{"id":259565,"date":"2024-05-15T13:09:51","date_gmt":"2024-05-15T05:09:51","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/259565.html"},"modified":"2024-05-15T13:10:00","modified_gmt":"2024-05-15T05:10:00","slug":"dart-%e7%bc%96%e8%af%91%e5%99%a8%e5%9c%a8%e6%b5%8f%e8%a7%88%e5%99%a8%e4%b8%ad%e5%a6%82%e4%bd%95%e7%bc%96%e8%af%91-dart-%e4%bb%a3%e7%a0%81","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/259565.html","title":{"rendered":"Dart \u7f16\u8bd1\u5668\u5728\u6d4f\u89c8\u5668\u4e2d\u5982\u4f55\u7f16\u8bd1 Dart \u4ee3\u7801"},"content":{"rendered":"<p style=\"text-align:center\"><img decoding=\"async\" src=\"https:\/\/cdn-kb.worktile.com\/kb\/wp-content\/uploads\/2024\/04\/27110917\/1b71d576-690f-4792-b729-e38d91d2d14c.webp\" alt=\"Dart \u7f16\u8bd1\u5668\u5728\u6d4f\u89c8\u5668\u4e2d\u5982\u4f55\u7f16\u8bd1 Dart \u4ee3\u7801\" \/><\/p>\n<p><p>Dart \u7f16\u8bd1\u5668\u5728\u6d4f\u89c8\u5668\u4e2d\u7f16\u8bd1 Dart \u4ee3\u7801\u4e3b\u8981\u901a\u8fc7<strong>\u9884\u7f16\u8bd1\u3001JIT \u7f16\u8bd1\u4e0e AOT \u7f16\u8bd1<\/strong>\u8fd9\u4e09\u79cd\u65b9\u5f0f\u3002<strong>\u9884\u7f16\u8bd1<\/strong>\u662f\u6307\u5728\u53d1\u5e03\u4e4b\u524d\u5c06 Dart \u4ee3\u7801\u7f16\u8bd1\u6210 JavaScript \u4ee3\u7801\uff0c\u8fd9\u6837\u6d4f\u89c8\u5668\u5c31\u53ef\u4ee5\u76f4\u63a5\u6267\u884c\u3002<strong>JIT\uff08Just In Time\uff09\u7f16\u8bd1<\/strong>\uff0c\u9002\u7528\u4e8e\u5f00\u53d1\u9636\u6bb5\uff0c\u53ef\u4ee5\u5b9e\u73b0\u5feb\u901f\u7684\u7f16\u8bd1\u548c\u8fd0\u884c\uff0c\u4fbf\u4e8e\u5f00\u53d1\u8005\u8c03\u8bd5\u3002<strong>AOT\uff08Ahead Of Time\uff09\u7f16\u8bd1<\/strong>\uff0c\u5219\u662f\u5728\u5e94\u7528\u53d1\u5e03\u4e4b\u524d\uff0c\u5c06 Dart \u4ee3\u7801\u7f16\u8bd1\u6210\u9ad8\u6548\u7684\u673a\u5668\u4ee3\u7801\u3002\u8fd9\u4e09\u79cd\u65b9\u6cd5\u5404\u6709\u4f18\u52bf\uff0c\u4f46<strong>\u9884\u7f16\u8bd1<\/strong>\u662f\u6700\u4e3a\u5e38\u89c1\u4e14\u9ad8\u6548\u7684\u6267\u884c Dart \u4ee3\u7801\u4e8e\u6d4f\u89c8\u5668\u4e2d\u7684\u65b9\u6cd5\u3002\u5728\u8fd9\u91cc\uff0c\u6211\u4eec\u5c06\u8be6\u7ec6\u5c55\u5f00\u9884\u7f16\u8bd1\u7684\u8fc7\u7a0b\u548c\u4f18\u52bf\u3002<\/p>\n<\/p>\n<p><p>\u9884\u7f16\u8bd1\u901a\u5e38\u4f7f\u7528 