Files
cstb-next/docs/web-integration-example.md

272 lines
7.1 KiB
Markdown
Raw Normal View History

2025-11-05 11:21:13 +08:00
# 网页端集成示例代码
本文档提供网页端https://cstb.upup.cool/)实现登录/注册回调的示例代码。
## 登录页面示例
`auth/login` 页面中:
```typescript
'use client'
import { useState } from 'react'
import { createClient } from '@/utils/supabase/client'
import { useSearchParams } from 'next/navigation'
export default function LoginPage() {
const [email, setEmail] = useState('')
const [password, setPassword] = useState('')
const [loading, setLoading] = useState(false)
const searchParams = useSearchParams()
const redirectTo = searchParams.get('redirect') // 应该是 'cstb://auth'
const supabase = createClient()
const handleLogin = async (e: React.FormEvent) => {
e.preventDefault()
setLoading(true)
try {
const { data, error } = await supabase.auth.signInWithPassword({
email,
password,
})
if (error) {
alert(`登录失败: ${error.message}`)
setLoading(false)
return
}
if (data.session) {
// 如果有 redirect 参数,说明是从应用跳转过来的
if (redirectTo) {
// 构建 deep-link URL
const redirectUrl = new URL(redirectTo)
redirectUrl.searchParams.set('access_token', data.session.access_token)
redirectUrl.searchParams.set('refresh_token', data.session.refresh_token)
// 重定向到应用
window.location.href = redirectUrl.toString()
} else {
// 正常网页端跳转
window.location.href = '/'
}
}
} catch (error) {
console.error('Login error:', error)
alert('登录时发生错误')
setLoading(false)
}
}
return (
<form onSubmit={handleLogin}>
<input
type="email"
value={email}
onChange={(e) => setEmail(e.target.value)}
placeholder="邮箱"
required
/>
<input
type="password"
value={password}
onChange={(e) => setPassword(e.target.value)}
placeholder="密码"
required
/>
<button type="submit" disabled={loading}>
{loading ? '登录中...' : '登录'}
</button>
</form>
)
}
```
## 注册页面示例
`auth/signup` 页面中:
```typescript
'use client'
import { useState } from 'react'
import { createClient } from '@/utils/supabase/client'
import { useSearchParams } from 'next/navigation'
export default function SignupPage() {
const [email, setEmail] = useState('')
const [password, setPassword] = useState('')
const [confirmPassword, setConfirmPassword] = useState('')
const [loading, setLoading] = useState(false)
const searchParams = useSearchParams()
const redirectTo = searchParams.get('redirect') // 应该是 'cstb://auth'
const supabase = createClient()
const handleSignup = async (e: React.FormEvent) => {
e.preventDefault()
if (password !== confirmPassword) {
alert('两次输入的密码不一致')
return
}
setLoading(true)
try {
const { data, error } = await supabase.auth.signUp({
email,
password,
})
if (error) {
alert(`注册失败: ${error.message}`)
setLoading(false)
return
}
if (data.session) {
// 如果有 redirect 参数,说明是从应用跳转过来的
if (redirectTo) {
// 构建 deep-link URL
const redirectUrl = new URL(redirectTo)
redirectUrl.searchParams.set('access_token', data.session.access_token)
redirectUrl.searchParams.set('refresh_token', data.session.refresh_token)
// 重定向到应用
window.location.href = redirectUrl.toString()
} else {
// 正常网页端跳转
alert('注册成功!请检查邮箱验证链接。')
window.location.href = '/'
}
} else {
// 需要邮箱验证
alert('注册成功!请检查邮箱中的验证链接。')
if (!redirectTo) {
window.location.href = '/'
}
}
} catch (error) {
console.error('Signup error:', error)
alert('注册时发生错误')
setLoading(false)
}
}
return (
<form onSubmit={handleSignup}>
<input
type="email"
value={email}
onChange={(e) => setEmail(e.target.value)}
placeholder="邮箱"
required
/>
<input
type="password"
value={password}
onChange={(e) => setPassword(e.target.value)}
placeholder="密码"
required
/>
<input
type="password"
value={confirmPassword}
onChange={(e) => setConfirmPassword(e.target.value)}
placeholder="确认密码"
required
/>
<button type="submit" disabled={loading}>
{loading ? '注册中...' : '注册'}
</button>
</form>
)
}
```
## 使用 OAuth 提供商的示例
如果使用第三方登录(如 Google、GitHub 等):
```typescript
const handleOAuthLogin = async (provider: 'google' | 'github') => {
const { data, error } = await supabase.auth.signInWithOAuth({
provider,
options: {
redirectTo: redirectTo || `${window.location.origin}/auth/callback`,
},
})
if (error) {
alert(`登录失败: ${error.message}`)
return
}
// OAuth 会重定向到回调页面,在回调页面中处理
}
```
## 回调页面处理
如果需要处理 OAuth 回调:
```typescript
// auth/callback/page.tsx
'use client'
import { useEffect } from 'react'
import { createClient } from '@/utils/supabase/client'
import { useSearchParams } from 'next/navigation'
export default function CallbackPage() {
const searchParams = useSearchParams()
const redirectTo = searchParams.get('redirect') // 从应用跳转时的原始 redirect
useEffect(() => {
const handleCallback = async () => {
const supabase = createClient()
const { data: { session }, error } = await supabase.auth.getSession()
if (error) {
console.error('Error getting session:', error)
return
}
if (session) {
// 如果是从应用跳转过来的,重定向回应用
if (redirectTo) {
const redirectUrl = new URL(redirectTo)
redirectUrl.searchParams.set('access_token', session.access_token)
redirectUrl.searchParams.set('refresh_token', session.refresh_token)
window.location.href = redirectUrl.toString()
} else {
// 正常网页端跳转
window.location.href = '/'
}
}
}
void handleCallback()
}, [redirectTo])
return <div>正在处理登录...</div>
}
```
## 注意事项
1. **安全性**: 确保只在 HTTPS 环境下使用,避免 token 泄露
2. **错误处理**: 始终处理登录/注册失败的情况
3. **用户体验**: 在重定向前显示加载状态
4. **验证**: 如果启用了邮箱验证,需要处理未验证的情况
## 测试步骤
1. 在应用中使用 `https://cstb.upup.cool/auth/login?redirect=cstb://auth` 打开登录页面
2. 完成登录后,应该自动跳转回应用
3. 检查应用是否成功接收并设置了 session