學生管理系統（HashSet實現和資料庫實現）

主函式：

public

class
testone
}static
void
menu()
set.
add(student)
; system.out.
println
(set.
size()
);system.out.
println
("新增成功");
break;}
case2:
system.out.
println
("沒有找到該學號的學生資訊,刪除失敗！！！");
break;}
case3:
for(student stu : set)
}break;}
case4:
for(student stu : set)
}break;}
default
: system.out.
println
("i'm sorry,there is not the "
+option+
" option,please try again.");
}}}

public

class
student
public
void
setid
(string id)
public string getname()
public
void
setname
(string name)
public string getmobile()
public
void
setmobile
(string mobile)
public string getaddress()
public
void
setaddress
(string address)
@override
public
inthashcode()
@override
public
boolean
equals
(object obj)
return
false;}
@override
public string tostring()
}

public

class
main
}static
void
menu()
system.out.
println
("請輸入學生姓名:");
string name = scanner.
next()
; system.out.
println()
; string mobile = scanner.
next()
; system.out.
println()
; string address = scanner.
next()
; string sql1 =
"insert into student (id,name,mobile,address) values ('"
+ id +
"','"
+ name +
"','"
+ mobile +
"','"
+address+
"')";if
(db.
update
(sql1)
) system.out.
println
("學生資訊新增成功！！");
else
system.out.
println
("新增失敗!!!");
break;}
case2:
else
break;}
case3:
system.out.
println
("請輸入修改的學生姓名:");
string name = scanner.
next()
; system.out.
println()
; string mobile = scanner.
next()
; system.out.
println()
; string address = scanner.
next()
; string sql =
"update student set name = '"
+name+
"',mobile = '"
+mobile+
"',address = '"
+address+
"'where id = '"
+id+
"'";
if(db.
update
(sql)
)else
break;}
case4:
new()}
catch
(sqlexception e)}}
; db.
select
;break;}
default
: system.out.
println
("i'm sorry,there is not the "
+option+
" option,please try again.");
}}}

public

class
dblink
catch
(exception e)
return null;
}public
boolean
update
(string sql)
catch
(exception e)
finally
return
false;}
public
void
select
catch
(exception e)
finally
}public
boolean
exist
(string sql)
catch
(exception e)
finally
return
false;}
//方法的過載
private
void
close
(resultset resultset,statement statement,connection connection)
catch
(sqlexception e)
close
(statement,connection);}
private
void
close
(statement statement,connection connection)
catch
(sqlexception e)
trycatch
(sqlexception e)
}}

public

inte***ce

HashSet集合學生管理系統

private static hashset set newhashset public static void main string args 選單方法 private static void menu system.out.println 請輸入名字 student.setname sc.ne...

學生管理系統（陣列實現）

標頭檔案 ifndef student h define student h define n 100 struct student typedef struct student st void welcome void show int input st stu void display st s...

PHP 學生管理系統實現

最近學校開了php課程，順便寫了個作業，分享一下吧。都是很簡單的東西，新手用得著 省略部分前端 首先是登入的校驗 session start user post username pass post password session user user enter post login undo 管...