{"id":36582,"date":"2025-05-11T01:26:00","date_gmt":"2025-05-10T17:26:00","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/36582.html"},"modified":"2025-05-11T01:26:00","modified_gmt":"2025-05-10T17:26:00","slug":"%e5%be%ae%e7%ab%af%e6%9c%8d%e5%8a%a1%e5%99%a8%ef%bc%9a%e4%bc%a0%e5%a5%87%e6%b8%b8%e6%88%8f%e6%95%b0%e6%8d%ae%e6%ba%90%e7%a0%81%e8%a7%a3%e6%9e%90%e4%b8%8e%e5%ba%94%e7%94%a8","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/36582.html","title":{"rendered":"\u5fae\u7aef\u670d\u52a1\u5668\uff1a\u4f20\u5947\u6e38\u620f\u6570\u636e\u6e90\u7801\u89e3\u6790\u4e0e\u5e94\u7528"},"content":{"rendered":"<p>  \u672c\u6587\u8fd8\u6709\u914d\u5957\u7684\u7cbe\u54c1\u8d44\u6e90&#xff0c;\u70b9\u51fb\u83b7\u53d6  <img decoding=\"async\" alt=\"menu-r.4af5f7ec.gif\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250510172558-681f8c26cfdcd.gif\" style=\"width:16px;margin-left:4px;vertical-align:text-bottom;cursor:text\" \/> <\/p>\n<p> \u7b80\u4ecb&#xff1a;\u8be5\u5fae\u7aef\u670d\u52a1\u5668\u9879\u76ee\u6d89\u53ca\u7ecf\u5178\u6e38\u620f\u201c\u4f20\u5947\u201d\u6570\u636e\u6e90\u7801&#xff0c;\u65e8\u5728\u63d0\u4f9b\u8f7b\u91cf\u3001\u5feb\u901f\u7684\u6e38\u620f\u670d\u52a1\u5668\u4f53\u9a8c\u3002\u6e90\u7801\u7684\u6df1\u5165\u5206\u6790\u6709\u52a9\u4e8e\u5f00\u53d1\u8005\u7406\u89e3\u670d\u52a1\u5668\u67b6\u6784\u3001\u6e38\u620f\u6570\u636e\u7ba1\u7406\u3001\u7f51\u7edc\u901a\u4fe1\u7b49\u5173\u952e\u6982\u5ff5\u3002\u672c\u9879\u76ee\u8fd8\u5305\u62ec\u670d\u52a1\u5668\u6027\u80fd\u4f18\u5316\u3001\u5b89\u5168\u673a\u5236\u3001\u8d1f\u8f7d\u5747\u8861\u548c\u6e38\u620f\u903b\u8f91\u5904\u7406\u7b49\u9ad8\u7ea7\u4e3b\u9898&#xff0c;\u9002\u7528\u4e8e\u5bf9\u6e38\u620f\u5f00\u53d1\u548c\u670d\u52a1\u5668\u7f16\u7a0b\u6709\u6df1\u5165\u7814\u7a76\u9700\u6c42\u7684\u4e13\u4e1a\u4eba\u5458\u3002 <img decoding=\"async\" alt=\"\u5fae\u7aef\u670d\u52a1\u5668_\u4f20\u5947\u6570\u636e\u6e90\u7801_\u6e90\u7801.zip\" src=\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/05\/20250510172558-681f8c26d76a7.png\" \/> <\/p>\n<h2> 1. \u5fae\u7aef\u670d\u52a1\u5668\u67b6\u6784\u4e0e\u8f7b\u91cf\u7ea7\u6846\u67b6\u7684\u63a2\u7d22 <\/h2>\n<h3> 1.1 \u5fae\u7aef\u670d\u52a1\u5668\u67b6\u6784\u7684\u6982\u5ff5 <\/h3>\n<p> \u968f\u7740\u4e92\u8054\u7f51\u6280\u672f\u7684\u98de\u901f\u53d1\u5c55&#xff0c;\u5fae\u7aef\u670d\u52a1\u5668\u67b6\u6784\u5728\u8bf8\u591a\u9886\u57df\u5c24\u5176\u662f\u6e38\u620f\u884c\u4e1a\u4e2d\u663e\u793a\u51fa\u5176\u72ec\u7279\u7684\u4f18\u52bf\u3002\u8fd9\u79cd\u67b6\u6784\u4e3b\u8981\u901a\u8fc7\u4f18\u5316\u670d\u52a1\u5668\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u5904\u7406\u80fd\u529b&#xff0c;\u4ee5\u63d0\u4f9b\u66f4\u9ad8\u7684\u7528\u6237\u4f53\u9a8c\u548c\u66f4\u4f4e\u7684\u8fd0\u8425\u6210\u672c\u3002\u5fae\u7aef\u670d\u52a1\u5668\u67b6\u6784\u662f\u4e00\u79cd\u5c06\u5e94\u7528\u7a0b\u5e8f\u62c6\u5206\u6210\u591a\u4e2a\u5fae\u670d\u52a1\u7ec4\u4ef6&#xff0c;\u5e76\u5728\u670d\u52a1\u95f4\u8fdb\u884c\u9ad8\u6548\u901a\u4fe1\u7684\u67b6\u6784\u6a21\u5f0f\u3002 <\/p>\n<h3> 1.2 \u8f7b\u91cf\u7ea7\u6846\u67b6\u7684\u9009\u62e9 <\/h3>\n<p> \u8f7b\u91cf\u7ea7\u6846\u67b6\u4ee5\u5c0f\u578b\u3001\u7075\u6d3b\u3001\u6613\u4e8e\u6269\u5c55\u7684\u7279\u70b9\u5907\u53d7\u9752\u7750\u3002\u9009\u62e9\u5408\u9002\u7684\u6846\u67b6\u53ef\u4ee5\u63d0\u9ad8\u5f00\u53d1\u6548\u7387&#xff0c;\u4f18\u5316\u8d44\u6e90\u4f7f\u7528&#xff0c;\u5e76\u51cf\u5c11\u7ef4\u62a4\u6210\u672c\u3002\u5982Node.js\u3001Go\u8bed\u8a00\u7684\u6846\u67b6&#xff0c;\u4ee5\u53ca\u9488\u5bf9\u5fae\u670d\u52a1\u8bbe\u8ba1\u7684Spring Boot\u548cDjango\u7b49\u90fd\u662f\u6784\u5efa\u5fae\u7aef\u670d\u52a1\u5668\u65f6\u8003\u8651\u7684\u70ed\u95e8\u9009\u9879\u3002 <\/p>\n<h3> 1.3 \u5b9e\u73b0\u5fae\u7aef\u670d\u52a1\u5668\u67b6\u6784\u7684\u7b56\u7565 <\/h3>\n<p> \u5b9e\u73b0\u5fae\u7aef\u670d\u52a1\u5668\u67b6\u6784\u9700\u8981\u7cbe\u5fc3\u7b56\u5212\u548c\u79d1\u5b66\u7ba1\u7406&#xff0c;\u5305\u62ec\u4f46\u4e0d\u9650\u4e8e\u670d\u52a1\u7684\u6a21\u5757\u5316\u8bbe\u8ba1\u3001\u5bb9\u5668\u5316\u90e8\u7f72\u3001\u52a8\u6001\u4f38\u7f29\u3001\u4ee5\u53ca\u8d1f\u8f7d\u5747\u8861\u3002\u5f00\u53d1\u8005\u5e94\u6df1\u5165\u7406\u89e3\u4e1a\u52a1\u9700\u6c42&#xff0c;\u5408\u7406\u5b89\u6392\u5404\u5fae\u670d\u52a1\u7684\u804c\u8d23&#xff0c;\u4ee5\u53ca\u5982\u4f55\u9ad8\u6548\u5730\u534f\u540c\u5de5\u4f5c\u3002\u540c\u65f6&#xff0c;\u4e5f\u5e94\u8003\u8651\u76d1\u63a7\u548c\u65e5\u5fd7\u5206\u6790\u5de5\u5177\u6765\u786e\u4fdd\u670d\u52a1\u8d28\u91cf\u3002\u901a\u8fc7\u8fd9\u4e9b\u7b56\u7565&#xff0c;\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u5fae\u7aef\u670d\u52a1\u5668\u67b6\u6784\u7684\u53ef\u9760\u6027\u548c\u6027\u80fd\u3002 <\/p>\n<h2> 2. \u6e38\u620f\u6570\u636e\u7ba1\u7406\u4e0e\u6570\u636e\u5e93\u5e94\u7528\u5b9e\u8df5 <\/h2>\n<h4> 2.1 \u6570\u636e\u7ba1\u7406\u7684\u57fa\u7840\u6982\u5ff5 <\/h4>\n<h5> 2.1.1 \u6570\u636e\u5e93\u7684\u9009\u62e9\u4e0e\u5b89\u88c5 <\/h5>\n<p> \u6570\u636e\u5e93\u662f\u6e38\u620f\u6570\u636e\u5b58\u50a8\u7684\u6838\u5fc3&#xff0c;\u5176\u6027\u80fd\u548c\u7a33\u5b9a\u6027\u76f4\u63a5\u5173\u7cfb\u5230\u6e38\u620f\u8fd0\u8425\u7684\u6548\u679c\u3002\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e93\u662f\u6e38\u620f\u5f00\u53d1\u4e2d\u4e0d\u53ef\u6216\u7f3a\u7684\u4e00\u73af\u3002\u76ee\u524d&#xff0c;\u6570\u636e\u5e93\u9886\u57df\u4e3b\u8981\u6709\u5173\u7cfb\u578b\u6570\u636e\u5e93&#xff08;\u5982MySQL\u3001PostgreSQL&#xff09;\u548c\u975e\u5173\u7cfb\u578b\u6570\u636e\u5e93&#xff08;\u5982MongoDB\u3001Redis&#xff09;\u7b49\u89e3\u51b3\u65b9\u6848\u3002 <\/p>\n<p> \u5bf9\u4e8e\u5927\u591a\u6570\u6e38\u620f\u5e94\u7528&#xff0c;MySQL\u662f\u4e00\u4e2a\u826f\u597d\u7684\u8d77\u70b9&#xff0c;\u5b83\u6210\u719f\u7a33\u5b9a&#xff0c;\u793e\u533a\u652f\u6301\u5f3a\u5927\u3002\u5728\u5b89\u88c5MySQL\u65f6&#xff0c;\u63a8\u8350\u4f7f\u7528\u5305\u7ba1\u7406\u5668\u6765\u786e\u4fdd\u4f9d\u8d56\u548c\u914d\u7f6e\u6b63\u786e\u3002\u4ee5Ubuntu\u4e3a\u4f8b&#xff0c;\u53ef\u4ee5\u4f7f\u7528\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5&#xff1a; <\/p>\n<p>sudo apt-get update<br \/>\nsudo apt-get install mysql-server<\/p>\n<p> \u5b89\u88c5\u5b8c\u6210\u540e&#xff0c;\u8fd0\u884c\u5b89\u5168\u5b89\u88c5\u811a\u672c\u6765\u8bbe\u7f6eroot\u5bc6\u7801\u548c\u914d\u7f6e\u9632\u706b\u5899&#xff1a; <\/p>\n<p>sudo mysql_secure_installation<\/p>\n<h5> 2.1.2 \u6570\u636e\u5e93\u8fde\u63a5\u4e0e\u4f18\u5316 <\/h5>\n<p> \u6570\u636e\u5e93\u8fde\u63a5\u662f\u5e94\u7528\u8bbf\u95ee\u6570\u636e\u5e93\u7684\u65b9\u5f0f&#xff0c;\u5e38\u89c1\u7684\u6709JDBC\u3001ODBC\u3001ADO.NET\u7b49\u3002\u9009\u62e9\u5408\u9002\u7684\u6570\u636e\u5e93\u8fde\u63a5\u65b9\u5f0f\u53ef\u4ee5\u63d0\u9ad8\u5e94\u7528\u6027\u80fd&#xff0c;\u51cf\u5c11\u8d44\u6e90\u6d88\u8017\u3002\u5bf9\u4e8eJava\u5e94\u7528&#xff0c;\u63a8\u8350\u4f7f\u7528JDBC\u9a71\u52a8\u3002 <\/p>\n<p> \u6570\u636e\u5e93\u6027\u80fd\u4f18\u5316\u6d89\u53ca\u591a\u4e2a\u5c42\u9762&#xff0c;\u5982\u67e5\u8be2\u4f18\u5316\u3001\u7d22\u5f15\u8bbe\u8ba1\u3001\u5b58\u50a8\u5f15\u64ce\u9009\u62e9\u7b49\u3002\u4e00\u4e2a\u6709\u6548\u7684\u4f18\u5316\u65b9\u6cd5\u662f\u5b9a\u671f\u5206\u6790\u67e5\u8be2\u8ba1\u5212&#xff1a; <\/p>\n<p>EXPLAIN SELECT * FROM table_name;<\/p>\n<p> \u8fd8\u53ef\u4ee5\u4f7f\u7528\u7d22\u5f15\u4f18\u5316\u67e5\u8be2\u6027\u80fd&#xff1a; <\/p>\n<p>CREATE INDEX idx_column_name ON table_name (column_name);<\/p>\n<h4> 2.2 \u6570\u636e\u5e93\u9ad8\u7ea7\u5e94\u7528 <\/h4>\n<h5> 2.2.1 \u6570\u636e\u5e93\u8bbe\u8ba1\u539f\u5219 <\/h5>\n<p> \u6570\u636e\u5e93\u8bbe\u8ba1\u662f\u6784\u5efa\u9ad8\u6548\u3001\u53ef\u6269\u5c55\u6570\u636e\u6a21\u578b\u7684\u5173\u952e\u3002\u57fa\u672c\u7684\u8bbe\u8ba1\u539f\u5219\u5305\u62ec\u6570\u636e\u89c4\u8303\u5316\u3001\u51cf\u5c11\u5197\u4f59\u3001\u5408\u7406\u4f7f\u7528\u7d22\u5f15\u7b49\u3002\u89c4\u8303\u5316\u662f\u907f\u514d\u6570\u636e\u5197\u4f59\u548c\u66f4\u65b0\u5f02\u5e38\u7684\u4e00\u79cd\u65b9\u6cd5&#xff0c;\u901a\u5e38\u5206\u4e3a\u4e00\u81f3\u4e94\u8303\u5f0f\u3002\u4f46\u8fc7\u5ea6\u89c4\u8303\u5316\u53ef\u80fd\u4f1a\u5bfc\u81f4\u67e5\u8be2\u6027\u80fd\u964d\u4f4e&#xff0c;\u56e0\u6b64\u5728\u8bbe\u8ba1\u65f6\u9700\u8981\u627e\u5230\u5e73\u8861\u3002 <\/p>\n<h5> 2.2.2 \u4e8b\u52a1\u7ba1\u7406\u4e0e\u5e76\u53d1\u63a7\u5236 <\/h5>\n<p> \u4e8b\u52a1\u662f\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6700\u5c0f\u5de5\u4f5c\u5355\u5143&#xff0c;\u5b83\u4fdd\u8bc1\u4e86\u4e00\u7ec4\u64cd\u4f5c\u8981\u4e48\u5168\u90e8\u5b8c\u6210&#xff0c;\u8981\u4e48\u5168\u90e8\u4e0d\u6267\u884c\u3002\u5728\u5e76\u53d1\u73af\u5883\u4e0b&#xff0c;\u4e8b\u52a1\u7684\u7ba1\u7406\u662f\u4fdd\u8bc1\u6570\u636e\u4e00\u81f4\u6027\u7684\u5173\u952e\u3002\u5728MySQL\u4e2d&#xff0c;\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e\u9694\u79bb\u7ea7\u522b\u6765\u63a7\u5236\u4e8b\u52a1\u7684\u5e76\u53d1\u884c\u4e3a&#xff1a; <\/p>\n<p>SET TRANSACTION ISOLATION LEVEL READ COMMITTED;<\/p>\n<p> \u9002\u5f53\u7684\u5e76\u53d1\u63a7\u5236\u7b56\u7565\u80fd\u591f\u907f\u514d\u810f\u8bfb\u3001\u4e0d\u53ef\u91cd\u590d\u8bfb\u548c\u5e7b\u8bfb\u7b49\u95ee\u9898\u3002 <\/p>\n<h4> 2.3 \u6570\u636e\u5e93\u7f16\u7a0b\u5b9e\u8df5 <\/h4>\n<h5> 2.3.1 SQL\u8bed\u53e5\u7684\u5e94\u7528\u4e0e\u4f18\u5316 <\/h5>\n<p> SQL\u8bed\u53e5\u662f\u4e0e\u6570\u636e\u5e93\u4ea4\u4e92\u7684\u4e3b\u8981\u8bed\u8a00\u3002\u7f16\u5199\u9ad8\u6548SQL\u8bed\u53e5\u53ef\u4ee5\u663e\u8457\u63d0\u5347\u6570\u636e\u5e93\u64cd\u4f5c\u7684\u6027\u80fd\u3002\u4f7f\u7528\u9884\u7f16\u8bd1\u8bed\u53e5\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd&#xff0c;\u51cf\u5c11SQL\u6ce8\u5165\u98ce\u9669&#xff1a; <\/p>\n<p>PreparedStatement pstmt &#061; connection.prepareStatement(&#034;SELECT * FROM table_name WHERE column_name &#061; ?&#034;);<br \/>\npstmt.setString(1, &#034;value&#034;);<br \/>\nResultSet rs &#061; pstmt.executeQuery();<\/p>\n<p> \u7d22\u5f15\u7684\u4f7f\u7528\u548cSQL\u8bed\u53e5\u7684\u4f18\u5316\u5bf9\u4e8e\u67e5\u8be2\u6027\u80fd\u81f3\u5173\u91cd\u8981\u3002\u901a\u5e38&#xff0c;\u5148\u8fc7\u6ee4\u518d\u6392\u5e8f\u662f\u4f18\u5316\u67e5\u8be2\u6027\u80fd\u7684\u6709\u6548\u65b9\u6cd5&#xff1a; <\/p>\n<p>SELECT * FROM table_name WHERE condition ORDER BY sorting_column;<\/p>\n<h5> 2.3.2 \u6570\u636e\u5e93\u5b58\u50a8\u8fc7\u7a0b\u4e0e\u89e6\u53d1\u5668 <\/h5>\n<p> \u5b58\u50a8\u8fc7\u7a0b\u662f\u4e00\u7ec4\u4e3a\u4e86\u5b8c\u6210\u7279\u5b9a\u529f\u80fd\u7684SQL\u8bed\u53e5\u96c6\u5408&#xff0c;\u53ef\u4ee5\u88ab\u5c01\u88c5\u5728\u6570\u636e\u5e93\u4e2d&#xff0c;\u65b9\u4fbf\u8c03\u7528\u3002\u5bf9\u4e8e\u590d\u6742\u7684\u4e1a\u52a1\u903b\u8f91&#xff0c;\u53ef\u4ee5\u5c06\u64cd\u4f5c\u5c01\u88c5\u6210\u5b58\u50a8\u8fc7\u7a0b&#xff0c;\u4ee5\u63d0\u9ad8\u6267\u884c\u6548\u7387\u548c\u5b89\u5168\u6027&#xff1a; <\/p>\n<p>DELIMITER \/\/<br \/>\nCREATE PROCEDURE get_user_info(IN user_id INT)<br \/>\nBEGIN<br \/>\n    SELECT * FROM users WHERE id &#061; user_id;<br \/>\nEND \/\/<br \/>\nDELIMITER ;<\/p>\n<p> \u89e6\u53d1\u5668\u662f\u4e00\u79cd\u7279\u6b8a\u7c7b\u578b\u7684\u5b58\u50a8\u8fc7\u7a0b&#xff0c;\u5b83\u4f1a\u5728\u7279\u5b9a\u7684\u6570\u636e\u5e93\u4e8b\u4ef6\u53d1\u751f\u65f6\u81ea\u52a8\u6267\u884c\u3002\u89e6\u53d1\u5668\u9002\u5408\u4e8e\u81ea\u52a8\u66f4\u65b0\u6570\u636e\u5b8c\u6574\u6027\u7b49\u573a\u666f&#xff1a; <\/p>\n<p>CREATE TRIGGER before_insert_user<br \/>\nBEFORE INSERT ON users<br \/>\nFOR EACH ROW<br \/>\nBEGIN<br \/>\n    IF NEW.age &lt; 18 THEN<br \/>\n        SIGNAL SQLSTATE &#039;45000&#039; SET MESSAGE_TEXT &#061; &#039;\u672a\u6210\u5e74\u4eba\u4e0d\u5f97\u6ce8\u518c\u7528\u6237&#039;;<br \/>\n    END IF;<br \/>\nEND;<\/p>\n<p> \u4ee5\u4e0a\u662f\u9488\u5bf9\u7b2c\u4e8c\u7ae0\u5185\u5bb9\u7684\u8be6\u7ec6\u5c55\u5f00&#xff0c;\u6db5\u76d6\u4e86\u6570\u636e\u7ba1\u7406\u7684\u57fa\u7840\u6982\u5ff5\u3001\u6570\u636e\u5e93\u9ad8\u7ea7\u5e94\u7528\u548c\u6570\u636e\u5e93\u7f16\u7a0b\u5b9e\u8df5\u7684\u76f8\u5173\u77e5\u8bc6&#xff0c;\u5e0c\u671b\u901a\u8fc7\u7ec6\u81f4\u7684\u4ecb\u7ecd\u80fd\u591f\u5e2e\u52a9\u8bfb\u8005\u6df1\u5165\u7406\u89e3\u5e76\u638c\u63e1\u76f8\u5173\u6280\u672f\u3002 <\/p>\n<h2> 3. \u7f51\u7edc\u7f16\u7a0b\u4e0eTCP\/IP\u534f\u8bae\u7684\u6df1\u5165\u5b9e\u73b0 <\/h2>\n<h3> 3.1 TCP\/IP\u534f\u8bae\u57fa\u7840 <\/h3>\n<h4> 3.1.1 \u534f\u8bae\u6808\u7ed3\u6784\u4e0e\u5404\u5c42\u529f\u80fd <\/h4>\n<p> \u4e92\u8054\u7f51\u7684\u6838\u5fc3\u662f\u4e00\u7ec4\u88ab\u79f0\u4e3aTCP\/IP\u7684\u534f\u8bae&#xff0c;\u5b83\u4eec\u5b9a\u4e49\u4e86\u6570\u636e\u4ece\u4e00\u53f0\u8ba1\u7b97\u673a\u4f20\u8f93\u5230\u53e6\u4e00\u53f0\u8ba1\u7b97\u673a\u7684\u65b9\u5f0f\u3002TCP\/IP\u534f\u8bae\u6808\u53ef\u4ee5\u5206\u4e3a\u56db\u4e2a\u5c42\u6b21&#xff1a;\u94fe\u8def\u5c42\u3001\u7f51\u7edc\u5c42\u3001\u4f20\u8f93\u5c42\u548c\u5e94\u7528\u5c42\u3002 <\/p>\n<ul>\n<li>\n<p>  \u94fe\u8def\u5c42  &#xff1a;\u5904\u7406\u4e0e\u7269\u7406\u7f51\u7edc\u8bbe\u5907\u4e4b\u95f4\u7684\u6570\u636e\u4f20\u8f93&#xff0c;\u5982\u4ee5\u592a\u7f51\u6216Wi-Fi\u3002\u5b83\u8d1f\u8d23\u5c06\u6570\u636e\u5305\u5c01\u88c5\u6210\u5e27\u5e76\u4f20\u8f93\u5230\u7269\u7406\u7f51\u7edc\u4e0a\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u7f51\u7edc\u5c42  &#xff1a;\u5173\u6ce8\u6570\u636e\u5305\u5728\u4e0d\u540c\u7f51\u7edc\u4e4b\u95f4\u7684\u4f20\u9012&#xff0c;\u8d1f\u8d23\u628a\u6570\u636e\u5305\u4ece\u6e90\u4e3b\u673a\u8def\u7531\u5230\u76ee\u6807\u4e3b\u673a\u3002\u6700\u91cd\u8981\u7684\u534f\u8bae\u662fIP&#xff08;\u4e92\u8054\u7f51\u534f\u8bae&#xff09;&#xff0c;\u5b83\u63d0\u4f9b\u5730\u5740\u7cfb\u7edf\u4ee5\u53ca\u6570\u636e\u5305\u8def\u7531\u529f\u80fd\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u4f20\u8f93\u5c42  &#xff1a;\u8d1f\u8d23\u7aef\u5230\u7aef\u7684\u901a\u4fe1&#xff0c;\u786e\u4fdd\u6570\u636e\u6b63\u786e\u65e0\u8bef\u5730\u4ece\u6e90\u7aef\u4f20\u8f93\u5230\u76ee\u6807\u7aef\u3002\u6700\u8457\u540d\u7684\u4e24\u4e2a\u534f\u8bae\u662fTCP&#xff08;\u4f20\u8f93\u63a7\u5236\u534f\u8bae&#xff09;\u548cUDP&#xff08;\u7528\u6237\u6570\u636e\u62a5\u534f\u8bae&#xff09;\u3002TCP\u63d0\u4f9b\u4e86\u53ef\u9760\u7684\u3001\u9762\u5411\u8fde\u63a5\u7684\u670d\u52a1&#xff0c;\u800cUDP\u5219\u662f\u4e00\u79cd\u4e0d\u53ef\u9760\u7684\u3001\u65e0\u8fde\u63a5\u7684\u670d\u52a1\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u5e94\u7528\u5c42  &#xff1a;\u4f4d\u4e8e\u534f\u8bae\u6808\u7684\u9876\u5c42&#xff0c;\u4e3a\u7528\u6237\u63d0\u4f9b\u5404\u79cd\u7f51\u7edc\u670d\u52a1\u3002\u4f8b\u5982&#xff0c;HTTP\/HTTPS\u534f\u8bae\u7528\u4e8e\u7f51\u9875\u4f20\u8f93&#xff0c;SMTP\u7528\u4e8e\u7535\u5b50\u90ae\u4ef6&#xff0c;DNS\u7528\u4e8e\u57df\u540d\u89e3\u6790\u7b49\u3002 <\/p>\n<\/li>\n<\/ul>\n<h4> 3.1.2 \u5e38\u89c1\u7f51\u7edc\u534f\u8bae\u4e0e\u5e94\u7528 <\/h4>\n<p> \u7f51\u7edc\u534f\u8bae\u662f\u8ba1\u7b97\u673a\u7f51\u7edc\u4e2d\u7528\u4e8e\u6570\u636e\u4f20\u8f93\u7684\u4e00\u5957\u89c4\u5219&#xff0c;\u5b83\u4eec\u5b9a\u4e49\u4e86\u6570\u636e\u4ea4\u6362\u7684\u683c\u5f0f\u3001\u53d1\u9001\u548c\u63a5\u6536\u7684\u65f6\u5e8f\u4ee5\u53ca\u6570\u636e\u5b8c\u6574\u6027\u3001\u9519\u8bef\u68c0\u6d4b\u7b49\u673a\u5236\u3002 <\/p>\n<p> \u4e00\u4e9b\u5e38\u89c1\u7684\u7f51\u7edc\u534f\u8bae\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li>\n<p>  HTTP\/HTTPS  : \u7528\u4e8e\u6570\u636e\u4f20\u8f93\u7684\u65e0\u72b6\u6001\u534f\u8bae&#xff0c;\u73b0\u5728\u662f\u4e92\u8054\u7f51\u901a\u4fe1\u7684\u57fa\u77f3\u3002HTTPS\u662fHTTP\u7684\u5b89\u5168\u7248&#xff0c;\u4f7f\u7528SSL\/TLS\u8fdb\u884c\u52a0\u5bc6\u3002 <\/p>\n<\/li>\n<li>\n<p>  FTP\/SFTP  : \u6587\u4ef6\u4f20\u8f93\u534f\u8bae&#xff0c;\u7528\u4e8e\u5728\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u4f20\u8f93\u6587\u4ef6\u3002SFTP\u662f\u5176\u5b89\u5168\u7248\u672c&#xff0c;\u901a\u8fc7SSH\u8fde\u63a5\u4f20\u8f93\u6587\u4ef6\u3002 <\/p>\n<\/li>\n<li>\n<p>  SMTP\/POP3\/IMAP  : \u7528\u4e8e\u53d1\u9001\u548c\u63a5\u6536\u7535\u5b50\u90ae\u4ef6\u3002SMTP\u8d1f\u8d23\u53d1\u9001\u90ae\u4ef6&#xff0c;\u800cPOP3\u548cIMAP\u7528\u4e8e\u63a5\u6536\u90ae\u4ef6&#xff0c;\u540e\u8005\u63d0\u4f9b\u4e86\u66f4\u597d\u7684\u90ae\u4ef6\u540c\u6b65\u548c\u5b58\u50a8\u529f\u80fd\u3002 <\/p>\n<\/li>\n<li>\n<p>  DNS  : \u57df\u540d\u7cfb\u7edf&#xff0c;\u5c06\u6613\u4e8e\u8bb0\u5fc6\u7684\u57df\u540d\u8f6c\u6362\u4e3aIP\u5730\u5740\u3002 <\/p>\n<\/li>\n<li>\n<p>  SSH  : \u5b89\u5168\u5916\u58f3\u534f\u8bae&#xff0c;\u7528\u4e8e\u5b89\u5168\u8bbf\u95ee\u8fdc\u7a0b\u670d\u52a1\u5668&#xff0c;\u652f\u6301\u52a0\u5bc6\u548c\u5bc6\u94a5\u8ba4\u8bc1\u673a\u5236\u3002 <\/p>\n<\/li>\n<\/ul>\n<h3> 3.2 \u7f51\u7edc\u7f16\u7a0b\u7684\u5b9e\u8df5\u6280\u5de7 <\/h3>\n<h4> 3.2.1 \u5957\u63a5\u5b57\u7f16\u7a0b\u4e0e\u6d88\u606f\u4f20\u9012 <\/h4>\n<p> \u7f51\u7edc\u7f16\u7a0b\u4e2d\u6700\u6838\u5fc3\u7684\u6982\u5ff5\u4e4b\u4e00\u662f\u4f7f\u7528\u5957\u63a5\u5b57&#xff08;sockets&#xff09;\u3002\u5957\u63a5\u5b57\u662f\u4e00\u79cd\u7f16\u7a0b\u63a5\u53e3&#xff08;API&#xff09;&#xff0c;\u5b83\u4e3a\u7f51\u7edc\u901a\u4fe1\u63d0\u4f9b\u4e86\u57fa\u7840\u3002\u5b83\u5b58\u5728\u4e8e\u4f20\u8f93\u5c42&#xff0c;\u4e3a\u5e94\u7528\u5c42\u63d0\u4f9b\u53d1\u9001\u548c\u63a5\u6536\u6570\u636e\u7684\u80fd\u529b\u3002 <\/p>\n<ul>\n<li>  \u5957\u63a5\u5b57\u7c7b\u578b  &#xff1a; <\/li>\n<li> \u6d41\u5957\u63a5\u5b57&#xff08;SOCK_STREAM&#xff09;\u4f7f\u7528TCP\u534f\u8bae&#xff0c;\u4e3a\u6570\u636e\u4f20\u8f93\u63d0\u4f9b\u4e00\u4e2a\u53ef\u9760\u7684\u3001\u9762\u5411\u8fde\u63a5\u7684\u670d\u52a1\u3002 <\/li>\n<li>\n<p> \u6570\u636e\u62a5\u5957\u63a5\u5b57&#xff08;SOCK_DGRAM&#xff09;\u4f7f\u7528UDP\u534f\u8bae&#xff0c;\u662f\u4e00\u79cd\u65e0\u8fde\u63a5\u7684\u3001\u4e0d\u53ef\u9760\u7684\u6570\u636e\u4f20\u8f93\u65b9\u5f0f\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u5957\u63a5\u5b57\u7f16\u7a0b\u793a\u4f8b  &#xff1a; <\/p>\n<p> &#096;&#096;&#096;c \/\/ C\u8bed\u8a00\u4e2d\u7684TCP\u5957\u63a5\u5b57\u670d\u52a1\u5668\u793a\u4f8b <\/p>\n<h2> include <\/p>\n<\/h2>\n<h2> include <\/p>\n<\/h2>\n<h2> include <\/p>\n<\/h2>\n<h2> include <\/p>\n<\/h2>\n<h2> include <\/p>\n<\/h2>\n<p> int main() { int serv_sock, clnt_sock; struct sockaddr_in serv_addr, clnt_addr; socklen_t clnt_addr_size; char message[] &#061; &#034;Hello, World!