feat: 更新鸿蒙应用配置与功能优化
- 添加鸿蒙分层图标配置和生成脚本 - 修复数据导出JSON解析问题 - 优化关于页面和团队信息展示 - 更新应用版本至1.4.1 - 清理代码警告和冗余文件 - 添加字体和二维码测试脚本 - 完善鸿蒙适配文档和指南
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343
scripts/test_pdf_garbled_chars.dart
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343
scripts/test_pdf_garbled_chars.dart
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// 2026-04-25 | test_pdf_garbled_chars.dart | PDF乱码字符诊断脚本
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// 2026-04-25 | 创建: 验证 _cleanPdfText 对各种Unicode字符的过滤效果
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void main() {
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print('╔══════════════════════════════════════════════════════════════╗');
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print('║ PDF 乱码字符诊断工具 v1.0 ║');
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print('║ 测试 _cleanPdfText 过滤效果 ║');
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print('╚══════════════════════════════════════════════════════════════╝\n');
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// ========== 测试用例 ==========
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final testCases = <_TestCase>[
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// 基础测试 - 正常文本应该保留
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_TestCase(name: '✅ 正常中文', input: '这道菜很好吃，营养丰富', expected: '保留'),
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_TestCase(name: '✅ 中英文混合', input: 'Hello世界，美味佳肴123', expected: '保留'),
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_TestCase(name: '✅ 纯英文', input: 'Delicious food recipe', expected: '保留'),
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// 乱码测试 - 应该被过滤
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_TestCase(name: '❌ 菱形方块 (U+25FF)', input: '▯▯▯▯▯▯▯▯▯▯▯▯', expected: '过滤'),
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_TestCase(name: '❌ 交叉形状 (U+2716)', input: '✖✖✖✖✖✖✖✖✖', expected: '过滤'),
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_TestCase(
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name: '❌ 私用区字符 (U+E000-U+F8FF)',
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input: '\uE000\uE001\uE002\uE003\uE004\uE005',
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expected: '过滤',
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),
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_TestCase(
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name: '❌ 变体选择器 (U+FE00-U+FE0F)',
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input: 'A\uFE00B\uFE01C\uFE02',
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expected: '过滤或部分保留',
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),
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_TestCase(
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name: '❌ 控制字符 (U+00-U+1F)',
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input: '\x00\x01\x02\x03\x04\x05',
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expected: '过滤',
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),
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_TestCase(name: '❌ Unicode替换字符 (U+FFFD)', input: '<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>', expected: '过滤'),
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// 边界情况
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_TestCase(name: '⚠️ 混合内容 (正常+乱码)', input: '很好吃▯▯▯营养▯▯丰富', expected: '部分保留'),
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_TestCase(
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name: '⚠️ 高比例乱码 (>40%)',
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input: '好吃▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯▯',
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expected: '过滤（>40%阈值）',
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),
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_TestCase(
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name: '⚠️ 低比例乱码 (<40%)',
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input: '这道菜真的很好吃，营养丰富味道鲜美▯▯',
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expected: '保留（<40%阈值）',
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),
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// 特殊Unicode区块
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_TestCase(
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name: '🔣 制表符/边框 (U+2500-U+257F)',
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input: '┌┐└┘├┤┬┴┼─│',
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expected: '过滤',
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),
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_TestCase(
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name: '🔣 方块元素 (U+25A0-U+25FF)',
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input: '■□▢▣▤▥▦▧▨▩',
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expected: '过滤',
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),
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_TestCase(
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name: '🔣 几何形状 (U+25A0-U+25FF)',
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input: '▲▼◆◇○●◐◑◒◓',
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expected: '过滤',
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),
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_TestCase(
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name: '🔣 箭头符号 (U+2190-U+21FF)',
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input: '→←↑↓↔⇒⇐⇑⇓',
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expected: '过滤',
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),
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_TestCase(
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name: '🔣 数学运算符 (U+2200-U+22FF)',
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input: '±×÷≈≠≤≥∞√',
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expected: '过滤',
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),
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_TestCase(
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name: '🔣 装饰符号 (U+2700-U+27BF)',
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input: '✓✔✗✘★☆♠♣♥♦',
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expected: '过滤',
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),
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_TestCase(
