领地记录物品名多源翻译：有道+简心+Google三级降级
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package Sdf1_login;
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import java.net.URI;
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import java.net.URLEncoder;
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import java.net.http.HttpClient;
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import java.net.http.HttpRequest;
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import java.net.http.HttpResponse;
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import java.nio.charset.StandardCharsets;
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import java.time.Duration;
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import java.util.*;
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import java.util.concurrent.*;
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/**
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* 多源在线翻译工具 —— 将MC英文材料名翻译为中文。
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* 优先使用国内接口(有道/简心)，失败后降级到Google。
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* 结果缓存避免重复请求。
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*/
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public class MaterialTranslator {
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private static final ConcurrentHashMap<String, String> cache = new ConcurrentHashMap<>();
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private static final ExecutorService executor = Executors.newFixedThreadPool(2);
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private static final HttpClient http = HttpClient.newBuilder()
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.connectTimeout(Duration.ofSeconds(3))
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.build();
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// 翻译源优先级：国内接口优先
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private static final List<TranslationSource> SOURCES = Arrays.asList(
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TranslationSource.YOUDAO,
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TranslationSource.JIANXIN,
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TranslationSource.GOOGLE
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);
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/**
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* 翻译源枚举
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*/
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private enum TranslationSource {
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YOUDAO("有道翻译"),
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JIANXIN("简心翻译"),
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GOOGLE("Google翻译");
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final String name;
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TranslationSource(String name) {
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this.name = name;
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}
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}
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/**
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* 将材料名（如 GRASS_BLOCK）转为可读英文（Grass Block）
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*/
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public static String toReadable(String materialName) {
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if (materialName == null || materialName.isEmpty()) return "";
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return Arrays.stream(materialName.split("_"))
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.map(w -> w.substring(0, 1).toUpperCase() + w.substring(1).toLowerCase())
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.reduce((a, b) -> a + " " + b)
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.orElse(materialName);
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}
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/**
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* 同步翻译单个材料名（有缓存则直接返回）
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*/
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public static String translate(String materialName) {
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if (materialName == null || materialName.isEmpty()) return "";
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String key = materialName.toUpperCase();
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if (cache.containsKey(key)) return cache.get(key);
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String readable = toReadable(key);
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String zh = translateWithFallback(readable);
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if (zh != null && !zh.isEmpty()) {
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cache.put(key, zh);
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return zh;
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}
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return readable; // fallback 可读英文
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}
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/**
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* 批量异步翻译，返回 future map
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*/
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public static CompletableFuture<Map<String, String>> translateBatch(Collection<String> materials) {
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Set<String> unique = new LinkedHashSet<>();
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for (String m : materials) {
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if (m != null && !m.isEmpty() && !cache.containsKey(m.toUpperCase())) {
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unique.add(m);
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}
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}
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if (unique.isEmpty()) {
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Map<String, String> result = new HashMap<>();
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for (String m : materials) {
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if (m != null) result.put(m, cache.getOrDefault(m.toUpperCase(), toReadable(m)));
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}
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return CompletableFuture.completedFuture(result);
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}
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List<CompletableFuture<Void>> futures = new ArrayList<>();
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for (String m : unique) {
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futures.add(CompletableFuture.runAsync(() -> translate(m), executor));
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}
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return CompletableFuture.allOf(futures.toArray(new CompletableFuture[0]))
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.thenApply(v -> {
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Map<String, String> result = new HashMap<>();
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for (String m : materials) {
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if (m != null) {
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result.put(m, cache.getOrDefault(m.toUpperCase(), toReadable(m)));
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}
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}
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return result;
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});
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}
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/**
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* 多源翻译，按优先级尝试，失败自动降级
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*/
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private static String translateWithFallback(String text) {
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for (TranslationSource source : SOURCES) {
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try {
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String result = null;
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switch (source) {
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case YOUDAO:
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result = translateViaYoudao(text);
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break;
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case JIANXIN:
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result = translateViaJianxin(text);
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break;
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case GOOGLE:
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result = translateViaGoogle(text);
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break;
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}
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if (result != null && !result.isEmpty()) {
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return result;
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}
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} catch (Exception e) {
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// 该源失败，尝试下一个
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}
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}
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return null;
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}
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// ==================== 翻译源实现 ====================
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/**
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* 有道翻译API
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* URL: https://v.api.aa1.cn/api/api-fanyi-yd/index.php
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* 参数: msg=翻译内容, type=1(中→英) / 2(英→中)
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*/
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private static String translateViaYoudao(String text) {
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try {
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String encoded = URLEncoder.encode(text, StandardCharsets.UTF_8);
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// type=2 表示英→中
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String url = "https://v.api.aa1.cn/api/api-fanyi-yd/index.php?msg=" + encoded + "&type=2";
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HttpRequest req = HttpRequest.newBuilder()
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.uri(URI.create(url))
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.header("User-Agent", "Mozilla/5.0")
