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371 lines
13 KiB
371 lines
13 KiB
import { Ionicons } from '@expo/vector-icons';
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import { useRouter } from 'expo-router';
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import { ActivityIndicator, Pressable, ScrollView, StyleSheet, Text, View } from 'react-native';
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import { SafeAreaView } from 'react-native-safe-area-context';
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import Svg, { Line, Path, Rect, Text as SvgText } from 'react-native-svg';
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import { useAuditReport } from '../src/hooks';
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import { colors } from '../src/theme';
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import type { AuditKPI, AuditTrendPoint, RiskDistributionItem } from '../src/types';
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/* ===================== 子组件：顶部导航 ===================== */
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function Header({ onBack }: { onBack: () => void }) {
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return (
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<View style={styles.header}>
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<Pressable style={styles.headerBtn} onPress={onBack} hitSlop={8}>
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<Ionicons name="chevron-back" size={24} color={colors.textPrimary} />
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</Pressable>
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<Text style={styles.headerTitle}>数据审计报告</Text>
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<View style={styles.headerBtn} />
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</View>
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);
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}
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/* ===================== 子组件：等级卡 ===================== */
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function GradeCard({ grade, desc, todayBlocked }: { grade: string; desc: string; todayBlocked: number }) {
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return (
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<View style={styles.gradeCard}>
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<View style={styles.gradeCircle}>
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<Text style={styles.gradeText}>{grade}</Text>
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</View>
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<View style={styles.gradeInfo}>
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<Text style={styles.gradeTitle}>风控审计报告</Text>
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<Text style={styles.gradeDesc}>{desc}</Text>
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<Text style={styles.gradeSub}>今日拦截异常 {todayBlocked} 次</Text>
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</View>
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</View>
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);
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}
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/* ===================== 子组件：核心指标 ===================== */
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function KPICard({ kpi }: { kpi: AuditKPI }) {
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const isPositive = kpi.change >= 0;
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return (
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<View style={styles.kpiCard}>
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<View style={[styles.kpiIconWrap, { backgroundColor: `${kpi.color}15` }]}>
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<Ionicons name={kpi.icon as keyof typeof Ionicons.glyphMap} size={20} color={kpi.color} />
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</View>
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<Text style={styles.kpiValue}>
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{kpi.value}
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<Text style={styles.kpiUnit}>{kpi.unit ?? ''}</Text>
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</Text>
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<Text style={styles.kpiLabel}>{kpi.label}</Text>
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<View style={styles.kpiChangeRow}>
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<Ionicons
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name={isPositive ? 'trending-up-outline' : 'trending-down-outline'}
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size={12}
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color={isPositive ? colors.success : colors.danger}
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/>
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<Text style={[styles.kpiChange, { color: isPositive ? colors.success : colors.danger }]}>
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{isPositive ? '+' : ''}
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{kpi.change}%
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</Text>
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</View>
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</View>
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);
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}
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/* ===================== 子组件：威胁趋势图 ===================== */
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function ThreatTrendChart({ data }: { data: AuditTrendPoint[] }) {
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const width = 320;
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const height = 160;
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const padding = { top: 20, right: 20, bottom: 28, left: 32 };
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const chartW = width - padding.left - padding.right;
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const chartH = height - padding.top - padding.bottom;
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const maxRisk = Math.max(...data.map((d) => d.riskCount), 1);
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const maxHandled = Math.max(...data.map((d) => d.handledCount), 1);
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const maxY = Math.max(maxRisk, maxHandled);
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const getX = (i: number) => padding.left + (i / (data.length - 1)) * chartW;
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const getY = (v: number) => padding.top + chartH - (v / maxY) * chartH;
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const riskPath = data
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.map((d, i) => `${i === 0 ? 'M' : 'L'} ${getX(i)} ${getY(d.riskCount)}`)
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.join(' ');
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const handledPath = data
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.map((d, i) => `${i === 0 ? 'M' : 'L'} ${getX(i)} ${getY(d.handledCount)}`)
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.join(' ');
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return (
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<View style={styles.chartCard}>
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<View style={styles.chartHeader}>
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<Text style={styles.chartTitle}>威胁趋势</Text>
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<View style={styles.legendRow}>
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<View style={styles.legendItem}>
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<View style={[styles.legendDot, { backgroundColor: colors.danger }]} />
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<Text style={styles.legendText}>风险事件</Text>
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</View>
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<View style={styles.legendItem}>
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<View style={[styles.legendDot, { backgroundColor: colors.success }]} />
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<Text style={styles.legendText}>已处理</Text>
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</View>
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</View>
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</View>
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<Svg width={width} height={height}>
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{/* 网格线 */}
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{[0, 0.5, 1].map((ratio, i) => {
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const y = padding.top + chartH * ratio;
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return (
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<Line
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key={`grid-${i}`}
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x1={padding.left}
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y1={y}
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x2={padding.left + chartW}
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y2={y}
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stroke={colors.borderLight}
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strokeWidth={1}
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strokeDasharray="3 3"
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/>
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);
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})}
