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StudentInformationManagementSystem.py

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+import pandas as pd
+
+
+
+# 1111添加学员信息
+def AddLearners(df):
+    name = input("请输入学员姓名")
+    sex = input("请输入学员性别")
+    phone = input("请输入学员电话")
+    # new_data = pd.DataFrame({"姓名":name,"性别":sex,"电话":phone})
+    new_data = pd.DataFrame([[name,sex,phone]],columns=["姓名","性别","电话"])
+    print(new_data)
+    df = df._append(new_data,ignore_index=True)
+    return df
+
+
+# 2222删除学员信息
+def DeleteALearner(df):
+    name = input("请输入要删除的姓名")
+    df = df[df["姓名"]!=name]
+    return df
+
+
+#3333 修改学员信息
+def ModifyLearnerInformation(df):
+    name = input("请输入想修改的姓名")
+    sex = input("请输入性别")
+    phone = input("请输入手机号")
+    # df[df["姓名"]==name]["性别"] = sex
+    # df[df["姓名"]==name]["电话"] = phone
+    df["性别"].mask(df["姓名"]==name,sex,inplace=True)
+    df["电话"].mask(df["姓名"]==name,phone,inplace=True)
+    # print(df)
+    return df
+# 4444查询学员信息
+def QueryLearnerInformation(df):
+    name = input("请输入查询的姓名")
+    print(df[df["姓名"] == name])
+
+
+# 5555显示所有学员信息
+def DisplaysAllLearnerInformation(df):
+    print(df)
+
+
+
+# 保存学员信息
+def SaveLearnerInformation(df):
+    df.to_csv("students.csv",encoding="utf-8",index=False)
+
+
+
+def main():
+    df = pd.read_csv("students.csv", encoding='utf-8')
+    df.set_index("姓名")
+    print("请选择如下功能：\n"
+          "1: 添加学员\n"
+          "2: 删除学员\n"
+          "3: 修改学员信息\n"
+          "4: 查询学员信息\n"
+          "5: 显示所有学员信息\n"
+          "6: 保存学员信息\n"
+          "7: 退出系统\n")
+    while True:
+
+        x = int(input("请输入宁需要的功能序号："))
+        if x ==1 :
+            df = AddLearners(df)
+        elif x == 2:
+            df = DeleteALearner(df)
+        elif x==3:
+            df = ModifyLearnerInformation(df)
+        elif x==4:
+            QueryLearnerInformation(df)
+        elif x== 5 :
+            DisplaysAllLearnerInformation(df)
+        elif x==6:
+            SaveLearnerInformation(df)
+        else:
+            break
+
+
+
+
+
+if __name__ == '__main__':
+    main()
+