项目重构: 整理目录结构, 更新前后端代码, 添加测试和数据库迁移

demo/scripts/utils/test-paypal-payment.ps1

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+# PayPal支付测试脚本
+# 使用方法: .\test-paypal-payment.ps1
+
+Write-Host "========================================" -ForegroundColor Cyan
+Write-Host "PayPal支付功能测试" -ForegroundColor Cyan
+Write-Host "========================================" -ForegroundColor Cyan
+Write-Host ""
+
+# 检查应用是否运行
+Write-Host "[1/4] 检查应用状态..." -ForegroundColor Yellow
+try {
+    $response = Invoke-WebRequest -Uri "http://localhost:8080/actuator/health" -TimeoutSec 3 -ErrorAction SilentlyContinue
+    Write-Host "✓ 应用正在运行" -ForegroundColor Green
+} catch {
+    Write-Host "✗ 应用未启动，请先运行: mvn spring-boot:run" -ForegroundColor Red
+    exit 1
+}
+
+Write-Host ""
+Write-Host "[2/4] 创建PayPal支付..." -ForegroundColor Yellow
+
+# 生成随机订单号
+$orderId = "TEST" + (Get-Date -Format "yyyyMMddHHmmss")
+
+$body = @{
+    username = "testuser"
+    orderId = $orderId
+    amount = "10.00"
+    method = "PAYPAL"
+} | ConvertTo-Json
+
+try {
+    $result = Invoke-RestMethod -Uri "http://localhost:8080/api/payment/paypal/create" `
+        -Method Post `
+        -ContentType "application/json" `
+        -Body $body
+    
+    Write-Host "✓ 支付创建成功！" -ForegroundColor Green
+    Write-Host ""
+    Write-Host "支付信息：" -ForegroundColor Cyan
+    Write-Host "  Payment ID: $($result.paymentId)" -ForegroundColor White
+    Write-Host "  订单号: $orderId" -ForegroundColor White
+    Write-Host "  金额: $10.00 USD" -ForegroundColor White
+    Write-Host "  PayPal Payment ID: $($result.externalTransactionId)" -ForegroundColor White
+    Write-Host ""
+    
+    Write-Host "[3/4] 支付URL已生成" -ForegroundColor Yellow
+    Write-Host "  $($result.paymentUrl)" -ForegroundColor Cyan
+    Write-Host ""
+    
+    Write-Host "[4/4] 下一步操作：" -ForegroundColor Yellow
+    Write-Host "  1. 在浏览器中打开上面的URL" -ForegroundColor White
+    Write-Host "  2. 使用PayPal Sandbox测试账号登录" -ForegroundColor White
+    Write-Host "  3. 点击 'Pay Now' 完成支付" -ForegroundColor White
+    Write-Host "  4. 支付完成后会自动跳转回应用" -ForegroundColor White
+    Write-Host ""
+    
+    # 询问是否自动打开浏览器
+    $open = Read-Host "是否在浏览器中打开支付URL? (Y/N)"
+    if ($open -eq "Y" -or $open -eq "y") {
+        Start-Process $result.paymentUrl
+        Write-Host "✓ 已在浏览器中打开支付页面" -ForegroundColor Green
+    }
+    
+    Write-Host ""
+    Write-Host "========================================" -ForegroundColor Cyan
+    Write-Host "提示：" -ForegroundColor Yellow
+    Write-Host "- 如果还没有创建Sandbox测试账号，请访问：" -ForegroundColor White
+    Write-Host "  https://developer.paypal.com/dashboard/accounts" -ForegroundColor Cyan
+    Write-Host "- 创建 Personal 账号作为买家" -ForegroundColor White
+    Write-Host "- 使用该账号登录并完成支付测试" -ForegroundColor White
+    Write-Host "========================================" -ForegroundColor Cyan
+    
+} catch {
+    Write-Host "✗ 创建支付失败" -ForegroundColor Red
+    Write-Host "错误信息: $($_.Exception.Message)" -ForegroundColor Red
+    Write-Host ""
+    Write-Host "可能的原因：" -ForegroundColor Yellow
+    Write-Host "1. PayPal配置未正确加载" -ForegroundColor White
+    Write-Host "2. PayPal Client ID或Secret不正确" -ForegroundColor White
+    Write-Host "3. 网络连接问题" -ForegroundColor White
+    Write-Host ""
+    Write-Host "请检查应用日志获取详细错误信息" -ForegroundColor Yellow
+}