\u63d0\u4f9b\u5b8c\u5907\u7684\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u673a\u5236，\u786e\u4fdd\u7ed3\u6784\u5316\u6570\u636e\u5728\u5b57\u8282\u6d41\u548c\u5185\u5b58\u5bf9\u8c61\u4e4b\u95f4\u65e0\u635f\u8f6c\u6362\u3002<\/p>\n<\/li>\n
\u89e3\u51b3TCP\u5b57\u8282\u6d41\u6ca1\u6709\u8fb9\u754c\u6240\u5bfc\u81f4\u7684\u62a5\u6587\u8bfb\u53d6\u4e0d\u5b8c\u6574\u95ee\u9898\u3002<\/p>\n<\/li>\n<\/ul>\n
1.2 \u518d\u8c08\u201c\u534f\u8bae\u201d：\u7f51\u7edc\u901a\u4fe1\u4e3a\u4ec0\u4e48\u9700\u8981\u7ea6\u5b9a<\/h5>\n
\u534f\u8bae，\u8bf4\u5230\u5e95\u5c31\u662f\u4e00\u79cd\u201c\u7ea6\u5b9a\u201d\u3002<\/p>\n
Socket API\u5728\u8bfb\u5199\u6570\u636e\u65f6，\u90fd\u662f\u6309\u201c\u5b57\u7b26\u4e32\u201d\u7684\u65b9\u5f0f\u6765\u53d1\u9001\u548c\u63a5\u6536\u7684\u3002\u53ef\u5982\u679c\u6211\u4eec\u8981\u4f20\u8f93\u4e00\u4e9b\u201c\u7ed3\u6784\u5316\u7684\u6570\u636e\u201d\u5462？<\/p>\n
\u7b54\u6848\u8fd8\u662f\u90a3\u4e24\u4e2a\u5b57：\u7ea6\u5b9a\u3002\u534f\u8bae，\u5c31\u662f\u53cc\u65b9\u4e8b\u5148\u7ea6\u5b9a\u597d\u7684\u7ed3\u6784\u5316\u6570\u636e\u3002<\/p>\n
1.3 \u7f51\u7edc\u7248\u8ba1\u7b97\u5668\u7684\u534f\u8bae\u8bbe\u8ba1<\/h5>\n
\u4e3e\u4e2a\u5177\u4f53\u7684\u4f8b\u5b50：\u6211\u4eec\u8981\u5b9e\u73b0\u4e00\u4e2a\u670d\u52a1\u5668\u7248\u7684\u52a0\u6cd5\u5668\u3002\u5ba2\u6237\u7aef\u628a\u8981\u8ba1\u7b97\u7684\u4e24\u4e2a\u52a0\u6570\u53d1\u8fc7\u53bb，\u670d\u52a1\u5668\u7b97\u5b8c，\u518d\u628a\u7ed3\u679c\u8fd4\u56de\u7ed9\u5ba2\u6237\u7aef\u3002<\/p>\n
1.3.1 \u65b9\u6848\u4e00：\u8bbe\u8ba1\u901a\u4fe1\u6570\u636e\u7684\u7ea6\u5b9a\u683c\u5f0f<\/h6>\n
\u5ba2\u6237\u7aef\u53d1\u9001\u4e00\u4e2a\u5f62\u5982\u201c1+2\u201d\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n
\u8fd9\u4e2a\u5b57\u7b26\u4e32\u91cc\u6709\u4e24\u4e2a\u64cd\u4f5c\u6570，\u90fd\u662f\u6574\u578b；\u4e24\u4e2a\u6570\u5b57\u4e4b\u95f4\u6709\u4e00\u4e2a\u5b57\u7b26\u662f\u8fd0\u7b97\u7b26，\u8fd0\u7b97\u7b26\u53ea\u80fd\u662f+；\u6570\u5b57\u548c\u8fd0\u7b97\u7b26\u4e4b\u95f4\u6ca1\u6709\u7a7a\u683c\u3002<\/p>\n
1.3.2 \u65b9\u6848\u4e8c：\u8fdb\u4e00\u6b65\u5b8c\u5584\u534f\u8bae\u7ea6\u5b9a<\/h6>\n
\u5b9a\u4e49\u7ed3\u6784\u4f53\u6765\u8868\u793a\u6211\u4eec\u9700\u8981\u4ea4\u4e92\u7684\u4fe1\u606f\u3002<\/p>\n
\u53d1\u9001\u6570\u636e\u65f6，\u628a\u8fd9\u4e2a\u7ed3\u6784\u4f53\u6309\u7167\u4e00\u4e2a\u89c4\u5219\u8f6c\u6362\u6210\u5b57\u7b26\u4e32；\u63a5\u6536\u5230\u6570\u636e\u65f6，\u518d\u6309\u7167\u76f8\u540c\u7684\u89c4\u5219\u628a\u5b57\u7b26\u4e32\u8f6c\u6362\u56de\u7ed3\u6784\u4f53\u3002<\/p>\n
\u8fd9\u4e2a\u8fc7\u7a0b，\u5c31\u53eb\u201c\u5e8f\u5217\u5316\u201d\u548c\u201c\u53cd\u5e8f\u5217\u5316\u201d\u3002<\/p>\n
1.3.3 \u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316：\u8ba9\u7ed3\u6784\u5316\u6570\u636e\u80fd\u591f\u4f20\u8f93<\/h6>\n
\u65e0\u8bba\u91c7\u7528\u65b9\u6848\u4e00\u3001\u65b9\u6848\u4e8c，\u8fd8\u662f\u5176\u4ed6\u4ec0\u4e48\u65b9\u6848，\u53ea\u8981\u4fdd\u8bc1\u4e00\u7aef\u53d1\u9001\u65f6\u6784\u9020\u7684\u6570\u636e，\u5728\u53e6\u4e00\u7aef\u80fd\u591f\u88ab\u6b63\u786e\u89e3\u6790，\u5c31\u662fOK\u7684\u3002\u8fd9\u79cd\u7ea6\u5b9a，\u5c31\u662f\u5e94\u7528\u5c42\u534f\u8bae\u3002<\/p>\n
\u4e0d\u8fc7，\u4e3a\u4e86\u8ba9\u6211\u4eec\u6df1\u523b\u7406\u89e3\u534f\u8bae，\u8fd9\u6b21\u6253\u7b97\u81ea\u5b9a\u4e49\u5b9e\u73b0\u4e00\u904d\u534f\u8bae\u7684\u8fc7\u7a0b\u3002<\/p>\n
\u6211\u4eec\u91c7\u7528\u65b9\u6848\u4e8c，\u540c\u65f6\u4e5f\u8981\u4f53\u73b0\u534f\u8bae\u5b9a\u5236\u7684\u7ec6\u8282\u3002<\/p>\n
- \n
- \n
\u5f15\u5165\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u3002\u53ea\u4e0d\u8fc7\u8fd9\u6b21\u76f4\u63a5\u91c7\u7528\u73b0\u6210\u7684\u65b9\u6848，jsoncpp\u5e93\u3002<\/p>\n<\/li>\n
- \n
\u5bf9socket\u8fdb\u884c\u5b57\u8282\u6d41\u7684\u8bfb\u53d6\u5904\u7406\u3002<\/p>\n<\/li>\n<\/ul>\n
\u8fd9\u91cc\u6709\u4e2a\u5173\u952e\u70b9：\u9762\u5411\u5b57\u8282\u6d41\u7684\u65f6\u5019，\u53d1\u9001\u62a5\u6587\u7684\u6b21\u6570\u548c\u8bfb\u53d6\u62a5\u6587\u7684\u6b21\u6570，\u5e76\u4e0d\u662f\u4e25\u683c\u76841:1\u5bf9\u5e94\u5173\u7cfb\u3002<\/p>\n
\u5728TCP\u4e2d，\u8981\u8bfb\u5230\u5b8c\u6574\u7684\u62a5\u6587，\u5f97\u7531\u63a5\u6536\u65b9\u5e94\u7528\u5c42\u81ea\u5df1\u786e\u5b9a\u8fb9\u754c\u3002\u53ea\u8bfb\u53d6\u534a\u4e2a\u62a5\u6587，\u6216\u8005\u4e00\u6b21\u591a\u8bfb\u4e86\u62a5\u6587，\u8fd9\u7c7b\u95ee\u9898\u6211\u4eec\u53eb\u5b83：\u6570\u636e\u62a5\u9ecf\u62a5\u95ee\u9898\u3002<\/p>\n
TCP\u662f\u9762\u5411\u5b57\u8282\u6d41\u7684，\u6240\u4ee5\u201c\u4ec0\u4e48\u65f6\u5019\u53d1\u3001\u53d1\u591a\u5c11\u3001\u51fa\u9519\u4e86\u600e\u4e48\u529e\u201d，\u5b8c\u5168\u7531\u64cd\u4f5c\u7cfb\u7edf\u7ed3\u5408TCP\u534f\u8bae\u81ea\u4e3b\u51b3\u5b9a\u3002<\/p>\n
1.3.4 \u7f51\u7edc\u7248\u8ba1\u7b97\u5668\u7684\u6574\u4f53\u67b6\u6784<\/h6>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261020054113-6ad6fef97cbd5.png\")
<\/p>\n\u4e8c\u3001\u5f00\u53d1\u51c6\u5907：I\/O\u673a\u5236\u3001Socket\u5c01\u88c5\u4e0eJsonCpp<\/h4>\n
2.1 \u91cd\u65b0\u7406\u89e3read\u3001write\u3001recv\u4e0esend<\/h5>\n
2.1.1 TCP\u4e3a\u4ec0\u4e48\u652f\u6301\u5168\u53cc\u5de5\u901a\u4fe1<\/h6>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261020054113-6ad6fef9aae58.png\")
<\/p>\n\u5728\u4efb\u4f55\u4e00\u53f0\u4e3b\u673a\u4e0a，\u4e00\u4e2aTCP\u8fde\u63a5\u90fd\u914d\u7740\u4e24\u5957\u7f13\u51b2\u533a：\u4e00\u5957\u53d1\u9001\u7f13\u51b2\u533a，\u4e00\u5957\u63a5\u6536\u7f13\u51b2\u533a\u3002<\/p>\n
\u6b63\u56e0\u5982\u6b64，\u5185\u6838\u624d\u80fd\u5728\u53d1\u6d88\u606f\u7684\u540c\u65f6，\u4e5f\u6536\u6d88\u606f\u3002\u53d1\u4f60\u7684，\u6536\u6211\u7684，\u4e24\u6761\u901a\u9053\u5404\u8dd1\u5404\u7684，\u4e92\u4e0d\u5e72\u6270\u3002\u8fd9\u5c31\u662f\u5168\u53cc\u5de5\u3002<\/p>\n
\u4e5f\u6b63\u56e0\u4e3a\u8fd9\u4e2a\u8bbe\u8ba1，\u4e00\u4e2aTCP\u7684sockfd，\u65e2\u80fd\u8bfb，\u4e5f\u80fd\u5199，\u8bfb\u5199\u90fd\u9760\u5b83\u4e00\u4e2a\u3002\u4e0d\u9700\u8981\u50cfUDP\u90a3\u6837\u51c6\u5907\u4e24\u4e2a\u5957\u63a5\u5b57，\u4e00\u4e2aTCP\u5957\u63a5\u5b57\u5c31\u628a\u6536\u53d1\u4e24\u4ef6\u4e8b\u5168\u5305\u4e86\u3002<\/p>\n
\u81f3\u4e8e\u5b9e\u9645\u6570\u636e\u4ec0\u4e48\u65f6\u5019\u53d1\u3001\u53d1\u591a\u5c11\u3001\u51fa\u9519\u4e86\u600e\u4e48\u529e，\u7edf\u7edf\u7531TCP\u81ea\u5df1\u638c\u63a7\u3002\u5e94\u7528\u7a0b\u5e8f\u53ea\u7ba1\u628a\u6570\u636e\u585e\u8fdb\u53d1\u9001\u7f13\u51b2\u533a，\u5269\u4e0b\u7684\u8def\u7531\u3001\u91cd\u4f20\u3001\u6d41\u91cf\u63a7\u5236，TCP\u4e00\u624b\u5305\u529e\u3002<\/p>\n
\u6240\u4ee5\u5b83\u624d\u53eb\u4f20\u8f93\u63a7\u5236\u534f\u8bae\u2014\u2014\u201c\u63a7\u5236\u201d\u4e24\u4e2a\u5b57，\u4e0d\u662f\u767d\u53eb\u7684\u3002<\/p>\n
2.1.2 I\/O\u64cd\u4f5c\u7684\u672c\u8d28：\u7528\u6237\u6001\u4e0e\u5185\u6838\u6001\u4e4b\u95f4\u7684\u6570\u636e\u62f7\u8d1d<\/h6>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261020054114-6ad6fefa2ae99.png\")
<\/p>\n\u5199\u5957\u63a5\u5b57\u901a\u4fe1\u4ee3\u7801\u65f6，write\/send\u548cread\/recv\u5929\u5929\u89c1\u3002\u4f46\u522b\u88ab\u540d\u5b57\u9a97\u4e86，\u8fd9\u4e9b\u63a5\u53e3\u538b\u6839\u4e0d\u76f4\u63a5\u8ddf\u7f51\u7edc\u3001\u7f51\u5361\u6253\u4ea4\u9053\u3002\u5b83\u4eec\u7684\u6838\u5fc3\u52a8\u4f5c，\u5c31\u4e00\u4ef6\u4e8b：\u5728\u5e94\u7528\u5c42\u7f13\u51b2\u533a\u548c\u5185\u6838\u7f13\u51b2\u533a\u4e4b\u95f4，\u642c\u6570\u636e\u3002<\/p>\n
\u5e94\u7528\u5c42\u7f13\u51b2\u533a (User Space) \u00a0<—> \u00a0\u7cfb\u7edf\u8c03\u7528 (write\/read) \u00a0<—> \u00a0\u5185\u6838\u7f13\u51b2\u533a (OS Kernel)<\/p>\n
write\/send\u7684\u672c\u8d28：\u5185\u5b58\u62f7\u8d1d<\/p>\n
