392 lines
11 KiB
TypeScript
392 lines
11 KiB
TypeScript
import { View, StyleSheet, ScrollView, ActivityIndicator } from 'react-native';
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import { ThemedView } from '@/components/themed-view';
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import { ThemedText } from '@/components/themed-text';
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import { RunFormSchema, RunTemplateData, FormFieldSchema } from '@/lib/types/template-run';
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import { TextInputField } from './form-fields/text-input';
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import { NumberInputField } from './form-fields/number-input';
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import { SelectInputField } from './form-fields/select-input';
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import { ImageUploadField } from './form-fields/image-upload';
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import { ColorInputField } from './form-fields/color-input';
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import { useState, useEffect } from 'react';
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import { validateFormSchema } from '@/lib/utils/form-schema-transformer';
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interface DynamicFormProps {
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schema: RunFormSchema;
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initialData?: RunTemplateData;
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onDataChange?: (data: RunTemplateData, isValid: boolean) => void;
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onSubmit?: () => void;
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}
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export function DynamicForm({
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schema,
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initialData = {},
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onDataChange,
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onSubmit
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}: DynamicFormProps) {
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const [formData, setFormData] = useState<RunTemplateData>(initialData);
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const [errors, setErrors] = useState<Record<string, string>>({});
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const [isValidating, setIsValidating] = useState(false);
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const [schemaError, setSchemaError] = useState<string | null>(null);
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// 验证schema并初始化默认值
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useEffect(() => {
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setIsValidating(true);
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setSchemaError(null);
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try {
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if (!validateFormSchema(schema)) {
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setSchemaError('表单配置格式不正确');
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return;
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}
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const defaultData: RunTemplateData = {};
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schema.fields.forEach(field => {
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if (field.defaultValue !== undefined) {
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defaultData[field.name] = field.defaultValue;
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}
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});
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const finalInitialData = { ...defaultData, ...initialData };
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setFormData(finalInitialData);
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if (onDataChange) {
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onDataChange(finalInitialData, true);
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}
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} catch (error) {
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console.error('表单初始化失败:', error);
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setSchemaError('表单初始化失败');
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} finally {
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setIsValidating(false);
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}
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}, [schema, initialData]);
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// 验证单个字段
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const validateField = (field: FormFieldSchema, value: any): string | null => {
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// 检查必填
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if (field.required && (value === undefined || value === null || value === '')) {
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return `${field.label} 是必填项`;
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}
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// 如果值为空且不是必填，则跳过其他验证
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if (value === undefined || value === null || value === '') {
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return null;
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}
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// 根据类型验证
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switch (field.type) {
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case 'text':
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case 'textarea':
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if (typeof value !== 'string') {
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return `${field.label} 必须是文本`;
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}
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if (field.min && value.length < field.min) {
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return `${field.label} 至少需要 ${field.min} 个字符`;
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}
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if (field.max && value.length > field.max) {
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return `${field.label} 最多 ${field.max} 个字符`;
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}
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break;
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case 'number':
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const numValue = Number(value);
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if (isNaN(numValue)) {
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return `${field.label} 必须是数字`;
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}
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if (field.min !== undefined && numValue < field.min) {
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return `${field.label} 不能小于 ${field.min}`;
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}
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if (field.max !== undefined && numValue > field.max) {
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return `${field.label} 不能大于 ${field.max}`;
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}
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break;
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case 'select':
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const isValidOption = field.options?.some(option => option.value === value);
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if (!isValidOption) {
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return `${field.label} 选择了无效的选项`;
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}
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break;
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case 'image':
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if (typeof value !== 'string') {
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return `${field.label} 必须是图片URL`;
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}
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if (value && !value.startsWith('http') && !value.startsWith('file://')) {
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return `${field.label} 必须是有效的图片地址`;
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}
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break;
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case 'color':
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if (typeof value !== 'string') {
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return `${field.label} 必须是颜色值`;
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}
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if (value && !/^#[0-9A-F]{6}$/i.test(value)) {
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return `${field.label} 必须是有效的颜色值 (如 #FF0000)`;
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}
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break;
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}
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return null;
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};
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// 更新表单数据
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const updateField = (fieldName: string, value: any) => {
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const newFormData = { ...formData, [fieldName]: value };
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setFormData(newFormData);
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// 实时验证字段
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const field = schema.fields.find(f => f.name === fieldName);
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if (field) {
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const error = validateField(field, value);
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setErrors(prev => ({
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...prev,
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[fieldName]: error || ''
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}));
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}
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// 通知父组件数据变化
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if (onDataChange) {
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// 计算整个表单的验证状态
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const allErrors: Record<string, string> = {};
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schema.fields.forEach(item => {
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const nextValue = item.name === fieldName ? value : newFormData[item.name];
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const itemError = validateField(item, nextValue);
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if (itemError) {
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allErrors[item.name] = itemError;
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}
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});
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if (field) {
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const fieldError = validateField(field, value);
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if (fieldError) {
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allErrors[fieldName] = fieldError;
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} else {
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delete allErrors[fieldName];
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}
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}
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const isValid = Object.keys(allErrors).length === 0;
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setErrors(allErrors);
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onDataChange(newFormData, isValid);
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}
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};
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// 渲染表单字段
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const renderField = (field: FormFieldSchema) => {
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const commonProps = {
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field,
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value: formData[field.name],
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onChange: (value: any) => updateField(field.name, value),
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error: errors[field.name],
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};
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switch (field.type) {
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case 'text':
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case 'textarea':
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return <TextInputField key={field.name} {...commonProps} />;
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case 'number':
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return <NumberInputField key={field.name} {...commonProps} />;
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case 'select':
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return <SelectInputField key={field.name} {...commonProps} />;
