\n| HTTP \u5ba2\u6237\u7aef \/ \u670d\u52a1\u7aef<\/td>\n | stdx.net.http<\/td>\n | stdx \u6269\u5c55\u5e93（\u7b2c 23 \u8bfe\u5df2\u914d\u597d）<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n std.net \u968f SDK \u5f00\u7bb1\u5373\u7528，\u8fd9\u662f\u5b83\u548c\u7b2c 23 \u8bfe JSON \u6700\u5927\u7684\u4e0d\u540c\u2014\u2014\u5199 socket \u4e0d\u9700\u8981\u52a8 cjpm.toml\u3002HTTP \u5219\u9700\u8981 stdx \u7684 bin-dependencies \u914d\u7f6e，\u7b2c 23 \u8bfe\u914d\u8fc7\u7684\u5de5\u7a0b\u53ef\u4ee5\u76f4\u63a5\u63a5\u7740\u7528，\u6ca1\u914d\u8fc7\u7684\u56de\u5230\u7b2c 23 \u8bfe\u7b2c\u4e8c\u8282\u7167\u505a\u4e00\u6b21\u5373\u53ef\u3002<\/p>\n
\n\u4e8c\u3001TCP：\u5199\u4e00\u4e2a\u56de\u663e\u670d\u52a1<\/h3>\n\u6700\u7ecf\u5178\u7684\u7f51\u7edc\u7a0b\u5e8f\u5165\u95e8\u9898：echo \u670d\u52a1\u2014\u2014\u5ba2\u6237\u7aef\u53d1\u4ec0\u4e48，\u670d\u52a1\u7aef\u539f\u6837\u56de\u4ec0\u4e48\u3002\u5b83\u80fd\u4e00\u6b21\u8dd1\u901a TCP \u7684\u5b8c\u6574\u6d41\u7a0b\u3002<\/p>\n 2.1 \u670d\u52a1\u7aef\u4e0e\u5ba2\u6237\u7aef\u5404\u81ea\u7684\u4e09\u6b65\u66f2<\/h4>\nTCP \u662f"\u6253\u7535\u8bdd"\u6a21\u578b，\u4e24\u8fb9\u89d2\u8272\u4e0d\u540c：<\/p>\n \u670d\u52a1\u7aef（\u63a5\u7535\u8bdd\u7684） \u5ba2\u6237\u7aef（\u6253\u7535\u8bdd\u7684）
\n\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500 \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500
\n\u2460 TcpServerSocket \u521b\u5efa \u2460 TcpSocket \u521b\u5efa
\n\u2461 bind() \u7ed1\u5b9a\u7aef\u53e3\u5f00\u59cb\u76d1\u542c \u2461 connect() \u62e8\u53f7\u5efa\u7acb\u8fde\u63a5
\n\u2462 accept() \u7b49\u6765\u7535，\u5f97\u5230\u4e00\u4e2a\u8fde\u63a5 \u2462 connect \u8fd4\u56de = \u63a5\u901a
\n \u21c5 \u7136\u540e\u53cc\u65b9 read\/write \u4e92\u53d1\u5b57\u8282 \u21c5<\/p>\n \u6ce8\u610f accept() \u548c read() \u90fd\u662f\u963b\u585e\u7684：\u6ca1\u6709\u5ba2\u6237\u7aef\u6765，accept \u5c31\u4e00\u76f4\u7b49；\u5bf9\u65b9\u6ca1\u53d1\u6570\u636e，read \u5c31\u4e00\u76f4\u7b49\u3002\u4e3a\u4e86\u8ba9\u4e00\u4e2a\u7a0b\u5e8f\u91cc\u540c\u65f6\u8dd1\u670d\u52a1\u7aef\u548c\u5ba2\u6237\u7aef，\u9700\u8981\u628a\u670d\u52a1\u7aef\u653e\u8fdb\u4e00\u4e2a\u65b0\u7ebf\u7a0b\u2014\u2014\u7528\u4ed3\u9889\u7684 spawn { … } \u5173\u952e\u5b57，\u82b1\u62ec\u53f7\u91cc\u7684\u4ee3\u7801\u4f1a\u5728\u65b0\u7ebf\u7a0b\u91cc\u5e76\u53d1\u6267\u884c（\u7b2c 26 \u8bfe\u4f1a\u4e13\u95e8\u8bb2\u5e76\u53d1，\u8fd9\u91cc\u5148\u7167\u6284）\u3002<\/p>\n 2.2 \u5b8c\u6574\u4ee3\u7801<\/h4>\n\u65b0\u5efa\u5de5\u7a0b，\u628a src\/main.cj \u5199\u6210：<\/p>\n package netdemo<\/p>\n import std.net.*<\/p>\n main(): Int64 {
\n \/\/ \u670d\u52a1\u7aef：bindAt: 0 \u8868\u793a"\u8ba9\u7cfb\u7edf\u6311\u4e00\u4e2a\u7a7a\u95f2\u7aef\u53e3"，\u907f\u514d\u548c\u522b\u7684\u7a0b\u5e8f\u649e\u8f66
\n let server = TcpServerSocket(bindAt: 0)
\n server.bind()
\n \/\/ localAddress \u662f\u62bd\u8c61\u7684 SocketAddress，\u53d6\u7aef\u53e3\u53f7\u8981\u8f6c\u6210 IPSocketAddress
\n let port = (server.localAddress as IPSocketAddress)?.port ?? 0
\n println("\u670d\u52a1\u7aef\u5df2\u542f\u52a8，\u76d1\u542c\u7aef\u53e3：${port}")<\/p>\n \/\/ \u670d\u52a1\u7aef\u903b\u8f91\u653e\u8fdb\u65b0\u7ebf\u7a0b：accept\/read \u90fd\u4f1a\u963b\u585e\u7b49\u5f85
\n spawn {
\n let conn = server.accept() \/\/ \u7b49\u5230\u4e00\u4e2a\u5ba2\u6237\u7aef\u8fde\u8fdb\u6765
\n let buf = Array<Byte>(1024, {_ => 0})
\n let n = conn.read(buf) \/\/ \u8bfb\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u5b57\u8282，\u8fd4\u56de\u5b9e\u9645\u8bfb\u5230\u7684\u4e2a\u6570
\n let msg = String.fromUtf8(buf[0..n])
\n println("\u670d\u52a1\u7aef\u6536\u5230：${msg}")
\n conn.write("echo: ${msg}".toArray()) \/\/ \u52a0\u4e2a\u524d\u7f00\u5199\u56de\u53bb
\n conn.close()
\n server.close()
\n }<\/p>\n \/\/ \u4e3b\u7ebf\u7a0b\u626e\u6f14\u5ba2\u6237\u7aef：\u5411\u670d\u52a1\u7aef\u62e8\u53f7
\n let client = TcpSocket("127.0.0.1", port)
\n client.connect()
\n println("\u5ba2\u6237\u7aef\u5df2\u8fde\u63a5：\u672c\u5730 ${client.localAddress} \u2192 \u5bf9\u7aef ${client.remoteAddress}")
\n client.write("ping".toArray()) \/\/ \u53d1\u9001\u7684\u662f\u5b57\u8282\u6570\u7ec4
\n let buf = Array<Byte>(1024, {_ => 0})
\n let n = client.read(buf)
\n println("\u5ba2\u6237\u7aef\u6536\u5230：${String.fromUtf8(buf[0..n])}")
\n client.close()
\n return 0
\n}<\/p>\n \u8fd0\u884c\u8f93\u51fa（\u7aef\u53e3\u53f7\u6bcf\u6b21\u8fd0\u884c\u90fd\u4e0d\u540c，\u8fd9\u662f\u7cfb\u7edf\u5206\u914d\u7684）：<\/p>\n \u670d\u52a1\u7aef\u5df2\u542f\u52a8，\u76d1\u542c\u7aef\u53e3：53013