\u4e0a\u5c42\u8c03\u7528write(sockfd, buffer, len)，\u5b83\u5e72\u7684\u6d3b\u513f\u5f88\u5355\u7eaf，\u628a\u7528\u6237\u6001\u5e94\u7528\u5c42\u7f13\u51b2\u533a（buffer）\u91cc\u7684\u6570\u636e，\u62f7\u8d1d\u5230\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u5bf9\u5e94\u7684TCP\u53d1\u9001\u7f13\u51b2\u533a\u91cc\u3002<\/p>\n
\u6ce8\u610f，\u6570\u636e\u5e76\u6ca1\u6709\u76f4\u63a5\u53d1\u5230\u7f51\u7edc\u4e0a\u3002 write\u6210\u529f\u8fd4\u56de，\u53ea\u4ee3\u8868\u6570\u636e\u6210\u529f\u62f7\u8d1d\u8fdb\u4e86\u5185\u6838\u53d1\u9001\u7f13\u51b2\u533a，\u4e0d\u4ee3\u8868\u5bf9\u7aef\u5df2\u7ecf\u6536\u5230\u3002\u81f3\u4e8e\u4ec0\u4e48\u65f6\u5019\u53d1\u3001\u53d1\u591a\u5c11\u3001\u8d85\u65f6\u91cd\u4f20\u600e\u4e48\u5904\u7406，\u5168\u7531\u5185\u6838\u7684 TCP \u534f\u8bae\u6808\u81ea\u5df1\u62ff\u4e3b\u610f\u3002<\/p>\n
read\/recv\u7684\u672c\u8d28：\u5185\u5b58\u62f7\u8d1d\u4e0e\u540c\u6b65<\/p>\n
\u4e0a\u5c42\u8c03\u7528read(sockfd, buffer, len)，\u5b83\u5148\u7785\u4e00\u773cTCP\u63a5\u6536\u7f13\u51b2\u533a\u91cc\u6709\u6ca1\u6709\u6570\u636e\u3002<\/p>\n
\u6709\u6570\u636e，\u5c31\u628a\u5185\u6838\u63a5\u6536\u7f13\u51b2\u533a\u91cc\u7684\u5185\u5bb9，\u62f7\u8d1d\u5230\u7528\u6237\u6001\u7684\u5e94\u7528\u5c42\u7f13\u51b2\u533a（buffer）\u91cc\u3002\u6ca1\u6570\u636e，\u8c03\u7528\u901a\u5e38\u5c31\u963b\u585e\u5728\u90a3\u513f（\u963b\u585e\u6a21\u5f0f\u4e0b），\u76f4\u5230\u7f51\u5361\u6536\u5230\u7f51\u7edc\u6570\u636e\u5305\u3001\u64cd\u4f5c\u7cfb\u7edf\u628a\u5b83\u5199\u8fdb\u63a5\u6536\u7f13\u51b2\u533a，\u624d\u628a\u8c03\u7528\u5524\u9192\u3002<\/p>\n
\u901a\u4fe1\u5373\u62f7\u8d1d\u2014\u2014\u8ba1\u7b97\u673a\u4e16\u754c\u7684\u672c\u8d28<\/p>\n
\u4e24\u53f0\u4e3b\u673a\u4e4b\u95f4\u7684\u7f51\u7edc\u901a\u4fe1，\u8bf4\u5230\u5e95，\u5c31\u662f\u628a\u53d1\u9001\u65b9\u53d1\u9001\u7f13\u51b2\u533a\u91cc\u7684\u6570\u636e，\u8de8\u8fc7\u7f51\u7edc，\u62f7\u8d1d\u5230\u5bf9\u7aef\u7684\u63a5\u6536\u7f13\u51b2\u533a\u91cc\u3002<\/p>\n
\u6574\u6761\u6570\u636e\u6d41\u8f6c\u94fe\u8def\u662f\u8fd9\u6837\u7684：<\/p>\n
\u5e94\u7528\u5c42\u2192 \u5185\u6838\u53d1\u9001\u7f13\u51b2\u533a\u2192\u7f51\u5361 \u2192\u7f51\u7edc \u2192\u5bf9\u7aef\u7f51\u5361 \u2192\u5bf9\u7aef\u5185\u6838\u63a5\u6536\u7f13\u51b2\u533a \u2192\u5bf9\u7aef\u5e94\u7528\u5c42<\/p>\n
\u6bcf\u4e00\u6b65\u7684\u6838\u5fc3\u52a8\u4f5c，\u90fd\u662f\u6570\u636e\u62f7\u8d1d\u3002\u7f51\u7edc\u901a\u4fe1\u8fd9\u4ef6\u770b\u8d77\u6765\u65e0\u6bd4\u590d\u6742\u7684\u4e8b，\u62c6\u5230\u6700\u5e95\u5c42，\u4e0d\u8fc7\u662f\u4e00\u573a\u63a5\u529b\u5f0f\u7684\u6570\u636e\u642c\u8fd0\u3002<\/p>\n
2.1.3 \u4ece\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6a21\u578b\u7406\u89e3\u6570\u636e\u6536\u53d1\u8fc7\u7a0b<\/h6>\n
\u57fa\u4e8e\u5185\u6838\u7f13\u51b2\u533a\u4e0eI\/O\u7cfb\u7edf\u8c03\u7528\u7684\u5de5\u4f5c\u673a\u5236，\u7528\u6237\u8fdb\u7a0b\u548c\u64cd\u4f5c\u7cfb\u7edf\u5185\u6838\u4e4b\u95f4，\u5176\u5b9e\u6784\u6210\u4e86\u4e00\u4e2a\u5178\u578b\u7684\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6a21\u578b\u3002<\/p>\n
[\u53d1\u9001\u7aef\u5e94\u7528\u5c42] —> (\u751f\u4ea7\u8005: write) —> [\u53d1\u9001\u7f13\u51b2\u533a] —> (\u6d88\u8d39\u8005: TCP\u534f\u8bae\u6808)
\n |
\n (\u7f51\u7edc\u4f20\u8f93)
\n |
\n[\u63a5\u6536\u7aef\u5e94\u7528\u5c42] <— (\u6d88\u8d39\u8005: read) <— [\u63a5\u6536\u7f13\u51b2\u533a] <— (\u751f\u4ea7\u8005: \u7f51\u5361\/OS) <\/p>\n\u5148\u770b\u53d1\u9001\u7aef\u3002<\/p>\n
\u5e94\u7528\u5c42\u662f\u751f\u4ea7\u8005：write\u4e00\u8c03，\u6570\u636e\u5c31\u88ab\u653e\u8fdb\u53d1\u9001\u7f13\u51b2\u533a\u3002\u5199\u7684\u4eba\u53ea\u7ba1\u5f80\u91cc\u585e，\u585e\u5b8c\u5c31\u8d70\u3002<\/p>\n
TCP\u534f\u8bae\u6808\u662f\u6d88\u8d39\u8005：\u5b83\u76ef\u7740\u53d1\u9001\u7f13\u51b2\u533a，\u4ec0\u4e48\u65f6\u5019\u53d1\u3001\u53d1\u591a\u5c11，\u7531\u5b83\u81ea\u5df1\u8bf4\u4e86\u7b97\u3002\u7f13\u51b2\u533a\u91cc\u7684\u6570\u636e\u88ab\u53d6\u8d70\u3001\u6253\u5305\u3001\u9001\u4e0a\u7f51\u5361，\u751f\u4ea7\u51fa\u6765\u7684\u201c\u8d27\u201d\u624d\u7b97\u771f\u6b63\u51fa\u5e93\u3002<\/p>\n
\u518d\u770b\u63a5\u6536\u7aef，\u89d2\u8272\u6b63\u597d\u53cd\u8fc7\u6765\u3002<\/p>\n
\u7f51\u5361\u548c\u64cd\u4f5c\u7cfb\u7edf\u662f\u751f\u4ea7\u8005：\u7f51\u7edc\u6570\u636e\u5305\u4e00\u5230，\u7531\u7f51\u5361\u63a5\u6536\u3001\u64cd\u4f5c\u7cfb\u7edf\u63a5\u624b，\u5199\u8fdb\u63a5\u6536\u7f13\u51b2\u533a\u3002\u8d27\u5230\u4e86，\u5148\u5165\u5e93\u3002<\/p>\n
\u5e94\u7528\u5c42\u662f\u6d88\u8d39\u8005：read\u4e00\u8c03，\u5c31\u4ece\u63a5\u6536\u7f13\u51b2\u533a\u91cc\u628a\u6570\u636e\u53d6\u8d70\u3002\u53d6\u591a\u5c11\u3001\u4ec0\u4e48\u65f6\u5019\u53d6，\u5e94\u7528\u5c42\u81ea\u5df1\u51b3\u5b9a\u3002<\/p>\n
\u4e00\u8fdb\u4e00\u51fa，\u4e00\u5b58\u4e00\u53d6\u3002\u53d1\u9001\u7aef\u662f\u201c\u5e94\u7528\u5c42\u751f\u4ea7\u3001TCP\u6d88\u8d39\u201d，\u63a5\u6536\u7aef\u662f\u201c\u5185\u6838\u751f\u4ea7\u3001\u5e94\u7528\u5c42\u6d88\u8d39\u201d\u3002\u4e24\u5957\u751f\u4ea7\u8005\u6d88\u8d39\u8005\u6a21\u578b，\u88ab\u7f51\u7edc\u8fd9\u6839\u7ebf\u4e32\u5728\u4e00\u8d77，\u5404\u81ea\u8f6c\u5404\u81ea\u7684\u5708，\u53c8\u5f7c\u6b64\u54ac\u5408\u3002<\/p>\n
\u7406\u89e3\u4e86\u8fd9\u5c42\u6a21\u578b，\u518d\u770bwrite\u4e3a\u4ec0\u4e48\u8fd4\u56de\u4e86\u6570\u636e\u5374\u6ca1\u5230\u5bf9\u7aef\u3001read\u4e3a\u4ec0\u4e48\u6ca1\u6570\u636e\u5c31\u4f1a\u963b\u585e，\u5c31\u90fd\u987a\u7406\u6210\u7ae0\u4e86\u3002\u7f13\u51b2\u533a\u5c31\u662f\u90a3\u4e2a\u67dc\u53f0，\u751f\u4ea7\u548c\u6d88\u8d39\u7684\u8282\u594f\u5bf9\u4e0d\u4e0a，\u67dc\u53f0\u5c31\u5f97\u627f\u62c5\u7f13\u51b2\u7684\u804c\u8d23，\u6ee1\u4e86\u8981\u7b49，\u7a7a\u4e86\u4e5f\u8981\u7b49\u3002<\/p>\n
2.2 \u5c01\u88c5Socket：\u7edf\u4e00\u7f51\u7edc\u901a\u4fe1\u63a5\u53e3<\/h5>\n
\u628a\u5957\u63a5\u5b57\u7684\u5404\u79cd\u63a5\u53e3\u5c01\u88c5\u6210\u4e00\u4e2a\u7c7b，\u63a5\u4e0b\u6765\u7684\u4ee3\u7801\u5199\u8d77\u6765\u4f1a\u987a\u624b\u5f88\u591a\u3002<\/p>\n
2.2.1 \u8bbe\u8ba1\u6a21\u5f0f：\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f<\/h6>\n
\u57fa\u7c7b\u5b9a\u597d\u4e00\u5957\u6a21\u677f，\u540c\u65f6\u63d0\u4f9b\u4e00\u4e2a\u5b8c\u6574\u7684\u7ec4\u5408\u8c03\u7528\u63a5\u53e3，\u5177\u4f53\u529f\u80fd\u4ea4\u7ed9\u5b50\u7c7b\u53bb\u5b9e\u73b0，\u8fd9\u5c31\u662f\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u3002<\/p>\n
class Socket
\n{
\npublic:
\n virtual void CreateSocket() = 0;
\n virtual void BindSocket() = 0;
\n virtual void ListenSocket() = 0;
\n virtual void ConnectSocket() = 0;
\n virtual void AcceptSocket() = 0;
\n virtual void RecvMessage() = 0;
\n virtual void SendMessage() = 0;
\n virtual void GetSockFd() = 0;
\n virtual void Close() = 0;<\/p>\npublic:
\n void TcpClientSocketMethod()
\n {
\n CreateSocket();
\n }
\n void TcpServerSocketMethod()
\n {
\n CreateSocket();
\n BindSocket();
\n ListenSocket();
\n }<\/p>\nprivate:
\n int _listensockfd;
\n}; <\/p>\n\u5199\u6a21\u677f\u65b9\u6cd5\u6a21\u5f0f\u7684\u65f6\u5019，\u6709\u4e2a\u5c0f\u6280\u5de7：\u5148\u628a\u9700\u8981\u7684\u51fd\u6570\u7edf\u7edf\u8bbe\u6210void\u8fd4\u56de\u503c\u3001void\u53c2\u6570\u7684\u5f62\u5f0f，\u628a\u9aa8\u67b6\u642d\u51fa\u6765，\u7b49\u5b9e\u73b0\u5b8c\u4e86，\u518d\u56de\u5934\u6539\u8fd4\u56de\u503c\u548c\u53c2\u6570\u3002<\/p>\n
2.2.2 Socket.hpp：\u5c01\u88c5\u5b9e\u73b0\u4e0e\u6e90\u7801\u89e3\u6790<\/h5>\n
#ifndef __SOCKET__
\n#define __SOCKET__<\/p>\n#include "Log.hpp"
\n#include "Common.hpp"
\n#include "InetAddr.hpp"<\/p>\nusing namespace LogModule;
\nusing namespace InetAddrModule;<\/p>\nnamespace SocketModule
\n{