Dart2js \u5de5\u5177\u6765\u5b9e\u73b0\uff0cDart2js \u80fd\u591f\u5c06 Dart \u4ee3\u7801\u7f16\u8bd1\u6210\u9ad8\u6548\u7684 JavaScript \u4ee3\u7801\u3002\u8fd9\u79cd\u65b9\u6cd5\u7684\u4f18\u52bf\u5728\u4e8e\uff0c\u7f16\u8bd1\u540e\u7684 JavaScript \u4ee3\u7801\u53ef\u4ee5\u5728\u4efb\u4f55\u652f\u6301 JavaScript \u7684\u6d4f\u89c8\u5668\u4e2d\u8fd0\u884c\uff0c\u5927\u5927\u63d0\u5347\u4e86 Dart \u5e94\u7528\u7684\u517c\u5bb9\u6027\u548c\u53ef\u8fbe\u6027\u3002\u6b64\u5916\uff0cDart2js \u5728\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u8fdb\u884c\u4e86\u9ad8\u7ea7\u4f18\u5316\uff0c\u5305\u62ec\u6811\u6447\uff08tree shaking\uff09\u6765\u5254\u9664\u65e0\u7528\u4ee3\u7801\u3001\u63d0\u5347\u91cd\u8981\u4ee3\u7801\u7684\u6267\u884c\u6548\u7387\u7b49\uff0c\u4f7f\u5f97\u6700\u7ec8\u7684 JavaScript \u6587\u4ef6\u66f4\u5c0f\uff0c\u52a0\u8f7d\u548c\u6267\u884c\u901f\u5ea6\u66f4\u5feb\u3002<\/p>\n<\/p>\n<p><h2><strong>\u4e00\u3001\u9884\u7f16\u8bd1\u8fc7\u7a0b\u8be6\u8ff0<\/strong><\/h2>\n<\/p>\n<p><p>\u9884\u7f16\u8bd1\u7684\u7b2c\u4e00\u6b65\u662f\u5c06\u5f00\u53d1\u8005\u64b0\u5199\u7684 Dart \u6e90\u4ee3\u7801\u8f6c\u6362\u6210\u4e2d\u95f4\u4ee3\u7801\uff0c\u7136\u540e Dart2js \u5c06\u8fd9\u4e9b\u4e2d\u95f4\u4ee3\u7801\u7f16\u8bd1\u6210 JavaScript\u3002\u5728\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\uff0cDart2js \u4f1a\u6267\u884c\u591a\u4e2a\u4f18\u5316\u7b56\u7565\u3002\u9996\u5148\uff0c\u8fdb\u884c<strong>\u4f9d\u8d56\u5206\u6790<\/strong>\uff0c\u786e\u5b9a\u4ee3\u7801\u4e2d\u5b9e\u9645\u4f7f\u7528\u5230\u7684\u7c7b\u3001\u51fd\u6570\u548c\u5e93\uff0c\u4ec5\u5bf9\u8fd9\u4e9b\u5143\u7d20\u8fdb\u884c\u7f16\u8bd1\u3002\u63a5\u7740\uff0c\u6267\u884c<strong>\u6811\u6447\u64cd\u4f5c<\/strong>\uff0c\u79fb\u9664\u90a3\u4e9b\u5728\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\u786e\u5b9a\u4e0d\u4f1a\u88ab\u8c03\u7528\u7684\u7c7b\u548c\u65b9\u6cd5\uff0c\u51cf\u5c11\u6700\u7ec8\u751f\u6210\u7684 JavaScript \u6587\u4ef6\u5927\u5c0f\u3002<\/p>\n<\/p>\n<p><p>\u968f\u540e\uff0cDart2js \u8fdb\u884c<strong>\u4ee3\u7801\u4f18\u5316<\/strong>\uff0c\u6bd4\u5982\u5185\u8054\u51fd\u6570\u8c03\u7528\u4ee5\u51cf\u5c11\u8fd0\u884c\u65f6\u5f00\u9500\u3001\u91cd\u5199\u5faa\u73af\u4ee5\u63d0\u9ad8\u6548\u7387\u7b49\u3002\u5728\u4f18\u5316\u9636\u6bb5\uff0c\u7f16\u8bd1\u5668\u8fd8\u4f1a\u5bf9\u4ee3\u7801\u8fdb\u884c<strong>\u7c7b\u578b\u63a8\u65ad<\/strong>\uff0c\u8fdb\u4e00\u6b65\u63d0\u5347\u6267\u884c\u6027\u80fd\u3002\u6700\u540e\uff0c\u628a\u4f18\u5316\u540e\u7684\u4e2d\u95f4\u4ee3\u7801\u7f16\u8bd1\u6210 JavaScript\uff0c\u751f\u6210\u53ef\u5728\u6d4f\u89c8\u5668\u4e2d\u76f4\u63a5\u6267\u884c\u7684\u6587\u4ef6\u3002<\/p>\n<\/p>\n<p><h2><strong>\u4e8c\u3001JIT \u7f16\u8bd1\u7279\u70b9\u4e0e\u5e94\u7528\u573a\u666f<\/strong><\/h2>\n<\/p>\n<p><p>JIT \u7f16\u8bd1\u4e3a Dart \u4ee3\u7801\u5728\u6d4f\u89c8\u5668\u4e2d\u7684\u8fd0\u884c\u63d0\u4f9b\u4e86\u7075\u6d3b\u6027\u548c\u5feb\u901f\u53cd\u9988\u3002\u5b83\u5141\u8bb8\u5f00\u53d1\u8005\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u5373\u65f6\u7f16\u8bd1\u548c\u6267\u884c\u4ee3\u7801\uff0c\u65b9\u4fbf\u8c03\u8bd5\u548c\u7acb\u5373\u770b\u5230\u4fee\u6539\u6548\u679c\u3002JIT \u7f16\u8bd1\u7684\u6838\u5fc3\u4f18\u52bf\u5728\u4e8e\u5176<strong>\u9ad8\u6548\u7684\u5f00\u53d1\u5468\u671f<\/strong>\uff0c\u901a\u8fc7\u5373\u65f6\u7f16\u8bd1\uff0c\u53ef\u4ee5\u5feb\u901f\u8bc6\u522b\u9519\u8bef\u548c\u8fdb\u884c\u6027\u80fd\u8c03\u4f18\u3002<\/p>\n<\/p>\n<p><p>Dart VM\uff08\u865a\u62df\u673a\uff09\u662f\u5b9e\u73b0 JIT \u7f16\u8bd1\u7684\u5173\u952e\u6280\u672f\uff0c\u5b83\u5728\u8fd0\u884c\u65f6\u5bf9 Dart \u4ee3\u7801\u8fdb\u884c\u5373\u65f6\u7f16\u8bd1\u6210\u673a\u5668\u7801\uff0c\u5e76\u6267\u884c\u3002\u8fd9\u79cd\u65b9\u5f0f\u7279\u522b\u9002\u5408\u5f00\u53d1\u9636\u6bb5\uff0c\u56e0\u4e3a\u5b83\u53ef\u4ee5\u52a0\u901f\u4ee3\u7801\u7684\u8fed\u4ee3\u548c\u6d4b\u8bd5\u8fc7\u7a0b\u3002\u4f46\u662f\uff0c\u7531\u4e8e JIT \u7f16\u8bd1\u5728\u5ba2\u6237\u7aef\u8fdb\u884c\uff0c\u5b83\u9700\u8981\u5728\u6bcf\u6b21\u8fd0\u884c\u65f6\u91cd\u65b0\u7f16\u8bd1\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bfc\u81f4\u4ea7\u751f\u4e00\u5b9a\u7684\u6267\u884c\u5ef6\u8fdf\u3002<\/p>\n<\/p>\n<p><h2><strong>\u4e09\u3001AOT \u7f16\u8bd1\u6df1\u5ea6\u89e3\u6790<\/strong><\/h2>\n<\/p>\n<p><p>AOT \u7f16\u8bd1\u901a\u8fc7\u9884\u5148\u5c06 Dart \u4ee3\u7801\u7f16\u8bd1\u6210\u673a\u5668\u7801\uff0c\u6d88\u9664\u4e86\u8fd0\u884c\u65f6\u7f16\u8bd1\u7684\u9700\u8981\uff0c\u4ece\u800c\u4e3a Dart \u5e94\u7528\u63d0\u4f9b\u4e86\u66f4\u5feb\u7684\u542f\u52a8\u65f6\u95f4\u548c\u66f4\u9ad8\u7684\u6267\u884c\u6548\u7387\u3002\u5728\u53d1\u5e03\u9636\u6bb5\uff0c\u5229\u7528 AOT \u7f16\u8bd1\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u7528\u6237\u4f53\u9a8c\uff0c\u7279\u522b\u662f\u5bf9\u4e8e\u5927\u578b\u5e94\u7528\u548c\u6e38\u620f\u800c\u8a00\uff0cAOT \u80fd\u591f\u786e\u4fdd\u5e94\u7528\u8fd0\u884c\u5e73\u6ed1\uff0c\u54cd\u5e94\u8fc5\u901f\u3002<\/p>\n<\/p>\n<p><p>Dart \u7684 AOT \u7f16\u8bd1\u6d89\u53ca\u5c06\u4ee3\u7801\u7f16\u8bd1\u6210\u672c\u5730\u673a\u5668\u4ee3\u7801\u7684\u8fc7\u7a0b\uff0c\u8fd9\u610f\u5473\u7740\u7f16\u8bd1\u540e\u7684\u4ee3\u7801\u53ef\u4ee5\u76f4\u63a5\u5728\u76ee\u6807\u5e73\u53f0\u4e0a\u6267\u884c\uff0c\u65e0\u9700 Dart VM \u6216\u5176\u4ed6\u89e3\u91ca\u5668\u3002\u8fd9\u79cd\u7f16\u8bd1\u65b9\u6cd5\u7684\u4f18\u52bf\u5728\u4e8e\u6267\u884c\u901f\u5ea6\u548c\u542f\u52a8\u65f6\u95f4\u7684\u5927\u5e45\u4f18\u5316\u3002\u800c\u4e14\uff0c\u7531\u4e8e\u7f16\u8bd1\u65f6\u5df2\u7ecf\u5b8c\u6210\u4e86\u5927\u90e8\u5206\u6027\u80fd\u4f18\u5316\u5de5\u4f5c\uff0c\u56e0\u6b64\u8fd0\u884c\u65f6\u7684\u6027\u80fd\u66f4\u52a0\u7a33\u5b9a\u3002<\/p>\n<\/p>\n<p><h2><strong>\u56db\u3001\u9009\u62e9\u5408\u9002\u7684\u7f16\u8bd1\u65b9\u6cd5<\/strong><\/h2>\n<\/p>\n<p><p>\u9009\u62e9 Dart \u4ee3\u7801\u5728\u6d4f\u89c8\u5668\u4e2d\u7f16\u8bd1\u7684\u6700\u4f73\u65b9\u6cd5\u4f9d\u8d56\u4e8e\u5e94\u7528\u7684\u5f00\u53d1\u9636\u6bb5\u548c\u5177\u4f53\u9700\u6c42\u3002\u5728\u5f00\u53d1\u65e9\u671f\uff0cJIT \u7f16\u8bd1\u7531\u4e8e\u5176\u5feb\u901f\u53cd\u9988\u5faa\u73af\u800c\u975e\u5e38\u6709\u7528\u3002\u800c\u5f53\u5e94\u7528\u63a5\u8fd1\u53d1\u5e03\u65f6\uff0c\u5c06 Dart \u4ee3\u7801\u9884\u7f16\u8bd1\u4e3a JavaScript \u662f\u786e\u4fdd\u53ef\u8fbe\u6027\u7684\u6709\u6548\u65b9\u5f0f\u3002\u5bf9\u4e8e\u8ffd\u6c42\u6027\u80fd\u6781\u81f4\u7684\u5e94\u7528\uff0cAOT \u7f16\u8bd1\u5728\u53d1\u5e03\u524d\u63d0\u4f9b\u4e86\u6700\u4f73\u7684\u6027\u80fd\u4f18\u5316\u3002<\/p>\n<\/p>\n<p><p>\u7efc\u5408\u8003\u8651\uff0c<strong>\u9884\u7f16\u8bd1<\/strong>\u662f\u5728\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u7279\u522b\u662f\u9488\u5bf9\u9700\u8981\u5728\u4e0d\u540c\u6d4f\u89c8\u5668\u4e2d\u8fd0\u884c\u7684 Dart \u5e94\u7528\u7684\u9996\u9009\u65b9\u6cd5\u3002\u5b83\u7ed3\u5408\u4e86\u517c\u5bb9\u6027\u597d\u3001\u6267\u884c\u6548\u7387\u9ad8\u548c\u4f18\u5316\u7ea7\u522b\u9ad8\u7684\u8bf8\u591a\u4f18\u70b9\uff0c\u662f\u5c06 Dart \u5e94\u7528\u5e26\u5230\u6d4f\u89c8\u5668\u7aef\u7684\u9ad8\u6548\u9014\u5f84\u3002<\/p>\n<\/p>\n<h2><strong>\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n<p><strong>1. Dart \u7f16\u8bd1\u5668\u5982\u4f55\u5728\u6d4f\u89c8\u5668\u4e2d\u5b9e\u73b0 Dart \u4ee3\u7801\u7684\u7f16\u8bd1\uff1f<\/strong><\/p>\n<p>Dart \u7f16\u8bd1\u5668\u5728\u6d4f\u89c8\u5668\u4e2d\u5b9e\u73b0 Dart \u4ee3\u7801\u7684\u7f16\u8bd1\u6709\u4e24\u79cd\u65b9\u5f0f\uff1aJIT\uff08Just-in-Time\uff09\u7f16\u8bd1\u548cAOT\uff08Ahead-of-Time\uff09\u7f16\u8bd1\u3002<\/p>\n<p>JIT \u7f16\u8bd1\u5668\u662f Dart VM\uff08\u865a\u62df\u673a\uff09\u7684\u4e00\u90e8\u5206\uff0c\u5b83\u5728\u8fd0\u884c Dart \u4ee3\u7801\u65f6\u5c06\u5176\u5b9e\u65f6\u7f16\u8bd1\u4e3a\u673a\u5668\u7801\uff0c\u5e76\u7acb\u5373\u6267\u884c\u3002\u8fd9\u79cd\u65b9\u5f0f\u4f7f\u5f97\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u53ef\u4ee5\u66f4\u5feb\u5730\u7f16\u8bd1\u548c\u8fd0\u884c\u4ee3\u7801\uff0c\u540c\u65f6\u4e5f\u65b9\u4fbf\u8c03\u8bd5\u548c\u70ed\u91cd\u8f7d\u3002\u4f46\u662f\uff0c\u7531\u4e8e\u5b9e\u65f6\u7f16\u8bd1\u7684\u5f00\u9500\uff0cJIT \u7f16\u8bd1\u5668\u751f\u6210\u7684\u673a\u5668\u7801\u6267\u884c\u6548\u7387\u53ef\u80fd\u4f1a\u7a0d\u4f4e\u3002<\/p>\n<p>AOT \u7f16\u8bd1\u5668\u5c06 Dart \u4ee3\u7801\u9884\u5148\u7f16\u8bd1\u4e3a\u673a\u5668\u7801\uff0c\u751f\u6210\u7684\u673a\u5668\u7801\u53ef\u4ee5\u76f4\u63a5\u5728\u6d4f\u89c8\u5668\u4e2d\u6267\u884c\uff0c\u65e0\u9700\u518d\u8fdb\u884c\u5b9e\u65f6\u7f16\u8bd1\u3002\u8fd9\u79cd\u65b9\u5f0f\u5728\u6027\u80fd\u4e0a\u6bd4 JIT \u7f16\u8bd1\u5668\u66f4\u9ad8\u6548\uff0c\u5e76\u4e14\u53ef\u4ee5\u5b9e\u73b0\u66f4\u5feb\u7684\u542f\u52a8\u65f6\u95f4\u548c\u66f4\u5c0f\u7684\u4ee3\u7801\u4f53\u79ef\u3002AOT \u7f16\u8bd1\u5668\u901a\u5e38\u7528\u4e8e\u53d1\u5e03\u751f\u4ea7\u73af\u5883\u4e2d\u7684\u5e94\u7528\u7a0b\u5e8f\u3002<\/p>\n<p><strong>2. Dart \u7f16\u8bd1\u5668\u662f\u5982\u4f55\u5bf9 Dart \u4ee3\u7801\u8fdb\u884c\u4f18\u5316\u7684\uff1f<\/strong><\/p>\n<p>Dart \u7f16\u8bd1\u5668\u5728\u7f16\u8bd1 Dart \u4ee3\u7801\u65f6\u4f1a\u8fdb\u884c\u591a\u79cd\u4f18\u5316\uff0c\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u6267\u884c\u6548\u7387\u3002\u5176\u4e2d\u4e00\u4e9b\u5e38\u89c1\u7684\u4f18\u5316\u5305\u62ec\uff1a<\/p>\n<ul>\n<li>\u5185\u8054\u4f18\u5316\uff1a\u7f16\u8bd1\u5668\u5c06\u51fd\u6570\u8c03\u7528\u5904\u7684\u51fd\u6570\u4f53\u76f4\u63a5\u63d2\u5165\u8c03\u7528\u70b9\uff0c\u51cf\u5c11\u51fd\u6570\u8c03\u7528\u7684\u5f00\u9500\u3002<\/li>\n<li>\u9003\u9038\u5206\u6790\uff1a\u7f16\u8bd1\u5668\u5206\u6790\u4ee3\u7801\u4e2d\u53d8\u91cf\u7684\u4f5c\u7528\u57df\u548c\u751f\u547d\u5468\u671f\uff0c\u786e\u5b9a\u662f\u5426\u53ef\u4ee5\u5c06\u5176\u5b58\u50a8\u5728\u5bc4\u5b58\u5668\u4e0a\uff0c\u4ee5\u51cf\u5c11\u5185\u5b58\u8bbf\u95ee\u7684\u5f00\u9500\u3002<\/li>\n<li>\u5e38\u91cf\u6298\u53e0\uff1a\u7f16\u8bd1\u5668\u5c06\u5e38\u91cf\u8868\u8fbe\u5f0f\u5728\u7f16\u8bd1\u65f6\u8ba1\u7b97\uff0c\u5e76\u5c06\u5176\u7ed3\u679c\u66ff\u6362\u4e3a\u5e38\u91cf\u3002<\/li>\n<li>\u5faa\u73af\u4f18\u5316\uff1a\u7f16\u8bd1\u5668\u5bf9\u5faa\u73af\u8fdb\u884c\u4f18\u5316\uff0c\u4f8b\u5982\u5faa\u73af\u4e0d\u53d8\u8868\u8fbe\u5f0f\u5916\u63d0\u3001\u5faa\u73af\u5c55\u5f00\u7b49\uff0c\u4ee5\u51cf\u5c11\u5faa\u73af\u7684\u5f00\u9500\u3002<\/li>\n<\/ul>\n<p>\u8fd9\u4e9b\u4f18\u5316\u53ef\u4ee5\u663e\u8457\u63d0\u9ad8 Dart \u4ee3\u7801\u7684\u6267\u884c\u901f\u5ea6\u548c\u5185\u5b58\u6d88\u8017\uff0c\u4f7f\u5e94\u7528\u7a0b\u5e8f\u66f4\u52a0\u9ad8\u6548\u548c\u7a33\u5b9a\u3002<\/p>\n<p><strong>3. Dart \u7f16\u8bd1\u5668\u5728\u6d4f\u89c8\u5668\u4e2d\u5982\u4f55\u5904\u7406\u5f02\u6b65\u4ee3\u7801\uff1f<\/strong><\/p>\n<p>Dart \u7f16\u8bd1\u5668\u901a\u8fc7\u4f7f\u7528 async\/aw<a href=\"https:\/\/docs.pingcode.com\/blog\/59162.html\" target=\"_blank\">AI<\/a>t \u5173\u952e\u5b57\u548c Future \u7c7b\u578b\u6765\u5904\u7406\u5f02\u6b65\u4ee3\u7801\u3002\u5728\u7f16\u8bd1\u8fc7\u7a0b\u4e2d\uff0c\u7f16\u8bd1\u5668\u4f1a\u5c06 async \u51fd\u6570\u8f6c\u6362\u4e3a\u72b6\u6001\u673a\uff0c\u5e76\u6839\u636e\u4ee3\u7801\u7684\u6d41\u7a0b\u5c06\u5176\u6d41\u7a0b\u62c6\u5206\u4e3a\u591a\u4e2a\u6b65\u9aa4\u3002<\/p>\n<p>\u5f53\u9047\u5230 await \u5173\u952e\u5b57\u65f6\uff0c\u7f16\u8bd1\u5668\u4f1a\u5c06 await \u540e\u9762\u7684\u4ee3\u7801\u5199\u5165\u4e00\u4e2a\u56de\u8c03\u51fd\u6570\uff0c\u5e76\u5c06\u8be5\u51fd\u6570\u6ce8\u518c\u5230\u4e8b\u4ef6\u5faa\u73af\u4e2d\u3002\u5f53 await \u540e\u9762\u7684 Future \u5b8c\u6210\u65f6\uff0c\u4e8b\u4ef6\u5faa\u73af\u4f1a\u6267\u884c\u8be5\u56de\u8c03\u51fd\u6570\uff0c\u5e76\u7ee7\u7eed\u6267\u884c\u4e0b\u4e00\u4e2a\u6d41\u7a0b\u3002<\/p>\n<p>\u8fd9\u79cd\u65b9\u5f0f\u4f7f\u5f97 Dart \u7f16\u8bd1\u5668\u5728\u6d4f\u89c8\u5668\u4e2d\u5904\u7406\u5f02\u6b65\u4ee3\u7801\u975e\u5e38\u9ad8\u6548\u548c\u7b80\u6d01\uff0c\u540c\u65f6\u4e5f\u786e\u4fdd\u4e86\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002\u5728\u5f02\u6b65\u4efb\u52a1\u5b8c\u6210\u4e4b\u524d\uff0c\u4e8b\u4ef6\u5faa\u73af\u53ef\u4ee5\u5e76\u884c\u5904\u7406\u5176\u4ed6\u4efb\u52a1\uff0c\u63d0\u9ad8\u4e86\u5e94\u7528\u7a0b\u5e8f\u7684\u54cd\u5e94\u6027\u80fd\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"Dart \u7f16\u8bd1\u5668\u5728\u6d4f\u89c8\u5668\u4e2d\u7f16\u8bd1 Dart \u4ee3\u7801\u4e3b\u8981\u901a\u8fc7\u9884\u7f16\u8bd1\u3001JIT \u7f16\u8bd1\u4e0e AOT \u7f16\u8bd1\u8fd9\u4e09\u79cd\u65b9\u5f0f\u3002\u9884\u7f16\u8bd1\u662f [&hellip;]","protected":false},"author":3,"featured_media":259571,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/259565"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=259565"}],"version-history":[{"count":0,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/259565\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/259571"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=259565"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=259565"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=259565"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}