\n\u5ba2\u6237\u7aef\u5df2\u8fde\u63a5：\u672c\u5730 127.0.0.1:53014 \u2192 \u5bf9\u7aef 127.0.0.1:53013
\n\u670d\u52a1\u7aef\u6536\u5230：ping
\n\u5ba2\u6237\u7aef\u6536\u5230：echo: ping<\/p>\n 2.3 \u9010\u6bb5\u89e3\u8bfb<\/h4>\n\u51e0\u4e2a\u7b2c\u4e00\u6b21\u89c1\u9762\u7684\u77e5\u8bc6\u70b9：<\/p>\n \u2460 \u7f51\u7edc\u4e0a\u7684\u6570\u636e\u53ea\u6709\u5b57\u8282，\u6ca1\u6709\u5b57\u7b26\u4e32\u3002 \u53d1\u9001\u524d\u8981\u628a\u5b57\u7b26\u4e32\u53d8\u6210\u5b57\u8282\u6570\u7ec4："ping".toArray()（UTF-8 \u7f16\u7801，\u7b2c 6 \u8bfe\u8bb2\u8fc7）；\u6536\u5230\u540e\u628a\u5b57\u8282\u5207\u7247\u8f6c\u56de\u5b57\u7b26\u4e32：String.fromUtf8(buf[0..n])\u3002\u8fd9\u4e2a"\u5b57\u7b26\u4e32 \u2194 \u5b57\u8282"\u7684\u8f6c\u6362\u662f\u6240\u6709\u7f51\u7edc\u7a0b\u5e8f\u7684\u6807\u914d\u52a8\u4f5c\u3002<\/p>\n \u2461 read(buf) \u7684\u8fd4\u56de\u503c\u5f88\u91cd\u8981\u3002 \u5b83\u628a\u6570\u636e\u586b\u8fdb\u4f60\u7ed9\u7684\u7f13\u51b2\u533a，\u8fd4\u56de\u5b9e\u9645\u8bfb\u5230\u7684\u5b57\u8282\u6570 n\u2014\u2014\u4e0d\u4e00\u5b9a\u586b\u6ee1\u6574\u4e2a\u7f13\u51b2\u533a！\u6240\u4ee5\u5207\u7247\u8981\u7528 buf[0..n] \u800c\u4e0d\u662f\u6574\u4e2a buf\u3002\u6b63\u5f0f\u7a0b\u5e8f\u91cc\u8981\u6309\u534f\u8bae\u7ea6\u5b9a\u5faa\u73af\u8bfb\u5230"\u6536\u6ee1"\u4e3a\u6b62（\u89c1 FAQ）\u3002<\/p>\n \u2462 \u7528\u5b8c\u8981 close()\u3002 socket \u662f\u64cd\u4f5c\u7cfb\u7edf\u8d44\u6e90（\u53e5\u67c4），\u4e0d\u5173\u5c31\u4f1a\u6cc4\u6f0f\u3002\u5ba2\u6237\u7aef\u5173 client，\u670d\u52a1\u7aef\u6bcf\u4e2a\u8fde\u63a5\u5173 conn，\u76d1\u542c\u53e3\u5173 server\u3002<\/p>\n \u2463 \u7aef\u53e3 0 \u7684\u5999\u7528\u3002 bindAt: 0 \u8ba9\u64cd\u4f5c\u7cfb\u7edf\u81ea\u52a8\u5206\u914d\u7a7a\u95f2\u7aef\u53e3，\u6d4b\u8bd5\u65f6\u4e0d\u7528\u64cd\u5fc3\u7aef\u53e3\u88ab\u5360\u7528；\u901a\u8fc7 localAddress \u80fd\u67e5\u5b9e\u9645\u5206\u5230\u51e0\u53f7\u3002localAddress \u7684\u7c7b\u578b\u662f\u62bd\u8c61\u7684 SocketAddress，\u8981\u7528\u7b2c 17 \u8bfe\u7684 as \u5411\u4e0b\u8f6c\u578b\u6210 IPSocketAddress \u624d\u6709 .port \u5c5e\u6027\u3002<\/p>\n \u2464 \u8fde\u63a5\u5931\u8d25\u629b SocketException\u3002 \u6bd4\u5982\u8fde\u4e00\u4e2a\u6ca1\u4eba\u76d1\u542c\u7684\u7aef\u53e3，\u4f1a\u5f97\u5230\u8fd9\u6837\u7684\u5f02\u5e38（\u5b9e\u6d4b\u6587\u6848）：<\/p>\n SocketException: Failed to connect 10061: No connection could be made because the target machine actively refused it.<\/p>\n \u9519\u8bef\u7801 10061 \u662f Windows \u7684"\u76ee\u6807\u673a\u5668\u62d2\u7edd\u8fde\u63a5"\u3002\u7528\u7b2c 10 \u8bfe\u7684 try-catch \u628a\u5b83\u515c\u4f4f，\u5c31\u80fd\u7ed9\u51fa\u53cb\u597d\u63d0\u793a\u800c\u4e0d\u662f\u76f4\u63a5\u5d29\u6e83\u3002<\/p>\n
\n\u4e09\u3001UDP：\u4e0d\u6253\u7535\u8bdd，\u5bc4\u4fe1<\/h3>\nUDP \u6ca1\u6709\u8fde\u63a5\u6982\u5ff5：\u4e0d\u9700\u8981 accept\u3001\u4e0d\u9700\u8981 connect，\u5199\u4e0a\u6536\u4ef6\u5730\u5740\u5c31\u53d1，\u5bf9\u65b9\u7ed1\u5b9a\u7aef\u53e3\u5c31\u80fd\u6536\u3002<\/p>\n 3.1 \u4e00\u53d1\u4e00\u6536\u7684\u6700\u5c0f\u4f8b\u5b50<\/h4>\npackage netdemo<\/p>\n import std.net.*<\/p>\n main(): Int64 {
\n \/\/ \u63a5\u6536\u7aef：\u7ed1\u5b9a 9999 \u7aef\u53e3\u7b49\u7740\u6536
\n let receiver = UdpSocket(bindAt: 9999)
\n receiver.bind()<\/p>\n \/\/ \u53d1\u9001\u7aef：bindAt: 0，\u7aef\u53e3\u8ba9\u7cfb\u7edf\u968f\u4fbf\u5206
\n let sender = UdpSocket(bindAt: 0)
\n sender.bind()<\/p>\n \/\/ \u6307\u5b9a\u6536\u4ef6\u5730\u5740，\u76f4\u63a5\u53d1\u2014\u2014\u6ca1\u6709"\u5efa\u7acb\u8fde\u63a5"\u8fd9\u4e00\u6b65
\n let target = IPSocketAddress.parse("127.0.0.1:9999")
\n sender.sendTo(target, "hello udp".toArray())<\/p>\n \/\/ \u6536：receiveFrom \u8fd4\u56de (\u6765\u6e90\u5730\u5740, \u5b9e\u9645\u5b57\u8282\u6570) \u5143\u7ec4
\n let buf = Array<Byte>(1024, {_ => 0})
\n let (from, n) = receiver.receiveFrom(buf)
\n println("\u6765\u81ea ${from} \u7684 ${n} \u5b57\u8282：${String.fromUtf8(buf[0..n])}")<\/p>\n sender.close()
\n receiver.close()
\n return 0
