C:\Users\979330359_1116566226>create database BTJ; 'create' 不是内部或外部命令,也不是可运行的程序 或批处理文件。
时间: 2023-10-26 16:08:22 浏览: 122
根据提供的信息,您在运行`'create database BTJ;'`命令时遇到了问题。根据错误提示,系统无法找到该命令。这可能是因为您没有正确安装或配置数据库软件。
为了解决这个问题,您可以按照以下步骤进行操作:
1. 确保您已正确安装并配置了数据库软件。根据您提供的信息,您似乎正在使用MySQL数据库。请确保已正确安装MySQL并设置了正确的环境变量。您可以通过运行`mysql --version`命令来检查MySQL是否已正确安装并可以正常使用。
2. 如果MySQL已正确安装但仍无法运行`'create database BTJ;'`命令,请确认您是否已正确登录到MySQL服务器。您可以使用以下命令登录到MySQL服务器:`mysql -u username -p`,其中`username`是您的MySQL用户名。然后输入密码以完成登录。
3. 在成功登录到MySQL服务器后,再次尝试运行`'create database BTJ;'`命令。如果仍然遇到问题,请确保您具有足够的权限来创建数据库。您可以通过运行`SHOW GRANTS FOR username;`命令来检查您的权限,其中`username`是您的MySQL用户名。
如果您仍然遇到问题,请提供更多关于您的操作系统、MySQL版本和其他相关信息,以便我们能够更好地帮助您解决问题。
相关问题
用delphi写俄罗斯方块程序
以下是一个简单的俄罗斯方块程序,使用 Delphi 编写:
1. 创建一个新的 Delphi 项目。
2. 在主窗体上添加一个 TTimer 控件,设置 Interval 属性为 500ms。
3. 添加一个 TLabel 控件用于显示分数。
4. 添加一个 TPaintBox 控件用于绘制游戏画面。
5. 在窗体的 OnCreate 事件中初始化游戏数据结构和随机生成一个方块。
6. 在 TTimer 的 OnTimer 事件中更新方块位置,如果方块已经到达底部则固定在当前位置并生成一个新的方块。
7. 在 TPaintBox 的 OnPaint 事件中绘制游戏画面,包括已经固定的方块和正在下落的方块。
8. 在窗体的 OnKeyDown 事件中处理方向键和空格键的操作,移动方块或直接将其落到底部。
以下是代码示例:
```delphi
unit Unit1;
interface
uses
Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.ExtCtrls, Vcl.StdCtrls;
type
TBlockType = (btI, btJ, btL, btO, btS, btT, btZ);
TBlockShape = array[0..3, 0..3] of Boolean;
TBlock = record
BlockType: TBlockType;
Shape: TBlockShape;
X, Y: Integer;
end;
TForm1 = class(TForm)
Timer1: TTimer;
PaintBox1: TPaintBox;
Label1: TLabel;
procedure FormCreate(Sender: TObject);
procedure Timer1Timer(Sender: TObject);
procedure PaintBox1Paint(Sender: TObject);
procedure FormKeyDown(Sender: TObject; var Key: Word; Shift: TShiftState);
private
{ Private declarations }
FBlock: TBlock;
FMap: array[0..9, 0..19] of Boolean;
FScore: Integer;
procedure InitMap;
procedure InitBlock;
function CanMove(dx, dy: Integer): Boolean;
procedure MoveBlock(dx, dy: Integer);
procedure RotateBlock;
procedure FixBlock;
procedure GenerateBlock;
function CheckLine(y: Integer): Boolean;
procedure RemoveLine(y: Integer);
procedure UpdateScore;
public
{ Public declarations }
end;
var
Form1: TForm1;
implementation
{$R *.dfm}
procedure TForm1.FormCreate(Sender: TObject);
begin
InitMap;
InitBlock;
end;
procedure TForm1.Timer1Timer(Sender: TObject);
begin
if CanMove(0, 1) then
MoveBlock(0, 1)
else
begin
FixBlock;
GenerateBlock;
end;
PaintBox1.Invalidate;
end;
procedure TForm1.PaintBox1Paint(Sender: TObject);
var
i, j: Integer;
x, y: Integer;
Color: TColor;
begin
with PaintBox1.Canvas do
begin
Brush.Color := clBlack;
FillRect(Rect(0, 0, PaintBox1.Width, PaintBox1.Height));
for i := 0 to 9 do
for j := 0 to 19 do
if FMap[i, j] then
begin
x := i * 20;
y := j * 20;
Brush.Color := clGray;
Pen.Color := clWhite;
Rectangle(x, y, x + 20, y + 20);
end;
for i := 0 to 3 do
for j := 0 to 3 do
if FBlock.Shape[i, j] then
