Thu Apr 18 21:15:00 CST 2024 inscode

main.py

 import streamlit as st
-from streamlit_option_menu import option_menu
+import inscode
+import csv
 
-# 设置Streamlit应用程序的标题
-st.set_page_config(page_title="app name", layout="wide")
+# 读取学生信息csv文件并返回
+def read_students():
+    with open('students.csv', mode='r') as file:
+        reader = csv.DictReader(file)
+        students = [row for row in reader]
+    return students
 
-menu1="菜单1"
-menu2="菜单2"
+# 将学生信息写入csv文件
+def write_students(students):
+    fieldnames = ['id', 'name', 'age', 'gender', 'grade']
+    with open('students.csv', mode='w', newline='') as file:
+        writer = csv.DictWriter(file, fieldnames=fieldnames)
+        writer.writeheader()
+        for student in students:
+            writer.writerow(student)
 
-with st.sidebar:
-    menu = option_menu("菜单", [menu1, menu2], 
-        icons=['house', "list-task"], 
-        menu_icon="cast", default_index=0)
+# 读取学生成绩csv文件并返回
+def read_scores():
+    with open('scores.csv', mode='r') as file:
+        reader = csv.DictReader(file)
+        scores = [row for row in reader]
+    return scores
 
-def main():
+# 将学生成绩写入csv文件
+def write_scores(scores):
+    fieldnames = ['id', 'subject', 'score']
+    with open('scores.csv', mode='w', newline='') as file:
+        writer = csv.DictWriter(file, fieldnames=fieldnames)
+        writer.writeheader()
+        for score in scores:
+            writer.writerow(score)
+
+# 添加学生信息
+def add_student(students):
+    st.write('添加学生信息')
+    id = st.text_input('学号')
+    name = st.text_input('姓名')
+    age = st.text_input('年龄')
+    gender = st.selectbox('性别', ['男', '女'])
+    grade = st.text_input('年级')
+    if st.button('添加'):
+        if id and name and age and gender and grade:
+            students.append({'id': id, 'name': name, 'age': age, 'gender': gender, 'grade': grade})
+            write_students(students)
+            st.success('添加成功')
+        else:
+            st.error('请填写完整的学生信息')
+
+# 删除学生信息
+def delete_student(students):
+    st.write('删除学生信息')
+    id = st.text_input('学号')
+    if st.button('删除'):
+        if id:
+            index = -1
+            for i, student in enumerate(students):
+                if student['id'] == id:
+                    index = i
+                    break
+            if index != -1:
+                del students[index]
+                write_students(students)
+                st.success('删除成功')
+            else:
+                st.error('学生信息不存在')
+        else:
+            st.error('请填写学号')
+
+# 修改学生信息
+def edit_student(students):
+    st.write('修改学生信息')
+    id = st.text_input('学号')
+    if id:
+        index = -1
+        for i, student in enumerate(students):
+            if student['id'] == id:
+                index = i
+                break
+        if index != -1:
+            name = st.text_input('姓名', value=students[index]['name'])
+            age = st.text_input('年龄', value=students[index]['age'])
+            gender = st.selectbox('性别', ['男', '女'], index=(0 if students[index]['gender'] == '男' else 1))
+            grade = st.text_input('年级', value=students[index]['grade'])
+            if st.button('修改'):
+                students[index]['name'] = name
+                students[index]['age'] = age
+                students[index]['gender'] = gender
+                students[index]['grade'] = grade
+                write_students(students)
+                st.success('修改成功')
+        else:
+            st.error('学生信息不存在')
+    else:
+        st.error('请填写学号')
+
+# 查询学生信息
+def query_student(students):
+    st.write('查询学生信息')
+    id = st.text_input('学号')
+    if id:
+        index = -1
+        for i, student in enumerate(students):
+            if student['id'] == id:
+                index = i
+                break
+        if index != -1:
+            st.success('查询成功')
+            st.write('学号：', students[index]['id'])
+            st.write('姓名：', students[index]['name'])
+            st.write('年龄：', students[index]['age'])
+            st.write('性别：', students[index]['gender'])
+            st.write('年级：', students[index]['grade'])
+        else:
+            st.error('学生信息不存在')
+    else:
+        st.error('请填写学号')
 