\n const int DEFAULT_BACKLOG = 258;<\/p>\nclass Socket
\n {
\n public:
\n virtual void CreateSocket() = 0;
\n virtual bool BindSocket(InetAddr &Server) = 0;
\n virtual bool ListenSocket(int backlog = DEFAULT_BACKLOG) = 0;
\n virtual bool ConnectSocket(InetAddr &peer) = 0;
\n virtual std::shared_ptr<Socket> AcceptSocket(InetAddr &client) = 0;
\n virtual int RecvMessage(std::string *Message) = 0;
\n virtual bool SendMessage(const std::string &Message) = 0;
\n virtual int GetSockFd() = 0;
\n virtual void Close() = 0;<\/p>\npublic:
\n void TcpClientSocketMethod()
\n {
\n CreateSocket();
\n }<\/p>\nvoid TcpServerSocketMethod(InetAddr &Server,
\n int backlog = DEFAULT_BACKLOG)
\n {
\n CreateSocket();
\n BindSocket(Server);
\n ListenSocket(backlog);
\n }<\/p>\nprivate:
\n int _listensockfd;
\n };<\/p>\nclass TcpSocket : public Socket
\n {
\n public:
\n TcpSocket(int listensockfd = 0)
\n : _listensockfd(listensockfd)
\n {}<\/p>\n~TcpSocket()
\n {}<\/p>\nvoid CreateSocket()
\n {
\n _listensockfd = ::socket(AF_INET, SOCK_STREAM, 0);
\n if (_listensockfd < 0)
\n {
\n LOG(LEVEL::FATAL) << "\u81f4\u547d！\u5957\u63a5\u5b57\u521b\u5efa\u5931\u8d25\u3002" << CAGE;
\n exit(SOCKET_ERR);
\n }
\n }<\/p>\nbool BindSocket(InetAddr &Server)
\n {
\n int n = ::bind(_listensockfd, Server.GetSockaddrPtr(),
\n Server.GetSockLine());
\n if (n == -1)
\n {
\n LOG(LEVEL::FATAL) << "\u81f4\u547d！\u7ed1\u5b9a\u5957\u63a5\u5b57\u5931\u8d25\u3002" << CAGE;
\n exit(BIND_ERR);
\n }
\n return true;
\n }<\/p>\nbool ListenSocket(int backlog = DEFAULT_BACKLOG)
\n {
\n int n = ::listen(_listensockfd, backlog);
\n if (n == -1)
\n {
\n LOG(LEVEL::FATAL) << "\u81f4\u547d！\u76d1\u542c\u5957\u63a5\u5b57\u5931\u8d25\u3002" << CAGE;
\n exit(LISTEN_ERR);
\n }
\n return true;
\n }<\/p>\nbool ConnectSocket(InetAddr &peer)
\n {
\n int n = ::connect(_listensockfd, peer.GetSockaddrPtr(),
\n peer.GetSockLine());
\n if (n == -1)
\n {
\n LOG(LEVEL::FATAL) << "\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668\u5931\u8d25！" << CAGE;
\n exit(CONNECT__ERR);
\n }
\n return true;
\n }<\/p>\nstd::shared_ptr<Socket> AcceptSocket(InetAddr &client)
\n {
\n sockaddr_in peer;
\n socklen_t len = sizeof(peer);<\/p>\nint _sockfd = ::accept(_listensockfd, (sockaddr *)&peer, &len);
\n if (_sockfd < 0)
\n {
\n LOG(LEVEL::FATAL) << "\u670d\u52a1\u5668\u83b7\u53d6\u8fde\u63a5\u5931\u8d25！" << CAGE;
\n exit(ACCEPT_ERR);
\n }<\/p>\nstd::shared_ptr<Socket> ptr =
\n std::make_shared<TcpSocket>(_sockfd);
\n client.SetAddr(peer);
\n return ptr;
\n }<\/p>\nint RecvMessage(std::string *Message)
\n {
\n char buffer[4096];
\n int n = ::recv(GetSockFd(), buffer, sizeof(buffer) – 1, 0);
\n if (n > 0)
\n {
\n buffer[n] = '\\\\0';
\n *Message = buffer;
\n }
\n else
\n {
\n Message->clear();
\n }
\n return n;
\n }<\/p>\nbool SendMessage(const std::string &Message)
\n {
\n LOG(LEVEL::DEBUG) << "\u5982\u679c\u80fd\u770b\u5230\u8fd9\u53e5，\u8bf4\u660e\u8fdb\u5165\u4e86\u53d1\u9001\u8bf7\u6c42\u4e32" << CAGE;<\/p>\nint n = ::send(GetSockFd(),
\n Message.c_str(), Message.size(), 0);
\n if (n == -1)
\n {
\n LOG(LEVEL::DEBUG) << "\u53d1\u9001\u8bf7\u6c42\u4e32\u5931\u8d25" << CAGE;
\n return false;
\n }<\/p>\nLOG(LEVEL::DEBUG) << "\u53d1\u9001\u8bf7\u6c42\u4e32\u6210\u529f" << CAGE;
\n return true;
\n }<\/p>\nint GetSockFd() { return _listensockfd; }<\/p>\n
void Close() { ::close(_listensockfd); }<\/p>\n
private:
\n int _listensockfd;
\n };
\n}<\/p>\n#endif <\/p>\n
2.3 \u8ba4\u8bc6JsonCpp：\u8f7b\u91cf\u7ea7JSON\u5904\u7406\u5de5\u5177<\/h5>\n
\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7684\u5de5\u5177\u4e0d\u5c11\u3002protobuf\u662f\u8c37\u6b4c\u5f00\u6e90\u7684\u4e00\u5957\u65b9\u6848，\u5728\u5f88\u591a\u516c\u53f8\u91cc\u7528\u5f97\u76f8\u5f53\u5e7f\u6cdb，\u6b64\u65b9\u4ee5\u540e\u4e5f\u4f1a\u4e13\u95e8\u5b66\u4e60\u548c\u51fa\u535a\u6587\u3002XML\u662f\u8001\u724c\u65b9\u6848，\u5982\u4eca\u4f7f\u7528\u573a\u666f\u76f8\u5bf9\u5c11\u4e86\u4e00\u4e9b\u3002<\/p>\n
\u90a3\u4e3a\u4ec0\u4e48\u8fd9\u6b21\u9009jsoncpp？\u56e0\u4e3a\u5b83\u8d85\u7ea7\u8f7b\u91cf，\u5b66\u4e60\u6210\u672c\u4f4e\u5230\u51e0\u4e4e\u53ef\u4ee5\u5ffd\u7565\u3002<\/p>\n
2.3.1 JsonCpp\u662f\u4ec0\u4e48<\/h6>\n
Jsoncpp\u662f\u4e00\u4e2a\u5904\u7406JSON\u6570\u636e\u7684C++\u5e93\u3002\u5b83\u63d0\u4f9b\u4e24\u5927\u80fd\u529b：\u628aJSON\u6570\u636e\u5e8f\u5217\u5316\u6210\u5b57\u7b26\u4e32，\u4ee5\u53ca\u628a\u5b57\u7b26\u4e32\u53cd\u5e8f\u5217\u5316\u6210C++\u6570\u636e\u7ed3\u6784\u3002\u5f00\u6e90，\u5e7f\u6cdb\u7528\u4e8e\u5404\u79cd\u9700\u8981\u5904\u7406JSON\u7684C++\u9879\u76ee\u3002<\/p>\n
2.3.2 JsonCpp\u7684\u4e3b\u8981\u7279\u70b9<\/h6>\n
- \n
- \n
\u7b80\u5355\u6613\u7528：API\u8bbe\u8ba1\u76f4\u89c2，\u5904\u7406JSON\u6570\u636e\u4e0d\u7ed5\u5f2f\u5b50\u3002<\/p>\n<\/li>\n
- \n
\u9ad8\u6027\u80fd：\u7ecf\u8fc7\u4f18\u5316，\u5927\u91cfJSON\u6570\u636e\u4e5f\u80fd\u9ad8\u6548\u5904\u7406\u3002<\/p>\n<\/li>\n
- \n
\u5168\u9762\u652f\u6301：JSON\u6807\u51c6\u91cc\u7684\u6240\u6709\u6570\u636e\u7c7b\u578b，\u5bf9\u8c61\u3001\u6570\u7ec4\u3001\u5b57\u7b26\u4e32\u3001\u6570\u5b57\u3001\u5e03\u5c14\u503c\u3001null，\u7edf\u7edf\u652f\u6301\u3002<\/p>\n<\/li>\n
- \n
\u9519\u8bef\u5904\u7406：\u89e3\u6790JSON\u65f6，\u63d0\u4f9b\u8be6\u7ec6\u7684\u9519\u8bef\u4fe1\u606f\u548c\u4f4d\u7f6e，\u8c03\u8bd5\u8d77\u6765\u6709\u8ff9\u53ef\u5faa\u3002<\/p>\n<\/li>\n<\/ul>\n
\u4e0b\u9762\u8be6\u7ec6\u4ecb\u7ecdJsoncpp\u4e2d\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7684\u64cd\u4f5c\u3002<\/p>\n
2.3.3 \u5b89\u88c5JsonCpp<\/h5>\n
Ubuntu：<\/p>\n
sudo apt-get install libjsoncpp-dev <\/p>\n
CentOS：<\/h6>\n
sudo yum install jsoncpp-devel <\/p>\n
2.3.4 JSON\u5e8f\u5217\u5316：\u5c06\u7ed3\u6784\u5316\u6570\u636e\u8f6c\u6362\u4e3a\u6587\u672c<\/h6>\n
\u5e8f\u5217\u5316，\u5c31\u662f\u628a\u6570\u636e\u7ed3\u6784\u6216\u5bf9\u8c61\u8f6c\u6362\u6210\u4e00\u79cd\u4fbf\u4e8e\u7f51\u7edc\u4f20\u8f93\u6216\u6587\u4ef6\u5b58\u50a8\u7684\u683c\u5f0f\u3002Jsoncpp \u63d0\u4f9b\u4e86\u591a\u79cd\u5e8f\u5217\u5316\u65b9\u5f0f\u3002<\/p>\n
2.3.4.1 \u4f7f\u7528Json::Value\u7684toStyledString()\u65b9\u6cd5<\/h6>\n
\u628aJson::Value\u5bf9\u8c61\u76f4\u63a5\u8f6c\u6210\u5e26\u683c\u5f0f\u7684JSON\u5b57\u7b26\u4e32：<\/p>\n
#include <iostream>
\n#include <string>
\n#include <jsoncpp\/json\/json.h><\/p>\nint main() {
\n Json::Value root;
\n root["name"] = "joe";
\n root["sex"] = "\u7537";<\/p>\nstd::string s = root.toStyledString();
\n std::cout << s << std::endl;
\n return 0;
\n} <\/p>\n2.3.4.2 \u4f7f\u7528Json::StreamWriterBuilder\u4e0ewriteString()（\u63a8\u8350）<\/h6>\n
\u8fd9\u79cd\u65b9\u5f0f\u63d0\u4f9b\u4e86\u66f4\u591a\u5b9a\u5236\u9009\u9879，\u6bd4\u5982\u7f29\u8fdb\u3001\u6362\u884c\u7b26\u7b49：<\/p>\n
#include <string>
\n#include <sstream>
\n#include <memory>
\n#include <jsoncpp\/json\/json.h><\/p>\nint main()
\n{
\n Json::Value root;
\n root["name"] = "joe";
\n root["sex"] = "\u7537";<\/p>\nJson::StreamWriterBuilder builder; \/\/ StreamWriter \u7684\u5de5\u5382
\n std::unique_ptr<Json::StreamWriter> writer(builder.newStreamWriter());<\/p>\nstd::stringstream ss;
\n writer->write(root, &ss);
\n std::cout << ss.str() << std::endl;
\n return 0;
\n} <\/p>\n\u8f93\u51fa：<\/p>\n
{
\n "name" : "joe",
\n "sex" : "\u7537"
\n} <\/p>\n2.3.4.3 FastWriter\u4e0eStyledWriter\u7b49\u65e7\u63a5\u53e3<\/h6>\n
FastWriter\u66f4\u5feb，\u4e0d\u989d\u5916\u6dfb\u52a0\u7a7a\u683c\u548c\u6362\u884c；StyledWriter\u5219\u8f93\u51fa\u683c\u5f0f\u5316\u540e\u7684\u5b57\u7b26\u4e32\u3002<\/p>\n
#include <iostream>
\n#include <string>
\n#include <jsoncpp\/json\/json.h><\/p>\nint main()