begin
x := (FBlock.X + i) * 20;
y := (FBlock.Y + j) * 20;
case FBlock.BlockType of
btI: Color := clRed;
btJ: Color := clGreen;
btL: Color := clBlue;
btO: Color := clYellow;
btS: Color := clFuchsia;
btT: Color := clAqua;
btZ: Color := clLime;
end;
Brush.Color := Color;
Pen.Color := clWhite;
Rectangle(x, y, x + 20, y + 20);
end;
end;
end;
procedure TForm1.FormKeyDown(Sender: TObject; var Key: Word;
Shift: TShiftState);
begin
case Key of
VK_LEFT: if CanMove(-1, 0) then MoveBlock(-1, 0);
VK_RIGHT: if CanMove(1, 0) then MoveBlock(1, 0);
VK_DOWN: if CanMove(0, 1) then MoveBlock(0, 1);
VK_UP: RotateBlock;
VK_SPACE:
begin
while CanMove(0, 1) do MoveBlock(0, 1);
FixBlock;
GenerateBlock;
end;
end;
PaintBox1.Invalidate;
end;
procedure TForm1.InitMap;
var
i, j: Integer;
begin
for i := 0 to 9 do
for j := 0 to 19 do
FMap[i, j] := False;
end;
procedure TForm1.InitBlock;
begin
Randomize;
FBlock.BlockType := TBlockType(Random(7));
case FBlock.BlockType of
btI:
begin
FBlock.Shape[0, 1] := True;
FBlock.Shape[1, 1] := True;
FBlock.Shape[2, 1] := True;
FBlock.Shape[3, 1] := True;
end;
btJ:
begin
FBlock.Shape[0, 1] := True;
FBlock.Shape[1, 1] := True;
FBlock.Shape[2, 1] := True;
FBlock.Shape[2, 0] := True;
end;
btL:
begin
FBlock.Shape[0, 1] := True;
FBlock.Shape[1, 1] := True;
FBlock.Shape[2, 1] := True;
FBlock.Shape[2, 2] := True;
end;
btO:
begin
FBlock.Shape[1, 1] := True;
FBlock.Shape[2, 1] := True;
FBlock.Shape[1, 2] := True;
FBlock.Shape[2, 2] := True;
end;
btS:
begin
FBlock.Shape[1, 1] := True;
FBlock.Shape[2, 1] := True;
FBlock.Shape[0, 2] := True;
FBlock.Shape[1, 2] := True;
end;
btT:
begin
FBlock.Shape[1, 1] := True;
FBlock.Shape[0, 2] := True;
FBlock.Shape[1, 2] := True;
FBlock.Shape[2, 2] := True;
end;
btZ:
begin
FBlock.Shape[0, 1] := True;
FBlock.Shape[1, 1] := True;
FBlock.Shape[1, 2] := True;
FBlock.Shape[2, 2] := True;
end;
end;
FBlock.X := 4;
FBlock.Y := 0;
end;
function TForm1.CanMove(dx, dy: Integer): Boolean;
var
i, j: Integer;
begin
for i := 0 to 3 do
for j := 0 to 3 do
if FBlock.Shape[i, j] then
begin
if (FBlock.X + i + dx < 0) or (FBlock.X + i + dx > 9) or (FBlock.Y + j + dy > 19) then
Exit(False);
if FMap[FBlock.X + i + dx, FBlock.Y + j + dy] then
Exit(False);
end;
Result := True;
end;
procedure TForm1.MoveBlock(dx, dy: Integer);
begin
FBlock.X := FBlock.X + dx;
FBlock.Y := FBlock.Y + dy;
end;
procedure TForm1.RotateBlock;
var
i, j: Integer;
NewShape: TBlockShape;
begin
for i := 0 to 3 do
for j := 0 to 3 do
NewShape[i, j] := FBlock.Shape[3 - j, i];
if CanMove(0, 0) then
FBlock.Shape := NewShape;
end;
procedure TForm1.FixBlock;
var
i, j: Integer;
begin
for i := 0 to 3 do
for j := 0 to 3 do
if FBlock.Shape[i, j] then
FMap[FBlock.X + i, FBlock.Y + j] := True;
RemoveLine(FBlock.Y);
UpdateScore;
end;
procedure TForm1.GenerateBlock;
begin
InitBlock;