-    if menu == menu1:
-        st.subheader(f"{menu1}")
+# 添加学生成绩
+def add_score(scores):
+    st.write('添加学生成绩')
+    id = st.text_input('学号')
+    subject = st.text_input('科目')
+    score = st.text_input('成绩')
+    if st.button('添加'):
+        if id and subject and score:
+            scores.append({'id': id, 'subject': subject, 'score': score})
+            write_scores(scores)
+            st.success('添加成功')
+        else:
+            st.error('请填写完整的成绩信息')
 
-    if menu == menu2:
-        st.subheader(f"{menu2}")
+# 删除学生成绩
+def delete_score(scores):
+    st.write('删除学生成绩')
+    id = st.text_input('学号')
+    subject = st.text_input('科目')
+    if st.button('删除'):
+        if id and subject:
+            index = -1
+            for i, score in enumerate(scores):
+                if score['id'] == id and score['subject'] == subject:
+                    index = i
+                    break
+            if index != -1:
+                del scores[index]
+                write_scores(scores)
+                st.success('删除成功')
+            else:
+                st.error('学生成绩不存在')
+        else:
+            st.error('请填写学号和科目')
 
-if __name__ == '__main__':
-    main()
+# 修改学生成绩
+def edit_score(scores):
+    st.write('修改学生成绩')
+    id = st.text_input('学号')
+    subject = st.text_input('科目')
+    if id and subject:
+        index = -1
+        for i, score in enumerate(scores):
+            if score['id'] == id and score['subject'] == subject:
+                index = i
+                break
+        if index != -1:
+            new_score = st.text_input('成绩', value=scores[index]['score'])
+            if st.button('修改'):
+                scores[index]['score'] = new_score
+                write_scores(scores)
+                st.success('修改成功')
+        else:
+            st.error('学生成绩不存在')
+    else:
+        st.error('请填写学号和科目')
+
+# 查询学生成绩
+def query_score(scores):
+    st.write('查询学生成绩')
+    id = st.text_input('学号')
+    if id:
+        total_score = 0
+        count = 0
+        st.write('学号：', id)
+        for score in scores:
+            if score['id'] == id:
+                st.write('科目：', score['subject'])
+                st.write('成绩：', score['score'])
+                total_score += float(score['score'])
+                count += 1
+        if count > 0:
+            st.write('平均成绩：', round(total_score / count, 2))
+        else:
+            st.error('学生成绩不存在')
+
+# 登录认证
+def login():
+    st.write('登录认证')
+    user_type = st.selectbox('用户类型', ['学生', '教师', '管理员'])
+    username = st.text_input('用户名')
+    password = st.text_input('密码', type='password')
+    if st.button('登录'):
+        if user_type == '学生':
+            with open('students.csv', mode='r') as file:
+                reader = csv.DictReader(file)
+                for row in reader:
+                    if row['id'] == username and row['name'] == password:
+                        st.success('登录成功')
+                        return True
+        elif user_type == '教师':
+            if username == 'teacher' and password == '123456':
+                st.success('登录成功')
+                return True
+        elif user_type == '管理员':
+            if username == 'admin' and password == '123456':
+                st.success('登录成功')
+                return True
+        st.error('用户名或密码错误')
+        return False
+
+# 主函数入口
+def main():
+    st.title('学生成绩管理系统')
+    if login():
+        students = read_students()
+        scores = read_scores()
+        function = st.selectbox('请选择功能', ['学生信息管理', '成绩管理'])
+        if function == '学生信息管理':
+            operation = st.selectbox('请选择操作', ['添加学生信息', '删除学生信息', '修改学生信息', '查询学生信息'])
+            if operation == '添加学生信息':
+                add_student(students)
+            elif operation == '删除学生信息':
+                delete_student(students)
+            elif operation == '修改学生信息':
+                edit_student(students)
+            elif operation == '查询学生信息':
+                query_student(students)
+        elif function == '成绩管理':
+            operation = st.selectbox('请选择操作', ['添加学生成绩', '删除学生成绩', '修改学生成绩', '查询学生成绩'])
+            if operation == '添加学生成绩':
+                add_score(scores)
+            elif operation == '删除学生成绩':
+                delete_score(scores)
+            elif operation == '修改学生成绩':
+                edit_score(scores)
+            elif operation == '查询学生成绩':
+                query
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