{"id":118384,"date":"2026-10-27T03:16:21","date_gmt":"2026-10-26T19:16:21","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/118384.html"},"modified":"2026-10-27T03:16:21","modified_gmt":"2026-10-26T19:16:21","slug":"08-01-%e4%bc%98%e5%8c%96-%e5%ad%97%e7%ac%a6%e4%b8%b2%e4%b8%8e%e6%96%87%e6%9c%ac%e6%93%8d%e4%bd%9c%e7%9a%84gc%e9%99%b7%e9%98%b1","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/118384.html","title":{"rendered":"08-01-\u4f18\u5316-\u5b57\u7b26\u4e32\u4e0e\u6587\u672c\u64cd\u4f5c\u7684GC\u9677\u9631"},"content":{"rendered":"

\u5b57\u7b26\u4e32\u4e0e\u6587\u672c\u64cd\u4f5c\u7684 GC \u9677\u9631<\/h2>\n

\u7bc7\u7ae0：08-\u6027\u80fd\u4f18\u5316\u7bc7 |\u00a0\u9605\u8bfb\u65f6\u95f4：\u7ea6 45 \u5206\u949f |\u00a0\u524d\u7f6e\u77e5\u8bc6：\u4e86\u89e3 C# \u5b57\u7b26\u4e32\u57fa\u672c\u64cd\u4f5c\u4e0e Unity Profiler \u7684 GC.Alloc \u7528\u6cd5<\/p>\n

\n

\u4e00\u3001\u5f15\u8a00<\/h3>\n

\u5b57\u7b26\u4e32\u64cd\u4f5c\u662f C# \u7a0b\u5e8f\u4e2d\u6700\u5e38\u89c1\u7684 GC \u5206\u914d\u6765\u6e90\u3002\u5b57\u7b26\u4e32\u7684\u4e0d\u53ef\u53d8\u6027\u5bfc\u81f4\u6bcf\u6b21"\u4fee\u6539"\u90fd\u521b\u5efa\u65b0\u5bf9\u8c61\u3002\u8fd9\u4e00\u6761\u51e0\u4e4e\u6bcf\u4e2a C# \u5f00\u53d1\u8005\u90fd\u80cc\u5f97\u51fa，\u4f46\u5728 Unity \u9879\u76ee\u91cc，\u5b83\u771f\u6b63\u54ac\u4eba\u7684\u5730\u65b9\u8fdc\u4e0d\u6b62"\u62fc\u63a5\u4ea7\u751f\u65b0\u5b57\u7b26\u4e32"\u8fd9\u4e00\u53e5\u8bdd：\u63d2\u503c\u5b57\u7b26\u4e32\u80cc\u540e\u7684\u88c5\u7bb1\u3001Substring \u7684\u6574\u6bb5\u590d\u5236\u3001\u6bcf\u6b21 ToString \u7684\u4e34\u65f6\u5bf9\u8c61\u3001UTF8 \u7f16\u7801\u5f80\u8fd4\u65f6\u6210\u500d\u7684\u5b57\u8282\u5206\u914d\u3001UI \u6bcf\u5e27\u6539\u6587\u672c\u5f15\u53d1\u7684\u8fde\u9501\u91cd\u5efa，\u8fd9\u4e9b\u5206\u914d\u70b9\u5355\u72ec\u770b\u90fd\u4e0d\u5927，\u53e0\u5728\u6bcf\u5e27\u6267\u884c\u7684\u70ed\u8def\u5f84\u4e0a\u5c31\u662f GC \u5361\u987f\u7684\u4e3b\u529b\u3002<\/p>\n

