{"id":3711,"date":"2024-11-10T14:44:11","date_gmt":"2024-11-10T06:44:11","guid":{"rendered":"https:\/\/fwq.ai\/blog\/3711\/"},"modified":"2024-11-10T14:44:11","modified_gmt":"2024-11-10T06:44:11","slug":"javascript-%e4%b8%ad%e7%9a%84-try-catch-%e6%97%a0%e6%b3%95%e6%8d%95%e8%8e%b7-websocket-%e8%bf%9e%e6%8e%a5%e5%a4%b1%e8%b4%a5%ef%bc%9a%e5%a6%82%e4%bd%95%e5%88%a4%e6%96%ad-websocket-%e5%9c%b0%e5%9d%80","status":"publish","type":"post","link":"https:\/\/fwq.ai\/blog\/3711\/","title":{"rendered":"JavaScript \u4e2d\u7684 try catch \u65e0\u6cd5\u6355\u83b7 WebSocket \u8fde\u63a5\u5931\u8d25\uff1a\u5982\u4f55\u5224\u65ad WebSocket \u5730\u5740\u662f\u5426\u53ef\u8fde\u63a5\uff1f"},"content":{"rendered":"<p><img decoding=\"async\" src=\"https:\/\/img.php.cn\/upload\/article\/001\/246\/273\/173112355113265.jpg\" class=\"aligncenter\" title=\"JavaScript \u4e2d\u7684 try catch \u65e0\u6cd5\u6355\u83b7 WebSocket \u8fde\u63a5\u5931\u8d25\uff1a\u5982\u4f55\u5224\u65ad WebSocket \u5730\u5740\u662f\u5426\u53ef\u8fde\u63a5\uff1f\u63d2\u56fe\" alt=\"JavaScript \u4e2d\u7684 try catch \u65e0\u6cd5\u6355\u83b7 WebSocket \u8fde\u63a5\u5931\u8d25\uff1a\u5982\u4f55\u5224\u65ad WebSocket \u5730\u5740\u662f\u5426\u53ef\u8fde\u63a5\uff1f\u63d2\u56fe\" \/><\/p>\n<p><strong>JavaScript \u4e2d\u7684 try catch \u65e0\u6cd5\u6355\u83b7 WebSocket \u8fde\u63a5\u5931\u8d25<\/strong><\/p>\n<p>\u5728 JavaScript \u4e2d\uff0ctry catch \u5757\u53ef\u7528\u4e8e\u5904\u7406\u4ee3\u7801\u4e2d\u7684\u5f02\u5e38\u5e76\u9632\u6b62\u9519\u8bef\u5728\u63a7\u5236\u53f0\u4e2d\u663e\u793a\u3002\u7136\u800c\uff0c\u5b83\u5e76\u4e0d\u662f\u4e07\u80fd\u7684\u3002<\/p>\n<p><strong>\u95ee\u9898\uff1a<\/strong><\/p>\n<p>\u5982\u4f55\u5728 JavaScript \u4e2d\u786e\u5b9a WebSocket \u5730\u5740\u662f\u5426\u53ef\u4ee5\u8fde\u63a5\uff0c\u800c\u65e0\u9700\u5728\u63a7\u5236\u53f0\u4e2d\u663e\u793a\u8fde\u63a5\u5931\u8d25\u9519\u8bef\uff1f<\/p>\n<p><span>\u7acb\u5373\u5b66\u4e60<\/span>\u201c\u201d\uff1b<\/p>\n<p><strong>\u7b54\u6848\uff1a<\/strong><\/p>\n<p>JavaScript \u4e2d\u7684 try catch \u4e0d\u80fd\u6355\u83b7\u7684\u5f02\u5e38\u4e4b\u4e00\u662f WebSocket \u8fde\u63a5\u5931\u8d25\u3002\u8fd9\u662f\u56e0\u4e3a WebSocket \u8fde\u63a5\u5931\u8d25\u65f6\uff0c\u9519\u8bef\u5185\u90e8\u5904\u7406\u5e76\u5728\u63a7\u5236\u53f0\u4e2d\u663e\u793a\uff0c\u800c\u4e0d\u662f\u4f5c\u4e3a\u5f02\u5e38\u629b\u51fa\u3002<\/p>\n<p><strong>\u63a8\u6d4b\uff1a<\/strong><\/p>\n<p><strong>\u731c\u6d4b 1\uff1a<\/strong>WebSocket \u8fde\u63a5\u5931\u8d25\u5185\u90e8\u5904\u7406\u4e86\uff0c\u963b\u6b62\u4e86\u9519\u8bef\u88ab\u629b\u51fa\uff0c\u4ece\u800c\u5bfc\u81f4 catch \u65e0\u6cd5\u6355\u83b7\u3002<\/p>\n<p><strong>\u731c\u6d4b 2\uff1a<\/strong>\u60a8\u5e0c\u671b\u9690\u85cf\u63a7\u5236\u53f0\u4e2d\u7684\u8fde\u63a5\u5931\u8d25\u6d88\u606f\uff0c\u4ee5\u907f\u514d\u5e72\u6270\u5176\u4ed6\u4fe1\u606f\u3002<\/p>\n<p><strong>\u6f5c\u5728\u89e3\u51b3\u65b9\u6848\uff1a<\/strong><\/p>\n<ul>\n<li> <strong>\u68c0\u67e5 CANCONNECT \u5e03\u5c14\u503c\uff08\u5982\u679c\u5b58\u5728\uff09\uff1a<\/strong>\u5982\u679c