执行
+            ps.executeUpdate();
+        } catch (SQLException throwables) {
+            throwables.printStackTrace();
+        }
+    }
+
+    public static Student queryById(String id){
+        String sql = "select * from student where id = ?";
+        Connection conn = null;
+        PreparedStatement ps = null;
+        ResultSet rs = null;
+        Student student = null;
+
+        try {
+            conn = DBConnection.getConn();
+            ps = conn.prepareStatement(sql);
+            ps.setString(1,id);
+            rs = ps.executeQuery();
+            while (rs.next()){
+                student = new Student(rs.getString(1),rs.getString(2),rs.getString(3),rs.getString(4));
+            }
+        } catch (SQLException throwables) {
+            throwables.printStackTrace();
+        }
+        return student;
+    }
+}
--- a/day16_test/src/main/java/com/example/dao/UserDao.java
+++ b/day16_test/src/main/java/com/example/dao/UserDao.java
@ -0,0 +1,24 @@
+package com.example.dao;
+
+import com.example.domain.User;
+import com.example.util.JDBCUtil;
+import org.springframework.dao.DataAccessException;
+import org.springframework.jdbc.core.BeanPropertyRowMapper;
+import org.springframework.jdbc.core.JdbcTemplate;
+
+public class UserDao {
+
+    private JdbcTemplate template = new JdbcTemplate(JDBCUtil.getDataSource());
+
+    public User login(User loginUser){
+
+        try{
+            String sql = "select * from user where username = ? and password = ?";
+            User user = template.queryForObject(sql, new BeanPropertyRowMapper<>(User.class), loginUser.getUsername(), loginUser.getPassword());
+            return user;
+        }catch(DataAccessException e){
+            e.printStackTrace();
+            return null;
+        }
+    }
+}
--- a/day16_test/src/main/java/com/example/domain/Student.java
+++ b/day16_test/src/main/java/com/example/domain/Student.java
@ -0,0 +1,47 @@
+package com.example.domain;
+
+public class Student {
+    private String id;
+    private String name;
+    private String sex;
+    private String major;
+
+    public Student(String id, String name, String sex, String major) {
+        this.id = id;
+        this.name = name;
+        this.sex = sex;
+        this.major = major;
+    }
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getSex() {
+        return sex;
+    }
+
+    public void setSex(String sex) {
+        this.sex = sex;
+    }
+
+    public String getMajor() {
+        return major;
+    }
+
+    public void setMajor(String major) {
+        this.major = major;
+    }
+}
--- a/day16_test/src/main/java/com/example/domain/User.java
+++ b/day16_test/src/main/java/com/example/domain/User.java
@ -0,0 +1,31 @@
+package com.example.domain;
+
+public class User {
+    private int id;
+    private String username;
+    private String password;
+
+    public int getId() {
+        return id;
+    }
+
+    public void setId(int id) {
+        this.id = id;
+    }
+
+    public String getUsername() {
+        return username;
+    }
+
+    public void setUsername(String username) {
+        this.username = username;
+    }
+
+    public String getPassword() {
+        return password;
+    }
+
+    public void setPassword(String password) {
+        this.password = password;
+    }
+}
--- a/day16_test/src/main/java/com/example/servlet/CheckCodeServlet.java
+++ b/day16_test/src/main/java/com/example/servlet/CheckCodeServlet.java
@ -0,0 +1,78 @@
+package com.example.servlet;
+
+import javax.imageio.ImageIO;
+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 java.awt.*;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.util.Random;
+
+@WebServlet("/checkCodeServlet")
+public class CheckCodeServlet extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
+
+        int width = 100;
+        int height = 50;
+
+        //1.创建一对象，在内存中生成图片
+        BufferedImage image =  new BufferedImage(width,height,BufferedImage.TYPE_3BYTE_BGR);
+
+        //2.美化图片
+        //2.1填充背景色
+        Graphics g = image.getGraphics();//画笔对象
+        g.setColor(Color.PINK);//设置画笔颜色
+        g.fillRect(0,0,width,height);
+
+        //2.2画边框
+        g.setColor(Color.BLUE);
+        g.drawRect(0,0,width,height);
+
+        String str = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789";