&#034;; \/\/ \u521b\u5efa\u5957\u63a5\u5b57 serv_sock &#061; socket(PF_INET, SOCK_STREAM, 0); if (serv_sock &#061;&#061; -1) { perror(&#034;socket() error&#034;); exit(1); } \/\/ \u8bbe\u7f6e\u670d\u52a1\u5668\u5730\u5740 memset(&amp;serv_addr, 0, sizeof(serv_addr)); serv_addr.sin_family &#061; AF_INET; serv_addr.sin_addr.s_addr &#061; htonl(INADDR_ANY); serv_addr.sin_port &#061; htons(7777); \/\/ \u7ed1\u5b9a\u5957\u63a5\u5b57 if (bind(serv_sock, (struct sockaddr  )&amp;serv_addr, sizeof(serv_addr)) &#061;&#061; -1) { perror(&#034;bind() error&#034;); exit(1); } \/\/ \u76d1\u542c\u8fde\u63a5\u8bf7\u6c42 if (listen(serv_sock, 5) &#061;&#061; -1) { perror(&#034;listen() error&#034;); exit(1); } \/\/ \u63a5\u53d7\u8fde\u63a5\u8bf7\u6c42 clnt_addr_size &#061; sizeof(clnt_addr); clnt_sock &#061; accept(serv_sock, (struct sockaddr  )&amp;clnt_addr, &amp;clnt_addr_size); if (clnt_sock &#061;&#061; -1) { perror(&#034;accept() error&#034;); exit(1); } \/\/ \u6570\u636e\u53d1\u9001 send(clnt_sock, message, strlen(message), 0); close(clnt_sock); close(serv_sock); return 0; } &#096;&#096;&#096; <\/p>\n<\/li>\n<\/ul>\n<h4> 3.2.2 \u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u4e0e\u63a5\u6536 <\/h4>\n<p> \u5728\u8fdb\u884c\u7f51\u7edc\u7f16\u7a0b\u65f6&#xff0c;\u4e3a\u4e86\u5b9e\u73b0\u9ad8\u6548\u7684\u6570\u636e\u4f20\u8f93\u548c\u63a5\u6536&#xff0c;\u9700\u8981\u8003\u8651\u4ee5\u4e0b\u51e0\u70b9&#xff1a; <\/p>\n<ul>\n<li>\n<p>  I\/O\u590d\u7528  &#xff1a;\u4f7f\u7528\u5982select\u3001poll\u3001epoll&#xff08;Linux\u7279\u6709&#xff09;\u7b49\u6280\u672f&#xff0c;\u5141\u8bb8\u5355\u4e2a\u7ebf\u7a0b\u6216\u8fdb\u7a0b\u540c\u65f6\u76d1\u89c6\u591a\u4e2a\u6587\u4ef6\u63cf\u8ff0\u7b26\u3002\u8fd9\u6837\u53ef\u4ee5\u6709\u6548\u5730\u5904\u7406\u591a\u4e2a\u7f51\u7edc\u8fde\u63a5&#xff0c;\u63d0\u9ad8\u7a0b\u5e8f\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u541e\u5410\u91cf\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u7f13\u51b2\u533a\u7ba1\u7406  &#xff1a;\u5408\u7406\u914d\u7f6e\u548c\u4f7f\u7528\u7f13\u51b2\u533a&#xff0c;\u907f\u514d\u9891\u7e41\u7684\u7cfb\u7edf\u8c03\u7528&#xff0c;\u5982read\u548cwrite&#xff0c;\u53ef\u4ee5\u51cf\u5c11CPU\u548c\u5185\u6838\u7a7a\u95f4\u7684\u5207\u6362&#xff0c;\u964d\u4f4e\u5f00\u9500\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u975e\u963b\u585e\u5957\u63a5\u5b57  &#xff1a;\u901a\u8fc7\u8bbe\u7f6e\u5957\u63a5\u5b57\u4e3a\u975e\u963b\u585e\u6a21\u5f0f&#xff0c;\u53ef\u4ee5\u4f7f\u8bfb\u5199\u64cd\u4f5c\u4e0d\u4f1a\u6302\u8d77\u8c03\u7528\u7ebf\u7a0b&#xff0c;\u800c\u662f\u7acb\u5373\u8fd4\u56de&#xff0c;\u6839\u636e\u8fd4\u56de\u503c\u51b3\u5b9a\u4e0b\u4e00\u6b65\u64cd\u4f5c\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u6570\u636e\u538b\u7f29  &#xff1a;\u5bf9\u4f20\u8f93\u7684\u6570\u636e\u8fdb\u884c\u538b\u7f29\u53ef\u4ee5\u51cf\u5c11\u4f20\u8f93\u65f6\u95f4&#xff0c;\u5c24\u5176\u9002\u7528\u4e8e\u4f20\u8f93\u5927\u91cf\u6570\u636e\u7684\u60c5\u51b5\u3002 <\/p>\n<\/li>\n<\/ul>\n<h3> 3.3 \u7f51\u7edc\u5b89\u5168\u4e0e\u9632\u62a4 <\/h3>\n<h4> 3.3.1 \u7f51\u7edc\u653b\u51fb\u7c7b\u578b\u4e0e\u9632\u5fa1\u63aa\u65bd <\/h4>\n<p> \u968f\u7740\u7f51\u7edc\u6280\u672f\u7684\u53d1\u5c55&#xff0c;\u7f51\u7edc\u5b89\u5168\u95ee\u9898\u4e5f\u8d8a\u6765\u8d8a\u4e25\u91cd\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u7f51\u7edc\u653b\u51fb\u7c7b\u578b\u53ca\u5176\u9632\u5fa1\u63aa\u65bd&#xff1a; <\/p>\n<ul>\n<li>\n<p>  \u62d2\u7edd\u670d\u52a1\u653b\u51fb&#xff08;DoS\/DDoS&#xff09;  &#xff1a;\u901a\u8fc7\u8d85\u91cf\u8bf7\u6c42\u8017\u5c3d\u76ee\u6807\u7cfb\u7edf\u7684\u8d44\u6e90&#xff0c;\u4f7f\u5176\u65e0\u6cd5\u6b63\u5e38\u670d\u52a1\u3002\u9632\u5fa1\u63aa\u65bd\u5305\u62ec\u5b9e\u65bd\u6d41\u91cf\u8fc7\u6ee4\u3001\u589e\u52a0\u670d\u52a1\u5668\u5e26\u5bbd\u3001\u4f7f\u7528DDoS\u9632\u62a4\u670d\u52a1\u7b49\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u4e2d\u95f4\u4eba\u653b\u51fb&#xff08;MITM&#xff09;  &#xff1a;\u653b\u51fb\u8005\u62e6\u622a\u5e76\u7be1\u6539\u901a\u4fe1\u53cc\u65b9\u7684\u901a\u4fe1\u5185\u5bb9\u3002\u4f7f\u7528HTTPS\u7b49\u52a0\u5bc6\u534f\u8bae\u53ef\u4ee5\u6709\u6548\u9632\u5fa1MITM\u653b\u51fb\u3002 <\/p>\n<\/li>\n<li>\n<p>  SQL\u6ce8\u5165  &#xff1a;\u653b\u51fb\u8005\u5411\u6570\u636e\u5e93\u67e5\u8be2\u4e2d\u6ce8\u5165\u6076\u610fSQL\u4ee3\u7801&#xff0c;\u4ee5\u83b7\u53d6\u672a\u6388\u6743\u7684\u6570\u636e\u8bbf\u95ee\u3002\u91c7\u7528\u53c2\u6570\u5316\u67e5\u8be2\u548c\u8f93\u5165\u9a8c\u8bc1\u53ef\u4ee5\u9632\u6b62\u8fd9\u79cd\u653b\u51fb\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u8de8\u7ad9\u811a\u672c\u653b\u51fb&#xff08;XSS&#xff09;  &#xff1a;\u653b\u51fb\u8005\u5728\u7f51\u7ad9\u4e0a\u6ce8\u5165\u6076\u610f\u811a\u672c\u4ee3\u7801&#xff0c;\u76d7\u53d6\u7528\u6237\u4fe1\u606f\u6216\u7be1\u6539\u7f51\u7ad9\u5185\u5bb9\u3002\u4f7f\u7528\u5185\u5bb9\u5b89\u5168\u7b56\u7565&#xff08;CSP&#xff09;\u548c\u5bf9\u7528\u6237\u8f93\u5165\u8fdb\u884c\u7f16\u7801\u5904\u7406\u53ef\u4ee5\u51cf\u5c11XSS\u653b\u51fb\u7684\u98ce\u9669\u3002 <\/p>\n<\/li>\n<\/ul>\n<h4> 3.3.2 \u52a0\u5bc6\u6280\u672f\u4e0e\u8eab\u4efd\u9a8c\u8bc1 <\/h4>\n<p> \u7f51\u7edc\u4f20\u8f93\u4e2d\u7684\u6570\u636e\u52a0\u5bc6\u662f\u4fdd\u969c\u4fe1\u606f\u5b89\u5168\u7684\u57fa\u672c\u624b\u6bb5\u3002\u4e3b\u8981\u7684\u52a0\u5bc6\u6280\u672f\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li>\n<p>  SSL\/TLS  &#xff1a;\u7528\u4e8e\u52a0\u5bc6HTTP\u901a\u4fe1&#xff0c;\u5efa\u7acb\u5b89\u5168\u8fde\u63a5\u3002TLS\u662fSSL\u7684\u66f4\u65b0\u7248&#xff0c;\u63d0\u4f9b\u4e86\u66f4\u5f3a\u5927\u7684\u52a0\u5bc6\u529f\u80fd\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u5bf9\u79f0\u52a0\u5bc6\u4e0e\u975e\u5bf9\u79f0\u52a0\u5bc6  &#xff1a;\u5bf9\u79f0\u52a0\u5bc6\u4f7f\u7528\u76f8\u540c\u7684\u5bc6\u94a5\u8fdb\u884c\u6570\u636e\u7684\u52a0\u5bc6\u548c\u89e3\u5bc6&#xff0c;\u6548\u7387\u9ad8\u4f46\u5bc6\u94a5\u5206\u53d1\u56f0\u96be\u3002\u975e\u5bf9\u79f0\u52a0\u5bc6\u4f7f\u7528\u4e00\u5bf9\u5bc6\u94a5&#xff0c;\u4e00\u4e2a\u516c\u94a5\u7528\u4e8e\u52a0\u5bc6&#xff0c;\u4e00\u4e2a\u79c1\u94a5\u7528\u4e8e\u89e3\u5bc6&#xff0c;\u89e3\u51b3\u4e86\u5bc6\u94a5\u5206\u53d1\u7684\u95ee\u9898\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u6563\u5217\u51fd\u6570  &#xff1a;\u5982SHA\u548cMD5&#xff0c;\u7528\u4e8e\u751f\u6210\u6570\u636e\u7684\u552f\u4e00\u6307\u7eb9\u3002\u5e38\u7528\u4e8e\u9a8c\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u3002 <\/p>\n<\/li>\n<li>\n<p>  \u6570\u5b57\u7b7e\u540d\u4e0e\u8bc1\u4e66  &#xff1a;\u7528\u4e8e\u8eab\u4efd\u9a8c\u8bc1\u548c\u4fdd\u8bc1\u6570\u636e\u7684\u5b8c\u6574\u6027\u548c\u4e0d\u53ef\u5426\u8ba4\u6027\u3002\u8bc1\u4e66\u7531\u8bc1\u4e66\u9881\u53d1\u673a\u6784&#xff08;CA&#xff09;\u7b7e\u53d1&#xff0c;\u8bc1\u660e\u4e86\u516c\u94a5\u7684\u6301\u6709\u8005\u8eab\u4efd\u3002 <\/p>\n<\/li>\n<\/ul>\n<p> \u4ee3\u7801\u793a\u4f8b&#xff08;\u4f7f\u7528OpenSSL\u5e93\u8fdb\u884cSSL\u901a\u4fe1&#xff09;&#xff1a; <\/p>\n<p>#include &lt;stdio.h&gt;<br \/>\n#include &lt;openssl\/ssl.h&gt;<br \/>\n#include &lt;openssl\/err.h&gt;<\/p>\n<p>int main() {<br \/>\n    SSL_CTX *ctx;<br \/>\n    SSL *ssl;<br \/>\n    int ret;<\/p>\n<p>    \/\/ \u521d\u59cb\u5316SSL\u5e93<br \/>\n    SSL_load_error_strings();<br \/>\n    OpenSSL_add_ssl_algorithms();<br \/>\n    ctx &#061; SSL_CTX_new(SSLv23_server_method());<br \/>\n    SSL_CTX_set_ecdh_auto(ctx, 1);<br \/>\n    \/\/ \u521b\u5efaSSL\u4e0a\u4e0b\u6587<br \/>\n    if (ctx &#061;&#061; NULL) {<br \/>\n        ERR_print_errors_fp(stderr);<br \/>\n        abort();<br \/>\n    }<br \/>\n    \/\/ \u521b\u5efa\u5e76\u914d\u7f6eSSL\u670d\u52a1\u5668\u5957\u63a5\u5b57<br \/>\n    ssl &#061; SSL_new(ctx);<br \/>\n    if (ssl &#061;&#061; NULL) {<br \/>\n        ERR_print_errors_fp(stderr);<br \/>\n        abort();<br \/>\n    }<\/p>\n<p>    \/\/ SSL\u7ed1\u5b9a\u5230\u5957\u63a5\u5b57<br \/>\n    SSL_set_fd(ssl, fileno(stdout));<br \/>\n    \/\/ SSL\u63e1\u624b<br \/>\n    ret &#061; SSL_accept(ssl);<br \/>\n    if (ret &#061;&#061; 1) {<br \/>\n        char *s;<br \/>\n        char msg[] &#061; &#034;Hello, World!