2020 실습과제

build.gradle

@@ -1,21 +1,29 @@
-group 'kr.ac.jejunu'
-version '1.0-SNAPSHOT'
-
-apply plugin: 'java'
+plugins {
+    id 'java'
+}
 
-sourceCompatibility = 1.8
+group = 'kr.ac.jejunu'
+version = '0.0.1-SNAPSHOT'
+sourceCompatibility = '11'
 
 repositories {
     mavenCentral()
 }
 
+test {
+    useJUnitPlatform()
+}
+
 ext {
-    springVersion = '4.2.5.RELEASE'
+    springVersion = '5.2.5.RELEASE'
 }
 
 dependencies {
-    compile group: 'org.springframework', name: 'spring-context', version: springVersion
-    compile group: 'org.springframework', name: 'spring-jdbc', version: springVersion
-    runtime group: 'mysql', name: 'mysql-connector-java', version: '5.1.37'
-    testCompile group: 'junit', name: 'junit', version: '4.11'
+    implementation "org.springframework:spring-core:${springVersion}"
+    implementation "org.springframework:spring-context:${springVersion}"
+    implementation "org.springframework:spring-jdbc:${springVersion}"
+    runtimeOnly 'mysql:mysql-connector-java:8.0.19'
+    testImplementation 'org.hamcrest:hamcrest:2.1'
+    testImplementation 'org.junit.jupiter:junit-jupiter-api:5.5.2'
+    testRuntimeOnly("org.junit.jupiter:junit-jupiter-engine:5.5.2")
 }

gradle/wrapper/gradle-wrapper.properties

@@ -1,6 +1,6 @@
-#Mon Apr 18 10:12:35 KST 2016
+#Thu Apr 18 11:30:56 KST 2019
 distributionBase=GRADLE_USER_HOME
 distributionPath=wrapper/dists
 zipStoreBase=GRADLE_USER_HOME
 zipStorePath=wrapper/dists
-distributionUrl=https\://services.gradle.org/distributions/gradle-2.5-bin.zip
+distributionUrl=https\://services.gradle.org/distributions/gradle-4.10-all.zip

src/main/java/kr/ac/jejunu/userdao/User.java

@@ -1,15 +1,15 @@
 package kr.ac.jejunu.userdao;
 
 public class User {
-    private Long id;
+    private Integer id;
     private String name;
     private String password;
 
-    public Long getId() {
+    public Integer getId() {
         return id;
     }
 
-    public void setId(Long id) {
+    public void setId(Integer id) {
         this.id = id;
     }
 

src/main/java/kr/ac/jejunu/userdao/UserDao.java

@@ -3,29 +3,27 @@
 import java.sql.*;
 
 public class UserDao {
-    public User get(Long id) throws ClassNotFoundException, SQLException {
-        //데이터는어디에?   Mysql
-        //Driver Class Load
-        Class.forName("com.mysql.jdbc.Driver");
-        // Connection    접속정보는? localhost jeju id : jeju pw: jejupw
-        Connection connection = DriverManager.getConnection("jdbc:mysql://localhost/jeju", "jeju", "jejupw");
-        // 쿼리만들고
-        PreparedStatement preparedStatement = connection.prepareStatement("select * from userinfo where id = ?");
+    public User get(Integer id) throws ClassNotFoundException, SQLException {
+        Class.forName("com.mysql.cj.jdbc.Driver");
+        Connection connection =
+                DriverManager.getConnection("jdbc:mysql://localhost/jeju?serverTimezone=UTC"
+                , "jeju", "jejupw");
+        PreparedStatement preparedStatement =
+                connection.prepareStatement("select * from userinfo where id = ?");
         preparedStatement.setLong(1, id);
-        // 실행
+
         ResultSet resultSet = preparedStatement.executeQuery();
         resultSet.next();
-        // 결과매핑
+
         User user = new User();
-        user.setId(resultSet.getLong("id"));
+        user.setId(resultSet.getInt("id"));
         user.setName(resultSet.getString("name"));
         user.setPassword(resultSet.getString("password"));
 
-        //자원을 해지한다.
         resultSet.close();
         preparedStatement.close();
         connection.close();
-
+        //리턴
         return user;
     }
 }