if not CanMove(0, 0) then
begin
Timer1.Enabled := False;
ShowMessage('Game Over!');
Exit;
end;
end;
function TForm1.CheckLine(y: Integer): Boolean;
var
i: Integer;
begin
for i := 0 to 9 do
if not FMap[i, y] then
Exit(False);
Result := True;
end;
procedure TForm1.RemoveLine(y: Integer);
var
i, j: Integer;
begin
for j := y downto 1 do
for i := 0 to 9 do
FMap[i, j] := FMap[i, j - 1];
for i := 0 to 9 do
FMap[i, 0] := False;
end;
procedure TForm1.UpdateScore;
var
i, j: Integer;
begin
FScore := 0;
for i := 0 to 9 do
for j := 0 to 19 do
if FMap[i, j] then Inc(FScore);
Label1.Caption := Format('Score: %d', [FScore]);
end;
end.
```
这个示例程序非常简单,可以根据需要进行改进和扩展。
帮我用python写一个tk界面,实现爬取酷狗音乐数据,使得会员歌曲也能完整下载,在界面中通过搜索歌名或歌手来查询歌曲,查询到的所有结果用表格在界面中显示,并实现选定歌曲的下载和播放功能
好的,我可以帮你实现这个功能。不过在开始之前,需要你安装以下 Python 库:
- requests
- tkinter
- beautifulsoup4
如果你还没有安装,可以在命令行中使用以下命令进行安装:
```
pip install requests
pip install tkinter
pip install beautifulsoup4
```
接下来,我会分步骤为你介绍实现方法。
首先,我们需要在界面中添加搜索框、搜索按钮和表格。代码如下:
```python
import tkinter as tk
from tkinter import ttk
class App(tk.Tk):
def __init__(self):
super().__init__()
# 设置窗口标题
self.title("酷狗音乐爬虫")
# 添加搜索框和搜索按钮
self.search_frame = tk.Frame(self)
self.search_label = tk.Label(self.search_frame, text="搜索:")
self.search_label.pack(side=tk.LEFT)
self.search_entry = tk.Entry(self.search_frame)
self.search_entry.pack(side=tk.LEFT, expand=True, fill=tk.X)
self.search_button = tk.Button(self.search_frame, text="搜索", command=self.search)
self.search_button.pack(side=tk.LEFT)
self.search_frame.pack(fill=tk.X)
# 添加表格
self.table_frame = tk.Frame(self)
self.table = ttk.Treeview(self.table_frame, columns=["name", "singer", "duration"])
self.table.heading("name", text="歌曲名")
self.table.heading("singer", text="歌手")
self.table.heading("duration", text="时长")
self.table.pack(side=tk.LEFT, fill=tk.BOTH, expand=True)
self.scrollbar = ttk.Scrollbar(self.table_frame, orient=tk.VERTICAL, command=self.table.yview)
self.table.configure(yscrollcommand=self.scrollbar.set)
self.scrollbar.pack(side=tk.RIGHT, fill=tk.Y)
self.table_frame.pack(fill=tk.BOTH, expand=True)
def search(self):
pass
if __name__ == "__main__":
app = App()
app.mainloop()
```
接下来,我们需要在 `search` 方法中实现搜索和表格的显示。具体实现如下:
```python
def search(self):
# 清空表格
self.table.delete(*self.table.get_children())
# 获取搜索关键字
keyword = self.search_entry.get()
# 发送搜索请求
url = f"http://songsearch.kugou.com/song_search_v2?keyword={keyword}&page=1&pagesize=30"
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:105.0) Gecko/20100101 Firefox/105.0",
"Referer": "http://www.kugou.com/",
"Cookie": "kg_mid=5e5e4e2c5f7f12e6b8e2bfb7d1e2d9e2; kg_dfid=2NwPwU1p3Z0t0BtJ5GvJdY5m; Hm_lvt_aedee6983d4cfc62f509129360d6bb3d=1617437714,1617437724,1617437729,1617477736; Hm_lpvt_aedee6983d4cfc62f509129360d6bb3d=1617477736; kg_dfid_collect=d41d8cd98f00b204e9800998ecf8427e; _gid=GA1.2.1540738448.1617477740; _ga=GA1.2.1131611146.1617477740; kg_mid_temp=5e5e4e2c5f7f12e6b8e2bfb7d1e2d9e2",
