292 lines
11 KiB
TypeScript
292 lines
11 KiB
TypeScript
import { useState } from 'react'
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import { Button, Card, Form, Input, message, Row, Col, Divider, Typography, Space } from 'antd'
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import { FileTextOutlined, DownloadOutlined } from '@ant-design/icons'
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import ReactMarkdown from 'react-markdown'
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import remarkGfm from 'remark-gfm'
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import { submitContractReview } from '@/api/contract-review'
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const { Title, Paragraph } = Typography
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const { TextArea } = Input
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const ContractReview = () => {
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const [form] = Form.useForm()
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const [loading, setLoading] = useState(false)
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const [reviewResult, setReviewResult] = useState('')
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const [currentContract, setCurrentContract] = useState('')
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const maxChars = 10000
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const handleReview = async () => {
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try {
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const contract_text = form.getFieldValue('contract_fragment') || ''
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const knowledge_base = '通用合同审核规则' // 固定使用通用知识库
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// 验证输入
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if (!contract_text.trim()) {
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message.warning('请输入需要审核的合同片段')
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return
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}
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setLoading(true)
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setReviewResult('')
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const response = await submitContractReview(contract_text, knowledge_base)
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if (!response.ok) {
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const errorText = await response.text()
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throw new Error(`审核请求失败: ${response.status} ${errorText}`)
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}
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if (!response.body) {
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throw new Error('响应体为空')
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}
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const reader = response.body.getReader()
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const decoder = new TextDecoder('utf-8')
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let buffer = ''
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let fullContent = ''
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try {
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while (true) {
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const { done, value } = await reader.read()
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if (done) break
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buffer += decoder.decode(value, { stream: true })
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const lines = buffer.split('\n')
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buffer = lines.pop() || ''
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for (const line of lines) {
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const trimmedLine = line.trim()
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if (!trimmedLine || trimmedLine === 'data: [DONE]') {
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if (trimmedLine === 'data: [DONE]') {
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message.success('审核完成')
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setLoading(false)
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return
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}
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continue
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}
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if (trimmedLine.startsWith('data: ')) {
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try {
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const data = trimmedLine.slice(6)
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const parsed = JSON.parse(data)
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if (parsed.event === 'message' && parsed.answer) {
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fullContent += parsed.answer
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setReviewResult(fullContent)
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} else if (parsed.event === 'error') {
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throw new Error(parsed.message || 'Dify API 返回错误')
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}
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} catch (parseError) {
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console.warn('跳过无法解析的行:', trimmedLine)
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}
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}
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}
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}
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} finally {
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reader.releaseLock()
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}
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if (fullContent) {
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message.success('审核完成')
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} else {
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throw new Error('未收到审核结果')
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}
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} catch (error) {
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console.error('审核错误:', error)
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message.error(error instanceof Error ? error.message : '审核失败，请稍后重试')
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} finally {
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setLoading(false)
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}
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}
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const handleClear = () => {
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form.resetFields()
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setReviewResult('')
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setCurrentContract('')
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message.info('已清空内容')
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}
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const handleExport = () => {
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if (!reviewResult) {
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message.warning('没有可导出的内容')
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return
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}
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// 创建下载链接
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const element = document.createElement('a')
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const file = new Blob([reviewResult], { type: 'text/plain;charset=utf-8' })
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element.href = URL.createObjectURL(file)
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element.download = `合同审核报告_${new Date().toLocaleString('zh-CN', {
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year: 'numeric',
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month: '2-digit',
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day: '2-digit',
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hour: '2-digit',
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minute: '2-digit'
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}).replace(/\//g, '-')}.txt`
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document.body.appendChild(element)
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element.click()
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document.body.removeChild(element)
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message.success('导出成功')
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}
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return (
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<div style={{ maxWidth: '1200px', margin: '0 auto', padding: '20px' }}>
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<Space direction="vertical" size="small" style={{ marginBottom: '30px', textAlign: 'center' }}>
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<Title level={2} style={{ color: '#1890ff', marginBottom: '8px' }}>
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合同智能审核
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</Title>
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<Paragraph style={{ color: '#666', fontSize: '14px', marginBottom: 0 }}>
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AI驱动的合同智能审核工具，基于通用合同审核规则快速识别风险点并提供专业建议
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</Paragraph>
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</Space>
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<div style={{ display: 'flex', flexDirection: 'column', gap: '20px' }}>
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{/* 参数输入区 */}
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<Card title="参数输入区">
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<Form form={form} layout="vertical">
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<Form.Item
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name="contract_fragment"
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label={
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<div style={{ display: 'flex', justifyContent: 'space-between', width: '100%' }}>
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<span>合同片段</span>
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<span style={{ color: currentContract.length > maxChars ? '#ff4d4f' : '#999' }}>
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{currentContract.length} / {maxChars}
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</span>
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</div>
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}
