
- 添加了处理 XML 请求和响应的工具函数 - 实现了 GET 和 POST 请求的 XML 解析和返回 - 更新了 API 页面,增加了 XML POST 请求和解析的示例 - 优化了 XML 生成和转义逻辑,防止二次转义
121 lines
4.4 KiB
TypeScript
121 lines
4.4 KiB
TypeScript
import { defineFakeRoute } from 'vite-plugin-fake-server/client';
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// 简单的实体转义,避免在 XML 中出现非法字符;先替换 & 再替换其他符号,防止二次转义
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function esc(s: string) {
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return s
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.replaceAll('&', '&')
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.replaceAll('<', '<')
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.replaceAll('>', '>')
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.replaceAll('"', '"')
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.replaceAll("'", ''');
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}
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// 从原始 XML 文本中提取某个标签的文本内容(弱解析,仅用于演示)
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function pickTag(xml: string, tag: string) {
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// 说明:使用非贪婪匹配并允许标签上带属性;N.B. 未处理命名空间与嵌套同名标签的复杂情形
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const re = new RegExp(`<${tag}(?:\n|\r|\s|>|/)[^>]*>([\s\S]*?)<\/${tag}>`, 'i');
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const m = xml.match(re);
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return m?.[1]?.trim() ?? '';
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}
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// 通过 rawResponse 返回 XML 文本,便于在浏览器端演示 XML 解析
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export default defineFakeRoute([
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{
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method: 'GET',
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url: '/xml/sample',
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rawResponse(req, res) {
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// 通过查询参数自定义返回的 XML 字段
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// 支持的参数:to, from, heading, body, id, createdAt
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const url = new URL(req.url!, 'http://localhost');
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const q = url.searchParams;
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const to = q.get('to') ?? 'George';
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const from = q.get('from') ?? 'John';
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const heading = q.get('heading') ?? 'Reminder';
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const body = q.get('body') ?? "Don't forget the meeting at 3 PM today.";
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const id = q.get('id') ?? '42';
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const createdAt = q.get('createdAt') ?? '2025-09-02T10:00:00Z';
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const xml = `<?xml version="1.0" encoding="UTF-8"?>
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<note>
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<to>${esc(to)}</to>
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<from>${esc(from)}</from>
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<heading>${esc(heading)}</heading>
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<body>${esc(body)}</body>
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<meta>
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<id>${esc(id)}</id>
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<createdAt>${esc(createdAt)}</createdAt>
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</meta>
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</note>`;
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res.writeHead(200, { 'Content-Type': 'application/xml; charset=UTF-8' });
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res.end(xml);
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},
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},
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{
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method: 'POST',
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url: '/xml/submit',
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rawResponse(req, res) {
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const chunks: Buffer[] = [];
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req.on('data', (chunk) => chunks.push(Buffer.isBuffer(chunk) ? chunk : Buffer.from(chunk)));
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req.on('end', () => {
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const contentType = String(req.headers['content-type'] || '').toLowerCase();
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const raw = Buffer.concat(chunks).toString('utf8');
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// 默认值,与 GET 一致
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let to = 'George';
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let from = 'John';
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let heading = 'Reminder';
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let body = "Don't forget the meeting at 3 PM today.";
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let id = '42';
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let createdAt = new Date().toISOString();
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try {
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if (contentType.includes('application/json')) {
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const data = JSON.parse(raw || '{}');
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to = data.to ?? to;
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from = data.from ?? from;
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heading = data.heading ?? heading;
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body = data.body ?? body;
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id = data.id ?? id;
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createdAt = data.createdAt ?? createdAt;
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} else if (contentType.includes('application/xml') || contentType.includes('text/xml')) {
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// 解析 XML 请求体中常用字段(演示用,未处理命名空间/CDATA 等复杂场景)
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to = pickTag(raw, 'to') || to;
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from = pickTag(raw, 'from') || from;
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heading = pickTag(raw, 'heading') || heading;
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body = pickTag(raw, 'body') || body;
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id = pickTag(raw, 'id') || id;
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createdAt = pickTag(raw, 'createdAt') || createdAt;
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} else if (contentType.includes('application/x-www-form-urlencoded')) {
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// 简单解析表单:key=value&…;此处演示用途,未处理复杂编码场景
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const params = new URLSearchParams(raw);
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to = params.get('to') ?? to;
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from = params.get('from') ?? from;
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heading = params.get('heading') ?? heading;
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body = params.get('body') ?? body;
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id = params.get('id') ?? id;
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createdAt = params.get('createdAt') ?? createdAt;
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}
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} catch {
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// 忽略解析错误,保持默认值
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}
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const xml = `<?xml version="1.0" encoding="UTF-8"?>
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<note>
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<to>${esc(to)}</to>
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<from>${esc(from)}</from>
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<heading>${esc(heading)}</heading>
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<body>${esc(body)}</body>
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<meta>
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<id>${esc(id)}</id>
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<createdAt>${esc(createdAt)}</createdAt>
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</meta>
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</note>`;
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res.writeHead(200, { 'Content-Type': 'application/xml; charset=UTF-8' });
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res.end(xml);
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});
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},
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},
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]);
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