+
+        //生成随机角标
+        Random random = new Random();
+        StringBuilder sb = new StringBuilder();
+        for (int i = 1 ; i <= 4 ; i++){
+            //获取随机角标
+            int index = random.nextInt(str.length());
+            //获取随机字符
+            char ch = str.charAt(index);
+
+            sb.append(ch);
+
+            //2.3写验证码
+            g.drawString(String.valueOf(ch),width/5*i,height/2);
+        }
+        String checkCode_session = sb.toString();
+        request.getSession().setAttribute("checkCode_session",checkCode_session);
+
+
+        g.setColor(Color.GREEN);//设置画笔颜色
+        Random ran = new Random();
+        for(int i = 0 ; i < 5 ; i++){
+            //设置两个随机坐标点
+            int x1 = ran.nextInt(width);
+            int y1 = ran.nextInt(height);
+
+            int x2 = ran.nextInt(width);
+            int y2 = ran.nextInt(height);
+
+            //2.4画干扰线
+            g.drawLine(x1,y1,x2,y2);
+        }
+
+        //3.将图片输出到页面展示
+        ImageIO.write(image,"jpg",response.getOutputStream());
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        this.doGet(request,response);
+    }
+}
--- a/day16_test/src/main/java/com/example/servlet/LoginServlet.java
+++ b/day16_test/src/main/java/com/example/servlet/LoginServlet.java
@ -0,0 +1,60 @@
+package com.example.servlet;
+
+import com.example.dao.UserDao;
+import com.example.domain.User;
+
+import javax.servlet.*;
+import javax.servlet.http.*;
+import javax.servlet.annotation.*;
+import java.io.IOException;
+import java.util.Map;
+
+@WebServlet("/loginServlet")
+public class LoginServlet extends HttpServlet {
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        this.doPost(request, response);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        //1.设置request编码
+        request.setCharacterEncoding("UTF-8");
+
+        //2.获取参数
+        String username = request.getParameter("username");
+        String password = request.getParameter("password");
+        String checkCode = request.getParameter("checkCode");
+
+        HttpSession session = request.getSession();
+        String checkCode_session = (String) session.getAttribute("checkCode_session");
+        if(checkCode_session.equalsIgnoreCase(checkCode)){
+            //忽略大小写进行比较
+            //验证码正确
+            //判断用户名和密码是否一致
+            User loginUser = new User();
+            loginUser.setUsername(username);
+            loginUser.setPassword(password);
+
+            UserDao userDao = new UserDao();
+            User user = userDao.login(loginUser);
+
+            if(user == null){
+                //登陆失败
+                request.setAttribute("login_error","用户名或密码错误");
+                //转发到登录界面
+                request.getRequestDispatcher("/login.jsp").forward(request,response);
+            }else{
+                //登陆成功
+                session.setAttribute("user",username);
+                response.sendRedirect(request.getContextPath()+"/success.jsp");
+            }
+        }else{
+            //验证码不一致
+            //储存提示信息到request
+            request.setAttribute("cc_error","验证码错误");
+            //转发到登录界面
+            request.getRequestDispatcher("/login.jsp").forward(request,response);
+        }
+    }
+}
--- a/day16_test/src/main/java/com/example/servlet/StudentAddServlet.java
+++ b/day16_test/src/main/java/com/example/servlet/StudentAddServlet.java
@ -0,0 +1,37 @@
+package com.example.servlet;
+
+import com.example.dao.StudentDao;
+import com.example.domain.Student;
+
+import javax.servlet.*;
+import javax.servlet.http.*;
+import javax.servlet.annotation.*;
+import java.io.IOException;
+import java.util.ArrayList;
+import java.util.List;
+
+@WebServlet("/studentAddServlet")
+public class StudentAddServlet extends HttpServlet {
+
+    private StudentDao dao = new StudentDao();
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        this.doPost(request, response);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+
+        //获取参数
+        String id = request.getParameter("id");
+        String name = request.getParameter("name");
+        String sex = request.getParameter("sex");
+        String major = request.getParameter("major");
+        //调用dao方法修改
+        dao.addstudent(id,name,sex,major);
