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2. \u5355\u7ebf\u7a0b\uff1aNode.js \u4f7f\u7528\u5355\u7ebf\u7a0b\u5904\u7406\u8bf7\u6c42\uff0c\u5927\u5927\u51cf\u8f7b\u4e86\u670d\u52a1\u5668\u7684\u8d1f\u62c5\u3002\u4e5f\u5c31\u662f\u8bf4\uff0c\u591a\u4e2a\u8bf7\u6c42\u8fdb\u6765\u65f6\uff0cNode.js \u4e0d\u4f1a\u4e3a\u6bcf\u4e2a\u8bf7\u6c42\u521b\u5efa\u4e00\u4e2a\u7ebf\u7a0b\uff0c\u800c\u662f\u5c06\u8fd9\u4e9b\u8bf7\u6c42\u6392\u961f\u5904\u7406\u3002\u5229\u7528\u4e8b\u4ef6\u5faa\u73af\u673a\u5236\uff0c\u5f53\u4e00\u4e2a\u8bf7\u6c42\u5904\u7406\u7ed3\u675f\u540e\uff0c\u7a0b\u5e8f\u81ea\u52a8\u5904\u7406\u4e0b\u4e00\u4e2a\u8bf7\u6c42\u3002\u8fd9\u4e00\u673a\u5236\u4f7f\u5f97 Node.js \u5728\u627f\u53d7\u9ad8\u5e76\u53d1\u8bf7\u6c42\u65f6\u8868\u73b0\u51fa\u8f83\u597d\u7684\u6027\u80fd\u3002<\/p>\n

3. \u6a21\u5757\u5316\uff1aNode.js \u652f\u6301\u6a21\u5757\u5316\u5f00\u53d1\uff0c\u6bcf\u4e2a\u6a21\u5757\u90fd\u662f\u4e00\u4e2a\u72ec\u7acb\u7684\u6587\u4ef6\uff0c\u63d0\u4f9b\u4e86\u67d0\u4e9b\u7279\u5b9a\u7684\u529f\u80fd\u3002Node.js \u672c\u8eab\u96c6\u6210\u4e86\u5927\u91cf\u5185\u7f6e\u6a21\u5757\uff0c\u4f8b\u5982 HTTP\u3001FS \u7b49\u3002\u6b64\u5916\uff0c\u5f00\u53d1\u8005\u53ef\u4ee5\u4f7f\u7528 NPM\uff08Node Package Manager\uff09\u6765\u7ba1\u7406\u7b2c\u4e09\u65b9\u4f9d\u8d56\u5e93\uff0c\u4fbf\u4e8e\u4ee3\u7801\u91cd\u7528\u548c\u9879\u76ee\u7ef4\u62a4\u3002<\/p>\n

4. \u8de8\u5e73\u53f0\uff1aNode.js \u652f\u6301 Windows\u3001Linux \u548c MacOS \u7b49\u591a\u79cd\u5e73\u53f0\uff0c\u4f7f\u5f97\u9879\u76ee\u7684\u79fb\u690d\u6027\u5f97\u5230\u4fdd\u8bc1\u3002<\/p>\n

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1. \u5f00\u53d1 Web \u670d\u52a1\u5668\uff1aNode.js \u652f\u6301 HTTP \u6a21\u5757\uff0c\u5141\u8bb8\u5f00\u53d1\u8005\u8f7b\u677e\u642d\u5efa\u57fa\u4e8e HTTP \u7684 Web \u670d\u52a1\u5668\uff0c\u5b9e\u73b0 RESTful API \u670d\u52a1\u7b49\u3002<\/p>\n

2. \u5b9e\u65f6\u901a\u4fe1\uff1a\u501f\u52a9 WebSocket \u534f\u8bae\uff0cNode.js \u53ef\u4ee5\u5b9e\u73b0\u5b9e\u65f6\u53cc\u5411\u901a\u4fe1\uff0c\u9002\u5408\u5f00\u53d1\u804a\u5929\u5ba4\u3001\u5728\u7ebf\u6e38\u620f\u7b49\u5b9e\u65f6\u5e94\u7528\u3002<\/p>\n

3. \u7f51\u7edc\u722c\u866b\uff1aNode.js \u5728\u5904\u7406\u5927\u91cf\u5f02\u6b65 I\/O \u8bf7\u6c42\u7684\u8fc7\u7a0b\u4e2d\u8868\u73b0\u51fa\u4e86\u4f18\u79c0\u7684\u6027\u80fd\uff0c\u56e0\u6b64<\/p>\n

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4. \u524d\u7aef\u5de5\u7a0b\u5316\uff1aNode.js \u53ef\u4ee5\u901a\u8fc7\u642d\u5efa\u81ea\u52a8\u5316\u6d41\u7a0b\uff0c\u5e2e\u52a9\u524d\u7aef\u5de5\u7a0b\u5e08\u89e3\u51b3\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u7684\u6a21\u5757\u7ba1\u7406\u3001\u4ee3\u7801\u538b\u7f29\u3001\u81ea\u52a8\u5237\u65b0\u7b49\u95ee\u9898\uff0c\u63d0\u9ad8\u5f00\u53d1\u6548\u7387\u3002<\/p>\n

5. \u5fae\u670d\u52a1\uff1aNode.js \u53ef\u4ee5\u4f5c\u4e3a\u540e\u7aef\u670d\u52a1\u7684\u4e00\u90e8\u5206\uff0c\u8d1f\u8d23\u627f\u62c5\u4e00\u4e9b\u7279\u5b9a\u529f\u80fd\u3002<\/p>\n

\u4e09\u3001Node.js \u5f00\u53d1\u5165\u95e8<\/p>\n

1. \u5b89\u88c5\uff1a\u9996\u5148\u9700\u8981\u5728\u5b98\u7f51\uff08https:\/\/nodejs.org\/\uff09\u4e0b\u8f7d\u5e76\u5b89\u88c5 Node.js\u3002\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u901a\u8fc7\u547d\u4ee4\u884c\u6216\u7ec8\u7aef\u8f93\u5165 `node -v`\uff0c\u82e5\u80fd\u770b\u5230\u7248\u672c\u53f7\uff0c\u5219\u8868\u793a\u5b89\u88c5\u6210\u529f\u3002<\/p>\n

2. \u7f16\u5199\u4ee3\u7801\uff1a\u4f7f\u7528\u6587\u672c\u7f16\u8f91\u5668\u7f16\u5199\u7b80\u5355\u7684 JavaScript \u4ee3\u7801\uff0c\u4f8b\u5982\u521b\u5efa\u4e00\u4e2a Hello World \u7a0b\u5e8f\uff0c\u6587\u4ef6\u540d\u4e3a `app.js`\uff1a<\/p>\n

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3. \u8fd0\u884c\u4ee3\u7801\uff1a\u5728\u547d\u4ee4\u884c\u6216\u7ec8\u7aef\u8f93\u5165 `node app.js`\uff0c\u5982\u679c\u80fd\u770b\u5230\u8f93\u51fa “Hello, World!”\uff0c\u5219\u8868\u793a\u7a0b\u5e8f\u8fd0\u884c\u6210\u529f\u3002<\/p>\n

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