Update Python_Show.py

Python控制/Python_Show.py

@@ -58,14 +58,31 @@ def insert_or_update_data(table_name, operation):
     submit_button = ttk.Button(top, text="Submit", command=submit)
     submit_button.grid(row=len(tables_schema[table_name]), column=0, columnspan=2, padx=5, pady=5)
 
+# 删除操作
 # 删除操作
 def delete_data(table_name):
-    condition = simpledialog.askstring("Input", f"Enter delete condition for {table_name} (e.g., id = 1):")
-    sql = f"DELETE FROM {table_name} WHERE {condition}"
-    with connection.cursor() as cursor:
-        cursor.execute(sql)
-        connection.commit()
-        messagebox.showinfo("Success", "Data deleted successfully")
+    # 弹出对话框让用户输入要删除的字段名
+    field = simpledialog.askstring("Input", f"Enter the field to delete from {table_name} (e.g., Name):")
+    if not field:
+        messagebox.showerror("Error", "No field specified")
+        return
+
+    # 弹出对话框让用户输入要删除的字段值
+    value = simpledialog.askstring("Input", f"Enter the value of {field} to delete from {table_name} (e.g., John):")
+    if not value:
+        messagebox.showerror("Error", "No value specified")
+        return
+
+    # 构造SQL删除语句
+    sql = f"DELETE FROM {table_name} WHERE {field} = %s"
+
+    try:
+        with connection.cursor() as cursor:
+            cursor.execute(sql, (value,))
+            connection.commit()
+            messagebox.showinfo("Success", "Data deleted successfully")
+    except Exception as e:
+        messagebox.showerror("Error", f"An error occurred: {e}")
 
 # 选择表并执行操作
 def choose_table_and_operate():