{"id":6198,"date":"2023-01-07T11:35:15","date_gmt":"2023-01-07T03:35:15","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=6198"},"modified":"2023-01-07T11:35:15","modified_gmt":"2023-01-07T03:35:15","slug":"%e4%ba%86%e8%a7%a3node-js%e4%b8%ad%e7%9a%84%e4%ba%8b%e4%bb%b6%e5%be%aa%e7%92%b0%e5%a6%82%e4%bd%95%e8%99%95%e7%90%86%e5%bc%82%e6%ad%a5%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/node-js\/%e4%ba%86%e8%a7%a3node-js%e4%b8%ad%e7%9a%84%e4%ba%8b%e4%bb%b6%e5%be%aa%e7%92%b0%e5%a6%82%e4%bd%95%e8%99%95%e7%90%86%e5%bc%82%e6%ad%a5%e6%93%8d%e4%bd%9c\/","title":{"rendered":"\u4e86\u89e3Node.js\u4e2d\u7684\u4e8b\u4ef6\u5faa\u74b0\u5982\u4f55\u8655\u7406\u5f02\u6b65\u64cd\u4f5c"},"content":{"rendered":"

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\n\/\/ \u5b9a\u7fa9\u4e00\u500b\u51fd\u6578\uff0c\u7528\u65bc\u8655\u7406\u5f02\u6b65\u64cd\u4f5c\nfunction doAsyncOperation(callback) {\n  \/\/ \u57f7\u884c\u5f02\u6b65\u64cd\u4f5c\n  \/\/ ...\n\n  \/\/ \u5f02\u6b65\u64cd\u4f5c\u5b8c\u6210\u5f8c\uff0c\u8abf\u7528\u56de\u8abf\u51fd\u6578\n  callback();\n}\n\n\/\/ \u5b9a\u7fa9\u4e00\u500b\u51fd\u6578\uff0c\u7528\u65bc\u8655\u7406\u4e8b\u4ef6\nfunction handleEvent() {\n  \/\/ \u57f7\u884c\u4e8b\u4ef6\u8655\u7406\u4ee3\u78bc\n  \/\/ ...\n}\n\n\/\/ \u5c07\u4e8b\u4ef6\u6dfb\u52a0\u5230\u4e8b\u4ef6\u5faa\u74b0\u4e2d\ndoAsyncOperation(handleEvent);\n<\/pre>\n
\u5728\u4e0a\u9762\u7684\u793a\u4f8b\u4e2d\uff0c\u6211\u5011\u5b9a\u7fa9\u4e86\u4e00\u500b\u51fd\u6578 doAsyncOperation()<\/code>\uff0c\u7528\u65bc\u8655\u7406\u5f02\u6b65\u64cd\u4f5c\uff0c\u4e26\u4e14\u5b9a\u7fa9\u4e86\u4e00\u500b\u51fd\u6578 handleEvent()<\/code>\uff0c\u7528\u65bc\u8655\u7406\u4e8b\u4ef6\u3002\u7576 doAsyncOperation()<\/code> \u5b8c\u6210\u5f8c\uff0c\u5b83\u6703\u8abf\u7528 handleEvent()<\/code>\uff0c\u4e26\u5c07\u5176\u6dfb\u52a0\u5230\u4e8b\u4ef6\u5faa\u74b0\u4e2d\u3002<\/p>\n
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\u7e3d\u7d50<\/h2>\n
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