\n}<\/p>\n \u8f93\u51fa（\u6765\u6e90\u7aef\u53e3\u662f\u7cfb\u7edf\u968f\u673a\u5206\u7684）：<\/p>\n \u6765\u81ea 127.0.0.1:53619 \u7684 9 \u5b57\u8282：hello udp<\/p>\n 3.2 \u548c TCP \u5bf9\u7167\u7740\u8bb0<\/h4>\n\n\u52a8\u4f5cTCPUDP<\/tr>\n \n\n| \u521b\u5efa<\/td>\n | TcpServerSocket(bindAt: port) \/ TcpSocket(ip, port)<\/td>\n | UdpSocket(bindAt: port)<\/td>\n<\/tr>\n | \n| \u5efa\u7acb\u5173\u7cfb<\/td>\n | \u670d\u52a1\u7aef accept()\u3001\u5ba2\u6237\u7aef connect()<\/td>\n | \u6ca1\u6709，\u53cc\u65b9\u5404\u81ea bind() \u5373\u53ef<\/td>\n<\/tr>\n | \n| \u53d1<\/td>\n | write(bytes)<\/td>\n | sendTo(\u5730\u5740, bytes)<\/td>\n<\/tr>\n | \n| \u6536<\/td>\n | read(buf): Int64<\/td>\n | receiveFrom(buf): (SocketAddress, Int64)<\/td>\n<\/tr>\n | \n| \u5730\u5740\u5bf9\u8c61<\/td>\n | \u6784\u9020\u65f6\u76f4\u63a5\u7ed9 ip\u3001port<\/td>\n | IPSocketAddress.parse("ip:port")<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n \u6ce8\u610f receiveFrom \u8fd4\u56de\u7684\u662f\u5143\u7ec4（\u7b2c 11 \u8bfe）：\u7b2c\u4e00\u4e2a\u5206\u91cf\u662f\u53d1\u4ef6\u4eba\u5730\u5740\u2014\u2014UDP \u6ca1\u8fde\u63a5，\u4e0d\u9760\u8fd9\u4e2a\u8fd4\u56de\u503c\u4f60\u6839\u672c\u4e0d\u77e5\u9053\u8fd9\u5305\u662f\u8c01\u5bc4\u6765\u7684；\u60f3\u56de\u4fe1，\u628a\u521a\u624d\u7684 from \u5f53\u6536\u4ef6\u5730\u5740 sendTo \u56de\u53bb\u5c31\u884c\u3002<\/p>\n UDP \u7684\u7b80\u5355\u662f\u6709\u4ee3\u4ef7\u7684：\u53d1\u51fa\u53bb\u7684\u6570\u636e\u62a5\u53ef\u80fd\u4e22\u5931\u3001\u53ef\u80fd\u4e71\u5e8f\u3001\u91cd\u590d\u5230\u8fbe，\u534f\u8bae\u4e00\u6982\u4e0d\u7ba1\u3002\u6240\u4ee5\u5b83\u53ea\u9002\u5408"\u4e22\u4e00\u5e27\u65e0\u6240\u8c13"\u7684\u573a\u666f\u3002\u9700\u8981\u53ef\u9760\u4f20\u8f93\u65f6，\u56de\u5230 TCP\u3002<\/p>\n
\n\u56db\u3001HTTP \u5ba2\u6237\u7aef：\u4e09\u884c\u4ee3\u7801\u53d1\u4e00\u4e2a\u8bf7\u6c42<\/h3>\nsocket \u8981\u81ea\u5df1\u8bbe\u8ba1"\u5b57\u8282\u600e\u4e48\u89e3\u91ca"，\u800c HTTP \u5df2\u7ecf\u66ff\u4f60\u5b9a\u597d\u4e86\u683c\u5f0f\u3002\u65e5\u5e38\u5f00\u53d1\u4e2d\u4f60\u63a5\u89e6\u6700\u591a\u7684\u5176\u5b9e\u662f\u8fd9\u4e00\u5c42\u3002\u4ed3\u9889\u7684 HTTP \u80fd\u529b\u5728 stdx \u6269\u5c55\u5e93\u91cc（\u7b2c 23 \u8bfe\u914d\u8fc7 bin-dependencies \u7684\u5de5\u7a0b\u76f4\u63a5\u7528）\u3002<\/p>\n 4.1 GET \u8bf7\u6c42<\/h4>\n\u672c\u8282\u7684\u5ba2\u6237\u7aef\u4ee3\u7801\u8bbf\u95ee\u7684\u662f http:\/\/127.0.0.1:8080 \u4e0a\u7684\u672c\u5730\u670d\u52a1\u2014\u2014\u5b83\u7531\u7b2c\u4e94\u8282\u7684\u6700\u5c0f HTTP \u670d\u52a1\u63d0\u4f9b\u3002\u9605\u8bfb\u987a\u5e8f\u4e0d\u53d7\u5f71\u54cd，\u4f46\u8981\u4eb2\u624b\u8dd1\u901a\u7684\u8bdd，\u8bf7\u5148\u8df3\u5230\u7b2c\u4e94\u8282\u628a\u670d\u52a1\u7aef\u8dd1\u8d77\u6765（\u7ec8\u7aef\u505c\u5728 serve \u963b\u585e），\u518d\u56de\u5230\u672c\u8282\u8fd0\u884c\u5ba2\u6237\u7aef\u3002<\/p>\n package netdemo<\/p>\n import stdx.net.http.*<\/p>\n main(): Int64 {
\n let client = ClientBuilder().build() \/\/ \u5ba2\u6237\u7aef\u7528 Builder \u9020
\n let resp = client.get("http:\/\/127.0.0.1:8080\/hello")<\/p>\n println("\u72b6\u6001\u7801：${resp.status}") \/\/ UInt16，\u6bd4\u5982 200<\/p>\n \/\/ body \u662f InputStream（\u8f93\u5165\u6d41），\u8981\u8bfb\u51fa\u6765\u624d\u662f\u5185\u5bb9
\n let buf = Array<Byte>(8192, {_ => 0})
\n let n = resp.body.read(buf)
\n println("\u6b63\u6587：${String.fromUtf8(buf[0..n])}")<\/p>\n client.close()
\n return 0
\n}<\/p>\n \u914d\u5408\u7b2c\u4e94\u8282\u7684\u670d\u52a1\u8fd0\u884c，\u5b9e\u6d4b\u8f93\u51fa：<\/p>\n \u72b6\u6001\u7801：200
\n\u6b63\u6587：Hello from Cangjie!<\/p>\n \u4e09\u4e2a\u8981\u70b9：<\/p>\n \u5ba2\u6237\u7aef\u7531 ClientBuilder().build() \u521b\u5efa，\u4e0d\u662f\u76f4\u63a5 Client()（\u90a3\u6837\u7f16\u8bd1\u4f1a\u62a5 no matching constructor）\u3002Builder \u4e0a\u8fd8\u80fd\u94fe\u5f0f\u8bbe\u7f6e\u8d85\u65f6\u7b49：ClientBuilder().readTimeout(Duration.second * 10).build()\u3002<\/li>\nresp.body \u662f InputStream \u63a5\u53e3，\u4e0d\u80fd\u76f4\u63a5\u63d2\u503c\u6253\u5370（\u7f16\u8bd1\u5668\u4f1a\u63d0\u793a should implement interface 'ToString'），\u5fc5\u987b read \u5230\u5b57\u8282\u6570\u7ec4\u518d\u8f6c\u5b57\u7b26\u4e32\u2014\u2014\u548c socket \u8bfb\u6570\u636e\u662f\u540c\u4e00\u5957\u601d\u8def\u3002<\/li>\n\u7528\u5b8c client.close()\u3002<\/li>\n4.2 POST \u63d0\u4ea4\u6570\u636e<\/h4>\npost \u6709\u4e09\u4e2a\u91cd\u8f7d：\u6b63\u6587\u53ef\u4ee5\u7ed9 String\u3001Array<UInt8> \u6216 InputStream\u3002\u4f20\u5b57\u7b26\u4e32\u6700\u5e38\u7528：<\/p>\n let json = "{\\\\"name\\\\":\\\\"cangjie\\\\",\\\\"lesson\\\\":24}"
\nlet resp = client.post("http:\/\/127.0.0.1:8080\/echo", json)
\nprintln("\u63d0\u4ea4\u7ed3\u679c：${resp.status}") \/\/ \u670d\u52a1\u7aef\u5904\u7406\u6210\u529f\u4e00\u822c\u56de 200 \u6216 201<\/p>\n \u5176\u4ed6\u5e38\u7528\u65b9\u6cd5\u4e00\u4e00\u5bf9\u5e94 HTTP \u52a8\u8bcd：client.put(url, body)\u3001client.delete(url)\u3001client.head(url)\u3001client.options(url)\u3002<\/p>\n 4.3 \u8bfb\u54cd\u5e94\u5934<\/h4>\n\u54cd\u5e94\u5934\u6309\u540d\u5b57\u53d6，getFirst \u8fd4\u56de Option<String>（\u540c\u540d\u5934\u53ef\u80fd\u6709\u591a\u4e2a\u503c，\u4e5f\u6709\u4e0d\u5e26\u5934\u7684\u54cd\u5e94，\u6240\u4ee5\u662f Option）：<\/p>\n match (resp.headers.getFirst("Content-Type")) {