&#034;;<br \/>\n        s &#061; SSL_get_version(ssl);<br \/>\n        printf(&#034;%s\\\\n&#034;, s);<br \/>\n        SSL_write(ssl, msg, strlen(msg));<br \/>\n    } else {<br \/>\n        ERR_print_errors_fp(stderr);<br \/>\n    }<\/p>\n<p>    SSL_free(ssl);<br \/>\n    SSL_CTX_free(ctx);<br \/>\n    EVP_cleanup();<br \/>\n    return 0;<br \/>\n}<\/p>\n<p> \u4ee5\u4e0a\u793a\u4f8b\u5c55\u793a\u4e86\u4e00\u4e2a\u7b80\u5355\u7684\u4f7f\u7528OpenSSL\u5e93\u8fdb\u884cSSL\u901a\u4fe1\u7684\u670d\u52a1\u5668\u7aef\u5b9e\u73b0&#xff0c;\u5305\u542b\u4e86\u52a0\u8f7d\u9519\u8bef\u4fe1\u606f\u3001\u521d\u59cb\u5316SSL\u5e93\u3001\u521b\u5efaSSL\u4e0a\u4e0b\u6587\u3001\u914d\u7f6e\u5957\u63a5\u5b57\u3001\u6267\u884cSSL\u63e1\u624b\u4ee5\u53ca\u6570\u636e\u901a\u4fe1\u7684\u6b65\u9aa4\u3002\u5728\u5b9e\u9645\u5e94\u7528\u4e2d&#xff0c;\u8fd8\u9700\u8981\u5904\u7406\u5957\u63a5\u5b57\u7684\u521b\u5efa\u3001\u76d1\u542c\u548c\u63a5\u53d7\u8fde\u63a5\u7b49\u6b65\u9aa4&#xff0c;\u5e76\u4e14\u8981\u5bf9\u6240\u6709\u53ef\u80fd\u7684\u9519\u8bef\u60c5\u51b5\u505a\u51fa\u5904\u7406&#xff0c;\u4ee5\u4fdd\u8bc1\u7a0b\u5e8f\u7684\u5065\u58ee\u6027\u3002 <\/p>\n<p> \u7f51\u7edc\u5b89\u5168\u548c\u9632\u62a4\u662f\u4e00\u4e2a\u590d\u6742\u7684\u8bdd\u9898&#xff0c;\u6db5\u76d6\u4e86\u4ece\u7f51\u7edc\u534f\u8bae\u5230\u52a0\u5bc6\u6280\u672f\u7684\u5404\u4e2a\u65b9\u9762&#xff0c;\u9700\u8981\u7cfb\u7edf\u5730\u4e86\u89e3\u548c\u5b9e\u8df5\u4ee5\u786e\u4fdd\u7f51\u7edc\u73af\u5883\u7684\u5b89\u5168\u7a33\u5b9a\u3002 <\/p>\n<h2> 4. \u670d\u52a1\u5668\u5b89\u5168\u6027\u7b56\u7565\u4e0e\u7528\u6237\u8ba4\u8bc1\u673a\u5236 <\/h2>\n<p> \u670d\u52a1\u5668\u5b89\u5168\u6027\u7b56\u7565\u548c\u7528\u6237\u8ba4\u8bc1\u673a\u5236\u662f\u4fdd\u969c\u7cfb\u7edf\u7a33\u5b9a\u8fd0\u884c\u548c\u6570\u636e\u5b89\u5168\u7684\u5173\u952e\u3002\u968f\u7740\u6280\u672f\u7684\u4e0d\u65ad\u53d1\u5c55&#xff0c;\u5b89\u5168\u6f0f\u6d1e\u548c\u653b\u51fb\u624b\u6bb5\u4e5f\u8d8a\u6765\u8d8a\u5148\u8fdb\u3002\u56e0\u6b64&#xff0c;\u4e86\u89e3\u5b89\u5168\u6027\u7b56\u7565\u7684\u6700\u65b0\u8d8b\u52bf&#xff0c;\u638c\u63e1\u7528\u6237\u8ba4\u8bc1\u6280\u672f&#xff0c;\u5e76\u6b63\u786e\u5b9e\u65bd&#xff0c;\u662f\u6bcf\u4e2aIT\u4ece\u4e1a\u8005\u4e0d\u53ef\u5ffd\u89c6\u7684\u8bfe\u9898\u3002 <\/p>\n<h3> 4.1 \u5b89\u5168\u6027\u7b56\u7565\u6982\u8ff0 <\/h3>\n<p> \u5b89\u5168\u6027\u7b56\u7565\u662f\u6307\u5bfc\u548c\u7ba1\u7406\u7ec4\u7ec7\u4fdd\u62a4\u5176\u4fe1\u606f\u8d44\u6e90\u7684\u4e00\u5957\u89c4\u5219\u548c\u7a0b\u5e8f\u3002\u5b83\u4eec\u5305\u62ec\u653f\u7b56\u3001\u6807\u51c6\u3001\u7a0b\u5e8f\u548c\u5b89\u5168\u63a7\u5236\u63aa\u65bd\u3002 <\/p>\n<h4> 4.1.1 \u5b89\u5168\u6027\u6846\u67b6\u4e0e\u6700\u4f73\u5b9e\u8df5 <\/h4>\n<p> \u5b89\u5168\u6027\u6846\u67b6\u901a\u5e38\u63d0\u4f9b\u4e86\u4e00\u5957\u5168\u9762\u7684\u5b89\u5168\u7b56\u7565\u3001\u7a0b\u5e8f\u548c\u63a7\u5236\u63aa\u65bd&#xff0c;\u76ee\u7684\u662f\u4e3a\u4e86\u964d\u4f4e\u5b89\u5168\u98ce\u9669\u548c\u5e94\u5bf9\u6f5c\u5728\u7684\u5b89\u5168\u5a01\u80c1\u3002\u6846\u67b6\u5e94\u5305\u62ec\u4ee5\u4e0b\u5185\u5bb9&#xff1a; <\/p>\n<li> \u5b89\u5168\u653f\u7b56&#xff1a;\u660e\u786e\u7ec4\u7ec7\u7684\u5b89\u5168\u76ee\u6807\u548c\u5408\u89c4\u8981\u6c42\u3002 <\/li>\n<li> \u98ce\u9669\u8bc4\u4f30&#xff1a;\u5b9a\u671f\u8bc4\u4f30\u548c\u7ba1\u7406\u7cfb\u7edf\u4e2d\u7684\u5b89\u5168\u98ce\u9669\u3002 <\/li>\n<li> \u5b89\u5168\u63aa\u65bd&#xff1a;\u5305\u62ec\u9632\u706b\u5899\u3001\u5165\u4fb5\u68c0\u6d4b\u7cfb\u7edf\u3001\u53cd\u75c5\u6bd2\u8f6f\u4ef6\u7b49\u3002 <\/li>\n<li> \u5e94\u6025\u54cd\u5e94\u8ba1\u5212&#xff1a;\u53d1\u751f\u5b89\u5168\u4e8b\u4ef6\u65f6\u7684\u5e94\u5bf9\u548c\u6062\u590d\u63aa\u65bd\u3002 <\/li>\n<li> \u5ba1\u8ba1\u548c\u76d1\u63a7&#xff1a;\u5bf9\u5b89\u5168\u4e8b\u4ef6\u7684\u6301\u7eed\u76d1\u63a7\u548c\u5b9a\u671f\u5ba1\u8ba1\u3002 <\/li>\n<p> \u6700\u4f73\u5b9e\u8df5\u662f\u57fa\u4e8e\u5b9e\u9645\u64cd\u4f5c\u4e2d\u603b\u7ed3\u51fa\u7684\u884c\u4e4b\u6709\u6548\u7684\u5b89\u5168\u7b56\u7565\u3002\u4f8b\u5982&#xff0c;\u6700\u5c0f\u6743\u9650\u539f\u5219&#xff0c;\u5373\u7528\u6237\u4ec5\u83b7\u5f97\u5b8c\u6210\u5176\u4efb\u52a1\u6240\u5fc5\u9700\u7684\u6700\u5c0f\u6743\u9650&#xff0c;\u53ef\u4ee5\u6709\u6548\u964d\u4f4e\u5185\u90e8\u5a01\u80c1\u3002 <\/p>\n<h4> 4.1.2 \u5b89\u5168\u6027\u6f0f\u6d1e\u4e0e\u5ba1\u8ba1 <\/h4>\n<p> \u5b89\u5168\u6027\u6f0f\u6d1e\u662f\u6307\u7cfb\u7edf\u6216\u5e94\u7528\u8f6f\u4ef6\u4e2d\u5b58\u5728\u4e8e\u8bbe\u8ba1\u6216\u5b9e\u73b0\u4e2d\u7684\u9519\u8bef&#xff0c;\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8fd9\u4e9b\u6f0f\u6d1e\u8fdb\u5165\u7cfb\u7edf&#xff0c;\u6267\u884c\u672a\u7ecf\u6388\u6743\u7684\u64cd\u4f5c\u3002\u6f0f\u6d1e\u7684\u5e38\u89c1\u6765\u6e90\u5305\u62ec\u8f6f\u4ef6\u7f3a\u9677\u3001\u914d\u7f6e\u9519\u8bef\u6216\u4e0d\u5b89\u5168\u7684\u7f51\u7edc\u670d\u52a1\u3002 <\/p>\n<p> \u5b89\u5168\u6027\u5ba1\u8ba1\u662f\u5bf9\u7ec4\u7ec7\u7684\u5b89\u5168\u7b56\u7565\u3001\u63a7\u5236\u63aa\u65bd\u548c\u5b89\u5168\u6f0f\u6d1e\u8fdb\u884c\u68c0\u67e5\u7684\u8fc7\u7a0b&#xff0c;\u5176\u76ee\u7684\u662f\u53d1\u73b0\u548c\u7ea0\u6b63\u95ee\u9898&#xff0c;\u9884\u9632\u672a\u6765\u6f0f\u6d1e\u7684\u51fa\u73b0\u3002\u5ba1\u8ba1\u8fc7\u7a0b\u5305\u62ec\u68c0\u67e5\u65e5\u5fd7\u6587\u4ef6\u3001\u8bc4\u4f30\u7528\u6237\u6743\u9650\u548c\u914d\u7f6e\u7684\u6b63\u786e\u6027\u7b49\u3002 <\/p>\n<h3> 4.2 \u7528\u6237\u8ba4\u8bc1\u6280\u672f\u4e0e\u65b9\u6cd5 <\/h3>\n<p> \u7528\u6237\u8ba4\u8bc1\u662f\u786e\u5b9a\u7528\u6237\u8eab\u4efd\u7684\u8fc7\u7a0b\u3002\u8ba4\u8bc1\u53ef\u4ee5\u4f7f\u7528\u4e0d\u540c\u7684\u673a\u5236&#xff0c;\u6bcf\u79cd\u673a\u5236\u90fd\u6709\u5176\u7279\u5b9a\u7684\u5b89\u5168\u7ea7\u522b\u3002 <\/p>\n<h4> 4.2.1 \u8eab\u4efd\u9a8c\u8bc1\u4e0e\u6388\u6743\u673a\u5236 <\/h4>\n<p> \u8eab\u4efd\u9a8c\u8bc1\u548c\u6388\u6743\u662f\u4e24\u79cd\u4e0d\u540c\u7684\u5b89\u5168\u6982\u5ff5&#xff0c;\u4f46\u7ecf\u5e38\u88ab\u6df7\u6dc6\u3002 <\/p>\n<ul>\n<li> \u8eab\u4efd\u9a8c\u8bc1&#xff1a;\u662f\u9a8c\u8bc1\u7528\u6237\u8eab\u4efd\u7684\u8fc7\u7a0b\u3002\u5e38\u89c1\u7684\u65b9\u6cd5\u6709\u5bc6\u7801\u3001\u751f\u7269\u7279\u5f81\u548c\u8bc1\u4e66\u3002 <\/li>\n<li> \u6388\u6743&#xff1a;\u662f\u5728\u8eab\u4efd\u9a8c\u8bc1\u4e4b\u540e&#xff0c;\u786e\u5b9a\u7528\u6237\u53ef\u4ee5\u8bbf\u95ee\u54ea\u4e9b\u8d44\u6e90\u7684\u8fc7\u7a0b\u3002 <\/li>\n<\/ul>\n<p> \u4f8b\u5982&#xff0c;\u5728Web\u5e94\u7528\u4e2d&#xff0c;\u7528\u6237\u5148\u901a\u8fc7\u7528\u6237\u540d\u548c\u5bc6\u7801\u8fdb\u884c\u8eab\u4efd\u9a8c\u8bc1&#xff0c;\u7136\u540e\u6839\u636e\u7528\u6237\u7684\u89d2\u8272\u548c\u6743\u9650\u5f97\u5230\u6388\u6743\u6765\u8bbf\u95ee\u7279\u5b9a\u7684\u529f\u80fd\u6216\u6570\u636e\u3002 <\/p>\n<h4> 4.2.2 \u5355\u70b9\u767b\u5f55\u4e0e\u591a\u56e0\u7d20\u8ba4\u8bc1 <\/h4>\n<p> \u5355\u70b9\u767b\u5f55&#xff08;SSO&#xff09;\u662f\u4e00\u79cd\u7528\u6237\u8ba4\u8bc1\u670d\u52a1&#xff0c;\u5141\u8bb8\u7528\u6237\u4f7f\u7528\u4e00\u7ec4\u51ed\u8bc1&#xff08;\u4f8b\u5982\u7528\u6237\u540d\u548c\u5bc6\u7801&#xff09;\u8bbf\u95ee\u591a\u4e2a\u5e94\u7528\u3002SSO\u53ef\u4ee5\u63d0\u9ad8\u7528\u6237\u4f53\u9a8c&#xff0c;\u56e0\u4e3a\u5b83\u51cf\u5c11\u4e86\u7528\u6237\u9700\u8981\u8bb0\u4f4f\u7684\u51ed\u8bc1\u6570\u91cf\u3002 <\/p>\n<p> \u591a\u56e0\u7d20\u8ba4\u8bc1&#xff08;MFA&#xff09;\u8981\u6c42\u7528\u6237\u63d0\u4f9b\u4e24\u4e2a\u6216\u591a\u4e2a\u9a8c\u8bc1\u56e0\u7d20&#xff0c;\u4ee5\u589e\u52a0\u5b89\u5168\u6027\u3002\u8fd9\u4e9b\u56e0\u7d20\u901a\u5e38\u5206\u4e3a\u77e5\u8bc6\u56e0\u7d20&#xff08;\u5982\u5bc6\u7801&#xff09;\u3001\u62e5\u6709\u56e0\u7d20&#xff08;\u5982\u624b\u673a\u6216\u5b89\u5168\u4ee4\u724c&#xff09;\u548c\u751f\u7269\u7279\u5f81\u56e0\u7d20\u3002 <\/p>\n<h3> 4.3 \u5b89\u5168\u6027\u7b56\u7565\u7684\u5b9e\u73b0\u4e0e\u7ef4\u62a4 <\/h3>\n<p> \u5b89\u5168\u6027\u7b56\u7565\u7684\u5b9e\u65bd\u548c\u7ef4\u62a4\u662f\u4e00\u4e2a\u6301\u7eed\u7684\u8fc7\u7a0b&#xff0c;\u9700\u8981\u5b9a\u671f\u66f4\u65b0\u548c\u8bc4\u4f30\u4ee5\u9002\u5e94\u65b0\u7684\u5a01\u80c1\u3002 <\/p>\n<h4> 4.3.1 \u5b89\u5168\u6027\u7b56\u7565\u5728\u4ee3\u7801\u4e2d\u7684\u5e94\u7528 <\/h4>\n<p> \u5b89\u5168\u6027\u7b56\u7565\u5e94\u8be5\u5728\u4ee3\u7801\u5f00\u53d1\u9636\u6bb5\u5c31\u88ab\u7eb3\u5165\u8003\u8651\u3002\u4f8b\u5982&#xff0c;\u4f7f\u7528\u5b89\u5168\u7684\u7f16\u7a0b\u5b9e\u8df5&#xff0c;\u5982\u907f\u514d\u7f13\u51b2\u533a\u6ea2\u51fa\u548cSQL\u6ce8\u5165\u7b49\u5e38\u89c1\u6f0f\u6d1e\u3002 <\/p>\n<p> \u4ee3\u7801\u5ba1\u67e5\u662f\u68c0\u67e5\u4ee3\u7801\u662f\u5426\u7b26\u5408\u5b89\u5168\u6807\u51c6\u7684\u91cd\u8981\u6b65\u9aa4\u3002\u53ef\u4ee5\u624b\u52a8\u8fdb\u884c&#xff0c;\u4e5f\u53ef\u4ee5\u4f7f\u7528\u9759\u6001\u5e94\u7528\u5b89\u5168\u6d4b\u8bd5&#xff08;SAST&#xff09;\u5de5\u5177\u81ea\u52a8\u5316\u6267\u884c\u3002 <\/p>\n<h4> 4.3.2 \u5b9a\u671f\u66f4\u65b0\u4e0e\u6f0f\u6d1e\u4fee\u590d\u6d41\u7a0b <\/h4>\n<p> \u968f\u7740\u65b0\u7684\u5b89\u5168\u6f0f\u6d1e\u4e0d\u65ad\u88ab\u53d1\u73b0&#xff0c;\u5b9a\u671f\u66f4\u65b0\u548c\u6253\u8865\u4e01\u662f\u5fc5\u4e0d\u53ef\u5c11\u7684\u6b65\u9aa4\u3002\u7ec4\u7ec7\u5e94\u8be5\u6709\u4e00\u4e2a\u660e\u786e\u7684\u8865\u4e01\u7ba1\u7406\u7b56\u7565&#xff0c;\u5305\u62ec\u6d4b\u8bd5\u3001\u90e8\u7f72\u548c\u56de\u6eda\u6d41\u7a0b\u3002 <\/p>\n<p> \u6f0f\u6d1e\u7ba1\u7406\u6d41\u7a0b\u901a\u5e38\u5305\u62ec&#xff1a;\u6f0f\u6d1e\u626b\u63cf\u3001\u6f0f\u6d1e\u8bc4\u4f30\u3001\u4fee\u590d\u7b56\u7565\u5236\u5b9a\u3001\u4fee\u590d\u548c\u9a8c\u8bc1\u3002\u81ea\u52a8\u5316\u5de5\u5177\u53ef\u4ee5\u5e2e\u52a9\u7ec4\u7ec7\u6709\u6548\u5730\u8bc6\u522b\u548c\u7ba1\u7406\u6f0f\u6d1e\u3002 <\/p>\n<p> \u5728\u8fd9\u4e2a\u7ae0\u8282\u4e2d&#xff0c;\u6211\u4eec\u7531\u6d45\u5165\u6df1\u5730\u63a2\u8ba8\u4e86\u670d\u52a1\u5668\u5b89\u5168\u6027\u7b56\u7565\u548c\u7528\u6237\u8ba4\u8bc1\u673a\u5236\u3002\u9996\u5148&#xff0c;\u6211\u4eec\u4ecb\u7ecd\u4e86\u5b89\u5168\u6027\u7b56\u7565\u7684\u6846\u67b6\u548c\u6700\u4f73\u5b9e\u8df5&#xff0c;\u4ee5\u53ca\u5982\u4f55\u8fdb\u884c\u6f0f\u6d1e\u5ba1\u8ba1\u3002\u63a5\u7740&#xff0c;\u6211\u4eec\u8be6\u7ec6\u63a2\u8ba8\u4e86\u7528\u6237\u8ba4\u8bc1\u7684\u4e0d\u540c\u6280\u672f\u548c\u65b9\u6cd5&#xff0c;\u5305\u62ec\u5355\u70b9\u767b\u5f55\u548c\u591a\u56e0\u7d20\u8ba4\u8bc1\u3002\u6700\u540e&#xff0c;\u6211\u4eec\u8ba8\u8bba\u4e86\u5982\u4f55\u5728\u4ee3\u7801\u4e2d\u5b9e\u73b0\u5b89\u5168\u6027\u7b56\u7565&#xff0c;\u4ee5\u53ca\u5b9a\u671f\u66f4\u65b0\u548c\u6f0f\u6d1e\u4fee\u590d\u7684\u91cd\u8981\u6027\u3002\u901a\u8fc7\u8fd9\u4e9b\u5185\u5bb9\u7684\u5b66\u4e60&#xff0c;IT\u4ece\u4e1a\u8005\u53ef\u4ee5\u4e3a\u7cfb\u7edf\u548c\u5e94\u7528\u5236\u5b9a\u548c\u7ef4\u62a4\u4e00\u4e2a\u575a\u5b9e\u7684\u5b89\u5168\u57fa\u7840\u3002 <\/p>\n<h2> 5. \u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u4e0e\u96c6\u7fa4\u90e8\u7f72\u65b9\u6848 <\/h2>\n<p> \u8d1f\u8f7d\u5747\u8861\u662f\u63d0\u5347\u5e94\u7528\u6027\u80fd\u548c\u53ef\u9760\u6027\u7684\u5173\u952e\u6280\u672f&#xff0c;\u800c\u96c6\u7fa4\u90e8\u7f72\u5219\u662f\u901a\u8fc7\u591a\u53f0\u670d\u52a1\u5668\u5171\u540c\u5904\u7406\u8bf7\u6c42&#xff0c;\u4ee5\u5b9e\u73b0\u670d\u52a1\u7684\u9ad8\u53ef\u7528\u6027\u548c\u6269\u5c55\u6027\u3002\u5728\u8fd9\u4e00\u7ae0\u8282\u4e2d&#xff0c;\u6211\u4eec\u5c06\u6df1\u5165\u63a2\u8ba8\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u7684\u539f\u7406\u3001\u96c6\u7fa4\u90e8\u7f72\u7684\u5b9e\u8df5\u64cd\u4f5c\u4ee5\u53ca\u6027\u80fd\u6d4b\u8bd5\u548c\u8c03\u4f18\u3002 <\/p>\n<h3> 5.1 \u8d1f\u8f7d\u5747\u8861\u6280\u672f\u539f\u7406 <\/h3>\n<h4> 5.1.1 \u8d1f\u8f7d\u5747\u8861\u7684\u7c7b\u578b\u4e0e\u9009\u62e9 <\/h4>\n<p> \u8d1f\u8f7d\u5747\u8861\u662f\u6307\u5c06\u5916\u90e8\u53d1\u9001\u6765\u7684\u8bf7\u6c42\u6309\u7167\u4e00\u5b9a\u7684\u7b56\u7565\u5206\u914d\u5230\u540e\u7aef\u7684\u591a\u53f0\u670d\u52a1\u5668\u4e0a&#xff0c;\u4ee5\u907f\u514d\u5355\u4e00\u670d\u52a1\u5668\u56e0\u8bf7\u6c42\u8fc7\u591a\u800c\u9020\u6210\u8d44\u6e90\u8017\u5c3d&#xff0c;\u4ece\u800c\u63d0\u9ad8\u7cfb\u7edf\u7684\u541e\u5410\u91cf\u548c\u53ef\u7528\u6027\u3002 <\/p>\n<ul>\n<li>  \u8f6e\u8be2&#xff08;Round Robin&#xff09;  &#xff1a;\u662f\u6700\u7b80\u5355\u4e5f\u6700\u5e38\u7528\u7684\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u4e4b\u4e00\u3002\u6bcf\u4e2a\u8bf7\u6c42\u6309\u65f6\u95f4\u987a\u5e8f\u4f9d\u6b21\u5206\u914d\u5230\u4e0d\u540c\u7684\u670d\u52a1\u5668\u3002 <\/li>\n<li>  \u6700\u5c11\u8fde\u63a5&#xff08;Least Connections&#xff09;  &#xff1a;\u5c06\u65b0\u7684\u8bf7\u6c42\u5206\u914d\u7ed9\u5f53\u524d\u8fde\u63a5\u6570\u6700\u5c11\u7684\u670d\u52a1\u5668\u3002 <\/li>\n<li>  \u6e90IP\u54c8\u5e0c&#xff08;Source IP Hashing&#xff09;  &#xff1a;\u6839\u636e\u5ba2\u6237\u7aef\u7684IP\u5730\u5740\u8fdb\u884c\u54c8\u5e0c\u8fd0\u7b97&#xff0c;\u5c06\u540c\u4e00\u4e2a\u5ba2\u6237\u7aef\u7684\u8bf7\u6c42\u603b\u662f\u5206\u914d\u5230\u540c\u4e00\u53f0\u670d\u52a1\u5668\u3002 <\/li>\n<li>  \u52a0\u6743\u8f6e\u8be2&#xff08;Weighted Round Robin&#xff09;\u548c\u52a0\u6743\u6700\u5c11\u8fde\u63a5&#xff08;Weighted Least Connections&#xff09;  &#xff1a;\u5bf9\u670d\u52a1\u5668\u5206\u914d\u6743\u91cd&#xff0c;\u6743\u91cd\u9ad8\u7684\u670d\u52a1\u5668\u5c06\u83b7\u5f97\u66f4\u591a\u7684\u8bf7\u6c42\u3002 <\/li>\n<\/ul>\n<p> \u9009\u62e9\u5408\u9002\u7684\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u65f6\u9700\u8981\u8003\u8651\u5230\u5e94\u7528\u7684\u7279\u70b9\u3001\u670d\u52a1\u5668\u7684\u6027\u80fd\u548c\u6570\u91cf\u7b49\u56e0\u7d20\u3002\u4f8b\u5982&#xff0c;\u5bf9\u4e8e\u65e0\u72b6\u6001\u7684\u5e94\u7528\u53ef\u4ee5\u4f7f\u7528\u8f6e\u8be2\u7b56\u7565&#xff0c;\u800c\u6709\u72b6\u6001\u7684\u5e94\u7528\u5219\u9700\u8003\u8651\u5176\u4ed6\u7b56\u7565\u6765\u4fdd\u8bc1\u7528\u6237\u4f1a\u8bdd\u7684\u4e00\u81f4\u6027\u3002 <\/p>\n<h4> 5.1.2 \u8d1f\u8f7d\u5747\u8861\u7684\u90e8\u7f72\u4e0e\u914d\u7f6e <\/h4>\n<p> \u5b9e\u9645\u90e8\u7f72\u8d1f\u8f7d\u5747\u8861\u65f6&#xff0c;\u6709\u591a\u79cd\u6280\u672f\u548c\u5de5\u5177\u53ef\u4f9b\u9009\u62e9&#xff0c;\u6bd4\u5982\u786c\u4ef6\u8d1f\u8f7d\u5747\u8861\u5668\u3001\u8f6f\u4ef6\u8d1f\u8f7d\u5747\u8861\u5668\u3001\u4e91\u670d\u52a1\u63d0\u4f9b\u5546\u63d0\u4f9b\u7684\u8d1f\u8f7d\u5747\u8861\u670d\u52a1\u7b49\u3002 <\/p>\n<ul>\n<li>  \u786c\u4ef6\u8d1f\u8f7d\u5747\u8861\u5668  &#xff1a;\u5982F5 BIG-IP&#xff0c;\u63d0\u4f9b\u4e86\u9ad8\u6027\u80fd\u7684\u8d1f\u8f7d\u5747\u8861\u89e3\u51b3\u65b9\u6848&#xff0c;\u9002\u7528\u4e8e\u5927\u578b\u4f01\u4e1a\u73af\u5883\u3002 <\/li>\n<li>  \u8f6f\u4ef6\u8d1f\u8f7d\u5747\u8861\u5668  &#xff1a;\u5982Nginx\u3001HAProxy&#xff0c;\u53ef\u4ee5\u5229\u7528\u73b0\u6709\u7684\u670d\u52a1\u5668\u786c\u4ef6\u8d44\u6e90&#xff0c;\u5b9e\u73b0\u7075\u6d3b\u7684\u914d\u7f6e\u548c\u7ba1\u7406\u3002 <\/li>\n<li>  \u4e91\u8d1f\u8f7d\u5747\u8861\u670d\u52a1  &#xff1a;\u5982AWS ELB\u3001Google Cloud Load Balancing&#xff0c;\u63d0\u4f9b\u4e86\u6613\u4e8e\u6269\u5c55\u7684\u8d1f\u8f7d\u5747\u8861\u670d\u52a1\u3002 <\/li>\n<\/ul>\n<p> \u90e8\u7f72\u8d1f\u8f7d\u5747\u8861\u5668\u65f6&#xff0c;\u9700\u8981\u914d\u7f6e\u4ee5\u4e0b\u53c2\u6570&#xff1a; <\/p>\n<ul>\n<li>  \u670d\u52a1\u5668\u6c60\u914d\u7f6e  &#xff1a;\u914d\u7f6e\u53ef\u7528\u670d\u52a1\u5668\u7684IP\u5730\u5740\u548c\u7aef\u53e3\u3002 <\/li>\n<li>  \u5065\u5eb7\u68c0\u67e5  &#xff1a;\u914d\u7f6e\u8d1f\u8f7d\u5747\u8861\u5668\u5b9a\u671f\u68c0\u67e5\u540e\u7aef\u670d\u52a1\u5668\u7684\u5065\u5eb7\u72b6\u6001\u3002 <\/li>\n<li>  \u4f1a\u8bdd\u6301\u4e45\u6027  &#xff1a;\u914d\u7f6e\u8d1f\u8f7d\u5747\u8861\u7b56\u7565\u4ee5\u7ef4\u6301\u5ba2\u6237\u7aef\u548c\u670d\u52a1\u5668\u4e4b\u95f4\u7684\u4f1a\u8bdd\u3002 <\/li>\n<\/ul>\n<h4> 5.1.2.1 \u793a\u4f8b&#xff1a;\u914d\u7f6eNginx\u4f5c\u4e3a\u8d1f\u8f7d\u5747\u8861\u5668 <\/h4>\n<p>http {<br \/>\n    upstream myapp {<br \/>\n        server backend1.example.com;<br \/>\n        server backend2.example.com;<br \/>\n        server backend3.example.com;<br \/>\n    }<\/p>\n<p>    server {<br \/>\n        listen 80;<\/p>\n<p>        location \/ {<br \/>\n            proxy_pass http:\/\/myapp;<br \/>\n        }<br \/>\n    }<br \/>\n}<\/p>\n<p> \u5728\u4e0a\u8ff0Nginx\u914d\u7f6e\u4e2d&#xff0c;\u5b9a\u4e49\u4e86\u4e00\u4e2a\u540d\u4e3a  myapp  \u7684\u4e0a\u6e38\u670d\u52a1\u5668\u6c60&#xff0c;\u5305\u542b\u4e09\u53f0\u540e\u7aef\u670d\u52a1\u5668\u3002Nginx\u5c06\u6839\u636e\u9884\u8bbe\u7684\u7b56\u7565\u5c06\u8bf7\u6c42\u5206\u53d1\u5230\u8fd9\u4e9b\u670d\u52a1\u5668\u3002 <\/p>\n<h3> 5.2 \u96c6\u7fa4\u90e8\u7f72\u7684\u5b9e\u8df5\u64cd\u4f5c <\/h3>\n<h4> 5.2.1 \u96c6\u7fa4\u67b6\u6784\u8bbe\u8ba1\u4e0e\u9ad8\u53ef\u7528\u6027 <\/h4>\n<p> \u96c6\u7fa4\u90e8\u7f72\u662f\u5c06\u591a\u4e2a\u670d\u52a1\u5668\u7ec4\u5408\u6210\u4e00\u4e2a\u865a\u62df\u7684\u201c\u8d85\u7ea7\u8ba1\u7b97\u673a\u201d&#xff0c;\u901a\u8fc7\u5e76\u884c\u5904\u7406\u6765\u63d0\u9ad8\u6574\u4f53\u7684\u5904\u7406\u80fd\u529b\u548c\u53ef\u7528\u6027\u3002\u9ad8\u53ef\u7528\u6027&#xff08;High Availability, HA&#xff09;\u662f\u96c6\u7fa4\u8bbe\u8ba1\u7684\u5173\u952e\u76ee\u6807\u4e4b\u4e00&#xff0c;\u5b83\u8981\u6c42\u7cfb\u7edf\u5728\u4efb\u4f55\u7ec4\u4ef6\u5931\u6548\u65f6\u4ecd\u80fd\u63d0\u4f9b\u670d\u52a1\u3002 <\/p>\n<p> \u5728\u8bbe\u8ba1\u96c6\u7fa4\u67b6\u6784\u65f6&#xff0c;\u9700\u8981\u8003\u8651&#xff1a; <\/p>\n<ul>\n<li>  \u8d1f\u8f7d\u5206\u914d  &#xff1a;\u786e\u4fdd\u96c6\u7fa4\u4e2d\u7684\u8d44\u6e90\u6839\u636e\u9700\u6c42\u9ad8\u6548\u5206\u914d\u3002 <\/li>\n<li>  \u5bb9\u9519\u673a\u5236  &#xff1a;\u901a\u8fc7\u5197\u4f59\u548c\u6545\u969c\u5207\u6362\u6765\u9632\u6b62\u5355\u70b9\u6545\u969c\u3002 <\/li>\n<li>  \u6269\u5c55\u6027  &#xff1a;\u96c6\u7fa4\u80fd\u591f\u52a8\u6001\u6dfb\u52a0\u6216\u79fb\u9664\u8d44\u6e90&#xff0c;\u4ee5\u9002\u5e94\u8d1f\u8f7d\u53d8\u5316\u3002 <\/li>\n<\/ul>\n<h4> 5.2.2 \u81ea\u52a8\u4f38\u7f29\u4e0e\u8d44\u6e90\u8c03\u5ea6 <\/h4>\n<p> \u81ea\u52a8\u4f38\u7f29\u53ef\u4ee5\u6839\u636e\u8d1f\u8f7d\u52a8\u6001\u5730\u589e\u52a0\u6216\u51cf\u5c11\u96c6\u7fa4\u4e2d\u7684\u8d44\u6e90&#xff0c;\u5982\u8ba1\u7b97\u5b9e\u4f8b\u7684\u6570\u91cf\u3002\u8fd9\u901a\u5e38\u6d89\u53ca\u5230\u4ee5\u4e0b\u4e24\u4e2a\u65b9\u9762&#xff1a; <\/p>\n<ul>\n<li>  \u6c34\u5e73\u4f38\u7f29  &#xff1a;\u589e\u52a0\u6216\u51cf\u5c11\u96c6\u7fa4\u4e2d\u7684\u670d\u52a1\u5668\u6570\u91cf\u3002 <\/li>\n<li>  \u5782\u76f4\u4f38\u7f29  &#xff1a;\u63d0\u5347\u6216\u964d\u4f4e\u5355\u4e2a\u670d\u52a1\u5668\u7684\u8ba1\u7b97\u80fd\u529b\u3002 <\/li>\n<\/ul>\n<p> \u8d44\u6e90\u8c03\u5ea6\u662f\u81ea\u52a8\u4f38\u7f29\u7684\u6838\u5fc3&#xff0c;\u5b83\u51b3\u5b9a\u4e86\u4f55\u65f6\u4ee5\u53ca\u5982\u4f55\u5206\u914d\u8d44\u6e90\u3002\u8fd9\u901a\u5e38\u9700\u8981\u76d1\u63a7\u7cfb\u7edf\u6536\u96c6\u7684\u6027\u80fd\u6307\u6807&#xff0c;\u5982CPU\u4f7f\u7528\u7387\u3001\u5185\u5b58\u5360\u7528\u7b49\u3002 <\/p>\n<h3> 5.3 \u8d1f\u8f7d\u5747\u8861\u4e0e\u96c6\u7fa4\u7684\u6027\u80fd\u6d4b\u8bd5 <\/h3>\n<h4> 5.3.1 \u538b\u529b\u6d4b\u8bd5\u4e0e\u6027\u80fd\u76d1\u63a7 <\/h4>\n<p> \u4e3a\u4e86\u8bc4\u4f30\u8d1f\u8f7d\u5747\u8861\u548c\u96c6\u7fa4\u90e8\u7f72\u7684\u6548\u679c&#xff0c;\u9700\u8981\u8fdb\u884c\u538b\u529b\u6d4b\u8bd5\u548c\u6027\u80fd\u76d1\u63a7&#xff1a; <\/p>\n<ul>\n<li>  \u538b\u529b\u6d4b\u8bd5  &#xff1a;\u6a21\u62df\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42&#xff0c;\u4ee5\u8bc4\u4f30\u7cfb\u7edf\u7684\u627f\u8f7d\u6781\u9650\u3002 <\/li>\n<li>  \u6027\u80fd\u76d1\u63a7  &#xff1a;\u5b9e\u65f6\u6536\u96c6\u7cfb\u7edf\u7684\u5173\u952e\u6027\u80fd\u6307\u6807&#xff0c;\u5982\u54cd\u5e94\u65f6\u95f4\u3001\u541e\u5410\u91cf\u7b49\u3002 <\/li>\n<\/ul>\n<h4> 5.3.2 \u8c03\u4f18\u7b56\u7565\u4e0e\u6545\u969c\u6392\u9664 <\/h4>\n<p> \u6027\u80fd\u8c03\u4f18\u7b56\u7565\u5305\u62ec&#xff1a; <\/p>\n<ul>\n<li>  \u8c03\u6574\u8d1f\u8f7d\u5747\u8861\u7b56\u7565  &#xff1a;\u6839\u636e\u5b9e\u9645\u8d1f\u8f7d\u60c5\u51b5\u8c03\u6574\u8d1f\u8f7d\u5206\u914d\u7b97\u6cd5\u3002 <\/li>\n<li>  \u4f18\u5316\u670d\u52a1\u5668\u914d\u7f6e  &#xff1a;\u5347\u7ea7\u786c\u4ef6\u6216\u8c03\u6574\u8f6f\u4ef6\u914d\u7f6e\u4ee5\u63d0\u9ad8\u5355\u8282\u70b9\u6027\u80fd\u3002 <\/li>\n<li>  \u7f51\u7edc\u4f18\u5316  &#xff1a;\u4f18\u5316\u7f51\u7edc\u8bbe\u7f6e&#xff0c;\u6bd4\u5982\u589e\u52a0\u5e26\u5bbd\u3001\u51cf\u5c11\u5ef6\u8fdf\u3002 <\/li>\n<\/ul>\n<p> \u6545\u969c\u6392\u9664\u901a\u5e38\u9700\u8981\u5bf9\u95ee\u9898\u8fdb\u884c\u8be6\u7ec6\u5206\u6790&#xff0c;\u5982&#xff1a; <\/p>\n<ul>\n<li>  \u65e5\u5fd7\u5206\u6790  &#xff1a;\u68c0\u67e5\u8d1f\u8f7d\u5747\u8861\u5668\u548c\u670d\u52a1\u5668\u7684\u65e5\u5fd7&#xff0c;\u5bfb\u627e\u6545\u969c\u7ebf\u7d22\u3002 <\/li>\n<li>  \u5b9e\u65f6\u8ffd\u8e2a  &#xff1a;\u4f7f\u7528\u8bca\u65ad\u5de5\u5177\u8ffd\u8e2a\u95ee\u9898\u53d1\u751f\u65f6\u7684\u7f51\u7edc\u548c\u5e94\u7528\u72b6\u6001\u3002 <\/li>\n<\/ul>\n<h4> 5.3.2.1 \u793a\u4f8b&#xff1a;\u4f7f\u7528Apache JMeter\u8fdb\u884c\u538b\u529b\u6d4b\u8bd5 <\/h4>\n<p> Apache JMeter\u662f\u4e00\u4e2a\u5f00\u6e90\u7684\u6027\u80fd\u6d4b\u8bd5\u5de5\u5177&#xff0c;\u53ef\u4ee5\u6a21\u62df\u5927\u91cf\u7528\u6237\u5bf9\u670d\u52a1\u5668\u53d1\u9001\u8bf7\u6c42\u3002 <\/p>\n<p>jmeter -n -t \/path\/to\/testplan.jmx -l \/path\/to\/results.jtl<\/p>\n<p> \u4e0a\u8ff0\u547d\u4ee4\u8fd0\u884c\u4e86\u4e00\u4e2a\u6d4b\u8bd5\u8ba1\u5212&#xff08;testplan.jmx&#xff09;&#xff0c;\u5e76\u5c06\u7ed3\u679c\u4fdd\u5b58\u5728&#xff08;results.jtl&#xff09;\u4e2d\u3002 <\/p>\n<p> \u5728\u6027\u80fd\u76d1\u63a7\u548c\u6545\u969c\u6392\u9664\u4e2d&#xff0c;\u6301\u7eed\u76d1\u63a7\u5e94\u7528\u7684\u5065\u5eb7\u72b6\u51b5\u662f\u975e\u5e38\u91cd\u8981\u7684\u3002\u53ef\u4ee5\u4f7f\u7528\u4e00\u4e9b\u5f00\u6e90\u5de5\u5177\u6bd4\u5982Prometheus\u7ed3\u5408Grafana\u8fdb\u884c\u5b9e\u65f6\u76d1\u63a7&#xff0c;\u6216\u8005\u4f7f\u7528\u4e13\u4e1a\u7684APM&#xff08;Application Performance Management&#xff09;\u5de5\u5177\u5982New Relic\u548cDynatrace\u6765\u6df1\u5165\u5206\u6790\u6027\u80fd\u74f6\u9888\u3002 <\/p>\n<h2> 6. \u6027\u80fd\u4f18\u5316\u4e0e\u7f13\u5b58\u7b56\u7565\u7684\u8bbe\u8ba1 <\/h2>\n<h3> 6.1 \u6027\u80fd\u4f18\u5316\u6982\u8ff0 <\/h3>\n<p> \u6027\u80fd\u4f18\u5316\u662f\u63d0\u9ad8\u8f6f\u4ef6\u7cfb\u7edf\u8fd0\u884c\u6548\u7387\u548c\u7528\u6237\u4f53\u9a8c\u7684\u91cd\u8981\u73af\u8282&#xff0c;\u7279\u522b\u662f\u5728\u6e38\u620f\u5f00\u53d1\u548c\u670d\u52a1\u5668\u7aef\u5e94\u7528\u4e2d&#xff0c;\u5bf9\u6027\u80fd\u7684\u8981\u6c42\u5c24\u4e3a\u4e25\u683c\u3002\u6027\u80fd\u4f18\u5316\u7684\u6d41\u7a0b\u9996\u5148\u9700\u8981\u627e\u5230\u74f6\u9888\u6240\u5728&#xff0c;\u518d\u8fdb\u884c\u9488\u5bf9\u6027\u7684\u6539\u8fdb\u3002 <\/p>\n<h4> 6.1.1 \u6027\u80fd\u74f6\u9888\u5206\u6790\u65b9\u6cd5 <\/h4>\n<p> \u5728\u6027\u80fd\u4f18\u5316\u5f00\u59cb\u4e4b\u524d&#xff0c;\u7cfb\u7edf\u5206\u6790\u662f\u81f3\u5173\u91cd\u8981\u7684\u6b65\u9aa4\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u65b9\u6cd5\u8fdb\u884c\u5206\u6790&#xff1a; &#8211;  \u6027\u80fd\u57fa\u51c6\u6d4b\u8bd5  &#xff1a;\u4f7f\u7528\u6027\u80fd\u6d4b\u8bd5\u5de5\u5177&#xff0c;\u5982Apache JMeter\u6216WebPagetest&#xff0c;\u5bf9\u7cfb\u7edf\u8fdb\u884c\u57fa\u51c6\u6d4b\u8bd5&#xff0c;\u83b7\u53d6\u6027\u80fd\u6570\u636e\u3002 &#8211;  \u6027\u80fd\u76d1\u63a7\u5de5\u5177  &#xff1a;\u6bd4\u5982Linux\u4e0b\u7684  top  \u3001  htop  &#xff0c;\u6216\u662f\u4e13\u95e8\u9488\u5bf9Web\u5e94\u7528\u7684  New Relic  \u548c  AppDynamics  &#xff0c;\u6765\u76d1\u63a7\u7cfb\u7edf\u5b9e\u65f6\u6027\u80fd\u3002 &#8211;  \u8d44\u6e90\u4f7f\u7528\u60c5\u51b5\u5206\u6790  &#xff1a;\u5bf9CPU\u3001\u5185\u5b58\u3001\u78c1\u76d8\u548c\u7f51\u7edcI\/O\u8fdb\u884c\u76d1\u63a7&#xff0c;\u627e\u51fa\u8d44\u6e90\u4f7f\u7528\u7387\u6700\u9ad8\u7684\u7ec4\u4ef6\u3002 &#8211;  \u74f6\u9888\u5b9a\u4f4d  &#xff1a;\u5bf9\u7cfb\u7edf\u8fdb\u884c\u538b\u529b\u6d4b\u8bd5&#xff0c;\u4f7f\u7528\u5de5\u5177\u5982  ab  (Apache Bench)\u6216  wrk  \u6765\u6a21\u62df\u5927\u91cf\u5e76\u53d1\u8bf7\u6c42&#xff0c;\u5e2e\u52a9\u5b9a\u4f4d\u74f6\u9888\u3002 <\/p>\n<h4> 6.1.2 \u6027\u80fd\u4f18\u5316\u7684\u7406\u8bba\u57fa\u7840 <\/h4>\n<p> \u6027\u80fd\u4f18\u5316\u7406\u8bba\u57fa\u7840\u4e3b\u8981\u5305\u62ec\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762&#xff1a; &#8211;  \u4f18\u5316\u539f\u5219  &#xff1a;\u6700\u5c0f\u5316\u8ba1\u7b97\u3001\u51cf\u5c11I\/O\u64cd\u4f5c\u6b21\u6570\u3001\u4f7f\u7528\u7f13\u5b58\u673a\u5236\u3001\u5408\u7406\u5b89\u6392\u6570\u636e\u5e93\u67e5\u8be2\u987a\u5e8f\u7b49\u3002 &#8211;  \u4f18\u5316\u7b56\u7565  &#xff1a;\u4ece\u7cfb\u7edf\u67b6\u6784\u3001\u7b97\u6cd5\u8bbe\u8ba1\u5230\u4ee3\u7801\u5c42\u9762&#xff0c;\u4e0d\u540c\u5c42\u6b21\u6709\u4e0d\u540c\u7684\u4f18\u5316\u7b56\u7565\u3002 &#8211;  \u6027\u80fd\u6a21\u578b  &#xff1a;\u5efa\u7acb\u6027\u80fd\u6a21\u578b\u9884\u6d4b\u7cfb\u7edf\u7684\u54cd\u5e94\u65f6\u95f4&#xff0c;\u4ee5\u5e2e\u52a9\u51b3\u5b9a\u4f18\u5316\u7684\u65b9\u5411\u3002 <\/p>\n<h3> 6.2 \u7f13\u5b58\u7b56\u7565\u7684\u5e94\u7528 <\/h3>\n<p> \u7f13\u5b58\u7b56\u7565\u4f5c\u4e3a\u6027\u80fd\u4f18\u5316\u7684\u5173\u952e\u624b\u6bb5&#xff0c;\u80fd\u591f\u663e\u8457\u63d0\u5347\u7cfb\u7edf\u7684\u54cd\u5e94\u901f\u5ea6\u548c\u5904\u7406\u80fd\u529b\u3002 <\/p>\n<h4> 6.2.1 \u7f13\u5b58\u673a\u5236\u4e0e\u6570\u636e\u4e00\u81f4\u6027 <\/h4>\n<p> \u7f13\u5b58\u673a\u5236\u5728\u51cf\u5c11\u5bf9\u540e\u7aef\u5b58\u50a8\u7cfb\u7edf\u7684\u8bbf\u95ee\u6b21\u6570\u7684\u540c\u65f6&#xff0c;\u4e5f\u5e26\u6765\u4e86\u6570\u636e\u4e00\u81f4\u6027\u95ee\u9898\u3002\u7f13\u5b58\u7b56\u7565\u7684\u9009\u62e9\u548c\u5b9e\u73b0\u9700\u8981\u517c\u987e\u6027\u80fd\u548c\u6570\u636e\u4e00\u81f4\u6027&#xff1a; <\/p>\n<ul>\n<li>  \u8bfb\u5199\u7b56\u7565  &#xff1a;\u5e38\u89c1\u7684\u8bfb\u5199\u7b56\u7565\u6709 Cache-Aside\u3001Write Through\u3001Write Behind Caching \u7b49\u3002 <\/li>\n<li>  \u5931\u6548\u7b56\u7565  &#xff1a;\u5305\u62ecLRU&#xff08;\u6700\u8fd1\u6700\u5c11\u4f7f\u7528&#xff09;\u3001FIFO&#xff08;\u5148\u8fdb\u5148\u51fa&#xff09;\u548cLFU&#xff08;\u6700\u4e0d\u7ecf\u5e38\u4f7f\u7528&#xff09;\u7b49\u3002 <\/li>\n<li>  \u6570\u636e\u540c\u6b65  &#xff1a;\u4fdd\u6301\u7f13\u5b58\u4e0e\u6570\u636e\u5e93\u7684\u6570\u636e\u4e00\u81f4\u6027&#xff0c;\u5e38\u7528\u7684\u6280\u672f\u624b\u6bb5\u6709\u6d88\u606f\u961f\u5217\u3001\u5206\u5e03\u5f0f\u9501\u7b49\u3002 <\/li>\n<\/ul>\n<h4> 6.2.2 \u7f13\u5b58\u7b56\u7565\u5728\u4e0d\u540c\u573a\u666f\u4e0b\u7684\u5e94\u7528 <\/h4>\n<p> \u4e0d\u540c\u5e94\u7528\u573a\u666f\u4e0b\u7f13\u5b58\u7b56\u7565\u7684\u5b9e\u73b0\u548c\u914d\u7f6e\u4e5f\u6709\u5dee\u5f02&#xff0c;\u4e0b\u9762\u4e3e\u4f8b\u8bf4\u660e\u51e0\u79cd\u5e38\u89c1\u573a\u666f&#xff1a; <\/p>\n<ul>\n<li>  Web\u5e94\u7528\u7f13\u5b58  &#xff1a;\u7ed3\u5408\u6d4f\u89c8\u5668\u7f13\u5b58\u548c\u53cd\u5411\u4ee3\u7406\u7f13\u5b58&#xff08;\u5982Nginx\u7684proxy_cache&#xff09;\u6765\u51cf\u8f7b\u670d\u52a1\u5668\u538b\u529b\u3002 <\/li>\n<li>  \u6570\u636e\u5e93\u67e5\u8be2\u7f13\u5b58  &#xff1a;\u5229\u7528\u6570\u636e\u5e93\u672c\u8eab\u7684\u7f13\u5b58\u673a\u5236&#xff0c;\u5982MySQL\u7684\u67e5\u8be2\u7f13\u5b58&#xff0c;\u6216\u4f7f\u7528Redis\u3001Memcached\u8fd9\u7c7b\u5185\u5b58\u6570\u636e\u5e93\u3002 <\/li>\n<li>  \u5206\u5e03\u5f0f\u7f13\u5b58  &#xff1a;\u5728\u5206\u5e03\u5f0f\u7cfb\u7edf\u4e2d&#xff0c;\u5982\u4f7f\u7528Redis\u96c6\u7fa4\u6765\u4fdd\u6301\u6570\u636e\u7684\u9ad8\u53ef\u7528\u6027\u548c\u4e00\u81f4\u6027\u3002 <\/li>\n<\/ul>\n<h3> 6.3 \u6027\u80fd\u4f18\u5316\u5b9e\u8df5\u6848\u4f8b\u5206\u6790 <\/h3>\n<h4> 6.3.1 \u5e38\u89c1\u6027\u80fd\u4f18\u5316\u6280\u672f <\/h4>\n<p> \u5728\u5b9e\u8df5\u4e2d&#xff0c;\u6027\u80fd\u4f18\u5316\u6280\u672f\u591a\u79cd\u591a\u6837&#xff0c;\u4e0b\u9762\u5217\u4e3e\u4e00\u4e9b\u5e38\u89c1\u7684\u4f18\u5316\u6280\u672f&#xff1a; <\/p>\n<ul>\n<li>  \u4ee3\u7801\u5c42\u9762  &#xff1a;\u6bd4\u5982\u5faa\u73af\u5c55\u5f00\u3001\u51cf\u5c11\u9012\u5f52\u8c03\u7528\u3001\u5229\u7528\u5c3e\u9012\u5f52\u4f18\u5316\u3002 <\/li>\n<li>  \u6570\u636e\u5e93\u5c42\u9762  &#xff1a;\u5982\u7d22\u5f15\u4f18\u5316\u3001\u67e5\u8be2\u4f18\u5316\u3001\u8868\u5206\u533a\u7b49\u3002 <\/li>\n<li>  \u7cfb\u7edf\u5c42\u9762  &#xff1a;\u4f7f\u7528\u5f02\u6b65I\/O\u3001\u8d1f\u8f7d\u5747\u8861\u3001\u589e\u52a0\u5e76\u53d1\u5904\u7406\u80fd\u529b\u7b49\u3002 <\/li>\n<li>  \u7f13\u5b58\u5c42\u9762  &#xff1a;\u5982\u7f13\u5b58\u9884\u70ed\u3001\u7f13\u5b58\u96ea\u5d29\u548c\u7a7f\u900f\u7684\u9632\u5fa1\u7b56\u7565\u3002 <\/li>\n<\/ul>\n<h4> 6.3.2 \u4f18\u5316\u6848\u4f8b\u4e0e\u6548\u679c\u8bc4\u4f30 <\/h4>\n<p> \u4e0b\u9762\u901a\u8fc7\u4e00\u4e2a\u5178\u578b\u7684\u6027\u80fd\u4f18\u5316\u6848\u4f8b&#xff0c;\u6765\u5c55\u793a\u6027\u80fd\u4f18\u5316\u7684\u6548\u679c&#xff1a; <\/p>\n<h5> \u6848\u4f8b\u5206\u6790 <\/h5>\n<p> \u4e00\u4e2a\u5728\u7ebf\u6e38\u620f\u670d\u52a1\u5668\u5904\u7406\u7740\u5927\u91cf\u7684\u5e76\u53d1\u8fde\u63a5&#xff0c;\u5f00\u59cb\u65f6\u5e73\u5747\u54cd\u5e94\u65f6\u95f4\u5728800ms\u5de6\u53f3&#xff0c;\u7ecf\u8fc7\u4ee5\u4e0b\u4f18\u5316\u540e&#xff1a; <\/p>\n<ul>\n<li>  1. \u5f15\u5165\u8d1f\u8f7d\u5747\u8861  &#xff1a;\u901a\u8fc7Nginx\u5b9e\u73b0\u8d1f\u8f7d\u5747\u8861&#xff0c;\u5c06\u8bf7\u6c42\u5206\u6563\u5230\u591a\u4e2a\u670d\u52a1\u5668\u4e0a\u3002 <\/li>\n<li>  2. \u6570\u636e\u5e93\u7d22\u5f15\u4f18\u5316  &#xff1a;\u5206\u6790\u4e86\u6570\u636e\u5e93\u6162\u67e5\u8be2\u65e5\u5fd7&#xff0c;\u5e76\u9488\u5bf9\u6027\u5730\u589e\u52a0\u4e86\u7d22\u5f15\u3002 <\/li>\n<li>  3. \u4ee3\u7801\u4f18\u5316  &#xff1a;\u901a\u8fc7\u6027\u80fd\u5206\u6790\u5de5\u5177\u627e\u51fa\u70ed\u70b9\u4ee3\u7801&#xff0c;\u4f7f\u7528\u66f4\u9ad8\u6548\u7684\u7b97\u6cd5\u8fdb\u884c\u91cd\u6784\u3002 <\/li>\n<li>  4. \u5f15\u5165\u7f13\u5b58  &#xff1a;\u4f7f\u7528Redis\u4f5c\u4e3a\u7f13\u5b58\u5c42&#xff0c;\u5bf9\u9891\u7e41\u8bbf\u95ee\u7684\u6570\u636e\u8fdb\u884c\u7f13\u5b58\u3002 <\/li>\n<li>  5. \u5f02\u6b65\u5904\u7406  &#xff1a;\u5c06\u90e8\u5206\u975e\u5b9e\u65f6\u8ba1\u7b97\u7684\u4efb\u52a1\u653e\u5728\u540e\u53f0\u5904\u7406&#xff0c;\u4f7f\u7528\u6d88\u606f\u961f\u5217\u5b9e\u73b0\u3002 <\/li>\n<\/ul>\n<h5> \u6548\u679c\u8bc4\u4f30 <\/h5>\n<p> \u901a\u8fc7\u4e00\u7cfb\u5217\u7684\u4f18\u5316\u63aa\u65bd&#xff0c;\u670d\u52a1\u5668\u7684\u5e73\u5747\u54cd\u5e94\u65f6\u95f4\u964d\u4f4e\u5230\u4e86200ms\u4ee5\u4e0b&#xff0c;\u540c\u65f6\u5e76\u53d1\u8fde\u63a5\u6570\u589e\u52a0\u4e86\u4e00\u500d\u4ee5\u4e0a&#xff0c;\u7cfb\u7edf\u7a33\u5b9a\u6027\u4e5f\u5f97\u5230\u4e86\u663e\u8457\u63d0\u9ad8\u3002 <\/p>\n<p> \u603b\u7ed3\u4e0a\u8ff0\u7ae0\u8282&#xff0c;\u6027\u80fd\u4f18\u5316\u662f\u4e00\u4e2a\u6301\u7eed\u7684\u8fc7\u7a0b&#xff0c;\u9700\u8981\u5728\u5b9e\u8df5\u4e2d\u4e0d\u65ad\u63a2\u7d22\u548c\u603b\u7ed3\u7ecf\u9a8c\u3002\u7f13\u5b58\u7b56\u7565\u7684\u5408\u7406\u5e94\u7528\u662f\u6027\u80fd\u4f18\u5316\u4e2d\u7684\u91cd\u8981\u73af\u8282&#xff0c;\u5b83\u4e0d\u4ec5\u53ef\u4ee5\u63d0\u5347\u6027\u80fd&#xff0c;\u8fd8\u80fd\u5728\u67d0\u4e9b\u60c5\u51b5\u4e0b\u964d\u4f4e\u603b\u4f53\u6210\u672c\u3002\u901a\u8fc7\u6848\u4f8b\u5206\u6790\u53ef\u4ee5\u770b\u5230&#xff0c;\u7ed3\u5408\u591a\u79cd\u4f18\u5316\u6280\u672f\u80fd\u53d6\u5f97\u66f4\u597d\u7684\u6548\u679c\u3002\u5728\u4e0b\u4e00\u7ae0\u8282\u4e2d&#xff0c;\u6211\u4eec\u5c06\u63a2\u8ba8\u6e38\u620f\u903b\u8f91\u6267\u884c\u4e0e\u4efb\u52a1\u7cfb\u7edf\u5904\u7406\u7684\u76f8\u5173\u5185\u5bb9\u3002 <\/p>\n<h2> 7. \u6e38\u620f\u903b\u8f91\u6267\u884c\u4e0e\u4efb\u52a1\u7cfb\u7edf\u5904\u7406 <\/h2>\n<p> \u6e38\u620f\u7684\u6d41\u7545\u8fd0\u884c\u548c\u73a9\u5bb6\u7684\u6e38\u620f\u4f53\u9a8c\u5728\u5f88\u5927\u7a0b\u5ea6\u4e0a\u4f9d\u8d56\u4e8e\u6e38\u620f\u903b\u8f91\u7684\u9ad8\u6548\u6267\u884c\u548c\u4efb\u52a1\u7cfb\u7edf\u7684\u7075\u6d3b\u5904\u7406\u3002\u672c\u7ae0\u5c06\u63a2\u8ba8\u6e38\u620f\u903b\u8f91\u7684\u6838\u5fc3\u673a\u5236\u548c\u5b9e\u73b0&#xff0c;\u4ee5\u53ca\u4efb\u52a1\u7cfb\u7edf\u7684\u8bbe\u8ba1\u548c\u4f18\u5316\u3002 <\/p>\n<h3> 7.1 \u6e38\u620f\u903b\u8f91\u7684\u6838\u5fc3\u4e0e\u5b9e\u73b0 <\/h3>\n<p> \u6e38\u620f\u903b\u8f91\u4f5c\u4e3a\u6e38\u620f\u8fd0\u884c\u7684\u201c\u5927\u8111\u201d&#xff0c;\u8d1f\u8d23\u5904\u7406\u6e38\u620f\u4e16\u754c\u4e2d\u7684\u5404\u79cd\u884c\u4e3a\u548c\u4e8b\u4ef6\u3002\u5176\u67b6\u6784\u8bbe\u8ba1\u9700\u8981\u8003\u8651\u6269\u5c55\u6027\u3001\u53ef\u7ef4\u62a4\u6027\u4ee5\u53ca\u6027\u80fd\u6548\u7387\u3002 <\/p>\n<h4> 7.1.1 \u6e38\u620f\u903b\u8f91\u7684\u67b6\u6784\u8bbe\u8ba1 <\/h4>\n<p> \u6e38\u620f\u903b\u8f91\u53ef\u4ee5\u91c7\u7528\u6a21\u5757\u5316\u8bbe\u8ba1&#xff0c;\u5c06\u4e0d\u540c\u7684\u6e38\u620f\u529f\u80fd\u5c01\u88c5\u5728\u72ec\u7acb\u7684\u6a21\u5757\u4e2d\u3002\u6bd4\u5982&#xff0c;\u89d2\u8272\u63a7\u5236\u3001\u73af\u5883\u4e92\u52a8\u3001\u6218\u6597\u7cfb\u7edf\u7b49\u53ef\u4ee5\u8bbe\u8ba1\u4e3a\u4e0d\u540c\u7684\u6a21\u5757\u3002\u6bcf\u4e2a\u6a21\u5757\u4e4b\u95f4\u901a\u8fc7\u5b9a\u4e49\u597d\u7684\u63a5\u53e3\u8fdb\u884c\u4ea4\u4e92&#xff0c;\u4fdd\u6301\u6a21\u5757\u4e4b\u95f4\u7684\u677e\u8026\u5408\u3002 <\/p>\n<p>graph TD<br \/>\n    A[\u6e38\u620f\u542f\u52a8] &#8211;&gt;|\u521d\u59cb\u5316| B[\u6e38\u620f\u903b\u8f91\u6846\u67b6]<br \/>\n    B &#8211;&gt; C[\u89d2\u8272\u63a7\u5236]<br \/>\n    B &#8211;&gt; D[\u73af\u5883\u4e92\u52a8]<br \/>\n    B &#8211;&gt; E[\u6218\u6597\u7cfb\u7edf]<br \/>\n    B &#8211;&gt; F[\u4e8b\u4ef6\u7ba1\u7406]<br \/>\n    B &#8211;&gt; G[\u72b6\u6001\u673a]<br \/>\n    C &#8211;&gt; H[\u89d2\u8272\u52a8\u4f5c]<br \/>\n    D &#8211;&gt; I[\u4ea4\u4e92\u6548\u679c]<br \/>\n    E &#8211;&gt; J[\u653b\u51fb\u5224\u5b9a]<br \/>\n    F &#8211;&gt; K[\u4efb\u52a1\u89e6\u53d1]<br \/>\n    G &#8211;&gt; L[\u72b6\u6001\u5207\u6362]<\/p>\n<p> \u4e0a\u56fe\u662f\u6e38\u620f\u903b\u8f91\u6a21\u5757\u5316\u7684\u793a\u610f\u56fe\u3002\u901a\u8fc7\u72b6\u6001\u673a\u7ba1\u7406\u548c\u4e8b\u4ef6\u9a71\u52a8&#xff0c;\u6e38\u620f\u903b\u8f91\u6846\u67b6\u53ef\u4ee5\u54cd\u5e94\u6e38\u620f\u8fd0\u884c\u8fc7\u7a0b\u4e2d\u7684\u5404\u79cd\u4e8b\u4ef6\u548c\u52a8\u4f5c&#xff0c;\u540c\u65f6\u4fdd\u6301\u6574\u4f53\u67b6\u6784\u7684\u6e05\u6670\u548c\u9ad8\u6548\u3002 <\/p>\n<h4> 7.1.2 \u6e38\u620f\u811a\u672c\u4e0e\u72b6\u6001\u7ba1\u7406 <\/h4>\n<p> \u6e38\u620f\u811a\u672c\u662f\u5b9e\u73b0\u6e38\u620f\u903b\u8f91\u7075\u6d3b\u53d8\u52a8\u7684\u6709\u6548\u624b\u6bb5&#xff0c;\u901a\u8fc7\u811a\u672c\u8bed\u8a00&#xff08;\u5982Lua\u3001Python\u7b49&#xff09;\u53ef\u4ee5\u5b9e\u73b0\u5bf9\u6e38\u620f\u884c\u4e3a\u7684\u5feb\u901f\u8c03\u6574\u548c\u8fed\u4ee3\u3002\u72b6\u6001\u7ba1\u7406\u662f\u63a7\u5236\u6e38\u620f\u72b6\u6001\u8f6c\u6362\u7684\u5173\u952e&#xff0c;\u7279\u522b\u662f\u5728\u590d\u6742\u7684\u6e38\u620f\u903b\u8f91\u4e2d&#xff0c;\u72b6\u6001\u673a&#xff08;FSM&#xff09;\u80fd\u591f\u7ba1\u7406\u4e0d\u540c\u72b6\u6001\u4e0b\u903b\u8f91\u7684\u6267\u884c\u548c\u8f6c\u6362\u3002 <\/p>\n<p>&#8212; \u4e00\u4e2a\u7b80\u5355\u7684\u72b6\u6001\u673a\u793a\u4f8b&#xff08;\u4f2a\u4ee3\u7801&#xff09;<\/p>\n<p>function createStateMachine()<br \/>\n    local states &#061; {<br \/>\n        [&#039;idle&#039;] &#061; function() &#8230; end,<br \/>\n        [&#039;running&#039;] &#061; function() &#8230; end,<br \/>\n        [&#039;jumping&#039;] &#061; function() &#8230; end,<br \/>\n        &#8230;<br \/>\n    }<\/p>\n<p>    local currentState &#061; &#039;idle&#039;<br \/>\n    local function transition(newState)<br \/>\n        states[currentState]()<br \/>\n        currentState &#061; newState<br \/>\n        states[newState]()<br \/>\n    end<\/p>\n<p>    return transition<br \/>\nend<\/p>\n<p>&#8212; \u4f7f\u7528\u72b6\u6001\u673a\u8fdb\u884c\u72b6\u6001\u5207\u6362<br \/>\ntransition(&#039;running&#039;)<br \/>\ntransition(&#039;jumping&#039;)<\/p>\n<p> \u6e38\u620f\u811a\u672c\u548c\u72b6\u6001\u673a\u7684\u8bbe\u8ba1\u548c\u5b9e\u73b0\u5927\u5927\u63d0\u5347\u4e86\u6e38\u620f\u903b\u8f91\u7684\u53ef\u914d\u7f6e\u6027\u548c\u52a8\u6001\u6027\u3002 <\/p>\n<h3> 7.2 \u4efb\u52a1\u7cfb\u7edf\u7684\u8bbe\u8ba1\u4e0e\u4f18\u5316 <\/h3>\n<p> \u4efb\u52a1\u7cfb\u7edf\u662f\u6e38\u620f\u5185\u63a8\u52a8\u73a9\u5bb6\u8fdb\u884c\u6e38\u620f\u884c\u4e3a\u7684\u91cd\u8981\u5de5\u5177\u3002\u5b83\u901a\u8fc7\u4efb\u52a1\u7684\u53d1\u5e03\u3001\u8c03\u5ea6\u548c\u5b8c\u6210&#xff0c;\u5f15\u5bfc\u73a9\u5bb6\u8fdb\u884c\u6e38\u620f&#xff0c;\u4ece\u800c\u589e\u5f3a\u6e38\u620f\u7684\u53ef\u73a9\u6027\u548c\u7c98\u6027\u3002 <\/p>\n<h4> 7.2.1 \u4efb\u52a1\u7cfb\u7edf\u7684\u529f\u80fd\u4e0e\u6d41\u7a0b <\/h4>\n<p> \u4e00\u4e2a\u57fa\u672c\u7684\u4efb\u52a1\u7cfb\u7edf\u5305\u542b\u4efb\u52a1\u751f\u6210\u3001\u4efb\u52a1\u5206\u914d\u3001\u4efb\u52a1\u6267\u884c\u548c\u4efb\u52a1\u7ed3\u679c\u53cd\u9988\u7b49\u73af\u8282\u3002\u8bbe\u8ba1\u65f6\u9700\u8981\u8003\u8651\u4efb\u52a1\u7684\u591a\u6837\u6027\u548c\u590d\u6742\u6027&#xff0c;\u4ee5\u53ca\u4efb\u52a1\u7684\u53ef\u8ffd\u8e2a\u6027\u548c\u7528\u6237\u4f53\u9a8c\u3002 <\/p>\n<p> \u4efb\u52a1\u7684\u6267\u884c\u6d41\u7a0b\u5927\u81f4\u5982\u4e0b&#xff1a; <\/p>\n<li> \u4efb\u52a1\u751f\u6210\u5668\u6839\u636e\u6e38\u620f\u8fdb\u5ea6\u548c\u73a9\u5bb6\u7b49\u7ea7\u751f\u6210\u65b0\u4efb\u52a1\u3002 <\/li>\n<li> \u4efb\u52a1\u7ba1\u7406\u5668\u5c06\u751f\u6210\u7684\u4efb\u52a1\u5206\u914d\u7ed9\u73a9\u5bb6\u3002 <\/li>\n<li> \u73a9\u5bb6\u6267\u884c\u4efb\u52a1\u5e76\u8fdb\u884c\u64cd\u4f5c\u3002 <\/li>\n<li> \u4efb\u52a1\u5b8c\u6210\u540e&#xff0c;\u63d0\u4ea4\u7ed3\u679c\u81f3\u4efb\u52a1\u7ba1\u7406\u5668\u3002 <\/li>\n<li> \u4efb\u52a1\u7ba1\u7406\u5668\u9a8c\u8bc1\u7ed3\u679c&#xff0c;\u7ed9\u4e88\u73a9\u5bb6\u76f8\u5e94\u7684\u5956\u52b1\u548c\u7ecf\u9a8c\u503c\u3002 <\/li>\n<p> \u4efb\u52a1\u6d41\u7a0b\u7684\u4f18\u5316\u91cd\u70b9\u5728\u4e8e\u63d0\u9ad8\u4efb\u52a1\u751f\u6210\u7684\u591a\u6837\u6027\u548c\u5408\u7406\u6027&#xff0c;\u4ee5\u53ca\u51cf\u5c11\u73a9\u5bb6\u6267\u884c\u4efb\u52a1\u65f6\u53ef\u80fd\u9047\u5230\u7684\u5ef6\u65f6\u548c\u5361\u987f\u3002 <\/p>\n<h4> 7.2.2 \u4efb\u52a1\u8c03\u5ea6\u4e0e\u6267\u884c\u6548\u7387\u4f18\u5316 <\/h4>\n<p> \u4efb\u52a1\u8c03\u5ea6\u7684\u4f18\u5316\u4e3b\u8981\u662f\u901a\u8fc7\u5408\u7406\u5b89\u6392\u4efb\u52a1\u6267\u884c\u987a\u5e8f\u548c\u65f6\u95f4\u6765\u5b9e\u73b0\u7684\u3002\u4efb\u52a1\u6267\u884c\u6548\u7387\u7684\u4f18\u5316\u5173\u6ce8\u70b9\u5728\u4e8e\u51cf\u5c11\u4efb\u52a1\u52a0\u8f7d\u548c\u5904\u7406\u7684\u65f6\u95f4&#xff0c;\u63d0\u5347\u4efb\u52a1\u5b8c\u6210\u7684\u6d41\u7545\u5ea6\u3002 <\/p>\n<p>&#8212; \u4efb\u52a1\u8c03\u5ea6\u4f2a\u4ee3\u7801\u793a\u4f8b<\/p>\n<p>function scheduleTask(player, task)<br \/>\n    local schedule &#061; player:getTaskSchedule()<br \/>\n    if not schedule:isFull() then<br \/>\n        schedule:addTask(task)<br \/>\n    else<br \/>\n        handleTaskQueueFull(player)<br \/>\n    end<br \/>\nend<\/p>\n<p>function executeTask(task)<br \/>\n    local startTime &#061; getTimestamp()<br \/>\n    task:run()<br \/>\n    local endTime &#061; getTimestamp()<br \/>\n    logTaskExecution(task, endTime &#8211; startTime)<br \/>\nend<\/p>\n<p>function logTaskExecution(task, duration)<br \/>\n    &#8212; \u8bb0\u5f55\u4efb\u52a1\u6267\u884c\u65f6\u95f4&#xff0c;\u7528\u4e8e\u540e\u7eed\u7684\u6027\u80fd\u5206\u6790\u548c\u4f18\u5316<br \/>\nend<\/p>\n<p> \u901a\u8fc7\u8c03\u5ea6\u7b97\u6cd5\u548c\u6267\u884c\u76d1\u63a7&#xff0c;\u53ef\u4ee5\u6301\u7eed\u4f18\u5316\u4efb\u52a1\u7cfb\u7edf\u7684\u6267\u884c\u6548\u7387&#xff0c;\u4ece\u800c\u63d0\u5347\u73a9\u5bb6\u7684\u6ee1\u610f\u5ea6\u3002 <\/p>\n<h3> 7.3 \u6e38\u620f\u903b\u8f91\u4e0e\u4efb\u52a1\u7cfb\u7edf\u7684\u534f\u540c\u5de5\u4f5c <\/h3>\n<p> \u4e3a\u4e86\u63d0\u5347\u6e38\u620f\u4f53\u9a8c&#xff0c;\u6e38\u620f\u903b\u8f91\u548c\u4efb\u52a1\u7cfb\u7edf\u9700\u8981\u7d27\u5bc6\u914d\u5408&#xff0c;\u5b9e\u73b0\u903b\u8f91\u4e0e\u4efb\u52a1\u7684\u89e3\u8026\u548c\u534f\u540c\u5de5\u4f5c\u3002 <\/p>\n<h4> 7.3.1 \u903b\u8f91\u4e0e\u4efb\u52a1\u7684\u89e3\u8026\u4e0e\u534f\u540c <\/h4>\n<p> \u6e38\u620f\u903b\u8f91\u548c\u4efb\u52a1\u7cfb\u7edf\u89e3\u8026\u7684\u5173\u952e\u662f\u5b9a\u4e49\u6e05\u6670\u7684\u63a5\u53e3\u548c\u6d88\u606f\u7cfb\u7edf\u3002\u8fd9\u6837&#xff0c;\u6e38\u620f\u903b\u8f91\u4e0d\u9700\u8981\u4e86\u89e3\u4efb\u52a1\u7cfb\u7edf\u7684\u5185\u90e8\u5b9e\u73b0&#xff0c;\u4efb\u52a1\u7cfb\u7edf\u4e5f\u4e0d\u5fc5\u76f4\u63a5\u4f9d\u8d56\u6e38\u620f\u903b\u8f91\u7684\u7ec6\u8282\u3002 <\/p>\n<p>graph LR<br \/>\n    A[\u6e38\u620f\u903b\u8f91] &#8211;&gt;|\u4e8b\u4ef6\/\u52a8\u4f5c| B[\u6d88\u606f\u7cfb\u7edf]<br \/>\n    B &#8211;&gt;|\u4efb\u52a1\u76f8\u5173| C[\u4efb\u52a1\u7cfb\u7edf]<br \/>\n    B &#8211;&gt;|\u6e38\u620f\u76f8\u5173| D[\u6e38\u620f\u903b\u8f91]<\/p>\n<p> \u534f\u540c\u5de5\u4f5c\u5219\u4f9d\u8d56\u4e8e\u4e8b\u4ef6\u548c\u6d88\u606f\u7684\u53ca\u65f6\u4f20\u9012&#xff0c;\u4ee5\u53ca\u53cc\u65b9\u5bf9\u4e8b\u4ef6\u7684\u54cd\u5e94\u548c\u5904\u7406\u673a\u5236\u3002 <\/p>\n<h4> 7.3.2 \u6e38\u620f\u8fd0\u884c\u65f6\u7684\u76d1\u63a7\u4e0e\u8c03\u6574 <\/h4>\n<p> \u76d1\u63a7\u6e38\u620f\u8fd0\u884c\u72b6\u6001\u662f\u4f18\u5316\u6e38\u620f\u903b\u8f91\u548c\u4efb\u52a1\u7cfb\u7edf\u7684\u91cd\u8981\u624b\u6bb5\u3002\u901a\u8fc7\u76d1\u63a7\u73a9\u5bb6\u884c\u4e3a\u3001\u7cfb\u7edf\u6027\u80fd\u548c\u4efb\u52a1\u6267\u884c\u60c5\u51b5&#xff0c;\u53ef\u4ee5\u53ca\u65f6\u53d1\u73b0\u548c\u4fee\u590d\u95ee\u9898\u3002 <\/p>\n<p>&#8212; \u8fd0\u884c\u65f6\u76d1\u63a7\u793a\u4f8b<\/p>\n<p>function monitorGamePerformance()<br \/>\n    local metrics &#061; {<br \/>\n        cpuUsage &#061; getCPUUsage(),<br \/>\n        memoryUsage &#061; getMemoryUsage(),<br \/>\n        frameRate &#061; getFrameRate(),<br \/>\n        &#8212; &#8230; \u5176\u4ed6\u6027\u80fd\u6307\u6807<br \/>\n    }<\/p>\n<p>    if metrics.cpuUsage &gt; CPU_THRESHOLD or metrics.memoryUsage &gt; MEMORY_THRESHOLD then<br \/>\n        applyOptimization()<br \/>\n    end<br \/>\nend<\/p>\n<p>function 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