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case 'image':
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return <ImageUploadField key={field.name} {...commonProps} />;
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case 'color':
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return <ColorInputField key={field.name} {...commonProps} />;
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default:
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console.warn(`不支持的表单字段类型: ${field.type}`);
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return null;
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}
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};
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// 显示加载状态
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if (isValidating) {
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return (
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<View style={styles.loadingContainer}>
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<ActivityIndicator size="large" color="#4ECDC4" />
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<ThemedText style={styles.loadingText}>正在加载表单...</ThemedText>
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</View>
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);
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}
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// 显示schema错误
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if (schemaError) {
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return (
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<View style={styles.errorContainer}>
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<ThemedText style={styles.errorTitle}>表单加载失败</ThemedText>
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<ThemedText style={styles.errorText}>{schemaError}</ThemedText>
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<ThemedText style={styles.errorHint}>
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请稍后重试，或联系技术支持。
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</ThemedText>
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</View>
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);
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}
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return (
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<ScrollView style={styles.container} showsVerticalScrollIndicator={false}>
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<ThemedView style={styles.content}>
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{schema.fields.length === 0 ? (
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<View style={styles.emptyContainer}>
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<ThemedText style={styles.emptyIcon}>📋</ThemedText>
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<ThemedText style={styles.emptyText}>无需配置参数</ThemedText>
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<ThemedText style={styles.emptyDescription}>
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此模板使用默认参数，可以直接开始生成
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</ThemedText>
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</View>
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) : (
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<>
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<ThemedView style={styles.formHeader}>
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<ThemedText style={styles.formTitle}>请填写以下信息</ThemedText>
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<ThemedText style={styles.formDescription}>
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完善配置信息以获得最佳的生成效果
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</ThemedText>
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</ThemedView>
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{schema.fields.map(field => renderField(field))}
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{Object.keys(errors).length > 0 && (
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<ThemedView style={styles.errorSummary}>
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<ThemedText style={styles.errorSummaryText}>
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⚠️ 请修正 {Object.keys(errors).length} 个错误后再提交
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</ThemedText>
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{Object.entries(errors).map(([fieldName, error]) => (
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<ThemedText key={fieldName} style={styles.errorItem}>
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• {error}
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</ThemedText>
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))}
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</ThemedView>
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)}
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{Object.keys(errors).length === 0 && formData && Object.keys(formData).length > 0 && (
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<ThemedView style={styles.successSummary}>
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<ThemedText style={styles.successText}>
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✓ 配置信息完整，可以开始生成
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</ThemedText>
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</ThemedView>
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)}
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</>
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)}
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</ThemedView>
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</ScrollView>
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);
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}
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const styles = StyleSheet.create({
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container: {
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flex: 1,
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},
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content: {
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padding: 16,
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},
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// 加载状态样式
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loadingContainer: {
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flex: 1,
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justifyContent: 'center',
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alignItems: 'center',
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paddingVertical: 60,
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},
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loadingText: {
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fontSize: 16,
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marginTop: 16,
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opacity: 0.7,
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},
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// 错误状态样式
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errorContainer: {
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flex: 1,
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justifyContent: 'center',
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alignItems: 'center',
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padding: 24,
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},
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errorTitle: {
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fontSize: 18,
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fontWeight: '600',
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color: '#FF3B30',
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marginBottom: 8,
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},
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errorText: {
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fontSize: 16,
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textAlign: 'center',
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opacity: 0.8,
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marginBottom: 12,
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},
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errorHint: {
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fontSize: 14,
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textAlign: 'center',
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opacity: 0.6,
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},
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// 空状态样式
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emptyContainer: {
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alignItems: 'center',
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paddingVertical: 40,
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},
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emptyIcon: {
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fontSize: 48,
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marginBottom: 16,
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},
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emptyText: {
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fontSize: 18,
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fontWeight: '500',
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marginBottom: 8,
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opacity: 0.8,
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},
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emptyDescription: {
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fontSize: 14,
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textAlign: 'center',
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opacity: 0.6,
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lineHeight: 20,
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},
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// 表单头部样式
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formHeader: {
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marginBottom: 20,
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},
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formTitle: {
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fontSize: 18,
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fontWeight: '600',
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marginBottom: 4,
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},
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formDescription: {
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fontSize: 14,
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opacity: 0.7,
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lineHeight: 20,
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},
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// 错误总结样式
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errorSummary: {
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backgroundColor: 'rgba(255, 59, 48, 0.1)',
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borderRadius: 12,
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padding: 16,
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marginTop: 20,
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borderLeftWidth: 4,
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borderLeftColor: '#FF3B30',
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},
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errorSummaryText: {
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fontSize: 16,
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fontWeight: '600',
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color: '#FF3B30',
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marginBottom: 8,
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},
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errorItem: {
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fontSize: 14,
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color: '#FF3B30',
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marginBottom: 4,
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opacity: 0.9,
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},
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// 成功状态样式
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successSummary: {
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backgroundColor: 'rgba(52, 199, 89, 0.1)',
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borderRadius: 12,
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padding: 16,
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marginTop: 20,
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borderLeftWidth: 4,
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borderLeftColor: '#34C759',
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},
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successText: {
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fontSize: 16,
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fontWeight: '600',
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color: '#34C759',
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},
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});
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