\n{
\n Json::Value root;
\n root["name"] = "joe";
\n root["sex"] = "\u7537";<\/p>\n\/\/ \u4f7f\u7528 FastWriter
\n Json::FastWriter writer;
\n std::string s = writer.write(root);
\n std::cout << s << std::endl;<\/p>\n\/\/ \u4f7f\u7528 StyledWriter
\n Json::StyledWriter styled;
\n std::string s2 = styled.write(root);
\n std::cout << s2 << std::endl;<\/p>\nreturn 0;
\n} <\/p>\nFastWriter\u8f93\u51fa：<\/p>\n
{"name":"joe","sex":"\u7537"} <\/p>\n
StyledWriter\u8f93\u51fa：<\/p>\n
{
\n "name" : "joe",
\n "sex" : "\u7537"
\n} <\/p>\n2.3.5 JSON\u53cd\u5e8f\u5217\u5316：\u4ece\u6587\u672c\u8fd8\u539f\u7ed3\u6784\u5316\u6570\u636e<\/h6>\n
\u53cd\u5e8f\u5217\u5316，\u5c31\u662f\u628a\u5e8f\u5217\u5316\u4e4b\u540e\u7684\u5b57\u7b26\u4e32，\u91cd\u65b0\u8fd8\u539f\u6210\u539f\u6765\u7684\u6570\u636e\u7ed3\u6784\u6216\u5bf9\u8c61\u3002Jsoncpp\u63d0\u4f9b\u4e86\u4e0b\u9762\u8fd9\u4e9b\u65b9\u6cd5\u6765\u505a\u8fd9\u4ef6\u4e8b\u3002<\/p>\n
2.3.5.1 \u4f7f\u7528Json::Reader\u65e7\u63a5\u53e3<\/h6>\n
\u8fd9\u79cd\u65b9\u5f0f\u80fd\u63d0\u4f9b\u8be6\u7ec6\u7684\u9519\u8bef\u4fe1\u606f\u548c\u51fa\u9519\u4f4d\u7f6e，\u8c03\u8bd5\u7684\u65f6\u5019\u7279\u522b\u987a\u624b\u3002<\/p>\n
#include <iostream>
\n#include <string>
\n#include <jsoncpp\/json\/json.h><\/p>\nint main() {
\n \/\/ JSON \u5b57\u7b26\u4e32
\n std::string json_string = "{\\\\"name\\\\":\\\\"\u5f20\u4e09\\\\", \\\\"age\\\\":30, \\\\"city\\\\":\\\\"\u5317\u4eac\\\\"}";<\/p>\n\/\/ \u89e3\u6790 JSON \u5b57\u7b26\u4e32
\n Json::Reader reader;
\n Json::Value root;<\/p>\n\/\/ \u4ece\u5b57\u7b26\u4e32\u4e2d\u8bfb\u53d6 JSON \u6570\u636e
\n bool parsingSuccessful = reader.parse(json_string, root);
\n if (!parsingSuccessful) {
\n \/\/ \u89e3\u6790\u5931\u8d25，\u8f93\u51fa\u9519\u8bef\u4fe1\u606f
\n std::cout << "Failed to parse JSON: " << reader.getFormattedErrorMessage() << std::endl;
\n return 1;
\n }<\/p>\n\/\/ \u8bbf\u95ee JSON \u6570\u636e
\n std::string name = root["name"].asString();
\n int age = root["age"].asInt();
\n std::string city = root["city"].asString();<\/p>\n\/\/ \u8f93\u51fa\u7ed3\u679c
\n std::cout << "Name: " << name << std::endl;
\n std::cout << "Age: " << age << std::endl;
\n std::cout << "City: " << city << std::endl;<\/p>\nreturn 0;
\n} <\/p>\n\u8f93\u51fa\u7ed3\u679c：<\/p>\n
Name: \u5f20\u4e09
\nAge: 30
\nCity: \u5317\u4eac <\/p>\n2.3.5.2 \u4f7f\u7528Json::CharReaderBuilder\u521b\u5efa\u89e3\u6790\u5668<\/h6>\n
\u6709\u65f6\u5019，\u4f60\u53ef\u80fd\u9700\u8981\u5bf9\u89e3\u6790\u8fc7\u7a0b\u505a\u66f4\u7cbe\u7ec6\u7684\u63a7\u5236，\u90a3\u5c31\u5f97\u76f4\u63a5\u4f7f\u7528Json::CharReader\u7684\u6d3e\u751f\u7c7b\u3002\u4f46\u5927\u591a\u6570\u60c5\u51b5\u4e0b，\u7528Json::parseFromStream\u6216\u8005Json::Reader\u7684parse\u65b9\u6cd5\u5c31\u8db3\u591f\u4e86，\u6ca1\u5fc5\u8981\u628a\u4e8b\u60c5\u641e\u590d\u6742\u3002<\/p>\n
\u8fd9\u91cc\u6709\u4e2a\u7406\u89e3\u4e0a\u7684\u5173\u952e\u70b9：Json::Value\u662f\u4ecb\u4e8e\u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316\u7ed3\u679c\u4e4b\u95f4\u7684\u90a3\u4e2a\u201c\u4ecb\u8d28\u201d\u3002 \u5e8f\u5217\u5316\u65f6，\u6570\u636e\u5148\u88c5\u8fdbJson::Value，\u518d\u8f6c\u6210\u5b57\u7b26\u4e32；\u53cd\u5e8f\u5217\u5316\u65f6，\u5b57\u7b26\u4e32\u5148\u89e3\u6790\u8fdbJson::Value，\u518d\u4ece\u91cc\u9762\u53d6\u503c\u3002\u4e00\u8fdb\u4e00\u51fa，\u5b83\u90fd\u662f\u90a3\u4e2a\u4e2d\u8f6c\u7ad9\u3002<\/p>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261020054115-6ad6fefb52dd0.png\")
<\/p>\n2.3.6 Json::Value\u8865\u5145：\u5e38\u7528\u64cd\u4f5c\u4e0e\u6570\u636e\u8bbf\u95ee（\u9009\u8bfb）<\/h6>\n
Json::Value（Jsoncpp）API \u6574\u7406<\/p>\n
Json::Value\u662fJsoncpp\u5e93\u91cc\u7684\u6838\u5fc3\u7c7b，JSON\u6570\u636e\u7684\u8868\u793a\u548c\u64cd\u4f5c，\u5168\u9760\u5b83\u6491\u7740\u3002<\/p>\n
2.3.6.1 \u6784\u9020\u4e0e\u521d\u59cb\u5316<\/h6>\n
- \n
- Json::Value()：\u9ed8\u8ba4\u6784\u9020，\u9020\u51fa\u4e00\u4e2a\u7a7a\u7684Json::Value\u5bf9\u8c61\u3002<\/li>\n
- Json::Value(ValueType type, bool allocated = false)：\u6309\u7ed9\u5b9a\u7684ValueType\u521b\u5efa\u5bf9\u8c61，\u6bd4\u5982nullValue\u3001intValue\u3001stringValue\u8fd9\u4e9b\u3002<\/li>\n<\/ul>\n
2.3.6.2 \u5143\u7d20\u8bbf\u95ee<\/h6>\n
- \n
- Json::Value& operator[](const char* key)：\u7528\u5b57\u7b26\u4e32\u952e\u8bbf\u95ee\u5bf9\u8c61\u91cc\u7684\u5143\u7d20\u3002\u952e\u4e0d\u5b58\u5728？\u90a3\u5c31\u5f53\u573a\u65b0\u5efa\u4e00\u4e2a\u3002<\/li>\n
- Json::Value& operator[](const std::string& key)：\u540c\u4e0a，\u53ea\u4e0d\u8fc7\u952e\u7684\u7c7b\u578b\u6362\u6210\u4e86std::string\u3002<\/li>\n
- Json::Value& operator[](ArrayIndex index)：\u7528\u7d22\u5f15\u8bbf\u95ee\u6570\u7ec4\u5143\u7d20\u3002\u7d22\u5f15\u8d8a\u754c？\u7167\u6837\u65b0\u5efa\u4e00\u4e2a\u3002<\/li>\n
- Json::Value& at(const char* key)：\u7528\u5b57\u7b26\u4e32\u952e\u8bbf\u95ee\u5bf9\u8c61\u5143\u7d20，\u952e\u4e0d\u5b58\u5728\u5c31\u629b\u5f02\u5e38，\u7edd\u4e0d\u6084\u6084\u65b0\u5efa\u3002<\/li>\n
- Json::Value& at(const std::string& key)：\u540c\u4e0a，\u952e\u7684\u7c7b\u578b\u662fstd::string\u3002<\/li>\n<\/ul>\n
2.3.6.3 \u7c7b\u578b\u68c0\u67e5<\/h6>\n
- \n
- bool isNull()：\u662f\u4e0d\u662fnull\u3002<\/li>\n
- bool isBool()：\u662f\u4e0d\u662f\u5e03\u5c14\u7c7b\u578b\u3002<\/li>\n
- bool isInt()：\u662f\u4e0d\u662f\u6574\u6570\u7c7b\u578b\u3002<\/li>\n
- bool isInt64()：\u662f\u4e0d\u662f64\u4f4d\u6574\u6570\u7c7b\u578b\u3002<\/li>\n
- bool isUInt()：\u662f\u4e0d\u662f\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b\u3002<\/li>\n
- bool isUInt64()：\u662f\u4e0d\u662f64\u4f4d\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b\u3002<\/li>\n
- bool isIntegral()：\u662f\u4e0d\u662f\u6574\u6570，\u6216\u8005\u80fd\u8f6c\u6210\u6574\u6570\u7684\u6d6e\u70b9\u6570\u3002<\/li>\n
- bool isDouble()：\u662f\u4e0d\u662f\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570\u3002<\/li>\n
- bool isNumeric()：\u662f\u4e0d\u662f\u6570\u5b57，\u6574\u6570\u548c\u6d6e\u70b9\u6570\u90fd\u7b97\u3002<\/li>\n
- bool isString()：\u662f\u4e0d\u662f\u5b57\u7b26\u4e32\u3002<\/li>\n
- bool isArray()：\u662f\u4e0d\u662f\u6570\u7ec4\u3002<\/li>\n
- bool isObject()：\u662f\u4e0d\u662f\u5bf9\u8c61，\u4e5f\u5c31\u662f\u952e\u503c\u5bf9\u7684\u96c6\u5408\u3002<\/li>\n<\/ul>\n
2.3.6.4 \u8d4b\u503c\u4e0e\u7c7b\u578b\u8f6c\u6362<\/h6>\n
- \n
- Json::Value& operator=(bool value)：\u628a\u5e03\u5c14\u503c\u8d4b\u7ed9Json::Value\u5bf9\u8c61\u3002<\/li>\n
- Json::Value& operator=(int value)：\u8d4b\u6574\u6570\u3002<\/li>\n
- Json::Value& operator=(unsigned int value)：\u8d4b\u65e0\u7b26\u53f7\u6574\u6570\u3002<\/li>\n
- Json::Value& operator=(Int64 value)：\u8d4b64\u4f4d\u6574\u6570\u3002<\/li>\n
- Json::Value& operator=(UInt64 value)：\u8d4b64\u4f4d\u65e0\u7b26\u53f7\u6574\u6570\u3002<\/li>\n
- Json::Value& operator=(double value)：\u8d4b\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570\u3002<\/li>\n
- Json::Value& operator=(const char* value)：\u8d4bC\u5b57\u7b26\u4e32\u3002<\/li>\n
- Json::Value& operator=(const std::string& value)：\u8d4bstd::string\u3002<\/li>\n
- bool asBool()：\u5c3d\u53ef\u80fd\u8f6c\u6210\u5e03\u5c14\u7c7b\u578b\u3002<\/li>\n
- int asInt()：\u5c3d\u53ef\u80fd\u8f6c\u6210\u6574\u6570\u7c7b\u578b\u3002<\/li>\n
- Int64 asInt64()：\u5c3d\u53ef\u80fd\u8f6c\u621064\u4f4d\u6574\u6570\u7c7b\u578b\u3002<\/li>\n
- unsigned int asUInt()：\u5c3d\u53ef\u80fd\u8f6c\u6210\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b\u3002<\/li>\n
- UInt64 asUInt64()：\u5c3d\u53ef\u80fd\u8f6c\u621064\u4f4d\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b\u3002<\/li>\n