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{/* Y 轴标签 */}
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<SvgText x={padding.left - 8} y={padding.top + 4} fill={colors.textHint} fontSize="10" textAnchor="end">
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{maxY}
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</SvgText>
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<SvgText x={padding.left - 8} y={padding.top + chartH / 2 + 4} fill={colors.textHint} fontSize="10" textAnchor="end">
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{Math.round(maxY / 2)}
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</SvgText>
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<SvgText x={padding.left - 8} y={padding.top + chartH + 4} fill={colors.textHint} fontSize="10" textAnchor="end">
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0
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</SvgText>
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{/* 折线 */}
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<Path d={riskPath} fill="none" stroke={colors.danger} strokeWidth={2} />
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<Path d={handledPath} fill="none" stroke={colors.success} strokeWidth={2} />
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{/* 数据点 */}
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{data.map((d, i) => (
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<View key={`risk-${i}`}>
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<Rect x={getX(i) - 3} y={getY(d.riskCount) - 3} width={6} height={6} fill={colors.danger} rx={3} />
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<Rect x={getX(i) - 3} y={getY(d.handledCount) - 3} width={6} height={6} fill={colors.success} rx={3} />
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</View>
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))}
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{/* X 轴标签 */}
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{data.map((d, i) => (
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<SvgText
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key={`x-${i}`}
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x={getX(i)}
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y={padding.top + chartH + 16}
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fill={colors.textHint}
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fontSize="9"
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textAnchor="middle"
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>
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{d.date}
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</SvgText>
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))}
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</Svg>
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</View>
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);
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}
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/* ===================== 子组件：风险类型分布 ===================== */
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function RiskDistribution({ items }: { items: RiskDistributionItem[] }) {
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return (
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<View style={styles.chartCard}>
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<Text style={styles.chartTitle}>风险类型分布</Text>
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<View style={styles.distributionWrap}>
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<View style={styles.piePlaceholder}>
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<View style={[styles.pieCenter, { backgroundColor: colors.white }]}>
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<Text style={styles.pieTotal}>{items.length}</Text>
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<Text style={styles.pieTotalLabel}>类型</Text>
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</View>
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</View>
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<View style={styles.legendCol}>
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{items.map((item) => (
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<View key={item.id} style={styles.distLegendItem}>
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<View style={[styles.legendDot, { backgroundColor: item.color }]} />
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<Text style={styles.distLabel}>{item.label}</Text>
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<Text style={styles.distPercent}>{item.percent}%</Text>
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</View>
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))}
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</View>
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</View>
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</View>
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);
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}
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/* ===================== 页面 ===================== */
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export default function AuditReportScreen() {
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const router = useRouter();
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const { report, loading, error, refresh } = useAuditReport();
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if (loading) {
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return (
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<SafeAreaView style={styles.safeArea} edges={['top']}>
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<Header onBack={() => router.back()} />
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<View style={styles.center}>
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<ActivityIndicator size="large" color={colors.primary} />
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</View>
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</SafeAreaView>
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);
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}
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if (error || !report) {
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return (
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<SafeAreaView style={styles.safeArea} edges={['top']}>
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<Header onBack={() => router.back()} />
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<View style={styles.center}>
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<Text style={styles.tip}>加载失败</Text>
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<Pressable style={styles.retryBtn} onPress={refresh}>
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<Text style={styles.retryText}>重试</Text>
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</Pressable>
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</View>
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</SafeAreaView>
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);
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}
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return (
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<SafeAreaView style={styles.safeArea} edges={['top']}>
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<Header onBack={() => router.back()} />
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<ScrollView style={styles.scroll} showsVerticalScrollIndicator={false}>
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<View style={styles.content}>
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<GradeCard grade={report.grade} desc={report.gradeDesc} todayBlocked={report.todayBlocked} />
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<View style={styles.sectionHeader}>
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<View style={styles.sectionBar} />
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<Text style={styles.sectionTitle}>核心数据看板</Text>
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<Text style={styles.sectionPeriod}>{report.period}</Text>
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</View>
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<View style={styles.kpiGrid}>
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{report.kpis.map((kpi) => (
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<KPICard key={kpi.id} kpi={kpi} />
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))}
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</View>
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<ThreatTrendChart data={report.threatTrend} />
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<View style={styles.chartGap} />
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<RiskDistribution items={report.riskDistribution} />
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</View>
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<View style={styles.bottomPad} />
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</ScrollView>
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</SafeAreaView>
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);
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}
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const styles = StyleSheet.create({
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safeArea: { flex: 1, backgroundColor: colors.pageBg },
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header: {
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height: 44,
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flexDirection: 'row',
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alignItems: 'center',