+        List<Student> list = new ArrayList<Student>();
+        request.setAttribute("students",list);
+        //跳转回页面列表
+        request.getRequestDispatcher("stulist.jsp").forward(request,response);
+    }
+}
--- a/day16_test/src/main/java/com/example/servlet/StudentDelServlet.java
+++ b/day16_test/src/main/java/com/example/servlet/StudentDelServlet.java
@ -0,0 +1,33 @@
+package com.example.servlet;
+
+import com.example.dao.StudentDao;
+import com.example.domain.Student;
+
+import javax.servlet.*;
+import javax.servlet.http.*;
+import javax.servlet.annotation.*;
+import java.io.IOException;
+import java.util.List;
+
+@WebServlet("/studentDelServlet")
+public class StudentDelServlet extends HttpServlet {
+
+    private StudentDao dao = new StudentDao();
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        this.doPost(request, response);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        String idstr = request.getParameter("id");
+        int id = Integer.parseInt(idstr);
+
+        //调用dap方法删除
+        dao.delById(id);
+        List<Student> list = dao.queryAll();
+        request.setAttribute("students",list);
+        //跳转回列表页面
+        request.getRequestDispatcher("stulist.jsp").forward(request,response);
+    }
+}
--- a/day16_test/src/main/java/com/example/servlet/StudentListServlet.java
+++ b/day16_test/src/main/java/com/example/servlet/StudentListServlet.java
@ -0,0 +1,27 @@
+package com.example.servlet;
+
+import com.example.dao.StudentDao;
+import com.example.domain.Student;
+
+import javax.servlet.*;
+import javax.servlet.http.*;
+import javax.servlet.annotation.*;
+import java.io.IOException;
+import java.util.List;
+
+@WebServlet("/studentListServlet")
+public class StudentListServlet extends HttpServlet {
+
+    private StudentDao dao = new StudentDao();
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        this.doPost(request, response);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        List<Student> list = dao.queryAll();
+        request.setAttribute("students",list);
+        request.getRequestDispatcher("stulist.jsp").forward(request,response);
+    }
+}
--- a/day16_test/src/main/java/com/example/servlet/StudentViewServlet.java
+++ b/day16_test/src/main/java/com/example/servlet/StudentViewServlet.java
@ -0,0 +1,27 @@
+package com.example.servlet;
+
+import com.example.dao.StudentDao;
+import com.example.domain.Student;
+
+import javax.servlet.*;
+import javax.servlet.http.*;
+import javax.servlet.annotation.*;
+import java.io.IOException;
+
+@WebServlet("/studentViewServlet")
+public class StudentViewServlet extends HttpServlet {
+
+    private StudentDao dao = new StudentDao();
+    @Override
+    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        this.doPost(request, response);
+    }
+
+    @Override
+    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
+        String id = request.getParameter("id");
+        Student student = dao.queryById(id);
+        request.setAttribute("students",student);
+        request.getRequestDispatcher("viewstudent.jsp").forward(request,response);
+    }
+}
--- a/day16_test/src/main/java/com/example/util/DBConnection.java
+++ b/day16_test/src/main/java/com/example/util/DBConnection.java
@ -0,0 +1,61 @@
+package com.example.util;
+
+import java.sql.*;
+
+public class DBConnection {
+    private static String url = "jdbc:mysql://localhost:3306/day14";
+    private static String user = "root";
+    private static String password = "root";
+
+    static{
+        //1.加载驱动
+        try{
+            Class.forName("com.mysql.jdbc.Driver");
+        }catch (ClassNotFoundException e){
+            e.printStackTrace();
+        }
+    }
+
+    /*
+    * 获取数据库连接对象
+    * */
+
+    public static Connection getConn(){
+        Connection conn = null;
+        try {
+            conn= DriverManager.getConnection(url,user,password);
+            System.out.println("连接数据库成功");
+        } catch (SQLException throwables) {
+            throwables.printStackTrace();
+        }
+        return conn;
+    }
+
+    public static void close(ResultSet rs, PreparedStatement ps,Connection conn){
+        if(rs != null){
+            try {
+                rs.close();
+            } catch (SQLException throwables) {