- double asDouble()：\u5c3d\u53ef\u80fd\u8f6c\u6210\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u6570\u7c7b\u578b\u3002<\/li>\n
- std::string asString()：\u5c3d\u53ef\u80fd\u8f6c\u6210\u5b57\u7b26\u4e32\u7c7b\u578b\u3002<\/li>\n<\/ul>\n
2.3.6.5 JSON\u6570\u7ec4\u4e0e\u5bf9\u8c61\u64cd\u4f5c<\/h6>\n
- \n
- size_t size()：\u8fd4\u56de\u6570\u7ec4\u6216\u5bf9\u8c61\u91cc\u7684\u5143\u7d20\u6570\u91cf\u3002<\/li>\n
- bool empty()：\u5224\u65ad\u6570\u7ec4\u6216\u5bf9\u8c61\u662f\u4e0d\u662f\u7a7a\u7684\u3002<\/li>\n
- void resize(ArrayIndex newSize)：\u8c03\u6574\u6570\u7ec4\u5927\u5c0f\u3002<\/li>\n
- void clear()：\u6e05\u7a7a\u6570\u7ec4\u6216\u5bf9\u8c61\u91cc\u7684\u6240\u6709\u5143\u7d20\u3002<\/li>\n
- void append(const Json::Value& value)：\u5728\u6570\u7ec4\u672b\u5c3e\u8ffd\u52a0\u4e00\u4e2a\u65b0\u5143\u7d20\u3002<\/li>\n
- Json::Value& operator[](const char* key, const Json::Value& defaultValue = Json::nullValue)：\u5728\u5bf9\u8c61\u91cc\u63d2\u5165\u6216\u8bbf\u95ee\u4e00\u4e2a\u5143\u7d20，\u952e\u4e0d\u5b58\u5728\u5c31\u7528\u9ed8\u8ba4\u503c\u3002<\/li>\n
- Json::Value& operator[](const std::string& key, const Json::Value& defaultValue = Json::nullValue)：\u540c\u4e0a，\u952e\u7684\u7c7b\u578b\u662f std::string\u3002<\/li>\n<\/ul>\n
\u4e09\u3001\u6df1\u5165\u7406\u89e3\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316：\u5e94\u7528\u5c42\u534f\u8bae\u7684\u6838\u5fc3<\/h4>\n
\u5e94\u7528\u5c42，\u662f\u7f51\u7edc\u4e94\u5c42\u6a21\u578b\u7684\u6700\u9876\u5c42\u3002\u7f51\u7edc\u901a\u4fe1\u91cc，\u4e0a\u5c42\u5e94\u7528\u5904\u7406\u7684\u5f80\u5f80\u662f\u7ed3\u6784\u5316\u7684\u4e1a\u52a1\u6570\u636e，\u53ef\u5e95\u5c42\u7684\u4f20\u8f93\u5c42（TCP\/UDP）\u53ea\u8d1f\u8d23\u642c\u8fd0\u65e0\u7ed3\u6784\u7684\u5b57\u8282\u6d41\u3002\u60f3\u8ba9\u7ed3\u6784\u5316\u6570\u636e\u5728\u7f51\u7edc\u91cc\u9ad8\u6548\u3001\u51c6\u786e\u5730\u8dd1\u8d77\u6765，\u5c31\u5f97\u5b9a\u4e00\u5957\u5e94\u7528\u5c42\u534f\u8bae，\u518d\u5f15\u5165\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u673a\u5236\u3002<\/p>\n
3.1 \u5e94\u7528\u5c42\u534f\u8bae\u4e0e\u7ed3\u6784\u5316\u6570\u636e<\/h5>\n
\u6240\u8c13\u534f\u8bae\u5b9a\u5236，\u672c\u8d28\u4e0a\u5c31\u662f\u901a\u4fe1\u53cc\u65b9\u7ea6\u5b9a\u597d\u4e00\u5957\u5f7c\u6b64\u90fd\u80fd\u8bc6\u522b\u7684\u7ed3\u6784\u5316\u6570\u636e\u683c\u5f0f\u3002\u4f60\u6309\u8fd9\u4e2a\u683c\u5f0f\u6253\u5305，\u6211\u6309\u8fd9\u4e2a\u683c\u5f0f\u62c6\u5305，\u4e2d\u95f4\u5c31\u4e0d\u4f1a\u9e21\u540c\u9e2d\u8bb2\u3002<\/p>\n
3.1.1 \u7ed3\u6784\u5316\u6570\u636e\u4e0e\u534f\u8bae\u683c\u5f0f\u8bbe\u8ba1<\/h6>\n
\u5728C\/C++\u7a0b\u5e8f\u91cc，\u4e1a\u52a1\u6570\u636e\u901a\u5e38\u4ee5\u7ed3\u6784\u4f53（struct）\u6216\u7c7b（class）\u7684\u5f62\u5f0f\u5b58\u5728\u3002\u6bd4\u5982\u4e00\u4e2a\u804a\u5929\u6d88\u606f\u7ed3\u6784\u4f53：<\/p>\n
struct message {
\n std::string path; \/\/ \u5934\u50cf \u2192 \u56fe\u7247\u8def\u5f84
\n std::string nick_name; \/\/ \u6635\u79f0
\n std::string msg; \/\/ \u6d88\u606f\u5185\u5bb9
\n}; <\/p>\n\u8fd9\u4e2astruct message，\u5c31\u662f\u901a\u4fe1\u53cc\u65b9\u5171\u540c\u8ba4\u53ef\u7684\u5e94\u7528\u5c42\u534f\u8bae\u3002\u5b57\u6bb5\u600e\u4e48\u6392\u3001\u6bcf\u4e2a\u5b57\u6bb5\u4ec0\u4e48\u7c7b\u578b，\u5927\u5bb6\u90fd\u6309\u8fd9\u4e2a\u6765，\u6570\u636e\u624d\u80fd\u5bf9\u4e0a\u53f7\u3002<\/p>\n
3.1.2 \u4e3a\u4ec0\u4e48\u4e0d\u80fd\u76f4\u63a5\u53d1\u9001\u4e8c\u8fdb\u5236\u7ed3\u6784\u4f53<\/h6>\n
\u5728\u67d0\u4e9b\u573a\u666f\u4e0b，\u6bd4\u5982\u64cd\u4f5c\u7cfb\u7edf\u5185\u90e8\u901a\u4fe1，\u786e\u5b9e\u53ef\u4ee5\u901a\u8fc7\u4e8c\u8fdb\u5236\u6307\u9488\u76f4\u63a5\u4f20\u9012\u7ed3\u6784\u4f53\u5bf9\u8c61\u3002\u53ef\u4e00\u65e6\u8de8\u7f51\u7edc\u3001\u8d70Client-Server\u901a\u4fe1，\u76f4\u63a5\u7529\u4e00\u4e2a\u4e8c\u8fdb\u5236\u7ed3\u6784\u4f53\u8fc7\u53bb，\u5c31\u975e\u5e38\u4e0d\u63a8\u8350\u4e86\u3002\u539f\u56e0\u6709\u4e09：<\/p>\n
\u7b2c\u4e00，\u5185\u5b58\u5bf9\u9f50\u5dee\u5f02\u3002 \u4e0d\u540c\u7684\u673a\u5668\u3001\u4e0d\u540c\u7684\u7f16\u8bd1\u5668\u3001\u4e0d\u540c\u7684\u5e73\u53f0，\u7ed3\u6784\u4f53\u7684\u5185\u5b58\u5bf9\u9f50\u89c4\u5219\u53ef\u80fd\u5404\u4e0d\u76f8\u540c\u3002\u540c\u4e00\u4e2a\u7ed3\u6784\u4f53，\u5728\u8fd9\u53f0\u673a\u5668\u4e0asizeof\u662f24，\u5230\u90a3\u53f0\u673a\u5668\u4e0a\u53ef\u80fd\u5c31\u53d8\u6210\u4e8632；\u5185\u90e8\u5b57\u6bb5\u7684\u504f\u79fb\u91cf，\u4e5f\u672a\u5fc5\u5bf9\u5f97\u4e0a\u3002\u4f60\u6309\u81ea\u5df1\u7684\u5bf9\u9f50\u65b9\u5f0f\u6253\u5305\u53d1\u51fa\u53bb，\u5bf9\u9762\u6309\u81ea\u5df1\u7684\u89c4\u5219\u62c6，\u62c6\u51fa\u6765\u7684\u4e1c\u897f\u5c31\u5168\u4e71\u5957\u4e86\u3002<\/p>\n
\u7b2c\u4e8c，\u8de8\u8bed\u8a00\u517c\u5bb9\u6027\u3002 \u7f51\u7edc\u901a\u4fe1\u7684\u4e24\u7aef，\u672a\u5fc5\u90fd\u7528C++\u3002\u5bf9\u9762\u53ef\u80fd\u662fJava，\u53ef\u80fd\u662fPython\u3002\u4e0d\u540c\u8bed\u8a00\u5404\u6709\u5404\u7684\u5bf9\u8c61\u6a21\u578b\u548c\u5185\u5b58\u5e03\u5c40，\u4f60\u53d1\u4e00\u4e2aC++\u7684\u4e8c\u8fdb\u5236\u7ed3\u6784\u4f53\u8fc7\u53bb，\u4eba\u5bb6\u538b\u6839\u6ca1\u6cd5\u76f4\u63a5\u89e3\u6790\u3002\u8bed\u8a00\u4e0d\u901a，\u5f97\u9760\u4e00\u79cd\u201c\u5171\u540c\u8bed\u8a00\u201d\u6765\u7ffb\u8bd1\u3002<\/p>\n
\u7b2c\u4e09，\u5927\u5c0f\u7aef\u5b57\u8282\u5e8f\u95ee\u9898\u3002 \u4e0d\u540c\u67b6\u6784\u7684CPU，\u5728\u5185\u5b58\u91cc\u4fdd\u5b58\u6570\u636e\u7684\u5b57\u8282\u5e8f\u53ef\u80fd\u4e0d\u540c\u3002x86 \u662f\u5c0f\u7aef，\u90e8\u5206ARM\u67b6\u6784\u53ef\u80fd\u7528\u5927\u7aef\u3002\u540c\u4e00\u4e2a\u6574\u6570，\u4e00\u4e2a\u6309\u5c0f\u7aef\u5b58，\u4e00\u4e2a\u6309\u5927\u7aef\u8bfb，\u6570\u503c\u76f4\u63a5\u7ffb\u4e2a\u5e95\u671d\u5929\u3002<\/p>\n
\u8de8\u7f51\u7edc\u4f20\u7ed3\u6784\u5316\u6570\u636e，\u4e0d\u80fd\u628a\u5185\u5b58\u91cc\u7684\u4e8c\u8fdb\u5236\u539f\u6837\u642c\u8fc7\u53bb\u3002\u5f97\u5148\u628a\u5b83\u201c\u7ffb\u8bd1\u201d\u6210\u4e00\u79cd\u53cc\u65b9\u90fd\u8ba4\u5f97\u7684\u683c\u5f0f，\u8fd9\u5c31\u662f\u5e8f\u5217\u5316\u8981\u5e72\u7684\u4e8b\u3002<\/p>\n
3.2 \u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u7684\u57fa\u672c\u539f\u7406<\/h5>\n
\u4e8c\u8fdb\u5236\u76f4\u63a5\u4f20\u8f93\u8fd9\u6761\u8def\u8d70\u4e0d\u901a，\u7f51\u7edc\u901a\u4fe1\u5c31\u5728\u5e94\u7528\u5c42\u8865\u4e0a\u4e86\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u8fd9\u5957\u673a\u5236\u3002<\/p>\n
3.2.1 \u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u7684\u6982\u5ff5<\/h6>\n
\u5e8f\u5217\u5316（Serialization）：\u628a\u7ed3\u6784\u5316\u6570\u636e（\u6bd4\u5982struct message）\u8f6c\u6362\u6210\u4e00\u6574\u6761\u5e26\u5206\u9694\u7b26\u6216\u7279\u6b8a\u7f16\u7801\u683c\u5f0f\u7684\u5b57\u8282\u6d41\/\u957f\u5b57\u7b26\u4e32，\u201c\u591a\u53d8\u4e00\u201d，\u65b9\u4fbf\u5728\u7f51\u7edc\u91cc\u4f20\u8f93\u3002<\/p>\n
\u53cd\u5e8f\u5217\u5316（Deserialization）：\u628a\u63a5\u6536\u5230\u7684\u5b57\u8282\u6d41\/\u957f\u5b57\u7b26\u4e32\u89e3\u6790\u8fd8\u539f\u6210\u7ed3\u6784\u5316\u6570\u636e，\u201c\u4e00\u53d8\u591a\u201d，\u65b9\u4fbf\u4e0a\u5c42\u4e1a\u52a1\u4ee3\u7801\u5904\u7406\u3002<\/p>\n
3.2.2 \u5e8f\u5217\u5316\u7684\u4f5c\u7528\u4e0e\u4f18\u52bf<\/h6>\n
![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2026\/10\/20261020054115-6ad6fefb651f7.png\")
<\/p>\n[\u7ed3\u6784\u5316\u6570\u636e struct] —> (\u5e8f\u5217\u5316) —> [\u7f51\u7edc\u5b57\u8282\u6d41\/\u5b57\u7b26\u4e32] —> (\u7f51\u7edc\u4f20\u8f93) —> [\u7f51\u7edc\u5b57\u8282\u6d41\/\u5b57\u7b26\u4e32] —> (\u53cd\u5e8f\u5217\u5316) —> [\u7ed3\u6784\u5316\u6570\u636e struct] <\/p>\n