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justifyContent: 'space-between',
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paddingHorizontal: 8,
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backgroundColor: colors.white,
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},
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headerBtn: { width: 36, height: 36, alignItems: 'center', justifyContent: 'center' },
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headerTitle: { fontSize: 17, fontWeight: '700', color: colors.textPrimary },
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scroll: { flex: 1 },
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content: { padding: 8 },
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center: { flex: 1, alignItems: 'center', justifyContent: 'center' },
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tip: { fontSize: 14, color: colors.textSecondary },
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retryBtn: {
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marginTop: 12,
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paddingHorizontal: 18,
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paddingVertical: 8,
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borderRadius: 16,
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backgroundColor: colors.primaryLight,
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},
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retryText: { fontSize: 13, fontWeight: '600', color: colors.primaryText },
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gradeCard: {
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flexDirection: 'row',
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alignItems: 'center',
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backgroundColor: colors.success,
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borderRadius: 8,
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padding: 8,
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},
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gradeCircle: {
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width: 72,
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height: 72,
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borderRadius: 36,
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backgroundColor: colors.white,
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alignItems: 'center',
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justifyContent: 'center',
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},
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gradeText: { fontSize: 36, fontWeight: '800', color: colors.success },
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gradeInfo: { flex: 1, marginLeft: 16 },
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gradeTitle: { fontSize: 18, fontWeight: '700', color: colors.textInverse },
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gradeDesc: { fontSize: 13, color: colors.textInverse, opacity: 0.9, marginTop: 4, lineHeight: 18 },
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gradeSub: { fontSize: 12, color: colors.textInverse, opacity: 0.8, marginTop: 8 },
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sectionHeader: {
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flexDirection: 'row',
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alignItems: 'center',
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marginTop: 24,
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marginBottom: 12,
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},
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sectionBar: { width: 4, height: 16, borderRadius: 2, backgroundColor: colors.primary, marginRight: 8 },
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sectionTitle: { flex: 1, fontSize: 16, fontWeight: '700', color: colors.textPrimary },
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sectionPeriod: { fontSize: 12, color: colors.textHint },
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kpiGrid: {
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flexDirection: 'row',
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flexWrap: 'wrap',
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justifyContent: 'space-between',
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},
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kpiCard: {
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width: '48%',
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backgroundColor: colors.white,
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borderRadius: 8,
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padding: 8,
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marginBottom: 8,
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},
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kpiIconWrap: {
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width: 36,
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height: 36,
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borderRadius: 10,
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alignItems: 'center',
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justifyContent: 'center',
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marginBottom: 10,
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},
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kpiValue: { fontSize: 24, fontWeight: '700', color: colors.textPrimary },
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kpiUnit: { fontSize: 13, fontWeight: '600', color: colors.textSecondary },
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kpiLabel: { fontSize: 13, color: colors.textSecondary, marginTop: 4 },
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kpiChangeRow: { flexDirection: 'row', alignItems: 'center', marginTop: 8 },
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kpiChange: { fontSize: 12, fontWeight: '600', marginLeft: 3 },
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chartCard: {
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backgroundColor: colors.white,
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borderRadius: 8,
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padding: 8,
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},
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chartGap: { height: 12 },
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chartHeader: {
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flexDirection: 'row',
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alignItems: 'center',
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justifyContent: 'space-between',
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marginBottom: 12,
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},
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chartTitle: { fontSize: 15, fontWeight: '700', color: colors.textPrimary },
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legendRow: { flexDirection: 'row' },
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legendItem: { flexDirection: 'row', alignItems: 'center', marginLeft: 12 },
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legendDot: { width: 8, height: 8, borderRadius: 4 },
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legendText: { marginLeft: 4, fontSize: 11, color: colors.textSecondary },
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distributionWrap: { flexDirection: 'row', alignItems: 'center', marginTop: 8 },
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piePlaceholder: {
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width: 120,
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height: 120,
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borderRadius: 60,
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backgroundColor: colors.border,
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alignItems: 'center',
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justifyContent: 'center',
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},
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pieCenter: {
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width: 80,
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height: 80,
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borderRadius: 40,
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alignItems: 'center',
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justifyContent: 'center',
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},
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pieTotal: { fontSize: 22, fontWeight: '700', color: colors.textPrimary },
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pieTotalLabel: { fontSize: 11, color: colors.textSecondary },
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legendCol: { flex: 1, marginLeft: 20 },
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distLegendItem: {
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flexDirection: 'row',
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alignItems: 'center',
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paddingVertical: 6,
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},
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distLabel: { flex: 1, marginLeft: 8, fontSize: 13, color: colors.textPrimary },
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distPercent: { fontSize: 13, fontWeight: '700', color: colors.textPrimary },
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bottomPad: { height: 24 },
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});
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