\n case Some(ct) => println("\u5185\u5bb9\u7c7b\u578b：${ct}")
\n case None => println("\u54cd\u5e94\u6ca1\u6709 Content-Type \u5934")
\n}<\/p>\n 4.4 \u4e00\u4e2a\u5b9e\u6d4b\u51fa\u6765\u7684\u786c\u9650\u5236：HTTPS \u8981\u914d TLS<\/h4>\n\u5982\u679c\u76f4\u63a5 client.get("https:\/\/…")，\u4f1a\u6536\u5230\u8fd9\u4e2a\u5f02\u5e38（\u5b9e\u6d4b\u6587\u6848）：<\/p>\n HttpException: TLS must be configured when HTTPS requests are sent.<\/p>\n \u610f\u601d\u662f：\u8bbf\u95ee HTTPS \u7ad9\u70b9\u5fc5\u987b\u5148\u7ed9\u5ba2\u6237\u7aef\u914d\u7f6e TLS \u8bc1\u4e66（ClientBuilder().tlsConfig(…)）\u3002\u8bc1\u4e66\u914d\u7f6e\u6d89\u53ca CA \u8bc1\u4e66\u6587\u4ef6，\u8d85\u51fa\u5165\u95e8\u8bfe\u8303\u56f4\u2014\u2014\u672c\u8bfe\u6240\u6709\u5b9e\u9a8c\u90fd\u7528 http:\/\/127.0.0.1 \u672c\u673a\u670d\u52a1，\u4e0d\u8e29\u8fd9\u4e2a\u5751\u3002\u77e5\u9053\u6709\u8fd9\u56de\u4e8b\u5373\u53ef\u3002<\/p>\n
\n\u4e94\u3001HTTP \u670d\u52a1\u7aef：\u6ce8\u518c\u8def\u5f84，\u5199\u4e0b\u54cd\u5e94<\/h3>\n\u670d\u52a1\u7aef\u540c\u6837\u662f Builder \u521b\u5efa，\u6838\u5fc3\u52a8\u4f5c\u53ea\u6709\u4e00\u4e2a：\u7ed9\u8def\u5f84\u6ce8\u518c\u5904\u7406\u51fd\u6570（handler）\u3002<\/p>\n 5.1 \u6700\u5c0f HTTP \u670d\u52a1<\/h4>\npackage netdemo<\/p>\n import stdx.net.http.*<\/p>\n main(): Int64 {
\n let server = ServerBuilder().addr("127.0.0.1").port(8080).build()<\/p>\n \/\/ \u6ce8\u518c：\u51e1\u662f\u8bf7\u6c42\u8def\u5f84 \/hello \u7684，\u90fd\u4ea4\u7ed9\u8fd9\u4e2a lambda \u5904\u7406
\n server.distributor.register("\/hello", { ctx =>
\n ctx.responseBuilder.body("Hello from Cangjie!").build()
\n })<\/p>\n println("\u670d\u52a1\u5df2\u542f\u52a8：http:\/\/127.0.0.1:8080\/hello （\u6309 Ctrl+C \u505c\u6b62）")
\n server.serve() \/\/ \u963b\u585e\u5728\u8fd9\u91cc，\u4e00\u76f4\u63a5\u5ba2
\n return 0
\n}<\/p>\n \u8dd1\u8d77\u6765\u540e，\u6253\u5f00\u6d4f\u89c8\u5668\u8bbf\u95ee http:\/\/127.0.0.1:8080\/hello，\u9875\u9762\u4e0a\u5c31\u80fd\u770b\u5230 Hello from Cangjie!\u3002\u8bbf\u95ee\u4efb\u4f55\u6ca1\u6ce8\u518c\u7684\u8def\u5f84（\u5982 \/abc），\u670d\u52a1\u7aef\u4f1a\u81ea\u52a8\u8fd4\u56de 404\u2014\u2014distributor（\u5206\u53d1\u5668）\u5185\u7f6e\u4e86\u8fd9\u4e2a\u515c\u5e95\u884c\u4e3a\u3002<\/p>\n \u4e09\u4e2a\u6838\u5fc3\u5bf9\u8c61：<\/p>\n \n\u5bf9\u8c61\u5e72\u4ec0\u4e48<\/tr>\n \n\n| server.distributor<\/td>\n | \u5206\u53d1\u5668：register(\u8def\u5f84, \u5904\u7406\u51fd\u6570) \u628a URL \u8def\u5f84\u548c handler \u7ed1\u5b9a<\/td>\n<\/tr>\n | \n| ctx（HttpContext）<\/td>\n | \u4e00\u6b21\u8bf7\u6c42\u7684\u4e0a\u4e0b\u6587：ctx.request \u62ff\u8bf7\u6c42，ctx.responseBuilder \u9020\u54cd\u5e94<\/td>\n<\/tr>\n | \n| ctx.responseBuilder<\/td>\n | \u54cd\u5e94\u6784\u9020\u5668：status()\u3001header()\u3001body() \u94fe\u5f0f\u8bbe\u7f6e，\u6700\u540e build() \u53d1\u51fa<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n handler \u7684\u6700\u540e\u4e00\u4e2a\u8868\u8fbe\u5f0f\u5c31\u662f\u8fd4\u56de\u52a8\u4f5c，build() \u8c03\u7528\u5373\u5b8c\u6210\u54cd\u5e94；\u4ed3\u9889\u5141\u8bb8 lambda \u672b\u5c3e\u8868\u8fbe\u5f0f\u7684\u8fd4\u56de\u503c\u88ab\u81ea\u52a8\u4e22\u5f03，\u6240\u4ee5\u4e0d\u9700\u8981\u989d\u5916\u5199 return\u3002<\/p>\n 5.2 \u8bfb\u8bf7\u6c42：\u65b9\u6cd5\u3001\u8def\u5f84\u3001\u6b63\u6587<\/h4>\n\u5728 handler \u91cc\u901a\u8fc7 ctx.request \u80fd\u62ff\u5230\u5ba2\u6237\u7aef\u53d1\u6765\u7684\u4e00\u5207：<\/p>\n server.distributor.register("\/echo", { ctx =>
\n let req = ctx.request
\n println("\u65b9\u6cd5=${req.method} \u8def\u5f84=${req.url} \u534f\u8bae=${req.version}")<\/p>\n \/\/ \u8bf7\u6c42\u6b63\u6587\u540c\u6837\u662f\u8f93\u5165\u6d41，\u8bfb\u51fa\u6765
\n let buf = Array<Byte>(8192, {_ => 0})
\n let n = req.body.read(buf)
\n let text = String.fromUtf8(buf[0..n])<\/p>\n ctx.responseBuilder
\n .status(201) \/\/ \u81ea\u5b9a\u4e49\u72b6\u6001\u7801
\n .header("X-Reply", "cangjie") \/\/ \u81ea\u5b9a\u4e49\u54cd\u5e94\u5934
\n .body("you sent: ${text}")
\n .build()
\n})<\/p>\n \u7528\u5ba2\u6237\u7aef\u9a8c\u8bc1（client.post("http:\/\/127.0.0.1:8080\/echo", "ping body")），\u5b9e\u6d4b\u7ed3\u679c：<\/p>\n \u670d\u52a1\u7aef\u6253\u5370：\u65b9\u6cd5=POST \u8def\u5f84=\/echo \u534f\u8bae=HTTP\/1.1
\n （\u4ee5\u53ca）req body: ping body
