更新 Bing 今日壁纸

===== 配置 =====

$ImagePath = "C:\Users\Fadegentle\Documents\PowerShell\bing-today.jpg" $MetaPath = "C:\Users\Fadegentle\Documents\PowerShell\bing-today.txt" $ApiUrl = "https://cn.bing.com/HPImageArchive.aspx?format=js&idx=0&n=1&mkt=zh-CN"

===== 判断是否需要更新 =====

$today = (Get-Date).ToString("yyyyMMdd")

if (Test-Path $MetaPath) { $last = Get-Content $MetaPath -ErrorAction SilentlyContinue if ($last -eq $today -and (Test-Path $ImagePath)) { return # 今天已经有了，直接退出 } }

===== 获取 Bing 今日壁纸信息 =====

try { $json = Invoke-RestMethod -Uri $ApiUrl -TimeoutSec 10 $relativeUrl = $json.images[0].url.Split("&")[0] $imageUrl = "https://www.bing.com$relativeUrl"

# ===== 下载图片 =====
Invoke-WebRequest -Uri $imageUrl -OutFile $ImagePath -TimeoutSec 20

# ===== 记录日期 =====
Set-Content -Path $MetaPath -Value $today -Encoding ASCII

} catch { # 网络或 API 失败，什么都不做，Terminal 还能用旧图 }