+                throwables.printStackTrace();
+            }
+        }
+        if(ps != null){
+            try {
+                ps.close();
+            } catch (SQLException throwables) {
+                throwables.printStackTrace();
+            }
+        }
+        if(conn != null){
+            try {
+                conn.close();
+            } catch (SQLException throwables) {
+                throwables.printStackTrace();
+            }
+        }
+    }
+
+    public static void main(String[] args) {
+        System.out.println(DBConnection.getConn());
+    }
+}
--- a/day16_test/src/main/java/com/example/util/JDBCUtil.java
+++ b/day16_test/src/main/java/com/example/util/JDBCUtil.java
@ -0,0 +1,51 @@
+package com.example.util;
+
+
+
+
+
+import com.alibaba.druid.pool.DruidDataSourceFactory;
+
+
+import javax.sql.DataSource;
+import java.io.IOException;
+import java.io.InputStream;
+import java.sql.Connection;
+import java.sql.SQLException;
+import java.util.Properties;
+
+public class JDBCUtil {
+
+    private static DataSource ds;
+
+    static {
+        try {
+            //1.加载配置文件
+            Properties pro = new Properties();
+            //使用ClassLoader加载配置文件，获取字节输入流
+            InputStream is = JDBCUtil.class.getClassLoader().getResourceAsStream("druid.properties");
+            pro.load(is);
+
+            //2.初始化连接池对象
+            ds = DruidDataSourceFactory.createDataSource(pro);
+        } catch (IOException e) {
+            e.printStackTrace();
+        } catch (Exception e) {
+            e.printStackTrace();
+        }
+    }
+
+    /*
+     * 获取连接Connection对象
+     * */
+    public static Connection getConnection() throws SQLException {
+        return ds.getConnection();
+    }
+
+    /*
+     * 获取连接池对象
+     * */
+    public static DataSource getDataSource(){
+        return ds;
+    }
+}
--- a/day16_test/src/main/resources/druid.properties
+++ b/day16_test/src/main/resources/druid.properties
@ -0,0 +1,7 @@
+driverClassName=com.mysql.jdbc.Driver
+url=jdbc:mysql:///day14
+username=root
+password=root
+initialSize=5
+maxActive=10
+maxWait=3000
--- a/day16_test/src/main/webapp/WEB-INF/lib/commons-beanutils-1.8.0.jar
+++ b/day16_test/src/main/webapp/WEB-INF/lib/commons-beanutils-1.8.0.jar
--- a/day16_test/src/main/webapp/WEB-INF/lib/commons-logging-1.2.jar
+++ b/day16_test/src/main/webapp/WEB-INF/lib/commons-logging-1.2.jar
--- a/day16_test/src/main/webapp/WEB-INF/lib/druid-1.0.9.jar
+++ b/day16_test/src/main/webapp/WEB-INF/lib/druid-1.0.9.jar
--- a/day16_test/src/main/webapp/WEB-INF/lib/mchange-commons-java-0.2.12.jar
+++ b/day16_test/src/main/webapp/WEB-INF/lib/mchange-commons-java-0.2.12.jar
--- a/day16_test/src/main/webapp/WEB-INF/lib/mysql-connector-java-5.1.37-bin.jar
+++ b/day16_test/src/main/webapp/WEB-INF/lib/mysql-connector-java-5.1.37-bin.jar
--- a/day16_test/src/main/webapp/WEB-INF/lib/spring-beans-5.0.0.RELEASE.jar
+++ b/day16_test/src/main/webapp/WEB-INF/lib/spring-beans-5.0.0.RELEASE.jar
--- a/day16_test/src/main/webapp/WEB-INF/lib/spring-core-5.0.0.RELEASE.jar
+++ b/day16_test/src/main/webapp/WEB-INF/lib/spring-core-5.0.0.RELEASE.jar
--- a/day16_test/src/main/webapp/WEB-INF/lib/spring-jdbc-5.0.0.RELEASE.jar
+++ b/day16_test/src/main/webapp/WEB-INF/lib/spring-jdbc-5.0.0.RELEASE.jar
--- a/day16_test/src/main/webapp/WEB-INF/lib/spring-tx-5.0.0.RELEASE.jar
+++ b/day16_test/src/main/webapp/WEB-INF/lib/spring-tx-5.0.0.RELEASE.jar
--- a/day16_test/src/main/webapp/addstudent.jsp
+++ b/day16_test/src/main/webapp/addstudent.jsp
@ -0,0 +1,16 @@
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+    <h2>学生信息</h2>
+    <form action="/day/studentAddServlet" method="post">
+        <input type="text" name="id" placeholder="学号">
+        <input type="text" name="name" placeholder="姓名">
+        <input type="text" name="sex" placeholder="性别">
+        <input type="text" name="major" placeholder="专业">
+        <input type="submit" value="提交">
+    </form>
+</body>
+</html>
--- a/day16_test/src/main/webapp/login.jsp
+++ b/day16_test/src/main/webapp/login.jsp
@ -0,0 +1,33 @@
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<script>
+    window.onload = function (){
+        var img = document.getElementById("check");
+        img.onclick = function (){