\n\u5ba2\u6237\u7aef\u62ff\u5230：status=201\u3001X-Reply=Some(cangjie)\u3001\u6b63\u6587 "you sent: ping body"<\/p>\n 5.3 \u6309 HTTP \u65b9\u6cd5\u5206\u6d41<\/h4>\nREST \u98ce\u683c\u7684\u670d\u52a1\u4e60\u60ef"\u540c\u4e00\u8def\u5f84\u3001\u4e0d\u540c\u65b9\u6cd5\u5e72\u4e0d\u540c\u4e8b"：GET \/todos \u67e5\u5217\u8868\u3001POST \/todos \u65b0\u589e\u3002\u5728 handler \u91cc if (req.method == "GET") \u5206\u652f\u5373\u53ef，\u4e0b\u4e00\u8282\u7684\u5b9e\u6218\u5c31\u662f\u8fd9\u4e48\u505a\u7684\u3002<\/p>\n
\n\u516d\u3001\u7efc\u5408\u5b9e\u6218：\u5f85\u529e\u6e05\u5355 JSON API<\/h3>\n\u628a\u524d\u4e09\u8bfe\u7684\u4e1c\u897f\u4e32\u8d77\u6765：HTTP（\u672c\u8bfe）\u4f20\u6570\u636e + JSON（\u7b2c 23 \u8bfe）\u505a\u683c\u5f0f + \u96c6\u5408（\u7b2c 8 \u8bfe）\u5b58\u5185\u5b58\u3002\u505a\u4e00\u4e2a\u8ff7\u4f60\u540e\u7aef：<\/p>\n \n- GET \/todos \u2192 \u8fd4\u56de\u5168\u90e8\u5f85\u529e\u7684 JSON \u6570\u7ec4；<\/li>\n
- POST \/todos \u2192 \u8bf7\u6c42\u4f53\u662f {"title":"…"}，\u670d\u52a1\u7aef\u89e3\u6790\u540e\u52a0\u8fdb\u5217\u8868，\u8fd4\u56de 201；<\/li>\n
- \u5176\u4ed6\u65b9\u6cd5 \u2192 405 Method Not Allowed\u3002<\/li>\n<\/ul>\n
\u4e3a\u4e86\u8ba9\u4f60\u4e00\u6761 cjpm run \u770b\u5230\u5b8c\u6574\u6d41\u7a0b，\u670d\u52a1\u7aef\u7528 spawn \u8d77\u5728\u540e\u53f0\u7ebf\u7a0b，\u4e3b\u7ebf\u7a0b\u5f53\u5ba2\u6237\u7aef\u8fde\u6253\u4e09\u4e2a\u8bf7\u6c42：<\/p>\n package netdemo<\/p>\n import stdx.net.http.*
\nimport stdx.encoding.json.*
\nimport std.collection.*<\/p>\n main(): Int64 {
\n \/\/ \u5185\u5b58\u91cc\u7684\u5f85\u529e\u5217\u8868（\u7a0b\u5e8f\u9000\u51fa\u5373\u4e22\u5931，\u6301\u4e45\u5316\u662f\u7b2c 22 \u8bfe\u6587\u4ef6 IO \u7684\u6d3b）
\n let todos = ArrayList<String>(["\u5b66\u4e60\u4ed3\u9889", "\u5199\u7b2c24\u8bfe"])<\/p>\n \/\/ \u2500\u2500 \u670d\u52a1\u7aef \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500
\n let server = ServerBuilder().addr("127.0.0.1").port(8082).build()
\n server.distributor.register("\/todos", { ctx =>
\n let req = ctx.request
\n if (req.method == "GET") {
\n \/\/ \u5217\u8868 \u2192 JSON \u6570\u7ec4
\n let arr = JsonArray()
\n for (t in todos) {
\n arr.add(JsonString(t))
\n }
\n ctx.responseBuilder
\n .header("Content-Type", "application\/json; charset=utf-8")
\n .body(arr.toJsonString())
\n .build()
\n return
\n }
\n if (req.method == "POST") {
\n \/\/ \u8bfb\u8bf7\u6c42\u4f53 \u2192 \u89e3\u6790 JSON \u2192 \u53d6\u51fa title
\n let buf = Array<Byte>(8192, {_ => 0})
\n let n = req.body.read(buf)
\n let obj = JsonValue.fromStr(String.fromUtf8(buf[0..n])).asObject()
\n let title = obj["title"].asString().getValue()
\n todos.add(title)
\n ctx.responseBuilder.status(201).body("{\\\\"added\\\\":\\\\"${title}\\\\"}").build()
\n return
\n }
\n ctx.responseBuilder.status(405).body("Method Not Allowed").build()
\n })
\n spawn { server.serve() }
\n sleep(500 * Duration.millisecond) \/\/ \u7b49\u670d\u52a1\u5c31\u7eea（sleep \u4e0e Duration \u6765\u81ea std.core）<\/p>\n \/\/ \u2500\u2500 \u5ba2\u6237\u7aef \u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500
\n let client = ClientBuilder().build()<\/p>\n \/\/ \u2460 GET \u5217\u8868
\n let r1 = client.get("http:\/\/127.0.0.1:8082\/todos")
\n let b1 = Array<Byte>(8192, {_ => 0})
\n let n1 = r1.body.read(b1)
\n println("GET \/todos \u2192 ${r1.status}: ${String.fromUtf8(b1[0..n1])}")<\/p>\n \/\/ \u2461 POST \u65b0\u589e\u4e00\u6761
\n let r2 = client.post("http:\/\/127.0.0.1:8082\/todos", "{\\\\"title\\\\":\\\\"\u53d1\u5e03\u6559\u7a0b\\\\"}")
\n let b2 = Array<Byte>(8192, {_ => 0})
\n let n2 = r2.body.read(b2)
\n println("POST \/todos \u2192 ${r2.status}: ${String.fromUtf8(b2[0..n2])}")<\/p>\n \/\/ \u2462 \u518d GET，\u786e\u8ba4\u65b0\u6761\u76ee\u771f\u7684\u5b58\u8fdb\u53bb\u4e86
\n let r3 = client.get("http:\/\/127.0.0.1:8082\/todos")
\n let b3 = Array<Byte>(8192, {_ => 0})
\n let n3 = r3.body.read(b3)
\n println("GET \/todos \u2192 ${r3.status}: ${String.fromUtf8(b3[0..n3])}")<\/p>\n \/\/ \u2463 \u53d1\u4e2a DELETE，\u89e6\u53d1 405 \u5206\u652f
\n let r4 = client.delete("http:\/\/127.0.0.1:8082\/todos")
\n println("DELETE \/todos \u2192 ${r4.status}")<\/p>\n client.close()
\n server.close()
\n return 0
\n}<\/p>\n \u5b9e\u6d4b\u8f93\u51fa：<\/p>\n GET \/todos \u2192 200: [
\n "\u5b66\u4e60\u4ed3\u9889",
\n "\u5199\u7b2c24\u8bfe"
\n]
\nPOST \/todos \u2192 201: {"added":"\u53d1\u5e03\u6559\u7a0b"}
\nGET \/todos \u2192 200: [
\n "\u5b66\u4e60\u4ed3\u9889",
\n "\u5199\u7b2c24\u8bfe",
\n "\u53d1\u5e03\u6559\u7a0b"
\n]
