TypeORM Migrations—1（\u6570\u636e\u5e93\u7684 Git）-CSDN\u535a\u5ba2<\/p>\n
\u5728\u4e0a\u7bc7\u4e2d\u5bf9\u4e8e\u6570\u636e\u8fc1\u79fb\u662f\u901a\u8fc7sql\u811a\u672c\u53bb\u5b9e\u73b0\u7684，\u63a5\u4e0b\u6765\u5c31\u662f\u7ee7\u7eed\u5bf9\u5176\u8fdb\u884c\u5b8c\u5584\u4e86，\u4f7f\u5f97\u6574\u4e00\u4e2amigration\u53ef\u4ee5\u901a\u8fc7cli\u53bb\u5b8c\u6210，\u5e76\u4e14\u53ef\u4ee5\u63a7\u5236\u4ece\u54ea\u4e00\u4e2aID\u5f00\u59cb\u548c\u54ea\u4e00\u4e2aID\u7ed3\u675f\u3002<\/p>\n
\u6b63\u7247\u5185\u5bb9：<\/p>\n
\u5bf9\u4e8e\u53ef\u4ee5\u901a\u8fc7cli\u53bb\u6267\u884c\u76f8\u5e94\u7684\u903b\u8f91\u5c31\u9700\u8981\u7528\u5230\u4e0b\u9762\u8fd9\u4e9b\u4e86<\/p>\n
@Command({
\n name: 'migrate-bookmarks',
\n description: 'Migrate bookmarks from V1 to V2 format',
\n})
\n@Injectable()
\nexport default class MigrateBookmarksCommand extends CommandRunner {
\n public constructor(
\n @InjectRepository(Bookmark)
\n private oldBookmarkRepo: Repository<Bookmark>,
\n @InjectRepository(BookmarkV2)
\n private newBookmarkRepo: Repository<BookmarkV2>,
\n ) {
\n super();
\n }
\n public async run(
\n passedParams: string[],
\n options?: Record<string, any>,
\n ): Promise<void> {}<\/p>\n
@Option({
\n flags: '-s, –startAccountId <number>',
\n description: 'The starting account ID for migration',
\n })
\n parseStartAccountId(val: string): number {
\n const parsed = parseInt(val, 10);
\n if (isNaN(parsed) || parsed < 0) {
\n throw new Error('startAccountId must be a non-negative integer');
\n }
\n return parsed;
\n }<\/p>\n
@Option({
\n flags: '-e, –endAccountId <number>',
\n description: 'The ending account ID for migration',
\n })
\n parseEndAccountId(val: string): number {
\n const parsed = parseInt(val, 10);
\n if (isNaN(parsed) || parsed < 0) {
\n throw new Error('endAccountId must be a non-negative integer');
\n }
\n return parsed;
\n } <\/p>\n
nest-commander \u662f\u4e00\u4e2a \u57fa\u4e8e NestJS \u8bbe\u8ba1\u7406\u5ff5\u7684\u72ec\u7acb\u547d\u4ee4\u884c\u5de5\u5177\u5e93，\u5b83\u6a21\u4eff\u4e86 NestJS \u7684\u88c5\u9970\u5668\u548c\u4f9d\u8d56\u6ce8\u5165\u98ce\u683c，\u4e13\u95e8\u7528\u4e8e\u6784\u5efa\u529f\u80fd\u4e30\u5bcc\u7684 Node.js \u547d\u4ee4\u884c\u5e94\u7528（CLI apps）\u3002<\/p>\n
run\u91cc\u9762\u8981\u5199\u76f8\u5e94\u7684\u903b\u8f91\u5904\u7406\u3002<\/p>\n