+
+            var date = new Date().getTime();
+            img.src = "/day/checkCodeServlet?"+date;
+        }
+    }
+</script>
+<style>
+    div{
+        color: red;
+    }
+</style>
+<body>
+<form method="post" action="/day/loginServlet">
+    用户名：<input type="text" name="username"><br>
+    密码：<input type="password" name="password"><br>
+    验证码：<input type="text" name="checkCode"><br>
+    <img id="check" src="/day/checkCodeServlet" /><br>
+    <input type="submit" value="登录">
+</form>
+
+<div>${cc_error}</div>
+<div>${login_error}</div>
+</body>
+</html>
--- a/day16_test/src/main/webapp/stulist.jsp
+++ b/day16_test/src/main/webapp/stulist.jsp
@ -0,0 +1,46 @@
+<%@ page import="java.util.List" %>
+<%@ page import="com.example.domain.Student" %>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+    <style type="text/css">
+        table{
+            border:1px solid gray;
+            border-collapse:collapse;
+            width: 100%;
+        }
+        td{
+            border:1px solid gray;
+        }
+    </style>
+    <%
+        List<Student> list = (List<Student>)request.getAttribute("students");
+    %>
+</head>
+<body>
+<h1>学生管理系统</h1>
+    <table>
+        <tr>
+            <td>学号</td>
+            <td>姓名</td>
+            <td>性别</td>
+            <td>专业</td>
+            <td>操作</td>
+        </tr>
+        <%
+            for (Student s:list){
+                %>
+                <tr>
+                    <td><%=s.getId()%></td>
+                    <td><%=s.getName()%></td>
+                    <td><%=s.getSex()%></td>
+                    <td><%=s.getMajor()%></td>
+                    <td><a href="/day/studentDelServlet?id=<%=s.getId()%>">删除</a></td>
+                    <td><a href="/day/studentViewServlet?id=<%=s.getId()%>">查看</a></td>
+                </tr>
+            <%}%>
+    </table>
+    <a href="addstudent.jsp">添加学生</a>
+</body>
+</html>
--- a/day16_test/src/main/webapp/success.jsp
+++ b/day16_test/src/main/webapp/success.jsp
@ -0,0 +1,10 @@
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+    <h1><%=request.getSession().getAttribute("user")%>,欢迎回来！</h1>
+    <a href="/day/studentListServlet">查看学生列表</a>
+</body>
+</html>
--- a/day16_test/src/main/webapp/viewstudent.jsp
+++ b/day16_test/src/main/webapp/viewstudent.jsp
@ -0,0 +1,26 @@
+<%@ page import="com.example.domain.Student" %>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>viewstudent</title>
+</head>
+<body>
+<table>
+    <tr>
+        <td>学号</td>
+        <td>姓名</td>
+        <td>性别</td>
+        <td>专业</td>
+    </tr>
+    <tr>
+        <%
+            Student s = (Student)request.getAttribute("students");
+        %>
+        <td><%=s.getId()%></td>
+        <td><%=s.getName()%></td>
+        <td><%=s.getSex()%></td>
+        <td><%=s.getMajor()%></td>
+    </tr>
+</table>
+</body>
+</html>
--- a/day16_test/target/classes/com/example/dao/StudentDao.class
+++ b/day16_test/target/classes/com/example/dao/StudentDao.class
--- a/day16_test/target/classes/com/example/dao/UserDao.class
+++ b/day16_test/target/classes/com/example/dao/UserDao.class
--- a/day16_test/target/classes/com/example/domain/Student.class
+++ b/day16_test/target/classes/com/example/domain/Student.class
--- a/day16_test/target/classes/com/example/domain/User.class
+++ b/day16_test/target/classes/com/example/domain/User.class
--- a/day16_test/target/classes/com/example/servlet/CheckCodeServlet.class
+++ b/day16_test/target/classes/com/example/servlet/CheckCodeServlet.class
--- a/day16_test/target/classes/com/example/servlet/LoginServlet.class
+++ b/day16_test/target/classes/com/example/servlet/LoginServlet.class
--- a/day16_test/target/classes/com/example/servlet/StudentAddServlet.class
+++ b/day16_test/target/classes/com/example/servlet/StudentAddServlet.class
--- a/day16_test/target/classes/com/example/servlet/StudentDelServlet.class
+++ b/day16_test/target/classes/com/example/servlet/StudentDelServlet.class
--- a/day16_test/target/classes/com/example/servlet/StudentListServlet.class
+++ b/day16_test/target/classes/com/example/servlet/StudentListServlet.class
--- a/day16_test/target/classes/com/example/servlet/StudentViewServlet.class
+++ b/day16_test/target/classes/com/example/servlet/StudentViewServlet.class