\nDELETE \/todos \u2192 405<\/p>\n （JsonArray.toJsonString() \u9ed8\u8ba4\u8f93\u51fa\u5e26\u6362\u884c\u7684\u7f8e\u5316\u683c\u5f0f，\u6240\u4ee5\u6570\u7ec4\u662f\u591a\u884c\u7684\u3002）<\/p>\n \u8fd0\u884c\u672b\u5c3e\u4f60\u53ef\u80fd\u8fd8\u4f1a\u770b\u5230\u4e00\u884c WARN … ConnectionException: Socket is closed.\u2014\u2014\u8fd9\u662f server.close() \u5173\u95ed\u76d1\u542c\u65f6\u5185\u90e8\u65e5\u5fd7\u7684\u6b63\u5e38\u566a\u97f3，\u4e0d\u5f71\u54cd\u7ed3\u679c，\u65e0\u89c6\u5373\u53ef\u3002<\/p>\n \u8fd9\u4e00\u4e2a\u7a0b\u5e8f\u91cc\u5176\u5b9e\u5df2\u7ecf\u85cf\u7740\u771f\u5b9e Web \u540e\u7aef\u7684\u5b8c\u6574\u9aa8\u67b6：\u8def\u7531\u6ce8\u518c\u3001\u65b9\u6cd5\u5206\u6d41\u3001\u8bf7\u6c42\u4f53\u89e3\u6790\u3001\u4e1a\u52a1\u6570\u636e\u8bfb\u5199\u3001JSON \u54cd\u5e94\u3001\u72b6\u6001\u7801\u8bed\u4e49\u3002\u628a\u5b83\u62c6\u6210\u4e24\u4e2a\u5de5\u7a0b（\u4e00\u4e2a\u53ea serve\u3001\u4e00\u4e2a\u53ea\u53d1\u8bf7\u6c42），\u5c31\u662f\u751f\u4ea7\u5f62\u6001\u3002<\/p>\n
\n\u4e03\u3001CIDE \u5b9e\u64cd<\/h3>\n - \u65b0\u5efa\u5de5\u7a0b：CIDE \u83dc\u5355"\u6587\u4ef6 \u2192 \u65b0\u5efa\u9879\u76ee"，\u7c7b\u578b\u9009"\u53ef\u6267\u884c\u7a0b\u5e8f"，\u9879\u76ee\u540d\u5982 netdemo\u3002<\/li>\n
- HTTP \u90e8\u5206\u8981\u914d stdx：\u672c\u8bfe\u7b2c\u4e8c\u3001\u4e09\u8282（TCP\/UDP）\u53ea\u7528 std.net，\u4e0d\u914d\u4e5f\u80fd\u8dd1；\u7b2c\u56db～\u516d\u8282\u7528\u5230 stdx.net.http，\u9700\u8981\u6309\u7b2c 23 \u8bfe\u7b2c\u4e8c\u8282\u5728 cjpm.toml \u672b\u5c3e\u8ffd\u52a0 bin-dependencies \u7684 path-option \u6307\u5411 stdx \u89e3\u538b\u76ee\u5f55\u3002<\/li>\n
- \u7c98\u8d34\u4ee3\u7801\u8fd0\u884c：\u628a\u4efb\u4e00\u8282\u4ee3\u7801\u7c98\u8d34\u8fdb src\/main.cj，\u70b9\u51fb\u8fd0\u884c（\u6216\u7ec8\u7aef cjpm run）\u3002<\/li>\n
- \u6d4f\u89c8\u5668\u8054\u52a8：\u7b2c\u4e94\u8282\u7684\u6700\u5c0f\u670d\u52a1\u8dd1\u8d77\u6765\u540e（\u7ec8\u7aef\u505c\u5728 serve \u963b\u585e），\u6253\u5f00\u6d4f\u89c8\u5668\u8bbf\u95ee http:\/\/127.0.0.1:8080\/hello \u4eb2\u773c\u770b\u54cd\u5e94；\u5728 CIDE \u91cc\u6309"\u505c\u6b62"\u7ed3\u675f\u670d\u52a1\u3002<\/li>\n
- \u9632\u706b\u5899\u63d0\u793a：\u9996\u6b21\u7ed1\u5b9a\u7aef\u53e3\u65f6 Windows \u53ef\u80fd\u5f39\u51fa"\u662f\u5426\u5141\u8bb8\u6b64\u5e94\u7528\u8bbf\u95ee\u7f51\u7edc"\u2014\u2014\u672c\u8bfe\u90fd\u662f\u672c\u673a\u56de\u73af（127.0.0.1），\u5141\u8bb8\u6216\u62d2\u7edd\u90fd\u4e0d\u5f71\u54cd\u672c\u673a\u5b9e\u9a8c\u3002<\/li>\n
\n\u516b\u3001\u5e38\u7528 API \u901f\u67e5<\/h3>\nstd.net（TCP\/UDP，\u6807\u51c6\u5e93\u81ea\u5e26）<\/p>\n \n\u7c7b\u578b \/ \u6210\u5458\u8bf4\u660e<\/tr>\n \n\n| TcpServerSocket(bindAt: port)<\/td>\n | \u521b\u5efa TCP \u76d1\u542c socket<\/td>\n<\/tr>\n | \n| .bind() \/ .accept(): TcpSocket<\/td>\n | \u7ed1\u5b9a\u5e76\u76d1\u542c \/ \u963b\u585e\u7b49\u5f85\u4e00\u4e2a\u8fde\u63a5<\/td>\n<\/tr>\n | \n| .localAddress: SocketAddress<\/td>\n | \u672c\u5730\u5730\u5740（\u8f6c IPSocketAddress \u540e\u53d6 .port）<\/td>\n<\/tr>\n | \n| TcpSocket(ip, port)<\/td>\n | \u521b\u5efa TCP \u5ba2\u6237\u7aef socket<\/td>\n<\/tr>\n | \n| .connect()<\/td>\n | \u5efa\u7acb\u8fde\u63a5（\u5931\u8d25\u629b SocketException）<\/td>\n<\/tr>\n | \n| .write(Array<Byte>) \/ .read(Array<Byte>): Int64<\/td>\n | \u53d1\u9001 \/ \u63a5\u6536（\u8fd4\u56de\u5b9e\u9645\u5b57\u8282\u6570）<\/td>\n<\/tr>\n | \n| .remoteAddress \/ .localAddress<\/td>\n | \u5bf9\u7aef \/ \u672c\u5730\u5730\u5740<\/td>\n<\/tr>\n | \n| UdpSocket(bindAt: port)<\/td>\n | \u521b\u5efa UDP socket<\/td>\n<\/tr>\n | \n| .sendTo(SocketAddress, Array<Byte>)<\/td>\n | \u5411\u6307\u5b9a\u5730\u5740\u53d1\u4e00\u4e2a\u6570\u636e\u62a5<\/td>\n<\/tr>\n | \n| .receiveFrom(buf): (SocketAddress, Int64)<\/td>\n | \u6536\u4e00\u4e2a\u6570\u636e\u62a5，\u8fd4\u56de（\u6765\u6e90\u5730\u5740，\u5b57\u8282\u6570）<\/td>\n<\/tr>\n | \n| IPSocketAddress.parse("ip:port")<\/td>\n | \u89e3\u6790\u5730\u5740\u5b57\u7b26\u4e32（\u53e6\u6709 tryParse \u8fd4\u56de Option）<\/td>\n<\/tr>\n | \n| \u901a\u7528 .close() \/ .isClosed()<\/td>\n | \u91ca\u653e\u8d44\u6e90 \/ \u67e5\u72b6\u6001<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n stdx.net.http（HTTP，\u9700 stdx）<\/p>\n \n\u7c7b\u578b \/ \u6210\u5458\u8bf4\u660e<\/tr>\n \n\n| ClientBuilder().build(): Client<\/td>\n | \u521b\u5efa\u5ba2\u6237\u7aef（\u53ef\u52a0 .readTimeout(…) \u7b49）<\/td>\n<\/tr>\n | \n| client.get(url) \/ client.delete(url)<\/td>\n | \u65e0\u6b63\u6587\u7684\u8bf7\u6c42<\/td>\n<\/tr>\n | \n| client.post(url, body) \/ client.put(url, body)<\/td>\n | body \u652f\u6301 String \/ Array<UInt8> \/ InputStream<\/td>\n<\/tr>\n | \n| resp.status: UInt16<\/td>\n | \u72b6\u6001\u7801（200 \/ 404 \/ 500\u2026）<\/td>\n<\/tr>\n | \n| resp.body: InputStream<\/td>\n | \u54cd\u5e94\u6b63\u6587，\u9700 read<\/td>\n<\/tr>\n | \n| resp.headers.getFirst(name): Option<String><\/td>\n | \u53d6\u54cd\u5e94\u5934<\/td>\n<\/tr>\n | \n| client.close()<\/td>\n | \u5173\u95ed\u5ba2\u6237\u7aef\u8fde\u63a5\u6c60<\/td>\n<\/tr>\n | \n| ServerBuilder().addr(ip).port(p).build(): Server<\/td>\n | \u521b\u5efa\u670d\u52a1\u7aef<\/td>\n<\/tr>\n | \n| server.distributor.register(path, handler)<\/td>\n | \u6ce8\u518c\u8def\u5f84\u5904\u7406\u51fd\u6570（\u672a\u6ce8\u518c\u8def\u5f84\u81ea\u52a8 404）<\/td>\n<\/tr>\n | \n| ctx.request.method \/ .url \/ .body \/ .headers<\/td>\n | \u8bfb\u8bf7\u6c42<\/td>\n<\/tr>\n | \n| ctx.responseBuilder.status(…).header(…).body(…).build()<\/td>\n | \u9020\u54cd\u5e94<\/td>\n<\/tr>\n | \n| server.serve() \/ server.close()<\/td>\n | \u542f\u52a8（\u963b\u585e）\/ \u505c\u6b62<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
\n\u4e5d\u3001\u5e38\u89c1\u95ee\u9898 FAQ<\/h3>\nQ1：\u8fd0\u884c TCP \u4ee3\u7801\u5361\u5728 accept \u6216 read \u4e0d\u52a8？ \u8fd9\u4e24\u4e2a\u65b9\u6cd5\u90fd\u662f\u963b\u585e\u7b49\u5f85：\u6ca1\u6709\u8fde\u63a5\u8fdb\u6765 accept \u4e0d\u8fd4\u56de，\u6ca1\u6709\u6570\u636e\u5230\u8fbe read \u4e0d\u8fd4\u56de\u3002\u68c0\u67e5\u5ba2\u6237\u7aef\u662f\u5426\u771f\u7684\u53d1\u8d77\u4e86 connect\/write；\u672c\u8bfe\u793a\u4f8b\u7528 spawn \u628a\u670d\u52a1\u7aef\u653e\u5230\u53e6\u4e00\u4e2a\u7ebf\u7a0b，\u5c31\u662f\u4e3a\u4e86\u907f\u514d\u4e3b\u7ebf\u7a0b\u88ab\u5b83\u5361\u6b7b\u3002<\/p>\n Q2：read(buf) \u4e3a\u4ec0\u4e48\u6709\u65f6\u8bfb\u5230\u7684\u6bd4\u9884\u671f\u5c11？ TCP \u662f\u5b57\u8282\u6d41，\u4e0d\u4fdd\u8bc1\u4e00\u6b21 read \u6b63\u597d\u6536\u6ee1\u5bf9\u65b9\u4e00\u6b21 write \u7684\u5185\u5bb9（\u53ef\u80fd\u62c6\u6210\u591a\u6b21，\u4e5f\u53ef\u80fd\u51e0\u6b21\u5408\u5e76）\u2014\u2014\u8fd9\u5c31\u662f\u6240\u8c13"\u7c98\u5305\/\u534a\u5305"\u3002\u6b63\u5f0f\u534f\u8bae\u8981\u81ea\u5e26\u8fb9\u754c（\u5982\u56fa\u5b9a\u957f\u5ea6\u3001\u5206\u9694\u7b26\u3001\u6216\u50cf HTTP \u90a3\u6837\u5148\u58f0\u660e Content-Length），\u7136\u540e\u5faa\u73af read \u76f4\u5230\u6536\u6ee1\u3002\u5165\u95e8\u9636\u6bb5\u7684\u5c0f\u6d88\u606f\u5927\u6982\u7387\u4e00\u6b21\u6536\u9f50，\u77e5\u9053\u8fd9\u4e2a\u5751\u5b58\u5728\u5373\u53ef\u3002<\/p>\n Q3：\u91cd\u590d\u542f\u52a8\u670d\u52a1\u6ca1\u62a5"\u7aef\u53e3\u88ab\u5360\u7528"，\u4f46\u65b0\u5b9e\u4f8b\u4e00\u4e2a\u8bf7\u6c42\u90fd\u6536\u4e0d\u5230？ \u8fd9\u4e0d\u662f\u7384\u5b66，\u800c\u662f\u4e00\u4e2a\u6bd4\u62a5\u9519\u66f4\u9690\u853d\u7684\u5751（\u5df2\u5b9e\u6d4b）：\u4ed3\u9889\u7684 TcpServerSocket \u9ed8\u8ba4\u5f00\u542f\u7aef\u53e3\u590d\u7528（SO_REUSEADDR），\u4e24\u4e2a\u5b9e\u4f8b bind \u540c\u4e00\u4e2a\u7aef\u53e3\u90fd\u4f1a\u6210\u529f\u2014\u2014\u7528 netstat -ano \u80fd\u770b\u5230\u4e24\u6761 LISTENING \u8bb0\u5f55\u2014\u2014\u4f46\u5ba2\u6237\u7aef\u7684\u8fde\u63a5\u4f1a\u88ab\u5176\u4e2d\u4e00\u4e2a\u5b9e\u4f8b（\u5b9e\u6d4b\u4e3a\u5148\u542f\u52a8\u7684\u90a3\u4e2a）\u5168\u90e8\u63a5\u8d70，\u53e6\u4e00\u4e2a\u5b9e\u4f8b\u9759\u9ed8\u6536\u4e0d\u5230\u4efb\u4f55\u8bf7\u6c42\u3002\u6240\u4ee5\u5f00\u53d1\u65f6\u522b\u8ba9\u4e24\u4e2a\u5b9e\u4f8b\u7528\u540c\u4e00\u7aef\u53e3；\u6d4b\u8bd5\u56fe\u7701\u4e8b\u5c31\u7528 bindAt: 0 \u8ba9\u7cfb\u7edf\u81ea\u52a8\u5206\u914d\u3002<\/p>\n \u8865\u5145：\u5982\u679c\u7ed1\u5b9a\u7cfb\u7edf\u4fdd\u7559\u6216\u9700\u8981\u7279\u6743\u7684\u7aef\u53e3（\u5b9e\u6d4b\u7528 135\u3001445），\u4f1a\u6536\u5230 10013 \u9519\u8bef\u800c\u4e0d\u662f"\u7aef\u53e3\u5360\u7528"： SocketException: Failed to bind 10013: An attempt was made to access a socket in a way forbidden by its access permissions.<\/p>\n Q4：\u8bbf\u95ee https \u7f51\u5740\u629b HttpException: TLS must be configured…？ \u89c1 4.4 \u8282：HTTPS \u9700\u8981\u7528 ClientBuilder().tlsConfig(…) \u914d\u7f6e\u8bc1\u4e66\u3002\u5165\u95e8\u5b9e\u9a8c\u8bf7\u7528\u672c\u673a http:\/\/127.0.0.1 \u670d\u52a1\u3002<\/p>\n Q5：resp.body \u76f4\u63a5 println \u62a5 should implement interface 'ToString'？ body \u662f InputStream \u6d41，\u4e0d\u662f\u5b57\u7b26\u4e32\u3002\u5148 read \u8fdb\u5b57\u8282\u6570\u7ec4\u518d String.fromUtf8，\u672c\u8bfe\u6bcf\u4e2a\u793a\u4f8b\u90fd\u662f\u8fd9\u4e48\u505a\u7684\u3002<\/p>\n Q6：\u7a0b\u5e8f\u7ed3\u675f\u65f6\u6253\u5370\u4e00\u884c WARN … ConnectionException: Socket is closed.？ \u8fd9\u662f\u5173\u95ed\u670d\u52a1\u7aef\u65f6\u5e95\u5c42\u65e5\u5fd7\u7684\u6b63\u5e38\u8f93\u51fa，\u4e0d\u662f\u9519\u8bef，\u5ffd\u7565\u5373\u53ef\u3002<\/p>\n Q7：\u5b57\u7b26\u4e32\u548c\u5b57\u8282\u6570\u7ec4\u4e4b\u95f4\u600e\u4e48\u8f6c？ \u53d1\u9001："…".toArray()（UTF-8 \u7f16\u7801）；\u63a5\u6536：String.fromUtf8(buf[0..n])\u3002\u6ce8\u610f\u5207\u7247\u8981\u7528\u5b9e\u9645\u8bfb\u5230\u7684\u957f\u5ea6 n\u3002<\/p>\n