\u641e\u5b8c\u8fd9\u4e9b，\u4ee3\u7801\u90e8\u5206\u5c31ok\u4e86，\u90a3\u8981\u600e\u4e48\u624d\u80fd\u4f7f\u7528\u8fd9\u4e2a\u5462<\/p>\n
\u8fd9\u4e9b\u641e\u5b8c\u540e，\u5728cli\u4e2d\u6572\u4e0byarn run build. node dist\/bin\/cli.js migrate-bookmarks -s 2001 -e 2002 \u5c31\u80fd\u8dd1\u4e86，-s -e\u5206\u522b\u5bf9\u5e94\u4e0a\u9762\u4ee3\u7801\u4e2d\u7684@Option，\u8868\u793a\u4ece\u54ea\u91cc\u5f00\u59cb\u54ea\u91cc\u7ed3\u675f（\u8fd9\u4e9b\u90fd\u5f97\u5728run\u65b9\u6cd5\u91cc\u53bb\u81ea\u5df1\u5b9e\u73b0\u7684，\u7528\u4e2afor\u5faa\u73af\u5c31OK\u7684）\u81f3\u4e8e\u4e3a\u4ec0\u4e48\u8981\u7528cli.js\u5462，\u6ce8\u610f\u4e0d\u662f\u4f7f\u7528\u6574\u4e00\u4e2a\u7684\u5165\u53e3\u800c\u662f\u9700\u8981\u91cd\u65b0\u5b9a\u4e49\u4e00\u4e2a\u5165\u53e3\u6587\u4ef6，\u5e76\u4e14\u8fd9\u662f\u5173\u4e8ecli\u7684\u5165\u53e3\u6587\u4ef6<\/p>\n
import 'reflect-metadata';<\/p>\n
import { CommandFactory } from 'nest-commander';<\/p>\n
import CmdModule from '..\/modules\/CmdModule';<\/p>\n
(async () => {
\n await CommandFactory.run(CmdModule, ['warn', 'error']);
\n})();<\/p>\n
\u8fd9\u4e00\u4e2a\u8fd0\u884c\u6b65\u9aa4\u5982\u4e0b\u6240\u793a\u4e86：<\/p>\n
\u542f\u52a8 CLI \u2193<\/p>\n
\u52a0\u8f7d reflect-metadata（\u542f\u7528\u88c5\u9970\u5668） \u2193<\/p>\n
\u5bfc\u5165 CmdModule（\u5305\u542b\u6240\u6709\u547d\u4ee4） \u2193<\/p>\n
CommandFactory.run() \u2193<\/p>\n
\u626b\u63cf CmdModule \u4e2d\u6240\u6709 @Command() \u7c7b \u2193<\/p>\n
\u89e3\u6790\u547d\u4ee4\u884c\u8f93\u5165（\u5982 node cli.js migrate-bookmarks） \u2193<\/p>\n
\u8fd0\u884c\u5bf9\u5e94\u7684 CommandRunner<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb829\u6b21\uff0c\u70b9\u8d5e22\u6b21\uff0c\u6536\u85cf7\u6b21\u3002\u8fd9\u4e00\u4e2a\u8fd0\u884c\u6b65\u9aa4\u5982\u4e0b\u6240\u793a\u4e86\uff1a\u542f\u52a8 CLI \u2193\u52a0\u8f7d reflect-metadata\uff08\u542f\u7528\u88c5\u9970\u5668\uff09 \u2193\u5bfc\u5165 CmdModule\uff08\u5305\u542b\u6240\u6709\u547d\u4ee4\uff09 \u2193\u626b\u63cf CmdModule \u4e2d\u6240\u6709 @Command() \u7c7b \u2193\u89e3\u6790\u547d\u4ee4\u884c\u8f93\u5165\uff08\u5982 node cli.js migrate-bookmarks\uff09 \u2193\u8fd0\u884c\u5bf9\u5e94\u7684 CommandRunner\u3002<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[187,186,100],"topic":[],"class_list":["post-55115","post","type-post","status-publish","format-standard","hentry","category-server","tag-javascript","tag-node-js","tag-100"],"yoast_head":"\n