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rules={[
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{ required: true, message: '请输入需要审核的合同片段' },
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{ max: maxChars, message: `输入内容不能超过${maxChars}个字符` }
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]}
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>
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<TextArea
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placeholder="请输入需要审核的合同片段内容（最多10000个字符）"
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rows={10}
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value={currentContract}
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onChange={(e) => setCurrentContract(e.target.value)}
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showCount
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maxLength={maxChars}
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style={{ fontSize: '14px' }}
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/>
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</Form.Item>
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{/* 知识库选择已隐藏，默认使用通用合同审核规则 */}
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<input type="hidden" name="knowledge_base" value="通用合同审核规则" />
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</Form>
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</Card>
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{/* 操作按钮区 */}
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<div style={{ display: 'flex', justifyContent: 'center', gap: '16px' }}>
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<Button
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type="primary"
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size="large"
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onClick={handleReview}
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loading={loading}
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icon={<FileTextOutlined />}
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style={{ minWidth: '140px', height: '44px', fontSize: '16px' }}
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>
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开始审核
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</Button>
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<Button
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size="large"
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onClick={handleClear}
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disabled={loading}
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style={{ minWidth: '120px', height: '44px', fontSize: '16px' }}
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>
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清空
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</Button>
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<Button
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size="large"
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onClick={handleExport}
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disabled={!reviewResult || loading}
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icon={<DownloadOutlined />}
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style={{ minWidth: '120px', height: '44px', fontSize: '16px' }}
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>
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导出报告
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</Button>
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</div>
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{/* 内容展示区 */}
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<Card
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title="审核结果"
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extra={
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reviewResult && (
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<span style={{ color: '#52c41a', fontWeight: 'bold' }}>
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审核完成
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</span>
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)
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}
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>
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<div
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style={{
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minHeight: '300px',
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maxHeight: '600px',
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overflowY: 'auto',
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padding: '20px',
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backgroundColor: '#fafafa',
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border: '1px solid #d9d9d9',
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borderRadius: '6px'
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}}
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>
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{loading ? (
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<div style={{ textAlign: 'center', color: '#999', padding: '40px' }}>
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<div style={{ fontSize: '16px', marginBottom: '8px' }}>🤖 AI 正在审核中...</div>
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<div style={{ fontSize: '12px' }}>请稍候，审核过程可能需要几分钟时间</div>
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</div>
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) : reviewResult ? (
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<ReactMarkdown
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remarkPlugins={[remarkGfm]}
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components={{
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// 自定义样式
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h1: ({ children }) => <h1 style={{ color: '#1890ff', fontSize: '20px', marginBottom: '16px', borderBottom: '2px solid #1890ff', paddingBottom: '8px' }}>{children}</h1>,
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h2: ({ children }) => <h2 style={{ color: '#1890ff', fontSize: '18px', marginBottom: '12px', marginTop: '20px' }}>{children}</h2>,
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h3: ({ children }) => <h3 style={{ color: '#333', fontSize: '16px', marginBottom: '10px', marginTop: '16px' }}>{children}</h3>,
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p: ({ children }) => <p style={{ marginBottom: '12px', lineHeight: '1.6', color: '#333' }}>{children}</p>,
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table: ({ children }) => (
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<div style={{ overflowX: 'auto', marginBottom: '16px' }}>
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<table style={{ width: '100%', borderCollapse: 'collapse', fontSize: '14px' }}>{children}</table>
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</div>
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),
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th: ({ children }) => <th style={{ border: '1px solid #d9d9d9', padding: '8px 12px', backgroundColor: '#f5f5f5', fontWeight: 'bold', textAlign: 'left' }}>{children}</th>,
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td: ({ children }) => <td style={{ border: '1px solid #d9d9d9', padding: '8px 12px' }}>{children}</td>,
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ul: ({ children }) => <ul style={{ marginBottom: '12px', paddingLeft: '20px' }}>{children}</ul>,
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ol: ({ children }) => <ol style={{ marginBottom: '12px', paddingLeft: '20px' }}>{children}</ol>,
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li: ({ children }) => <li style={{ marginBottom: '4px', lineHeight: '1.6' }}>{children}</li>,
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blockquote: ({ children }) => (
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<blockquote style={{ borderLeft: '4px solid #1890ff', paddingLeft: '16px', marginLeft: 0, marginBottom: '12px', fontStyle: 'italic', backgroundColor: '#f0f9ff', padding: '12px 16px' }}>
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{children}
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</blockquote>
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),
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code: ({ children }) => (
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<code style={{ backgroundColor: '#f5f5f5', padding: '2px 4px', borderRadius: '3px', fontSize: '13px', fontFamily: 'Monaco, Consolas, monospace' }}>
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{children}
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</code>
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),
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pre: ({ children }) => (
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<pre style={{ backgroundColor: '#f5f5f5', padding: '12px', borderRadius: '6px', overflowX: 'auto', marginBottom: '12px' }}>
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{children}
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</pre>
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),
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strong: ({ children }) => <strong style={{ fontWeight: 'bold', color: '#1890ff' }}>{children}</strong>
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}}
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>
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{reviewResult}
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</ReactMarkdown>
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) : (
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<div style={{ textAlign: 'center', color: '#999', padding: '60px' }}>
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<FileTextOutlined style={{ fontSize: '48px', marginBottom: '16px', display: 'block' }} />
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<div>审核结果将在这里显示</div>
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<div style={{ fontSize: '12px', marginTop: '8px' }}>
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请输入合同片段，然后点击"开始审核"
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</div>
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</div>
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)}
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</div>
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</Card>
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</div>
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</div>
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)
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}
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export default ContractReview |