\u4fdd\u8bc1\u62a5\u6587\u5b8c\u6574\u6027\u3002 \u5e8f\u5217\u5316\u7684\u65f6\u5019，\u53ef\u4ee5\u901a\u8fc7\u6dfb\u52a0\u5206\u9694\u7b26（\u7a7a\u683c\u3001\\\\r\\\\n\u6216\u8005\u7279\u5b9a\u5b57\u7b26），\u6216\u8005\u6253\u5305\u4e00\u4e2a\u957f\u5ea6\u5934\u90e8，\u786e\u4fdd\u63a5\u6536\u65b9\u80fd\u591f\u7cbe\u51c6\u62c6\u5206\u8fb9\u754c\u3002TCP\u7684\u7c98\u5305\u4e0e\u534a\u5305\u95ee\u9898，\u5c31\u5728\u8fd9\u4e00\u5c42\u88ab\u5316\u89e3\u3002<\/p>\n
\u65b9\u4fbf\u4e0a\u5c42\u4e1a\u52a1\u5904\u7406\u3002 \u53cd\u5e8f\u5217\u5316\u628a\u6d41\u6570\u636e\u8fd8\u539f\u6210\u5bf9\u8c61\u7ed3\u6784，\u4e0a\u5c42\u903b\u8f91\u76f4\u63a5\u8bfb\u7ed3\u6784\u4f53\u6210\u5458\u5c31\u884c，\u5e95\u5c42\u7684\u89e3\u6790\u7ec6\u8282，\u4e00\u6982\u4e0d\u7528\u64cd\u5fc3\u3002<\/p>\n
\u5e94\u7528\u5c42\u4e0e\u4f20\u8f93\u5c42\u89e3\u8026\u3002 \u5e8f\u5217\u5316\u548c\u53cd\u5e8f\u5217\u5316，\u628a\u5e94\u7528\u5c42\u548c\u4f20\u8f93\u5c42\u6709\u6548\u5730\u9694\u5f00\u4e86\u3002\u4e0a\u5c42\u534f\u8bae\u8981\u6539\u3001\u8981\u6269\u5c55，\u53ea\u8981\u540c\u6b65\u66f4\u65b0\u5e8f\u5217\u5316\/\u53cd\u5e8f\u5217\u5316\u89c4\u5219，\u5e95\u5c42\u7684\u5b57\u8282\u6d41\u4f20\u8f93\u673a\u5236\u5b8c\u5168\u4e0d\u53d7\u5f71\u54cd\u3002\u5404\u6539\u5404\u7684，\u4e92\u4e0d\u7275\u8fde\u3002<\/p>\n
3.3 \u5e94\u7528\u5c42\u901a\u4fe1\u7684\u6807\u51c6\u5316\u5efa\u8bae<\/h5>\n
\u73b0\u4ee3\u7f51\u7edc\u7f16\u7a0b\u91cc，\u9664\u975e\u73af\u5883\u6781\u5ea6\u7279\u6b8a\u4e14\u5b8c\u5168\u53d7\u63a7，\u6bd4\u5982\u786c\u4ef6\u540c\u6784\u3001\u8bed\u8a00\u7edf\u4e00，\u5426\u5219\u5728\u5e94\u7528\u5c42，\u5c31\u8be5\u8001\u8001\u5b9e\u5b9e\u5b88\u4f4f\u4e0b\u9762\u8fd9\u6761\u539f\u5219：<\/p>\n
- \n
- \n
\u5f3a\u63a8\u65b9\u6848：\u5e94\u7528\u5c42\u901a\u4fe1，\u5f3a\u70c8\u5efa\u8bae\u4f7f\u7528\u6807\u51c6\u7684\u5e8f\u5217\u5316\u4e0e\u53cd\u5e8f\u5217\u5316\u65b9\u6848，\u6bd4\u5982JSON\u3001Protobuf\u3001XML，\u6216\u8005\u81ea\u5b9a\u4e49\u7684\u5206\u9694\u7b26\u534f\u8bae\u3002<\/p>\n<\/li>\n
- \n
\u89c4\u907f\u65b9\u6848：\u9664\u975e\u7279\u5b9a\u573a\u666f，\u7edd\u5bf9\u4e0d\u8981\u76f4\u63a5\u5f80\u7f51\u7edc\u91cc\u5199\u88f8\u7ed3\u6784\u4f53\u7684\u4e8c\u8fdb\u5236\u5185\u5b58\u5757\u3002<\/p>\n<\/li>\n<\/ul>\n
\u4e00\u53e5\u8bdd：\u8be5\u7ffb\u8bd1\u5c31\u7ffb\u8bd1，\u522b\u628a\u5185\u5b58\u91cc\u7684\u4e8c\u8fdb\u5236\u539f\u6837\u7529\u4e0a\u7f51\u3002<\/p>\n
\u56db\u3001\u5b8c\u6574\u6e90\u7801\u4e0e\u8fd0\u884c\u6d4b\u8bd5<\/h4>\n
\u4e0b\u9762\u628a\u57fa\u4e8e\u81ea\u5b9a\u4e49\u5e94\u7528\u5c42\u534f\u8bae\u7684\u7f51\u7edc\u8ba1\u7b97\u5668\u5b8c\u6574\u4ee3\u7801\u6574\u7406\u51fa\u6765，\u5305\u62ec\u516c\u5171\u5934\u6587\u4ef6\u3001\u5730\u5740\u5c01\u88c5\u3001Socket\u5c01\u88c5\u3001\u534f\u8bae\u6a21\u5757（\u5e8f\u5217\u5316\/\u53cd\u5e8f\u5217\u5316\/\u7ec4\u5e27）\u3001\u670d\u52a1\u7aef\u3001\u5ba2\u6237\u7aef\u548cMakefile\u3002<\/p>\n
4.1 Common.hpp（\u516c\u5171\u5934\u6587\u4ef6）<\/h5>\n
#pragma once<\/p>\n
\/\/ \u9519\u8bef\u7801\u5b9a\u4e49
\n#define SOCKET_ERR 1
\n#define BIND_ERR 2
\n#define LISTEN_ERR 3
\n#define CONNECT_ERR 4
\n#define ACCEPT_ERR 5 <\/p>\n4.2 Log.hpp（\u65e5\u5fd7）<\/h5>\n
#pragma once<\/p>\n
#include <iostream>
\n#include <string><\/p>\nnamespace LogModule
\n{
\n const std::string CAGE = "\\\\n";<\/p>\nenum class LEVEL
\n {
\n DEBUG,
\n INFO,
\n WARNING,
\n ERROR,
\n FATAL
\n };<\/p>\ninline void Log(LEVEL level, const std::string &msg)
\n {
\n std::cout << "[" << static_cast<int>(level) << "]" << msg << CAGE;
\n }
\n}<\/p>\n#define LOG(level) LogModule::Log(level, std::string(__FILE__) + ":" + std::to_string(__LINE__) + " ") <\/p>\n
4.3 InetAddr.hpp（IP \u5730\u5740\u5c01\u88c5）<\/h5>\n
#pragma once<\/p>\n
#include <arpa\/inet.h>
\n#include <netinet\/in.h>
\n#include <sys\/socket.h>
\n#include <string>
\n#include <cstring><\/p>\nnamespace InetAddrModule
\n{
\n class InetAddr
\n {
\n public:
\n InetAddr(const struct sockaddr_in &addr)
\n : _addr(addr)
\n {
\n _port = ntohs(_addr.sin_port);
\n char ipbuffer[64];
\n inet_ntop(AF_INET, &_addr.sin_addr, ipbuffer, sizeof(ipbuffer));
\n _ip = ipbuffer;
\n }<\/p>\nInetAddr(const std::string &ip, uint16_t port)
\n : _ip(ip), _port(port)
\n {
\n memset(&_addr, 0, sizeof(_addr));
\n _addr.sin_family = AF_INET;
\n _addr.sin_port = htons(_port);
\n inet_pton(AF_INET, _ip.c_str(), &_addr.sin_addr);
\n }<\/p>\nvoid SetAddr(const struct sockaddr_in &addr)
\n {
\n _addr = addr;
\n _port = ntohs(_addr.sin_port);
\n char ipbuffer[64];
\n inet_ntop(AF_INET, &_addr.sin_addr, ipbuffer, sizeof(ipbuffer));
\n _ip = ipbuffer;
\n }<\/p>\nstd::string Ip() const { return _ip; }
\n uint16_t Port() const { return _port; }
\n struct sockaddr_in *GetSockaddrPtr() { return &_addr; }
\n socklen_t GetSockLine() const { return sizeof(_addr); }<\/p>\nprivate:
\n struct sockaddr_in _addr;
\n std::string _ip;
\n uint16_t _port;
\n };
\n} <\/p>\n4.4 Socket.hpp（Socket \u5c01\u88c5）<\/h5>\n
#pragma once<\/p>\n
#include <iostream>
\n#include <string>
\n#include <memory>
\n#include <cstring>
\n#include <cstdlib>
\n#include <unistd.h>
\n#include <sys\/types.h>
\n#include <sys\/socket.h>
\n#include <netinet\/in.h>
\n#include <arpa\/inet.h><\/p>\n#include "Log.hpp"
\n#include "Common.hpp"
\n#include "InetAddr.hpp"<\/p>\nusing namespace LogModule;
\nusing namespace InetAddrModule;<\/p>\nnamespace SocketModule
\n{
\n const int DEFAULT_BACKLOG = 258;<\/p>\nclass Socket
\n {
\n public:
\n virtual void CreateSocket() = 0;
\n virtual bool BindSocket(InetAddr &Server) = 0;
\n virtual bool ListenSocket(int backlog = DEFAULT_BACKLOG) = 0;
\n virtual bool ConnectSocket(InetAddr &peer) = 0;
\n virtual std::shared_ptr<Socket> AcceptSocket(InetAddr &client) = 0;
\n virtual int Recv(void *buf, size_t len) = 0;
\n virtual int Send(const void *buf, size_t len) = 0;
\n virtual int GetSockFd() = 0;
\n virtual void Close() = 0;<\/p>\npublic:
\n void TcpClientSocketMethod()
\n {
\n CreateSocket();
\n }<\/p>\nvoid TcpServerSocketMethod(InetAddr &Server,
\n int backlog = DEFAULT_BACKLOG)
\n {
\n CreateSocket();
\n BindSocket(Server);
\n ListenSocket(backlog);
\n }
\n };<\/p>\nclass TcpSocket : public Socket
\n {
\n public:
\n TcpSocket(int sockfd = -1)
\n : _sockfd(sockfd)
\n {}<\/p>\n~TcpSocket() {}<\/p>\n
void CreateSocket() override
\n {
\n _sockfd = ::socket(AF_INET, SOCK_STREAM, 0);
\n if (_sockfd < 0)
\n {
\n LOG(LEVEL::FATAL) << "\u81f4\u547d！\u5957\u63a5\u5b57\u521b\u5efa\u5931\u8d25\u3002";
\n exit(SOCKET_ERR);
\n }
\n }<\/p>\nbool BindSocket(InetAddr &Server) override
\n {
\n int n = ::bind(_sockfd, (struct sockaddr *)Server.GetSockaddrPtr(),
\n Server.GetSockLine());
\n if (n == -1)
\n {
\n LOG(LEVEL::FATAL) << "\u81f4\u547d！\u7ed1\u5b9a\u5957\u63a5\u5b57\u5931\u8d25\u3002";
\n exit(BIND_ERR);
\n }
\n return true;
\n }<\/p>\nbool ListenSocket(int backlog = DEFAULT_BACKLOG) override
\n {
\n int n = ::listen(_sockfd, backlog);
\n if (n == -1)
\n {
\n LOG(LEVEL::FATAL) << "\u81f4\u547d！\u76d1\u542c\u5957\u63a5\u5b57\u5931\u8d25\u3002";
\n exit(LISTEN_ERR);
\n }
\n return true;
\n }<\/p>\nbool ConnectSocket(InetAddr &peer) override
\n {
\n int n = ::connect(_sockfd, (struct sockaddr *)peer.GetSockaddrPtr(),
\n peer.GetSockLine());
\n if (n == -1)
\n {
\n LOG(LEVEL::FATAL) << "\u5ba2\u6237\u7aef\u8fde\u63a5\u670d\u52a1\u5668\u5931\u8d25！";
\n exit(CONNECT_ERR);
\n }
\n return true;
\n }<\/p>\nstd::shared_ptr<Socket> AcceptSocket(InetAddr &client) override
\n {
\n struct sockaddr_in peer;
\n socklen_t len = sizeof(peer);
\n int sockfd = ::accept(_sockfd, (struct sockaddr *)&peer, &len);
\n if (sockfd < 0)
\n {