--- a/day16_test/target/classes/com/example/util/DBConnection.class
+++ b/day16_test/target/classes/com/example/util/DBConnection.class
--- a/day16_test/target/classes/com/example/util/JDBCUtil.class
+++ b/day16_test/target/classes/com/example/util/JDBCUtil.class
--- a/day16_test/target/classes/druid.properties
+++ b/day16_test/target/classes/druid.properties
@ -0,0 +1,7 @@
+driverClassName=com.mysql.jdbc.Driver
+url=jdbc:mysql:///day14
+username=root
+password=root
+initialSize=5
+maxActive=10
+maxWait=3000
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/META-INF/MANIFEST.MF
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/META-INF/MANIFEST.MF
@ -0,0 +1,5 @@
+Manifest-Version: 1.0
+Created-By: IntelliJ IDEA
+Built-By: 郑旭彬
+Build-Jdk: version 1.8.0_191
+
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/dao/StudentDao.class
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/dao/StudentDao.class
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/dao/UserDao.class
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/dao/UserDao.class
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/domain/Student.class
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/domain/Student.class
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/domain/User.class
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/domain/User.class
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/servlet/CheckCodeServlet.class
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/servlet/CheckCodeServlet.class
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/servlet/LoginServlet.class
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/servlet/LoginServlet.class
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/servlet/StudentAddServlet.class
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/servlet/StudentAddServlet.class
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/servlet/StudentDelServlet.class
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/servlet/StudentDelServlet.class
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/servlet/StudentListServlet.class
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/servlet/StudentListServlet.class
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/servlet/StudentViewServlet.class
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/servlet/StudentViewServlet.class
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/util/DBConnection.class
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/util/DBConnection.class
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/util/JDBCUtil.class
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/com/example/util/JDBCUtil.class
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/druid.properties
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/classes/druid.properties
@ -0,0 +1,7 @@
+driverClassName=com.mysql.jdbc.Driver
+url=jdbc:mysql:///day14
+username=root
+password=root
+initialSize=5
+maxActive=10
+maxWait=3000
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/commons-beanutils-1.8.0.jar
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/commons-beanutils-1.8.0.jar
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/commons-logging-1.2.jar
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/commons-logging-1.2.jar
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/druid-1.0.9.jar
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/druid-1.0.9.jar
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/mchange-commons-java-0.2.12.jar
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/mchange-commons-java-0.2.12.jar
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/mysql-connector-java-5.1.37-bin.jar
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/mysql-connector-java-5.1.37-bin.jar
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/spring-beans-5.0.0.RELEASE.jar
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/spring-beans-5.0.0.RELEASE.jar
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/spring-core-5.0.0.RELEASE.jar
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/spring-core-5.0.0.RELEASE.jar
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/spring-jdbc-5.0.0.RELEASE.jar