\n\u5341\u3001\u8bfe\u540e\u7ec3\u4e60<\/h3>\n- \u5e26\u65f6\u95f4\u6233\u7684\u56de\u663e：\u6539\u9020 2.2 \u7684 echo \u670d\u52a1，\u670d\u52a1\u7aef\u56de\u5199\u65f6\u5728\u6d88\u606f\u524d\u52a0\u4e0a\u6536\u5230\u65f6\u7684\u7cfb\u7edf\u65f6\u95f4（\u63d0\u793a：import std.time.* \u540e\u7528 DateTime.now()），\u5ba2\u6237\u7aef\u6253\u5370\u5b8c\u6574\u56de\u663e\u3002<\/li>\n
- UDP \u95ee\u7b54\u673a：\u5199\u4e00\u5bf9 UDP \u7a0b\u5e8f（\u6216\u5355\u7a0b\u5e8f\u53cc socket）：\u53d1\u9001\u7aef\u53d1\u4e00\u4e2a\u6570\u5b57\u5b57\u7b26\u4e32\u5982 "7"，\u63a5\u6536\u7aef receiveFrom \u540e\u628a\u5b83\u89e3\u6790\u6210\u6574\u6570\u3001\u8ba1\u7b97\u5e73\u65b9，\u7528\u6765\u6e90\u5730\u5740 sendTo \u56de "49"；\u53d1\u9001\u7aef\u518d receiveFrom \u6253\u5370\u7b54\u6848\u3002<\/li>\n
- \u54cd\u5e94\u5934\u89c2\u5bdf\u5458：\u7528 HTTP \u5ba2\u6237\u7aef GET \u7b2c\u4e94\u8282\u81ea\u5efa\u7684 \/hello \u670d\u52a1，\u9664\u4e86\u6253\u5370\u72b6\u6001\u7801\u548c\u6b63\u6587，\u518d\u7528 resp.headers.getFirst("Content-Type") \u7684 match \u5206\u652f\u6253\u5370\u5185\u5bb9\u7c7b\u578b\u3002<\/li>\n
- \u81ea\u6211\u56de\u663e\u670d\u52a1：\u5199\u4e00\u4e2a HTTP \u670d\u52a1\u6ce8\u518c \/reflect，handler \u628a\u8bf7\u6c42\u7684 method \u548c url \u62fc\u6210\u4e00\u884c\u6587\u672c\u8fd4\u56de（\u5982 \u4f60\u53d1\u7684\u662f GET \/reflect）；\u7528\u5ba2\u6237\u7aef\u5206\u522b\u4ee5 GET \u548c POST \u8bbf\u95ee\u9a8c\u8bc1\u3002<\/li>\n
- \u7ed9\u5f85\u529e API \u52a0\u4e24\u4e2a\u7aef\u70b9：\u5728\u7b2c\u516d\u8282\u5b9e\u6218\u57fa\u7840\u4e0a：\u2460 \u6ce8\u518c \/todos\/count，GET \u8fd4\u56de {"count": 3}（\u5f53\u524d\u6761\u6570）；\u2461 \u628a 405 \u5206\u652f\u7684\u54cd\u5e94\u4e5f\u6539\u6210 JSON：{"error":"method not allowed"}，\u5e76\u628a\u72b6\u6001\u7801\u5e38\u91cf\u5199\u5728\u9876\u90e8 let STATUS_METHOD_NOT_ALLOWED: UInt16 = 405\u3002<\/li>\n
\n\u4e0b\u8282\u9884\u544a<\/h3>\n\u672c\u8bfe\u7684\u5f85\u529e API \u662f"\u4eba\u8089\u9a8c\u8bc1"\u7684\u2014\u2014\u8dd1\u4e00\u6b21\u3001\u770b\u8f93\u51fa\u3001\u51ed\u773c\u775b\u5224\u65ad\u5bf9\u4e0d\u5bf9\u3002\u529f\u80fd\u4e00\u591a，\u8fd9\u79cd\u65b9\u5f0f\u65e2\u4e0d\u9760\u8c31\u4e5f\u6ca1\u6cd5\u56de\u5f52\u3002\u7b2c 25 \u8bfe \u5355\u5143\u6d4b\u8bd5 \u5c06\u4ecb\u7ecd\u4ed3\u9889\u6807\u51c6\u5e93\u81ea\u5e26\u7684 std.unittest：@Test \u6807\u8bb0\u6d4b\u8bd5\u7528\u4f8b\u3001@Assert \u65ad\u8a00\u7ed3\u679c\u3001cjpm test \u4e00\u952e\u8dd1\u5168\u5957\u2014\u2014\u8ba9\u4f60\u7ed9\u51fd\u6570\u5199\u4e00\u4efd"\u81ea\u52a8\u5316\u7684\u8003\u5377"，\u4ee5\u540e\u6bcf\u6539\u4e00\u884c\u4ee3\u7801\u90fd\u80fd\u7acb\u523b\u77e5\u9053\u6709\u6ca1\u6709\u628a\u65e7\u529f\u80fd\u78b0\u574f\u3002<\/p>\n
\n\u7cfb\u5217\u8bf4\u660e：\u672c\u7cfb\u5217\u57fa\u4e8e Windows \u5e73\u53f0 + CIDE + \u4ed3\u9889 SDK（1.2.0）+ stdx（1.2.0-beta.02.1）\u7f16\u5199，\u6240\u6709\u4ee3\u7801\u5747\u5df2\u5b9e\u9645\u7f16\u8bd1\u8fd0\u884c\u901a\u8fc7\u3002\u5982\u9047 SDK \/ stdx \u7248\u672c\u5dee\u5f02\u5bfc\u81f4\u7684\u7ec6\u8282\u51fa\u5165，\u4ee5\u4f60\u672c\u5730\u7248\u672c\u4e3a\u51c6，\u6b22\u8fce\u8bc4\u8bba\u533a\u4ea4\u6d41\u3002<\/p>\n
\n📥 \u5de5\u5177\u4e0b\u8f7d<\/h3>\n\u672c\u7cfb\u5217\u5168\u7a0b\u4f7f\u7528\u7684\u4ed3\u9889 IDE \u2014\u2014 CIDE（\u514d\u8d39\u5f00\u6e90\u3001\u793e\u533a\u7248）：<\/p>\n \n- GitCode \u4ed3\u5e93 \/ \u5b89\u88c5\u5305\u4e0b\u8f7d：https:\/\/gitcode.com\/wp_upala\/cide<\/li>\n
- \u6253\u5f00\u9875\u9762\u540e\u8fdb\u5165 \u53d1\u884c\u7248（Releases），\u4e24\u79cd\u5305\u4efb\u9009\u5176\u4e00：\n
\n- \u5b89\u88c5\u7248：\u4e0b\u8f7d CIDE-<\u7248\u672c>-x64-Setup.exe，\u53cc\u51fb\u5b89\u88c5，\u9002\u5408\u65e5\u5e38\u957f\u671f\u4f7f\u7528；<\/li>\n
- \u514d\u5b89\u88c5\u7248（Portable）：\u4e0b\u8f7d CIDE-<\u7248\u672c>-x64-Portable.zip，\u89e3\u538b\u5230\u4efb\u610f\u76ee\u5f55\u5373\u7528，\u4e0d\u5199\u6ce8\u518c\u8868\u3001\u4e0d\u7559\u5b89\u88c5\u75d5\u8ff9，\u62f7\u5230 U \u76d8\u4e5f\u80fd\u5728\u522b\u7684\u7535\u8111\u76f4\u63a5\u8fd0\u884c（\u5305\u5185\u9644\u300a\u4f7f\u7528\u8bf4\u660e.txt\u300b）\u3002\u9002\u5408\u5148\u8bd5\u7528\u3001\u6216\u5728\u53d7\u9650\u7535\u8111\u4e0a\u5b66\u4e60\u672c\u7cfb\u5217\u8bfe\u7a0b\u3002<\/li>\n<\/ul>\n<\/li>\n
- \u4ed3\u9889 SDK \u4e0e\u6269\u5c55\u5e93 stdx \u8bf7\u524d\u5f80\u4ed3\u9889\u7f16\u7a0b\u8bed\u8a00\u5b98\u7f51\u4e0b\u8f7d：https:\/\/cangjie-lang.cn<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"
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