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Deokhyun Lee
db_studies
Commits
7875287e
Commit
7875287e
authored
Dec 02, 2021
by
Deokhyun Lee
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Added update() and fixed some errors
parent
33b09b76
Pipeline
#2107
canceled with stages
Changes
11
Pipelines
1
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11 changed files
with
32 additions
and
30 deletions
+32
-30
Util.class
out/production/db_java/com/ldk/util/Util.class
+0
-0
DBCode.class
out/production/db_java/dao/DBCode.class
+0
-0
MemberDao.class
out/production/db_java/dao/MemberDao.class
+0
-0
MemberDaoImpl.class
out/production/db_java/dao/MemberDaoImpl.class
+0
-0
MemberDto.class
out/production/db_java/dto/MemberDto.class
+0
-0
MainClass.class
out/production/db_java/member/MainClass.class
+0
-0
Member.class
out/production/db_java/member/Member.class
+0
-0
MemberDao.java
src/dao/MemberDao.java
+3
-2
MemberDaoImpl.java
src/dao/MemberDaoImpl.java
+18
-17
MainClass.java
src/member/MainClass.java
+8
-7
Member.java
src/member/Member.java
+3
-4
No files found.
out/production/db_java/com/ldk/util/Util.class
0 → 100644
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7875287e
File added
out/production/db_java/dao/DBCode.class
0 → 100644
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7875287e
File added
out/production/db_java/dao/MemberDao.class
0 → 100644
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7875287e
File added
out/production/db_java/dao/MemberDaoImpl.class
0 → 100644
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7875287e
File added
out/production/db_java/dto/MemberDto.class
0 → 100644
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7875287e
File added
out/production/db_java/member/MainClass.class
0 → 100644
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7875287e
File added
out/production/db_java/member/Member.class
0 → 100644
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7875287e
File added
src/dao/MemberDao.java
View file @
7875287e
...
...
@@ -10,11 +10,12 @@ public interface MemberDao {
// 데이터 보기
// 데이터 한개 보기
public
MemberDto
selectOne
(
int
n
);
//
public MemberDto selectOne(int n);
// 데이터 전체 보기
public
ArrayList
<
MemberDto
>
selectAll
();
// 데이터 수정
public
void
update
(
MemberDto
dto
);
public
void
update
(
String
name
,
String
changedName
);
}
src/dao/MemberDaoImpl.java
View file @
7875287e
...
...
@@ -17,7 +17,7 @@ public class MemberDaoImpl implements MemberDao {
Class
.
forName
(
"com.mysql.cj.jdbc.Driver"
);
conn
=
DriverManager
.
getConnection
(
URL
,
USERNAME
,
PASSWORD
);
System
.
out
.
println
(
"드라이버 로딩 성공"
);
}
catch
(
Exception
e
)
{
}
catch
(
Exception
e
)
{
System
.
out
.
println
(
"드라이버 로딩 실패 "
);
e
.
printStackTrace
();
try
{
...
...
@@ -86,17 +86,18 @@ public class MemberDaoImpl implements MemberDao {
return
list
;
}
// @Override
// public void update(MemberDto dto) {
// String sql = "UPDATE mytestdb.major_table SET title=? WHERE num=?";
// PreparedStatement pstmt = null;
// try {
// pstmt = conn.prepareStatement(sql);
// pstmt.setString(1, "제목 수정");
// pstmt.setInt(2, id);
// pstmt.executeUpdate();
// System.out.println("수정된 id: " + id);
// }
@Override
public
void
update
(
String
name
,
String
changedName
)
{
String
sql
=
"UPDATE mytestdb.major_table SET name=? WHERE name=?"
;
PreparedStatement
pstmt
=
null
;
try
{
pstmt
=
conn
.
prepareStatement
(
sql
);
pstmt
.
setString
(
1
,
changedName
);
pstmt
.
setString
(
2
,
name
);
pstmt
.
executeUpdate
();
System
.
out
.
println
(
"수정된 이름: "
+
changedName
);
}
catch
(
SQLException
e
)
{
e
.
printStackTrace
();
}
}
}
\ No newline at end of file
src/member/MainClass.java
View file @
7875287e
...
...
@@ -2,27 +2,28 @@ package member;
import
java.util.ArrayList
;
import
dao.MemberDaoImpl
;
import
dto.MemberDto
;
public
class
MainClass
{
public
static
void
main
(
String
[]
args
)
{
// 멤버 정보 DB 활용
MemberDaoImpl
memberDao
=
new
MemberDaoImpl
();
// 파일에 있는 데이터를 읽어오기
String
filePath
=
"
C:/dev/file/전공정보
.txt"
;
String
filePath
=
"
/Users/ideoghyeon/Desktop/전공
.txt"
;
Member
member
=
new
Member
();
// System.out.println("쉼표로 구분되는 데이터 갯수: " + spData.length);
// 읽어온 데이터를 DB에 넣기
ArrayList
<
MemberDto
>
list
=
member
.
getMemberList
(
filePath
);
for
(
MemberDto
d
:
list
)
{
System
.
out
.
println
(
d
.
getName
()
);
memberDao
.
insert
(
d
);
}
// System.out.println("쉼표로 구분되는 데이터 갯수: " + spData.length);
// 읽어온 데이터를 DB에 넣기
// 데이터 보기
System
.
out
.
println
(
memberDao
.
selectAll
());
// 데이터 수정
}
}
src/member/Member.java
View file @
7875287e
...
...
@@ -14,10 +14,9 @@ public class Member {
for
(
String
s
:
spList
)
{
MemberDto
dto
=
new
MemberDto
();
String
[]
sp
=
s
.
split
(
","
);
dto
.
setNum
(
Integer
.
parseInt
(
sp
[
0
]));
// 문자열을 숫자로
dto
.
setName
(
sp
[
1
]);
dto
.
setMajor
(
sp
[
2
]);
dto
.
setEmail
(
sp
[
3
]);
dto
.
setName
(
sp
[
0
]);
dto
.
setMajor
(
sp
[
1
]);
dto
.
setEmail
(
sp
[
2
]);
retList
.
add
(
dto
);
}
return
retList
;
...
...
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