302 lines
8.1 KiB
JavaScript
302 lines
8.1 KiB
JavaScript
/*!
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* invoice_hook.js · v1.0.0
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* 发票申请 Hook
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* - 使用 window.InvoiceApply 统一暴露接口
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* - 支持重复注入，不重复自动执行
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* - CEF 可通过 window.InvoiceApply.__installed 判断脚本是否已注入
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* - 执行结果保存在 window.__invoiceApplyResult
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*/
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; (function (global) {
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'use strict';
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// 已注入时不重复创建对象或重复自动执行
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if (global.InvoiceApply && global.InvoiceApply.__installed) {
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return;
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}
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var VERSION = '1.0.0';
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var state = {
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installed: false,
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running: false,
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result: null,
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error: null,
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lastRunAt: null
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};
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function sleep(ms) {
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return new Promise(function (resolve) {
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global.setTimeout(resolve, ms);
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});
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}
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// 支持 XPath 或 CSS 选择器
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function findElement(selector, isXPath) {
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if (isXPath === undefined) isXPath = true;
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try {
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if (isXPath) {
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return global.document.evaluate(
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selector,
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global.document,
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null,
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global.XPathResult.FIRST_ORDERED_NODE_TYPE,
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null
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).singleNodeValue;
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}
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return global.document.querySelector(selector);
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} catch (e) {
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return null;
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}
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}
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function changeReactInputValue(inputDom, newText) {
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if (!inputDom) return false;
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var lastValue = inputDom.value;
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var valueSetter = null;
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// 优先使用原生 input/textarea value setter，便于 React 感知值变化
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try {
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var proto = inputDom.tagName === 'TEXTAREA'
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? global.HTMLTextAreaElement.prototype
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: global.HTMLInputElement.prototype;
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valueSetter = Object.getOwnPropertyDescriptor(proto, 'value');
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} catch (e) {
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// ignore
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}
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try {
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if (valueSetter && valueSetter.set) {
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valueSetter.set.call(inputDom, newText);
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} else {
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inputDom.value = newText;
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}
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} catch (e) {
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inputDom.value = newText;
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}
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try {
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var tracker = inputDom._valueTracker;
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if (tracker) {
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tracker.setValue(lastValue);
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}
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} catch (e) {
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// ignore
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}
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var event;
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try {
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event = new global.Event('input', { bubbles: true });
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} catch (e) {
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event = global.document.createEvent('Event');
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event.initEvent('input', true, false);
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}
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event.simulated = true;
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inputDom.dispatchEvent(event);
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return true;
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}
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async function fillInvoiceAndApply(data) {
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data = data || {};
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var title = data.title === undefined
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? '某某科技有限公司'
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: data.title;
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var taxNumber = data.taxNumber === undefined
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? '91110000123456789X'
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: data.taxNumber;
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console.log('[InvoiceApply] 开始填充发票信息...');
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// 1. 点击“企业”按钮
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var invoiceType = findElement('//*[contains(text(), "企业")]');
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if (!invoiceType) {
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console.warn('[InvoiceApply] 找不到“企业”按钮');
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return false;
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}
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invoiceType.click();
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console.log('[InvoiceApply] 已点击“企业”按钮');
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await sleep(500);
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// 2. 填充发票抬头
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var invoiceTitle =
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findElement('//label[contains(text(), "发票抬头")]/following-sibling::textarea[1]') ||
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findElement('//*[contains(text(), "发票抬头")]/following-sibling::textarea[1]');
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if (invoiceTitle) {
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changeReactInputValue(invoiceTitle, title);
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console.log('[InvoiceApply] 发票抬头已填充');
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} else {
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console.warn('[InvoiceApply] 未找到发票抬头控件');
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}
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// 3. 填充税号
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var taxNumberInput =
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findElement('//label[contains(text(), "税号")]/following-sibling::input[1]') ||
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findElement('//*[contains(text(), "税号")]/following-sibling::input[1]');
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if (taxNumberInput) {
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changeReactInputValue(taxNumberInput, taxNumber);
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console.log('[InvoiceApply] 税号已填充');
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} else {
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console.warn('[InvoiceApply] 未找到税号控件');
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}
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await sleep(300);
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// 4. 点击“申请发票”
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var applyBtn = findElement('//*[contains(text(), "申请发票")]');
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if (!applyBtn) {
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console.error('[InvoiceApply] 未找到“申请发票”按钮');
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return false;
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}
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if (applyBtn.scrollIntoView) {
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applyBtn.scrollIntoView({
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behavior: 'smooth',
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block: 'center'
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});
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}
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await sleep(300);
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applyBtn.click();
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console.log('[InvoiceApply] 已点击“申请发票”按钮');
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// 5. 等待弹窗或状态出现
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await sleep(300);
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// 6. 判断申请状态
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var alreadyApplied = findElement(
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'//*[contains(text(), "您已经提交过发票申请了")]'
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);
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if (alreadyApplied) {
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console.log('[InvoiceApply] 已经申请过，无需重复操作');
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return true;
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}
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var successElement = findElement(
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'//*[text()="确认发票信息无误后再提交"]'
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);
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if (!successElement) {
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console.warn('[InvoiceApply] 未检测到确认发票信息的提示');
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return false;
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}
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var confirmBtn = findElement('//*[text()="确认"]');
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if (confirmBtn) {
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console.log('[InvoiceApply] 找到“确认”按钮');
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await sleep(200);
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confirmBtn.click();
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console.log(
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'[InvoiceApply] 已识别确认步骤，未自动提交最终确认'
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);
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return true;
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}
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console.warn(
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'[InvoiceApply] 未找到“已经申请过”提示或“确认”按钮'
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);
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return false;
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}
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function run(data) {
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if (state.running) {
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return Promise.reject(
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new Error('发票申请脚本正在执行，请勿重复调用')
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);
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}
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state.running = true;
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state.result = null;
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state.error = null;
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state.lastRunAt = Date.now();
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global.__invoiceApplyResult = null;
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return fillInvoiceAndApply(data)
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.then(function (result) {
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state.result = !!result;
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global.__invoiceApplyResult = state.result;
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return state.result;
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})
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.catch(function (ex) {
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state.error = String((ex && ex.message) || ex);
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state.result = false;
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global.__invoiceApplyResult = false;
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console.error('[InvoiceApply] 执行异常:', ex);
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return false;
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})
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.then(
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function (result) {
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state.running = false;
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return result;
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},
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function (ex) {
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state.running = false;
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throw ex;
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}
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);
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}
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var api = {
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version: VERSION,
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run: run,
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findElement: findElement,
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changeReactInputValue: changeReactInputValue,
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get state() {
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return state;
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},
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get __installed() {
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return state.installed;
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}
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};
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function install() {
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if (state.installed) {
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return api;
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}
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state.installed = true;
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console.log('[InvoiceApply] v' + VERSION + ' 已注入');
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// 保留原 invoice.js 的行为：脚本注入后自动执行一次
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run({
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title: '{公司}',
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taxNumber: '{税号}'
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});
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return api;
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}
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api.install = install;
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global.InvoiceApply = api;
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install();
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})(typeof window !== 'undefined' ? window : this); |