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/spring-jdbc-5.0.0.RELEASE.jar
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/spring-tx-5.0.0.RELEASE.jar
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/WEB-INF/lib/spring-tx-5.0.0.RELEASE.jar
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/addstudent.jsp
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/addstudent.jsp
@ -0,0 +1,16 @@
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+    <h2>学生信息</h2>
+    <form action="/day/studentAddServlet" method="post">
+        <input type="text" name="id" placeholder="学号">
+        <input type="text" name="name" placeholder="姓名">
+        <input type="text" name="sex" placeholder="性别">
+        <input type="text" name="major" placeholder="专业">
+        <input type="submit" value="提交">
+    </form>
+</body>
+</html>
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/login.jsp
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/login.jsp
@ -0,0 +1,33 @@
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<script>
+    window.onload = function (){
+        var img = document.getElementById("check");
+        img.onclick = function (){
+
+            var date = new Date().getTime();
+            img.src = "/day/checkCodeServlet?"+date;
+        }
+    }
+</script>
+<style>
+    div{
+        color: red;
+    }
+</style>
+<body>
+<form method="post" action="/day/loginServlet">
+    用户名：<input type="text" name="username"><br>
+    密码：<input type="password" name="password"><br>
+    验证码：<input type="text" name="checkCode"><br>
+    <img id="check" src="/day/checkCodeServlet" /><br>
+    <input type="submit" value="登录">
+</form>
+
+<div>${cc_error}</div>
+<div>${login_error}</div>
+</body>
+</html>
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/stulist.jsp
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/stulist.jsp
@ -0,0 +1,47 @@
+<%@ page import="java.util.List" %>
+<%@ page import="com.example.domain.Student" %>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+    <style type="text/css">
+        table{
+            border:1px solid gray;
+            border-collapse:collapse;
+            width: 100%;
+        }
+        td{
+            border:1px solid gray;
+        }
+    </style>
+    <%
+        List<Student> list = (List<Student>)request.getAttribute("students");
+    %>
+</head>
+<body>
+<h1>学生管理系统</h1>
+    <table>
+        <tr>
+            <td>学号</td>
+            <td>姓名</td>
+            <td>性别</td>
+            <td>专业</td>
+            <td>操作</td>
+        </tr>
+        <%
+            for (Student s:list){
+                %>
+                <tr>
+                    <td><%=s.getId()%></td>
+                    <td><%=s.getName()%></td>
+                    <td><%=s.getSex()%></td>
+                    <td><%=s.getMajor()%></td>
+                    <td><a href="/day/studentDelServlet?id=<%=s.getId()%>">删除</a></td>
+                    <td><a href="/day/studentUpdServlet?id=<%=s.getId()%>">修改</a></td>
+                    <td><a href="/day/studentViewServlet?id=<%=s.getId()%>">查看</a></td>
+                </tr>
+            <%}%>
+    </table>
+    <a href="addstudent.jsp">添加学生</a>
+</body>
+</html>
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/success.jsp
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/success.jsp
@ -0,0 +1,10 @@
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>Title</title>
+</head>
+<body>
+    <h1><%=request.getSession().getAttribute("user")%>,欢迎回来！</h1>
+    <a href="/day/studentListServlet">查看学生列表</a>
+</body>
+</html>
--- a/day16_test/target/day16_test-1.0-SNAPSHOT/viewstudent.jsp
+++ b/day16_test/target/day16_test-1.0-SNAPSHOT/viewstudent.jsp
@ -0,0 +1,26 @@
+<%@ page import="com.example.domain.Student" %>
+<%@ page contentType="text/html;charset=UTF-8" language="java" %>
+<html>
+<head>
+    <title>viewstudent</title>
+</head>
+<body>
+<table>
+    <tr>
+        <td>学号</td>
+        <td>姓名</td>
+        <td>性别</td>
+        <td>专业</td>
+    </tr>
+    <tr>
+        <%
+            Student s = (Student)request.getAttribute("students");
+        %>
+        <td><%=s.getId()%></td>
+        <td><%=s.getName()%></td>
+        <td><%=s.getSex()%></td>
+        <td><%=s.getMajor()%></td>
+    </tr>
+</table>
+</body>
+</html>