\n LOG(LEVEL::FATAL) << "\u670d\u52a1\u5668\u83b7\u53d6\u8fde\u63a5\u5931\u8d25！";
\n exit(ACCEPT_ERR);
\n }
\n client.SetAddr(peer);
\n return std::make_shared<TcpSocket>(sockfd);
\n }<\/p>\nint Recv(void *buf, size_t len) override
\n {
\n return ::recv(_sockfd, buf, len, 0);
\n }<\/p>\nint Send(const void *buf, size_t len) override
\n {
\n return ::send(_sockfd, buf, len, 0);
\n }<\/p>\nint GetSockFd() override { return _sockfd; }<\/p>\n
void Close() override
\n {
\n if (_sockfd >= 0)
\n {
\n ::close(_sockfd);
\n _sockfd = -1;
\n }
\n }<\/p>\nprivate:
\n int _sockfd;
\n };
\n} <\/p>\n4.5 Protocol.hpp（\u534f\u8bae\u6a21\u5757：\u5e8f\u5217\u5316\u3001\u53cd\u5e8f\u5217\u5316\u3001\u7ec4\u5e27）<\/h5>\n
#pragma once<\/p>\n
#include <string>
\n#include <sstream>
\n#include <jsoncpp\/json\/json.h><\/p>\nnamespace ProtocolModule
\n{
\n \/\/ ———- \u8bf7\u6c42\u7ed3\u6784\u4f53 ———-
\n struct Request
\n {
\n int x;
\n int y;
\n char op; \/\/ + – * \/ %
\n };<\/p>\n\/\/ ———- \u54cd\u5e94\u7ed3\u6784\u4f53 ———-
\n struct Response
\n {
\n int result;
\n int code; \/\/ 0 \u6210\u529f，\u975e 0 \u5931\u8d25
\n std::string msg;
\n };<\/p>\n\/\/ ———- \u5e8f\u5217\u5316：Request \u2192 JSON \u5b57\u7b26\u4e32 ———-
\n inline std::string SerializeRequest(const Request &req)
\n {
\n Json::Value root;
\n root["x"] = req.x;
\n root["y"] = req.y;
\n root["op"] = std::string(1, req.op);<\/p>\nJson::StreamWriterBuilder builder;
\n builder["indentation"] = "";
\n return Json::writeString(builder, root);
\n }<\/p>\n\/\/ ———- \u53cd\u5e8f\u5217\u5316：JSON \u5b57\u7b26\u4e32 \u2192 Request ———-
\n inline bool DeserializeRequest(const std::string &json, Request &req)
\n {
\n Json::CharReaderBuilder builder;
\n Json::CharReaderBuilder::strictMode(&builder.settings_);
\n std::unique_ptr<Json::CharReader> reader(builder.newCharReader());<\/p>\nJson::Value root;
\n std::string errs;
\n if (!reader->parse(json.c_str(), json.c_str() + json.size(), &root, &errs))
\n {
\n return false;
\n }<\/p>\nif (!root.isMember("x") || !root.isMember("y") || !root.isMember("op"))
\n {
\n return false;
\n }<\/p>\nreq.x = root["x"].asInt();
\n req.y = root["y"].asInt();
\n std::string opStr = root["op"].asString();
\n if (opStr.size() != 1)
\n {
\n return false;
\n }
\n req.op = opStr[0];
\n return true;
\n }<\/p>\n\/\/ ———- \u5e8f\u5217\u5316：Response \u2192 JSON \u5b57\u7b26\u4e32 ———-
\n inline std::string SerializeResponse(const Response &resp)
\n {
\n Json::Value root;
\n root["result"] = resp.result;
\n root["code"] = resp.code;
\n root["msg"] = resp.msg;<\/p>\nJson::StreamWriterBuilder builder;
\n builder["indentation"] = "";
\n return Json::writeString(builder, root);
\n }<\/p>\n\/\/ ———- \u53cd\u5e8f\u5217\u5316：JSON \u5b57\u7b26\u4e32 \u2192 Response ———-
\n inline bool DeserializeResponse(const std::string &json, Response &resp)
\n {
\n Json::CharReaderBuilder builder;
\n Json::CharReaderBuilder::strictMode(&builder.settings_);
\n std::unique_ptr<Json::CharReader> reader(builder.newCharReader());<\/p>\nJson::Value root;
\n std::string errs;
\n if (!reader->parse(json.c_str(), json.c_str() + json.size(), &root, &errs))
\n {
\n return false;
\n }<\/p>\nif (!root.isMember("result") || !root.isMember("code") || !root.isMember("msg"))
\n {
\n return false;
\n }<\/p>\nresp.result = root["result"].asInt();
\n resp.code = root["code"].asInt();
\n resp.msg = root["msg"].asString();
\n return true;
\n }<\/p>\n\/\/ ———- \u7ec4\u5e27：\u5185\u5bb9 \u2192 "len\\\\r\\\\ncontent" ———-
\n inline std::string Encode(const std::string &content)
\n {
\n return std::to_string(content.size()) + "\\\\r\\\\n" + content;
\n }<\/p>\n\/\/ ———- \u89e3\u5e27：\u4ece\u7f13\u51b2\u533a\u63d0\u53d6\u4e00\u6761\u5b8c\u6574\u62a5\u6587 ———-
\n \/\/ \u8fd4\u56de\u503c：> 0 \u6210\u529f\u89e3\u7801\u4e00\u6761\u62a5\u6587；0 \u9700\u8981\u66f4\u591a\u6570\u636e；-1 \u534f\u8bae\u9519\u8bef
\n inline int Decode(std::string &buffer, std::string &content)
\n {
\n \/\/ 1. \u627e\u957f\u5ea6\u5934\u90e8\u7684\u7ed3\u675f\u7b26 \\\\r\\\\n
\n size_t pos = buffer.find("\\\\r\\\\n");
\n if (pos == std::string::npos)
\n {
\n \/\/ \u957f\u5ea6\u5934\u90e8\u8fd8\u6ca1\u6536\u5168，\u4f46\u4e5f\u4e0d\u80fd\u65e0\u9650\u957f
\n if (buffer.size() > 20)
\n {
\n return -1;
\n }
\n return 0;
\n }<\/p>\n\/\/ 2. \u89e3\u6790\u957f\u5ea6
\n std::string lenStr = buffer.substr(0, pos);
\n if (lenStr.empty() || lenStr.size() > 10)
\n {
\n return -1;
\n }<\/p>\nint len = 0;
\n for (char c : lenStr)
\n {
\n if (c < '0' || c > '9')
\n {
\n return -1;
\n }
\n len = len * 10 + (c – '0');
\n }<\/p>\n\/\/ 3. \u5224\u65ad\u5185\u5bb9\u662f\u5426\u6536\u5168
\n size_t totalLen = pos + 2 + len;
\n if (buffer.size() < totalLen)
\n {
\n return 0;
\n }<\/p>\n\/\/ 4. \u63d0\u53d6\u5185\u5bb9，\u5e76\u4ece\u7f13\u51b2\u533a\u4e2d\u79fb\u9664
\n content = buffer.substr(pos + 2, len);
\n buffer.erase(0, totalLen);
\n return 1;
\n }
\n} <\/p>\n4.6 TcpServer.hpp（\u670d\u52a1\u7aef\u7c7b）<\/h5>\n
#pragma once<\/p>\n
#include <iostream>
\n#include <string>
\n#include <memory>
\n#include <signal.h>
\n#include <sys\/wait.h>
\n#include <unistd.h><\/p>\n#include "Socket.hpp"
\n#include "Protocol.hpp"<\/p>\nusing namespace SocketModule;
\nusing namespace ProtocolModule;<\/p>\nnamespace ServerModule
\n{
\n class TcpServer
\n {
\n public:
\n TcpServer(uint16_t port = 8080)
\n : _port(port)
\n {
\n }<\/p>\nvoid Init()
\n {
\n InetAddr server("0.0.0.0", _port);
\n _listensock = std::make_shared<TcpSocket>();
\n _listensock->TcpServerSocketMethod(server);
\n }<\/p>\nvoid Start()
\n {
\n \/\/ \u5ffd\u7565 SIGCHLD，\u5b50\u8fdb\u7a0b\u9000\u51fa\u540e\u7531\u7cfb\u7edf\u81ea\u52a8\u56de\u6536
\n signal(SIGCHLD, SIG_IGN);<\/p>\nwhile (true)
\n {
\n InetAddr client;
\n auto conn = _listensock->AcceptSocket(client);
\n LOG(LEVEL::INFO) << "\u5ba2\u6237\u7aef\u8fde\u63a5：" << client.Ip() << ":" << client.Port();<\/p>\n\/\/ \u521b\u5efa\u5b50\u8fdb\u7a0b\u5904\u7406\u8be5\u5ba2\u6237\u7aef
\n pid_t id = fork();
\n if (id == 0)
\n {
\n _listensock->Close();
\n Handler(conn);
\n conn->Close();
\n exit(0);
\n }<\/p>\n\/\/ \u7236\u8fdb\u7a0b\u5173\u95ed\u670d\u52a1\u5957\u63a5\u5b57，\u7ee7\u7eed accept
\n conn->Close();
\n }
\n }<\/p>\nprivate:
\n void Handler(std::shared_ptr<Socket> conn)
\n {
\n std::string buffer;
\n char tmp[4096];<\/p>\nwhile (true)
\n {
\n int n = conn->Recv(tmp, sizeof(tmp));
\n if (n <= 0)
\n {
\n break;
\n }<\/p>\nbuffer.append(tmp, n);<\/p>\n
\/\/ \u5faa\u73af\u89e3\u5e27，\u5904\u7406\u6bcf\u4e00\u6761\u5b8c\u6574\u62a5\u6587
\n std::string content;
\n while (true)
\n {
\n int ret = Decode(buffer, content);
\n if (ret == 0)
\n {
\n break; \/\/ \u6570\u636e\u8fd8\u4e0d\u591f，\u7ee7\u7eed\u6536
\n }
\n if (ret < 0)
\n {
\n LOG(LEVEL::ERROR) << "\u534f\u8bae\u89e3\u6790\u9519\u8bef，\u5173\u95ed\u8fde\u63a5";
\n return;
\n }<\/p>\n\/\/ \u53cd\u5e8f\u5217\u5316\u8bf7\u6c42
\n Request req;
\n if (!DeserializeRequest(content, req))
\n {
\n LOG(LEVEL::ERROR) << "\u8bf7\u6c42\u53cd\u5e8f\u5217\u5316\u5931\u8d25";
\n Response badResp{0, 3, "bad request"};
\n std::string frame = Encode(SerializeResponse(badResp));
\n conn->Send(frame.c_str(), frame.size());
\n continue;
\n }<\/p>\n\/\/ \u8ba1\u7b97
\n Response resp = Calculate(req);
\n LOG(LEVEL::INFO) << "\u8ba1\u7b97：" << req.x << " " << req.op << " "
\n << req.y << " = " << resp.result;<\/p>\n\/\/ \u5e8f\u5217\u5316\u5e76\u7ec4\u5e27\u53d1\u9001
\n std::string frame = Encode(SerializeResponse(resp));
\n conn->Send(frame.c_str(), frame.size());
\n }
\n }
\n }<\/p>\nResponse Calculate(const Request &req)
\n {