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name: '🔣 Dingbats (U+2700-U+27BF)',
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input: '❤❥❦❧❝❞❟❰❱',
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expected: '过滤',
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),
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// 实际场景模拟
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_TestCase(
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name: '🎯 场景1: displayIntro含PUA',
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input: '美味家常菜\uE000\uE001\uE002\uE003',
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expected: '保留"美味家常菜"',
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),
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_TestCase(
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name: '🎯 场景2: 全是乱码',
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input: '\uE000\uE001\uE002\uE003\uE004\uE005\uE006\uE007\uE008\uE009',
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expected: '空字符串',
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),
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_TestCase(
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name: '🎯 场景3: 含控制字符',
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input: '好吃的菜\x01\x02\x03\x04\x05',
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expected: '保留"好吃的菜"',
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),
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_TestCase(
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name: '🎯 场景4: CJK扩展区汉字',
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input: '\u3400\u3401\u3402\u4E00\u4E01', // CJK扩展A + 统一汉字
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expected: '保留（CJK扩展区）',
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),
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];
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// ========== 执行测试 ==========
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int passed = 0;
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int failed = 0;
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for (var i = 0; i < testCases.length; i++) {
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final tc = testCases[i];
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print('━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━');
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print("测试 ${i + 1}/${testCases.length}: ${tc.name}");
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print('输入: "${tc.input}"');
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// 打印每个字符的详细信息
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print('字符分析:');
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for (var j = 0; j < tc.input.length; j++) {
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final cp = tc.input.codeUnitAt(j);
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final char = tc.input[j];
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final cpHex = 'U+${cp.toRadixString(16).toUpperCase().padLeft(4, '0')}';
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String category;
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if (_isCjk(cp)) {
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category = 'CJK汉字';
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} else if (_isAsciiLetter(cp)) {
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category = 'ASCII字母';
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} else if (_isDigit(cp)) {
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category = '数字';
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} else if (_isSpace(cp)) {
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category = '空白';
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} else if (_isPunctuation(cp)) {
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category = '标点';
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} else if (_shouldFilterChar(cp, char)) {
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category = '❌ 将被过滤';
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} else {
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category = '⚠️ 未分类';
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}
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print(' [$j] "$char" $cpHex → $category');
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}
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// 执行清理
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final result = _cleanPdfText(tc.input);
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print('输出: "${result ?? "null"}"');
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print('长度: ${result?.length ?? 0}');
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// 判断是否通过
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bool testPassed = false;
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if (tc.expected.contains('保留') && result != null && result.isNotEmpty) {
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testPassed = true;
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} else if (tc.expected.contains('过滤') &&
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(result == null || result.isEmpty)) {
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testPassed = true;
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} else if (tc.expected.contains('空字符串') &&
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(result == null || result.isEmpty)) {
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testPassed = true;
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}
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if (testPassed) {
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print('结果: ✅ 通过 (预期: ${tc.expected})');
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passed++;
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} else {
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print('结果: ❌ 失败 (预期: ${tc.expected})');
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failed++;
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}
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print('');
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}
