编制一个有GUI界面的Python成绩记录簿,每个学生信息包括:学号,姓名,Python成绩。具体功能如下: (1)输入学生信息并保存到文件中 (2)读取文件并显示输出所有学生的成绩; (3)按学号或姓名查询成绩 (4)添加成绩记录; (5)修改指定姓名或学号的学生的成绩并可存盘 (6)显示输出60分以下,60-79,80-89,90分以上各分数段的学生信息
时间: 2023-06-27 15:01:57 浏览: 219
以下是一个基本的Python成绩记录簿,包括GUI界面和上述功能:
```python
import tkinter as tk
import os
class Student:
def __init__(self, id, name, score):
self.id = id
self.name = name
self.score = score
class ScoreRecord:
def __init__(self):
self.records = []
self.load_from_file()
def load_from_file(self):
if os.path.exists("score.txt"):
with open("score.txt", "r") as f:
lines = f.readlines()
for line in lines:
parts = line.strip().split(",")
if len(parts) == 3:
self.records.append(Student(parts[0], parts[1], int(parts[2])))
def save_to_file(self):
with open("score.txt", "w") as f:
for record in self.records:
f.write("{},{},{}\n".format(record.id, record.name, record.score))
def add_record(self, id, name, score):
self.records.append(Student(id, name, score))
self.save_to_file()
def update_record(self, id, name, score):
for record in self.records:
if record.id == id or record.name == name:
record.score = score
self.save_to_file()
return True
return False
def get_records(self):
return self.records
def get_records_by_score_range(self, start, end):
result = []
for record in self.records:
if record.score >= start and record.score <= end:
result.append(record)
return result
def search_record(self, id=None, name=None):
for record in self.records:
if id != None and record.id == id:
return record
elif name != None and record.name == name:
return record
return None
class ScoreRecordGUI:
def __init__(self):
self.window = tk.Tk()
self.window.title("Python成绩记录簿")
self.window.geometry("500x400")
self.record = ScoreRecord()
self.id_label = tk.Label(self.window, text="学号")
self.id_label.grid(row=0, column=0)
self.name_label = tk.Label(self.window, text="姓名")
self.name_label.grid(row=0, column=1)
self.score_label = tk.Label(self.window, text="成绩")
self.score_label.grid(row=0, column=2)
self.id_entry = tk.Entry(self.window)
self.id_entry.grid(row=1, column=0)
self.name_entry = tk.Entry(self.window)
self.name_entry.grid(row=1, column=1)
self.score_entry = tk.Entry(self.window)
self.score_entry.grid(row=1, column=2)
self.add_button = tk.Button(self.window, text="添加", command=self.add_record)
self.add_button.grid(row=1, column=3)
self.update_button = tk.Button(self.window, text="修改", command=self.update_record)
self.update_button.grid(row=1, column=4)
self.search_id_entry = tk.Entry(self.window)
self.search_id_entry.grid(row=2, column=0)
self.search_id_button = tk.Button(self.window, text="按学号查询", command=self.search_by_id)
self.search_id_button.grid(row=2, column=1)
self.search_name_entry = tk.Entry(self.window)
self.search_name_entry.grid(row=2, column=2)
self.search_name_button = tk.Button(self.window, text="按姓名查询", command=self.search_by_name)
self.search_name_button.grid(row=2, column=3)
self.show_all_button = tk.Button(self.window, text="显示所有记录", command=self.show_all_records)
self.show_all_button.grid(row=3, column=0)
self.show_below60_button = tk.Button(self.window, text="显示60分以下记录", command=self.show_below60_records)
self.show_below60_button.grid(row=3, column=1)
self.show_60to79_button = tk.Button(self.window, text="显示60-79分记录", command=self.show_60to79_records)
self.show_60to79_button.grid(row=3, column=2)
self.show_80to89_button = tk.Button(self.window, text="显示80-89分记录", command=self.show_80to89_records)
self.show_80to89_button.grid(row=3, column=3)
self.show_above90_button = tk.Button(self.window, text="显示90分以上记录", command=self.show_above90_records)
self.show_above90_button.grid(row=3, column=4)
self.result_text = tk.Text(self.window, height=20, width=60)
self.result_text.grid(row=4, column=0, columnspan=5)
self.window.mainloop()
def add_record(self):
id = self.id_entry.get().strip()
name = self.name_entry.get().strip()
score = self.score_entry.get().strip()
if id and name and score:
self.record.add_record(id, name, int(score))
self.id_entry.delete(0, tk.END)
self.name_entry.delete(0, tk.END)
self.score_entry.delete(0, tk.END)
self.result_text.insert(tk.END, "已添加记录:{},{},{}\n".format(id, name, score))
def update_record(self):
id = self.id_entry.get().strip()
name = self.name_entry.get().strip()
score = self.score_entry.get().strip()
if id or name:
if score:
if self.record.update_record(id, name, int(score)):
self.id_entry.delete(0, tk.END)
self.name_entry.delete(0, tk.END)
self.score_entry.delete(0, tk.END)
self.result_text.insert(tk.END, "已修改记录:{},{},{}\n".format(id, name, score))
else:
self.result_text.insert(tk.END, "未找到记录:{},{}\n".format(id, name))
else:
self.result_text.insert(tk.END, "成绩不能为空\n")
def search_by_id(self):
id = self.search_id_entry.get().strip()
record = self.record.search_record(id=id)
if record:
self.result_text.delete(1.0, tk.END)
self.result_text.insert(tk.END, "查询结果:{},{},{}\n".format(record.id, record.name, record.score))
else:
self.result_text.delete(1.0, tk.END)
self.result_text.insert(tk.END, "未找到记录:{}\n".format(id))
def search_by_name(self):
name = self.search_name_entry.get().strip()
record = self.record.search_record(name=name)
if record:
self.result_text.delete(1.0, tk.END)
self.result_text.insert(tk.END, "查询结果:{},{},{}\n".format(record.id, record.name, record.score))
else:
self.result_text.delete(1.0, tk.END)
self.result_text.insert(tk.END, "未找到记录:{}\n".format(name))
def show_all_records(self):
self.result_text.delete(1.0, tk.END)
records = self.record.get_records()
for record in records:
self.result_text.insert(tk.END, "{},{},{}\n".format(record.id, record.name, record.score))
def show_below60_records(self):
self.result_text.delete(1.0, tk.END)
records = self.record.get_records_by_score_range(0, 59)
for record in records:
self.result_text.insert(tk.END, "{},{},{}\n".format(record.id, record.name, record.score))
def show_60to79_records(self):
self.result_text.delete(1.0, tk.END)
records = self.record.get_records_by_score_range(60, 79)
for record in records:
self.result_text.insert(tk.END, "{},{},{}\n".format(record.id, record.name, record.score))
def show_80to89_records(self):
self.result_text.delete(1.0, tk.END)
records = self.record.get_records_by_score_range(80, 89)
for record in records:
self.result_text.insert(tk.END, "{},{},{}\n".format(record.id, record.name, record.score))
def show_above90_records(self):
self.result_text.delete(1.0, tk.END)
records = self.record.get_records_by_score_range(90, 100)
for record in records:
self.result_text.insert(tk.END, "{},{},{}\n".format(record.id, record.name, record.score))
if __name__ == "__main__":
app = ScoreRecordGUI()
```
注意,以上代码只是一个基本的成绩记录簿,仅供参考。在实际应用中,可能需要更多的异常处理、输入验证等功能。
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