\n Response resp;
\n resp.code = 0;
\n resp.msg = "success";
\n resp.result = 0;<\/p>\nswitch (req.op)
\n {
\n case '+':
\n resp.result = req.x + req.y;
\n break;
\n case '-':
\n resp.result = req.x – req.y;
\n break;
\n case '*':
\n resp.result = req.x * req.y;
\n break;
\n case '\/':
\n if (req.y == 0)
\n {
\n resp.code = 1;
\n resp.msg = "divide by zero";
\n }
\n else
\n {
\n resp.result = req.x \/ req.y;
\n }
\n break;
\n case '%':
\n if (req.y == 0)
\n {
\n resp.code = 1;
\n resp.msg = "modulo by zero";
\n }
\n else
\n {
\n resp.result = req.x % req.y;
\n }
\n break;
\n default:
\n resp.code = 2;
\n resp.msg = "unknown operator";
\n break;
\n }<\/p>\nreturn resp;
\n }<\/p>\nprivate:
\n std::shared_ptr<Socket> _listensock;
\n uint16_t _port;
\n };
\n} <\/p>\n4.7 TcpServer.cc（\u670d\u52a1\u7aef\u4e3b\u7a0b\u5e8f）<\/h5>\n
#include "TcpServer.hpp"
\n#include <memory><\/p>\nint main(int argc, char *argv[])
\n{
\n uint16_t port = 8080;
\n if (argc == 2)
\n {
\n port = static_cast<uint16_t>(std::stoi(argv[1]));
\n }<\/p>\nstd::unique_ptr<ServerModule::TcpServer> server =
\n std::make_unique<ServerModule::TcpServer>(port);<\/p>\nserver->Init();
\n server->Start();<\/p>\nreturn 0;
\n} <\/p>\n4.8 TcpClient.cc（\u5ba2\u6237\u7aef\u4e3b\u7a0b\u5e8f）<\/h5>\n
#include <iostream>
\n#include <string>
\n#include <sstream>
\n#include <cstring>
\n#include <cstdlib>
\n#include <unistd.h><\/p>\n#include "Socket.hpp"
\n#include "Protocol.hpp"<\/p>\nusing namespace SocketModule;
\nusing namespace ProtocolModule;<\/p>\nint main(int argc, char *argv[])
\n{
\n if (argc != 3)
\n {
\n std::cerr << "Usage: " << argv[0] << " server_ip server_port" << std::endl;
\n return 1;
\n }<\/p>\nstd::string server_ip = argv[1];
\n uint16_t server_port = static_cast<uint16_t>(std::stoi(argv[2]));<\/p>\n\/\/ 1. \u521b\u5efa\u5957\u63a5\u5b57\u5e76\u8fde\u63a5\u670d\u52a1\u5668
\n std::shared_ptr<Socket> client = std::make_shared<TcpSocket>();
\n client->TcpClientSocketMethod();<\/p>\nInetAddr server(server_ip, server_port);
\n client->ConnectSocket(server);
\n std::cout << "\u5df2\u8fde\u63a5\u5230\u670d\u52a1\u5668 " << server_ip << ":" << server_port << std::endl;<\/p>\n\/\/ 2. \u5faa\u73af\u53d1\u9001\u8bf7\u6c42 + \u63a5\u6536\u54cd\u5e94
\n std::string line;
\n while (true)
\n {
\n std::cout << "\u8bf7\u8f93\u5165\u8868\u8fbe\u5f0f（\u683c\u5f0f：x op y，\u4f8b\u5982 10 + 20，\u8f93\u5165 quit \u9000\u51fa）：";
\n std::getline(std::cin, line);<\/p>\nif (line == "quit" || line == "exit")
\n {
\n break;
\n }<\/p>\n\/\/ \u89e3\u6790\u8f93\u5165
\n std::istringstream iss(line);
\n Request req;
\n if (!(iss >> req.x >> req.op >> req.y))
\n {
\n std::cout << "\u683c\u5f0f\u9519\u8bef，\u8bf7\u6309 \\\\"x op y\\\\" \u8f93\u5165" << std::endl;
\n continue;
\n }<\/p>\n\/\/ \u5e8f\u5217\u5316 + \u7ec4\u5e27 + \u53d1\u9001
\n std::string json = SerializeRequest(req);
\n std::string frame = Encode(json);
\n client->Send(frame.c_str(), frame.size());<\/p>\n\/\/ \u63a5\u6536\u54cd\u5e94
\n std::string buffer;
\n char tmp[4096];
\n std::string content;
\n bool gotResponse = false;<\/p>\nwhile (!gotResponse)
\n {
\n int n = client->Recv(tmp, sizeof(tmp));
\n if (n <= 0)
\n {
\n std::cout << "\u670d\u52a1\u5668\u5df2\u65ad\u5f00\u8fde\u63a5" << std::endl;
\n client->Close();
\n return 0;
\n }<\/p>\nbuffer.append(tmp, n);<\/p>\n
int ret = Decode(buffer, content);
\n if (ret < 0)
\n {
\n std::cout << "\u534f\u8bae\u89e3\u6790\u9519\u8bef" << std::endl;
\n client->Close();
\n return 1;
\n }
\n if (ret > 0)
\n {
\n gotResponse = true;
\n }
\n }<\/p>\n\/\/ \u53cd\u5e8f\u5217\u5316\u54cd\u5e94
\n Response resp;
\n if (!DeserializeResponse(content, resp))
\n {
\n std::cout << "\u54cd\u5e94\u53cd\u5e8f\u5217\u5316\u5931\u8d25" << std::endl;
\n continue;
\n }<\/p>\nif (resp.code == 0)
\n {
\n std::cout << "\u8ba1\u7b97\u7ed3\u679c：" << req.x << " " << req.op << " "
\n << req.y << " = " << resp.result << std::endl;
\n }
\n else
\n {
\n std::cout << "\u8ba1\u7b97\u5931\u8d25：" << resp.msg << std::endl;
\n }
\n }<\/p>\nclient->Close();
\n return 0;
\n} <\/p>\n4.9 Makefile<\/h5>\n
.PHONY: all
\nall: tcp_server tcp_client<\/p>\ntcp_server: TcpServer.cc TcpServer.hpp Socket.hpp InetAddr.hpp Protocol.hpp Common.hpp Log.hpp
\ng++ -o $@ $< -std=c++17 -ljsoncpp<\/p>\ntcp_client: TcpClient.cc Socket.hpp InetAddr.hpp Protocol.hpp Common.hpp Log.hpp
\ng++ -o $@ $< -std=c++17 -ljsoncpp<\/p>\n.PHONY: clean
\nclean:
\nrm -f tcp_server tcp_client <\/p>\n4.10 \u8fd0\u884c\u65b9\u5f0f<\/h5>\n
\u7f16\u8bd1：<\/p>\n
make<\/p>\n
\u5148\u542f\u52a8\u670d\u52a1\u7aef（\u9ed8\u8ba4\u7aef\u53e38080）：<\/p>\n
.\/tcp_server<\/p>\n
\u518d\u542f\u52a8\u5ba2\u6237\u7aef：<\/p>\n
.\/tcp_client 127.0.0.1 8080<\/p>\n
4.11 \u534f\u8bae\u8bbe\u8ba1\u8bf4\u660e<\/h5>\n
\u62a5\u6587\u683c\u5f0f：<\/p>\n
len\\\\r\\\\ncontent <\/p>\n
- \n
- len：\u5185\u5bb9\u7684\u5b57\u8282\u957f\u5ea6（\u5341\u8fdb\u5236\u6570\u5b57\u5b57\u7b26\u4e32）<\/li>\n
- content：JSON\u5b57\u7b26\u4e32<\/li>\n<\/ul>\n
\u8bf7\u6c42JSON：<\/p>\n
{"x": 10, "y": 20, "op": "+"}<\/p>\n
\u54cd\u5e94JSON：<\/p>\n
{"result": 30, "code": 0, "msg": "success"}<\/p>\n
\u4e3a\u4ec0\u4e48\u7528\u957f\u5ea6\u5934？<\/p>\n
TCP\u662f\u5b57\u8282\u6d41，\u6ca1\u6709\u5929\u7136\u7684\u6d88\u606f\u8fb9\u754c\u3002\u957f\u5ea6\u5934\u660e\u786e\u544a\u8bc9\u63a5\u6536\u65b9\u201c\u540e\u9762\u8fd8\u6709\u591a\u5c11\u5b57\u8282\u201d，\u63a5\u6536\u65b9\u5c31\u80fd\u7cbe\u786e\u5730\u5207\u51fa\u6bcf\u4e00\u6761\u5b8c\u6574\u62a5\u6587，\u7c98\u5305\u548c\u534a\u5305\u95ee\u9898\u4e00\u5e76\u89e3\u51b3\u3002<\/p>\n
\u89e3\u5e27\u903b\u8f91：<\/p>\n
Decode\u51fd\u6570\u5148\u4ece\u7f13\u51b2\u533a\u91cc\u627e\\\\r\\\\n，\u62ff\u5230\u957f\u5ea6；\u518d\u5224\u65ad\u7f13\u51b2\u533a\u91cc\u5269\u4f59\u7684\u6570\u636e\u591f\u4e0d\u591f\u8fd9\u4e2a\u957f\u5ea6\u3002\u591f\u4e86，\u5c31\u5207\u51fa\u4e00\u6761\u5b8c\u6574\u62a5\u6587；\u4e0d\u591f，\u5c31\u8fd4\u56de0，\u7b49\u4e0b\u6b21recv\u7ee7\u7eed\u6536\u3002\u4e00\u6761\u4e00\u6761\u5904\u7406，\u8fb9\u754c\u6e05\u6670\u3002<\/p>\n
\u5e8f\u5217\u5316\/\u53cd\u5e8f\u5217\u5316\u7684\u4f4d\u7f6e：<\/p>\n
Protocol.hpp\u91cc\u7684SerializeRequest\/DeserializeRequest\u548cSerializeResponse\/DeserializeResponse，\u8d1f\u8d23JSON\u548c\u7ed3\u6784\u4f53\u4e4b\u95f4\u7684\u4e92\u8f6c\u3002Encode\/Decode\u8d1f\u8d23\u7ec4\u5e27\u548c\u89e3\u5e27\u3002\u4e24\u5c42\u804c\u8d23\u5206\u5f00，\u6539\u5e8f\u5217\u5316\u65b9\u6848\u4e0d\u5f71\u54cd\u7ec4\u5e27\u903b\u8f91，\u6539\u7ec4\u5e27\u683c\u5f0f\u4e5f\u4e0d\u5f71\u54cd\u5e8f\u5217\u5316\u3002<\/p>\n
\n\u5982\u679c\u8fd9\u7bc7\u6587\u7ae0\u5bf9\u4f60\u6709\u5e2e\u52a9，\u522b\u5fd8\u4e86\u70b9\u8d5e\u3001\u6536\u85cf\u3001\u5173\u6ce8\u4e09\u8fde\u652f\u6301\u3002\u4f60\u7684\u6bcf\u4e00\u6b21\u53cd\u9988，\u90fd\u662f\u6211\u7ee7\u7eed\u786c\u6838\u8f93\u51fa\u7684\u6700\u5927\u52a8\u529b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
\u4e0a\u4e24\u7bc7\u6211\u4eec\u8bb2\u4e86TCP\u4e0eUDP\u5957\u63a5\u5b57\u7684\u7f16\u7a0b\u57fa\u7840，\u4e5f\u5199\u4e86\u56db\u5957\u7b80\u5355\u7684Demo\u3002\u4ece\u672c\u6587\u5f00\u59cb，\u6211\u4eec\u6b63\u5f0f\u52a8\u624b\u8bbe\u8ba1\u4e00\u4e2a\u5c5e\u4e8e\u81ea\u5df1\u7684\u201c\u5e94\u7528\u5c42\u534f\u8bae\u201d，\u5e76\u5728\u6b64\u57fa\u7840\u4e0a\u505a\u4e00\u4e2a\u201c\u7f51\u7edc\u8ba1\u7b97\u5668\u201d\u3002\u597d，\u5e9f\u8bdd\u4e0d\u591a\u8bf4，\u76f4\u63a5\u5f00\u59cb\u3002
\n\u76ee\u5f55
\n\u4e00\u3001\u4ece\u9700\u6c42\u51fa\u53d1：\u8bbe\u8ba1\u4e00\u4e2a\u7f51\u7edc\u7248\u8ba1\u7b97\u5668
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