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// ========== 汇总 ==========
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print('╔══════════════════════════════════════════════════════════════╗');
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print('║ 测试汇总 ║');
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print('╠══════════════════════════════════════════════════════════════╣');
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print(
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'║ 总测试数: ${testCases.length.toString().padLeft(3)} ║',
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);
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print(
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'║ ✅ 通过: ${passed.toString().padLeft(3)} ║',
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);
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print(
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'║ ❌ 失败: ${failed.toString().padLeft(3)} ║',
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);
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print(
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'║ 通过率: ${(passed / testCases.length * 100).toStringAsFixed(1).padLeft(5)}% ║',
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);
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print('╚══════════════════════════════════════════════════════════════╝');
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if (failed > 0) {
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print('\n⚠️ 有 $failed 个测试失败，请检查过滤逻辑！');
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} else {
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print('\n🎉 所有测试通过！_cleanPdfText 工作正常。');
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}
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}
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// ========== 核心方法 (从 recipe_export_button.dart 复制) ==========
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String _cleanPdfText(String text) {
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if (text.isEmpty) return '';
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var cleaned = StringBuffer();
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for (var i = 0; i < text.length; i++) {
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final codeUnit = text.codeUnitAt(i);
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final char = text[i];
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if (_shouldFilterChar(codeUnit, char)) continue;
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cleaned.write(char);
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}
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var result = cleaned.toString().trim();
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if (result.isEmpty) return '';
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if (_isGarbledText(result)) return '';
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return result;
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}
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bool _shouldFilterChar(int codeUnit, String char) {
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if (codeUnit < 0x20 &&
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codeUnit != 0x09 &&
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codeUnit != 0x0A &&
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codeUnit != 0x0D) {
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return true;
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}
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if (codeUnit == 0x7F) return true;
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if (codeUnit >= 0x80 && codeUnit <= 0x9F) return true;
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if ((codeUnit & 0xFFFE) == 0xFFFE || (codeUnit & 0xFFFE) == 0xFFFF)
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return true;
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if (codeUnit == 0xFFFD) return true;
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if (codeUnit >= 0xFDD0 && codeUnit <= 0xFDEF) return true;
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if (codeUnit >= 0xE000 && codeUnit <= 0xF8FF) return true;
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if (codeUnit >= 0xFFF0 && codeUnit <= 0xFFFB) return true;
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if (codeUnit >= 0xFE00 && codeUnit <= 0xFE0F) return true;
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if (_isSpecialSymbol(char)) return true;
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return false;
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}
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bool _isSpecialSymbol(String char) {
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const rawSymbols =
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'▯□■◯○●◇◆▪▫◻◼◽◾▱░▒▓█▄▌▐▀▸▂▁▃▅▆▇▉▊▋▎▏▕▖▗▘▙▚▛▜▝▞▟╭╮╯╰╱╲╳╴╵╶╷╸╹╺╻╼╽╾╿┌┐└┘├┤┬┴┼─│┈┉┊┋━┃┅┆┇┍┎┏┐┑▒┓└┕┖┗┘┙┚┛├┝┞┟┠┡┢┣┤┥┦┧┨┩┪┫┬┭┮┯┰┱┲┳┴┵┶┷┸┹┺┻┼┽┾┿╀╁╂╃╄╅╆╇╈╉╊╋☐☑☒✓✔✗✘→←↑↓↔⇒⇐⇑⇓⇔⇕⇖⇗⇘⇙♠♣♥♦★☆▲▼◐◑◒◓◔◕◖◗❤❥❦❧❝❞❟❰❱❲❳❴❵❶❷❸❹❺❻❼❽❾❿➔➘➙➚➛➜➝➞➟➠➡➢➣➤➥➦➧➨➩➪➫➬➭➮➯➱➲➳➴➵➶➷➸➹➺➻➼➽➾➿⟦⟧⟨⟩⟪⟫⟬⟭⟮⟯⬅⬆⬇⬈⬉⬊⬋⬌⬍⬎⬏⬐⬑⬒⬓⬘⬙⬚⬛⬜⬝⬞⬟⬠⬡⭢⭣⭤⭥⭦⭧⭨⭩⭪⭫⭬⭭⭮⭯⭐⭕⭘⭙⭚⭛⭜⭝⭞⭟⭠⭡⭢⭣⭤⭥';
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return rawSymbols.contains(char);
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}
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bool _isGarbledText(String text) {
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if (text.length < 2) return false;
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int specialCount = 0;
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for (int i = 0; i < text.length; i++) {
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final cp = text.codeUnitAt(i);
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final isCjk =
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(cp >= 0x4E00 && cp <= 0x9FFF) ||
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(cp >= 0x3400 && cp <= 0x4DBF) ||
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(cp >= 0x20000 && cp <= 0x2A6DF) ||
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(cp >= 0x2A700 && cp <= 0x2B73F) ||
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(cp >= 0x2B740 && cp <= 0x2B81F) ||
