1

mv2_simple_crx/src/actions/amazon.js

@@ -32,6 +32,58 @@ export function injected_amazon_homepage_search(params) {
   return { ok: false, error: 'no_submit' };
 }
 
+/** 语言设置页：在 customer-preferences/edit 页面选择语言并点击 Save Changes
+ *  入参使用短码：EN / ES / AR / DE / HE / KO / PT / ZH_CN / ZH_TW
+ */
+export function injected_amazon_switch_language(params) {
+  const mapping = {
+    EN: 'en_US',
+    ES: 'es_US',
+    AR: 'ar_AE',
+    DE: 'de_DE',
+    HE: 'he_IL',
+    KO: 'ko_KR',
+    PT: 'pt_BR',
+    ZH_CN: 'zh_CN',
+    ZH_TW: 'zh_TW',
+  };
+  const raw = params && params.lang != null ? String(params.lang).trim().toUpperCase() : 'ZH_CN';
+  const code = Object.prototype.hasOwnProperty.call(mapping, raw) ? raw : 'ZH_CN';
+  const switch_lang = mapping[code];
+  const href_sel = `a[href="#switch-lang=${switch_lang}"]`;
+  const deadline = Date.now() + 6000;
+  let link = null;
+  while (Date.now() < deadline) {
+    link = document.querySelector(href_sel);
+    if (link) {
+      const r = link.getBoundingClientRect();
+      if (r.width > 0 && r.height > 0) break;
+    }
+    const t0 = performance.now();
+    while (performance.now() - t0 < 40) {}
+  }
+  if (!link) return { ok: false, error: 'lang_option_timeout', lang: code };
+  link.click();
+
+  // 尝试点击「保存修改」按钮
+  const save_deadline = Date.now() + 6000;
+  let save = null;
+  while (Date.now() < save_deadline) {
+    save =
+      document.querySelector('input[type="submit"][value*="Save"]') ||
+      document.querySelector('input[type="submit"][aria-labelledby*="icp-save-button"]') ||
+      document.querySelector('span.icp-save-button input[type="submit"]');
+    if (save) break;
+    const t1 = performance.now();
+    while (performance.now() - t1 < 40) {}
+  }
+  if (save) {
+    save.click();
+  }
+
+  return { ok: true, lang: code };
+}
+
 export function injected_amazon_search_list(params) {
   const start_url = params && params.url ? String(params.url) : location.href;
   const category_keyword = params && params.category_keyword ? String(params.category_keyword).trim() : '';
@@ -499,6 +551,80 @@ amazon_search_list.params = {
   limit: { type: 'number', desc: '抓取数量上限（默认 100，最大 200）', default: 100 },
 };
 
+const AMAZON_HOME_FOR_LANG =
+  'https://www.amazon.com/customer-preferences/edit?ie=UTF8&preferencesReturnUrl=%2F&ref_=topnav_lang_ais&language=zh_CN&currency=HKD';
+
+export function amazon_set_language(data, sendResponse) {
+  const mapping = {
+    EN: 'en_US',
+    ES: 'es_US',
+    AR: 'ar_AE',
+    DE: 'de_DE',
+    HE: 'he_IL',
+    KO: 'ko_KR',
+    PT: 'pt_BR',
+    ZH_CN: 'zh_CN',
+    ZH_TW: 'zh_TW',
+  };
+  const raw_lang = data && data.lang != null ? String(data.lang).trim().toUpperCase() : 'ZH_CN';
+  const code = Object.prototype.hasOwnProperty.call(mapping, raw_lang) ? raw_lang : 'ZH_CN';
+  const send_action = (action, payload) => {
+    if (typeof sendResponse === 'function') {
+      sendResponse({ action, data: payload });
+      sendResponse.log && sendResponse.log(payload);
+    }
+  };
+  return new Promise(async (resolve, reject) => {
+    const tab_task = create_tab_task(AMAZON_HOME_FOR_LANG)
+      .set_latest(false)
+      .set_bounds({ top: 20, left: 20, width: 1280, height: 900 });
+    try {
+      const tab = await tab_task.open_async();
+      await wait_tab_complete(tab.id);
+      const raw = await tab.execute_script(injected_amazon_switch_language, [{ lang: code }], 'document_idle');
+      const inj = Array.isArray(raw) ? raw[0] : raw;
+      if (!inj || !inj.ok) {
+        throw new Error((inj && inj.error) || 'switch_language_failed');
+      }
+      await wait_tab_complete(tab.id);
+      const final_url = await new Promise((res, rej) => {
+        chrome.tabs.get(tab.id, (t) => {
+          if (chrome.runtime.lastError) return rej(new Error(chrome.runtime.lastError.message));
+          res(t && t.url ? t.url : '');
+        });
+      });
+      const result = {
+        code: 0,
+        status: true,
+        message: 'ok',
+        data: { tab_id: tab.id, lang: inj.lang, url: final_url },
+      };
+      send_action('amazon_set_language', result);
+      resolve({ tab_id: tab.id, lang: inj.lang, url: final_url });
+      tab.remove(0);
+    } catch (err) {
+      send_action('amazon_set_language', {
+        code: 30,
+        status: false,
+        message: (err && err.message) || String(err),
+        data: null,
+        documentURI: AMAZON_HOME_FOR_LANG,
+      });
+      reject(err);
+    }
+  });
+}
+
+amazon_set_language.desc =
+  'Amazon 顶栏语言：打开美站首页，悬停语言区后点击列表项（#switch-lang），切换购物界面语言';
+amazon_set_language.params = {
+  lang: {
+    type: 'string',
+    desc: 'EN / ES / AR / DE / HE / KO / PT / ZH_CN(默认) / ZH_TW',
+    default: 'ZH_CN',
+  },
+};
+
 // ---------- 后台：商品详情 / 评论 ----------
 
 function normalize_product_url(u) {

mv2_simple_crx/src/background/index.js

@@ -1,8 +1,14 @@
 
-import { amazon_search_list, amazon_product_detail, amazon_product_reviews } from '../actions/amazon.js';
+import {
+  amazon_search_list,
+  amazon_set_language,
+  amazon_product_detail,
+  amazon_product_reviews,
+} from '../actions/amazon.js';
 
 const actions = {
   amazon_search_list,
+  amazon_set_language,
   amazon_product_detail,
   amazon_product_reviews,
 };

mv2_simple_crx/src/ui/index.html

@@ -25,6 +25,7 @@
             <option value="zhipu_query_position_page">zhipu_query_position_page</option>
             <option value="amazon_top_list">amazon_top_list</option>
             <option value="amazon_search_list">amazon_search_list</option>
+            <option value="amazon_set_language">amazon_set_language</option>
             <option value="amazon_product_detail">amazon_product_detail</option>
             <option value="amazon_product_reviews">amazon_product_reviews</option>
           </select>