WebSocket API \u63d0\u4f9b\u4e86 CANCONNECT \u7b49\u5e03\u5c14\u503c\uff0c\u5b83\u53ef\u4ee5\u6307\u793a\u8fde\u63a5\u662f\u5426\u53ef\u4ee5\u5efa\u7acb\u3002<\/li>\n<li> <strong>\u8bbe\u7f6e\u63a7\u5236\u53f0\u65e5\u5fd7\u8bb0\u5f55\u7ea7\u522b\uff1a<\/strong>\u60a8\u53ef\u4ee5\u6839\u636e\u4e25\u91cd\u6027\uff08\u4f8b\u5982\u8b66\u544a\u6216\u9519\u8bef\uff09\u8c03\u6574\u63a7\u5236\u53f0\u4e2d\u663e\u793a\u7684\u65e5\u5fd7\u4fe1\u606f\u7ea7\u522b\u3002<\/li>\n<\/ul>\n<p>\u4ee5\u4e0a\u5c31\u662fJavaScript \u4e2d\u7684 try catch \u65e0\u6cd5\u6355\u83b7 WebSocket \u8fde\u63a5\u5931\u8d25\uff1a\u5982\u4f55\u5224\u65ad WebSocket \u5730\u5740\u662f\u5426\u53ef\u8fde\u63a5\uff1f\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u8bf7\u5173\u6ce8\u7c73\u4e91\u5176\u5b83\u76f8\u5173\u6587\u7ae0\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>JavaScript \u4e2d\u7684 try catch \u65e0\u6cd5\u6355\u83b7 WebSocket \u8fde\u63a5\u5931\u8d25 \u5728 JavaScript \u4e2d\uff0ctry catch \u5757\u53ef\u7528\u4e8e\u5904\u7406\u4ee3\u7801\u4e2d\u7684\u5f02\u5e38\u5e76\u9632\u6b62\u9519\u8bef\u5728\u63a7\u5236\u53f0\u4e2d\u663e\u793a\u3002\u7136\u800c\uff0c\u5b83\u5e76\u4e0d\u662f\u4e07\u80fd\u7684\u3002 \u95ee\u9898\uff1a \u5982\u4f55\u5728 JavaScript \u4e2d\u786e\u5b9a WebSocket \u5730\u5740\u662f\u5426\u53ef\u4ee5\u8fde\u63a5\uff0c\u800c\u65e0\u9700\u5728\u63a7\u5236\u53f0\u4e2d\u663e\u793a\u8fde\u63a5\u5931\u8d25\u9519\u8bef\uff1f \u7acb\u5373\u5b66\u4e60\u201c\u201d\uff1b \u7b54\u6848\uff1a JavaScript \u4e2d\u7684 try catch \u4e0d\u80fd\u6355\u83b7\u7684\u5f02\u5e38\u4e4b\u4e00\u662f WebSocket \u8fde\u63a5\u5931\u8d25\u3002\u8fd9\u662f\u56e0\u4e3a WebSocket \u8fde\u63a5\u5931\u8d25\u65f6\uff0c\u9519\u8bef\u5185\u90e8\u5904\u7406\u5e76\u5728\u63a7\u5236\u53f0\u4e2d\u663e\u793a\uff0c\u800c\u4e0d\u662f\u4f5c\u4e3a\u5f02\u5e38\u629b\u51fa\u3002 \u63a8\u6d4b\uff1a \u731c\u6d4b 1\uff1aWebSocket \u8fde\u63a5\u5931\u8d25\u5185\u90e8\u5904\u7406\u4e86\uff0c\u963b\u6b62\u4e86\u9519\u8bef\u88ab\u629b\u51fa\uff0c\u4ece\u800c\u5bfc\u81f4 catch \u65e0\u6cd5\u6355\u83b7\u3002 \u731c\u6d4b 2\uff1a\u60a8\u5e0c\u671b\u9690\u85cf\u63a7\u5236\u53f0\u4e2d\u7684\u8fde\u63a5\u5931\u8d25\u6d88\u606f\uff0c\u4ee5\u907f\u514d\u5e72\u6270\u5176\u4ed6\u4fe1\u606f\u3002 \u6f5c\u5728\u89e3\u51b3\u65b9\u6848\uff1a \u68c0\u67e5 CANCONNECT \u5e03\u5c14\u503c\uff08\u5982\u679c\u5b58\u5728\uff09\uff1a\u5982\u679c WebSocket API \u63d0\u4f9b\u4e86 CANCONNECT \u7b49\u5e03\u5c14\u503c\uff0c\u5b83\u53ef\u4ee5\u6307\u793a\u8fde\u63a5\u662f\u5426\u53ef\u4ee5\u5efa\u7acb\u3002 \u8bbe\u7f6e\u63a7\u5236\u53f0\u65e5\u5fd7\u8bb0\u5f55\u7ea7\u522b\uff1a\u60a8\u53ef\u4ee5\u6839\u636e\u4e25\u91cd\u6027\uff08\u4f8b\u5982\u8b66\u544a\u6216\u9519\u8bef\uff09\u8c03\u6574\u63a7\u5236\u53f0\u4e2d\u663e\u793a\u7684\u65e5\u5fd7\u4fe1\u606f\u7ea7\u522b\u3002 \u4ee5\u4e0a\u5c31\u662fJavaScript \u4e2d\u7684 try catch \u65e0\u6cd5\u6355\u83b7 WebSocket \u8fde\u63a5\u5931\u8d25\uff1a\u5982\u4f55\u5224\u65ad WebSocket 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