}
response = requests.get(url, headers=headers)
data = response.json()
# 将搜索结果添加到表格中
for song in data["data"]["lists"]:
self.table.insert("", tk.END, values=[song["SongName"], song["SingerName"], song["Duration"]])
```
最后,我们需要实现选定歌曲的下载和播放功能。具体实现如下:
```python
def download(self):
# 获取选中的歌曲信息
selected_item = self.table.selection()[0]
values = self.table.item(selected_item)["values"]
song_name = values[0]
singer_name = values[1]
# 发送下载请求
url = f"http://www.kugou.com/yy/index.php?r=play/getdata&hash={hash}&album_id={album_id}"
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:105.0) Gecko/20100101 Firefox/105.0",
"Referer": "http://www.kugou.com/",
"Cookie": "kg_mid=5e5e4e2c5f7f12e6b8e2bfb7d1e2d9e2; kg_dfid=2NwPwU1p3Z0t0BtJ5GvJdY5m; Hm_lvt_aedee6983d4cfc62f509129360d6bb3d=1617437714,1617437724,1617437729,1617477736; Hm_lpvt_aedee6983d4cfc62f509129360d6bb3d=1617477736; kg_dfid_collect=d41d8cd98f00b204e9800998ecf8427e; _gid=GA1.2.1540738448.1617477740; _ga=GA1.2.1131611146.1617477740; kg_mid_temp=5e5e4e2c5f7f12e6b8e2bfb7d1e2d9e2",
}
response = requests.get(url, headers=headers)
data = response.json()
# 下载歌曲
download_url = data["data"]["play_url"]
response = requests.get(download_url)
with open(f"{song_name}-{singer_name}.mp3", "wb") as f:
f.write(response.content)
def play(self):
# 获取选中的歌曲信息
selected_item = self.table.selection()[0]
values = self.table.item(selected_item)["values"]
song_name = values[0]
singer_name = values[1]
# 发送下载请求
url = f"http://www.kugou.com/yy/index.php?r=play/getdata&hash={hash}&album_id={album_id}"
headers = {
"User-Agent": "Mozilla/5.0 (Windows NT 10.0; Win64; x64; rv:105.0) Gecko/20100101 Firefox/105.0",
"Referer": "http://www.kugou.com/",
"Cookie": "kg_mid=5e5e4e2c5f7f12e6b8e2bfb7d1e2d9e2; kg_dfid=2NwPwU1p3Z0t0BtJ5GvJdY5m; Hm_lvt_aedee6983d4cfc62f509129360d6bb3d=1617437714,1617437724,1617437729,1617477736; Hm_lpvt_aedee6983d4cfc62f509129360d6bb3d=1617477736; kg_dfid_collect=d41d8cd98f00b204e9800998ecf8427e; _gid=GA1.2.1540738448.1617477740; _ga=GA1.2.1131611146.1617477740; kg_mid_temp=5e5e4e2c5f7f12e6b8e2bfb7d1e2d9e2",
}
response = requests.get(url, headers=headers)
data = response.json()
# 播放歌曲
play_url = data["data"]["play_url"]
os.system(f"start {play_url}")
# 在搜索框下方添加下载和播放按钮
self.button_frame = tk.Frame(self)
self.download_button = tk.Button(self.button_frame, text="下载", command=self.download)
self.download_button.pack(side=tk.LEFT)
self.play_button = tk.Button(self.button_frame, text="播放", command=self.play)
self.play_button.pack(side=tk.LEFT)
self.button_frame.pack(fill=tk.X)
```
到此为止,这个程序就完成了。你可以通过运行以下命令来启动它:
```
python gui.py
```
其中 `gui.py` 是程序的文件名。
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