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(cp >= 0x2B820 && cp <= 0x2CEAF) ||
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(cp >= 0xF900 && cp <= 0xFAFF) ||
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(cp >= 0x2F800 && cp <= 0x2FA1F);
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final isAsciiLetter =
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(cp >= 0x41 && cp <= 0x5A) || (cp >= 0x61 && cp <= 0x7A);
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final isDigit = cp >= 0x30 && cp <= 0x39;
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final isSpace = cp == 0x20 || cp == 0x09 || cp == 0x0A || cp == 0x0D;
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final isPunctuation =
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(cp >= 0x2000 && cp <= 0x206F) ||
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(cp >= 0x3000 && cp <= 0x303F) ||
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(cp >= 0xFF00 && cp <= 0xFFEF) ||
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cp == 0x2E ||
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cp == 0x2C ||
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cp == 0x3B ||
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cp == 0x3A ||
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cp == 0x21 ||
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cp == 0x3F ||
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cp == 0x28 ||
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cp == 0x29 ||
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cp == 0x5B ||
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cp == 0x5D ||
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cp == 0x7B ||
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cp == 0x7D ||
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cp == 0x201C ||
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cp == 0x201D ||
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cp == 0x2018 ||
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cp == 0x2019;
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if (!isCjk && !isAsciiLetter && !isDigit && !isSpace && !isPunctuation) {
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specialCount++;
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}
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}
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final ratio = specialCount / text.length;
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return ratio > 0.4;
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}
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// ========== 辅助判断方法 ==========
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bool _isCjk(int cp) {
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return (cp >= 0x4E00 && cp <= 0x9FFF) ||
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(cp >= 0x3400 && cp <= 0x4DBF) ||
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(cp >= 0x20000 && cp <= 0x2A6DF) ||
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(cp >= 0x2A700 && cp <= 0x2B73F) ||
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(cp >= 0x2B740 && cp <= 0x2B81F) ||
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(cp >= 0x2B820 && cp <= 0x2CEAF) ||
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(cp >= 0xF900 && cp <= 0xFAFF) ||
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(cp >= 0x2F800 && cp <= 0x2FA1F);
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}
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bool _isAsciiLetter(int cp) {
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return (cp >= 0x41 && cp <= 0x5A) || (cp >= 0x61 && cp <= 0x7A);
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}
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bool _isDigit(int cp) {
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return cp >= 0x30 && cp <= 0x39;
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}
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bool _isSpace(int cp) {
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return cp == 0x20 || cp == 0x09 || cp == 0x0A || cp == 0x0D;
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}
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bool _isPunctuation(int cp) {
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return (cp >= 0x2000 && cp <= 0x206F) ||
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(cp >= 0x3000 && cp <= 0x303F) ||
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(cp >= 0xFF00 && cp <= 0xFFEF) ||
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cp == 0x2E ||
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cp == 0x2C ||
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cp == 0x3B ||
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cp == 0x3A ||
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cp == 0x21 ||
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cp == 0x3F ||
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cp == 0x28 ||
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cp == 0x29 ||
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cp == 0x5B ||
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cp == 0x5D ||
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cp == 0x7B ||
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cp == 0x7D ||
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cp == 0x201C ||
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cp == 0x201D ||
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cp == 0x2018 ||
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cp == 0x2019;
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}
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// ========== 测试用例数据类 ==========
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class _TestCase {
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final String name;
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final String input;
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final String expected;
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_TestCase({required this.name, required this.input, required this.expected});
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}
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Block a user