使用方法 <script async src="https://ga.jspm.io/npm:es-module-shims@1.10.0/dist/es-module-shims.js"></script> <!-- https://generator.jspm.io/#U2NhYGBkDM0rySzJSU1hKEpNTC5xMLTQM9Az0C1K1jMAAKFS5w0gAA --> <script type="importmap-shim"> { "imports": { "react": "https://ga.jspm.io/npm:react@18.0.0-rc.0/index.js" }, "scopes": { "https://ga.jspm.io/npm:react@18.0.0-rc.0/": { "object-assign": "https://ga.jspm.io/npm:object-assign@4.1.1/index.js" } } } </script> <script type="module-shim"> import react from 'react'; console.log(react); </script>