请用数据库程序编写一个心理测试软件,要求程序从数据库中读取试题内容显示,并保存用户的选择答案。并在测试完成后,给出得分和结论。
时间: 2024-03-20 08:42:31 浏览: 29
好的,我可以为您提供一个心理测试软件的基本框架,包括数据库设计和程序实现。具体步骤如下:
1.数据库设计
我们可以设计一个包含三个表的数据库,分别为试题表(test_questions)、用户答案表(user_answers)和测试结果表(test_results)。
试题表包含试题的编号(question_id)、题目(question_title)、选项A(option_a)、选项B(option_b)、选项C(option_c)、选项D(option_d)和正确答案(correct_answer)。
用户答案表包含用户的编号(user_id)、试题的编号(question_id)和用户选择的答案(user_answer)。
测试结果表包含用户的编号(user_id)、得分(score)和测试结论(conclusion)。
2.程序实现
(1)连接数据库
使用Python的MySQLdb模块连接数据库,并定义游标对象。
```
import MySQLdb
db = MySQLdb.connect(host="localhost", user="root", passwd="password", db="psychological_test")
cursor = db.cursor()
```
(2)读取试题
从试题表中读取试题,并将其显示在界面上。
```
def display_question(question_id):
query = "SELECT question_title, option_a, option_b, option_c, option_d FROM test_questions WHERE question_id = %s" % question_id
cursor.execute(query)
result = cursor.fetchone()
print(result[0])
print("A. " + result[1])
print("B. " + result[2])
print("C. " + result[3])
print("D. " + result[4])
```
(3)保存用户答案
当用户选择答案后,将其保存在用户答案表中。
```
def save_answer(user_id, question_id, user_answer):
query = "INSERT INTO user_answers(user_id, question_id, user_answer) VALUES (%s, %s, %s)" % (user_id, question_id, user_answer)
cursor.execute(query)
db.commit()
```
(4)计算得分和测试结论
测试完成后,根据用户的答案计算得分,并根据得分给出测试结论。将得分和测试结论保存在测试结果表中。
```
def calculate_score(user_id):
query = "SELECT * FROM user_answers WHERE user_id = %s" % user_id
cursor.execute(query)
results = cursor.fetchall()
score = 0
for result in results:
query = "SELECT correct_answer FROM test_questions WHERE question_id = %s" % result[1]
cursor.execute(query)
correct_answer = cursor.fetchone()[0]
if result[2] == correct_answer:
score += 1
query = "INSERT INTO test_results(user_id, score, conclusion) VALUES (%s, %s, %s)" % (user_id, score, "测试结论")
cursor.execute(query)
db.commit()
```
(5)完整代码
```
import MySQLdb
db = MySQLdb.connect(host="localhost", user="root", passwd="password", db="psychological_test")
cursor = db.cursor()
def display_question(question_id):
query = "SELECT question_title, option_a, option_b, option_c, option_d FROM test_questions WHERE question_id = %s" % question_id
cursor.execute(query)
result = cursor.fetchone()
print(result[0])
print("A. " + result[1])
print("B. " + result[2])
print("C. " + result[3])
print("D. " + result[4])
def save_answer(user_id, question_id, user_answer):
query = "INSERT INTO user_answers(user_id, question_id, user_answer) VALUES (%s, %s, %s)" % (user_id, question_id, user_answer)
cursor.execute(query)
db.commit()
def calculate_score(user_id):
query = "SELECT * FROM user_answers WHERE user_id = %s" % user_id
cursor.execute(query)
results = cursor.fetchall()
score = 0
for result in results:
query = "SELECT correct_answer FROM test_questions WHERE question_id = %s" % result[1]
cursor.execute(query)
correct_answer = cursor.fetchone()[0]
if result[2] == correct_answer:
score += 1
query = "INSERT INTO test_results(user_id, score, conclusion) VALUES (%s, %s, %s)" % (user_id, score, "测试结论")
cursor.execute(query)
db.commit()
def main():
user_id = 1
for i in range(1, 11):
display_question(i)
user_answer = input("请输入您的答案:")
save_answer(user_id, i, user_answer)
calculate_score(user_id)
if __name__ == "__main__":
main()
```
这个程序可以作为心理测试软件的基础框架,您可以根据具体需求进行修改和扩展。