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.timeout(Duration.ofSeconds(3))
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.GET()
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.build();
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HttpResponse<String> resp = http.send(req, HttpResponse.BodyHandlers.ofString());
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if (resp.statusCode() == 200) {
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// 返回: {"type":"中英互译","desc":"中文翻译英文","text":"翻译结果"}
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return parseJsonField(resp.body(), "text");
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}
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} catch (Exception e) {
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// 静默降级
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}
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return null;
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}
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/**
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* 简心翻译API
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* URL: https://api.qvqa.cn/api/fanyi
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* 参数: text=翻译内容, source=en, target=zh
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*/
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private static String translateViaJianxin(String text) {
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try {
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String encoded = URLEncoder.encode(text, StandardCharsets.UTF_8);
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String url = "https://api.qvqa.cn/api/fanyi?text=" + encoded + "&source=en&target=zh";
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HttpRequest req = HttpRequest.newBuilder()
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.uri(URI.create(url))
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.header("User-Agent", "Mozilla/5.0")
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.timeout(Duration.ofSeconds(3))
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.GET()
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.build();
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HttpResponse<String> resp = http.send(req, HttpResponse.BodyHandlers.ofString());
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if (resp.statusCode() == 200) {
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// 返回: {"code":200,"message":"OK","data":{"sourceText":"...","targetText":"翻译结果",...}}
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return parseNestedJsonField(resp.body(), "data", "targetText");
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}
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} catch (Exception e) {
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// 静默降级
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}
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return null;
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}
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/**
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* Google Translate 免费接口
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*/
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private static String translateViaGoogle(String text) {
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try {
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String encoded = URLEncoder.encode(text, StandardCharsets.UTF_8);
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String url = "https://clients5.google.com/translate_a/single"
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+ "?client=gtx&sl=en&tl=zh-CN&dt=t&q=" + encoded;
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HttpRequest req = HttpRequest.newBuilder()
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.uri(URI.create(url))
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.header("User-Agent", "Mozilla/5.0")
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.timeout(Duration.ofSeconds(3))
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.GET()
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.build();
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HttpResponse<String> resp = http.send(req, HttpResponse.BodyHandlers.ofString());
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if (resp.statusCode() == 200) {
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// 响应格式: [["翻译结果","原文",...],...]
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String body = resp.body();
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int firstQuote = body.indexOf("[[\"");
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if (firstQuote >= 0) {
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int endQuote = body.indexOf("\"", firstQuote + 3);
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if (endQuote > firstQuote) {
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return body.substring(firstQuote + 3, endQuote);
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}
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}
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}
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} catch (Exception e) {
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// 静默降级
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}
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return null;
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}
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// ==================== JSON解析工具 ====================
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/**
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* 简单JSON字段解析（单层）
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* 从 {"key":"value"} 中提取 value
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*/
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private static String parseJsonField(String json, String field) {
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try {
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String pattern = "\"" + field + "\"";
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int idx = json.indexOf(pattern);
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if (idx < 0) return null;
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// 找到冒号后的引号
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int colon = json.indexOf(':', idx + pattern.length());
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if (colon < 0) return null;
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int quoteStart = json.indexOf('"', colon + 1);
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if (quoteStart < 0) return null;
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int quoteEnd = json.indexOf('"', quoteStart + 1);
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if (quoteEnd < 0) return null;
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return json.substring(quoteStart + 1, quoteEnd);
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} catch (Exception e) {
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return null;
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}
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}
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/**
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* 嵌套JSON字段解析
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* 从 {"outer":{"inner":"value"}} 中提取 value
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*/
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private static String parseNestedJsonField(String json, String outerField, String innerField) {
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try {
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// 找到外层对象
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String outerPattern = "\"" + outerField + "\"";
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int outerIdx = json.indexOf(outerPattern);
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if (outerIdx < 0) return null;
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// 找到外层对象的开始大括号
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int braceStart = json.indexOf('{', outerIdx);
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if (braceStart < 0) return null;
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// 从外层对象内部解析内层字段
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int depth = 1;
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int i = braceStart + 1;
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while (i < json.length() && depth > 0) {
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char c = json.charAt(i);
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if (c == '{') depth++;
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else if (c == '}') depth--;
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i++;
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}
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String innerJson = json.substring(braceStart, i);
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return parseJsonField(innerJson, innerField);
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} catch (Exception e) {
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return null;
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}
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}
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/**
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* 清理缓存（可选）
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*/
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public static void clearCache() {
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cache.clear();
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}
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/**
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* 获取当前使用的翻译源信息（调试用）
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*/
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public static String getSourceInfo() {
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StringBuilder sb = new StringBuilder("翻译源优先级: ");
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for (int i = 0; i < SOURCES.size(); i++) {
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TranslationSource src = SOURCES.get(i);
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sb.append(i + 1).append(".").append(src.name);
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if (i < SOURCES.size() - 1) sb.append(" > ");
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}
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return sb.toString();
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}
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}
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