\u672c\u6587\u7684\u76ee\u6807\u5f88\u5177\u4f53：\u628a\u5b57\u7b26\u4e32\u76f8\u5173\u7684\u5206\u914d\u9677\u9631\u9010\u4e2a\u62c6\u5f00，\u6bcf\u4e2a\u9677\u9631\u90fd\u6309"\u73b0\u8c61 \u2192 \u5206\u914d\u5728\u54ea\u4ea7\u751f \u2192 \u91cf\u7ea7\u4f30\u7b97 \u2192 \u6539\u6cd5"\u56db\u6b65\u8bb2\u6e05\u695a，\u8bfb\u5b8c\u4e4b\u540e\u4f60\u53ef\u4ee5\u76f4\u63a5\u62ff\u7740\u6e05\u5355\u53bb\u6539\u81ea\u5df1\u7684\u9879\u76ee\u3002\u5168\u6587\u6309\u8fd9\u4e2a\u987a\u5e8f\u5c55\u5f00：\u7b2c\u4e8c\u8282\u8bb2\u4e0d\u53ef\u53d8\u6027\u4e3a\u4ec0\u4e48\u8ba9\u5b57\u7b26\u4e32\u6210\u4e3a\u5206\u914d\u5927\u6237；\u7b2c\u4e09\u5230\u7b2c\u4e94\u8282\u4f9d\u6b21\u62c6\u62fc\u63a5\u3001Substring\u3001ToString \u4e0e\u88c5\u7bb1；\u7b2c\u516d\u8282\u8bb2 StringBuilder \u7684\u6b63\u786e\u7528\u6cd5\u4e0e\u8bef\u7528；\u7b2c\u4e03\u3001\u516b\u8282\u8986\u76d6\u5b57\u7b26\u4e32\u6c60\u5316\u4e0e\u7f16\u7801\u8f6c\u6362；\u7b2c\u4e5d\u8282\u5355\u72ec\u8c08 TextMeshPro \u7684\u5e38\u89c1\u8bef\u7528；\u6700\u540e\u4e09\u8282\u7ed9\u51fa\u91cf\u7ea7\u4f30\u7b97\u8868\u3001\u8bef\u533a\u6e05\u5355\u4e0e\u5de5\u7a0b\u51b3\u7b56\u6e05\u5355\u3002<\/p>\n

\u9700\u8981\u5148\u8bf4\u6e05\u695a\u53e3\u5f84：\u672c\u6587\u6240\u6709\u5b57\u8282\u6570\u90fd\u662f\u5178\u578b\u4f30\u7b97\u6216\u793a\u4f8b\u91cf\u7ea7，\u4e0d\u662f\u4efb\u4f55\u673a\u578b\u4e0a\u7684\u5b9e\u6d4b\u5e38\u6570\u3002\u5206\u914d\u91cf\u53d6\u51b3\u4e8e\u5b57\u7b26\u4e32\u957f\u5ea6\u3001\u8fd0\u884c\u65f6\u7248\u672c\u4e0e\u540e\u7aef（Mono \u4e0e IL2CPP \u7684\u5b57\u7b26\u4e32\u5e03\u5c40\u7ec6\u8282\u5e76\u4e0d\u5b8c\u5168\u4e00\u81f4），\u552f\u4e00\u53ef\u9760\u7684\u9a8c\u6536\u65b9\u5f0f\u662f\u8fde\u771f\u673a Profiler \u770b GC Allocated In Frame \u8ba1\u6570\u5668\u3002<\/p>\n

\u4e8c\u3001\u5b57\u7b26\u4e32\u4e3a\u4ec0\u4e48\u5929\u751f\u662f\u5206\u914d\u5927\u6237<\/h3>\n

2.1 \u4e0d\u53ef\u53d8\u6027\u4e0e\u5bf9\u8c61\u5e03\u5c40<\/h4>\n

C# \u7684 string \u662f\u4e0d\u53ef\u53d8\u7c7b\u578b：\u5bf9\u8c61\u4e00\u65e6\u521b\u5efa，\u5b57\u7b26\u5185\u5bb9\u4e0d\u80fd\u518d\u6539\u3002\u6240\u8c13"\u4fee\u6539"\u5b57\u7b26\u4e32，\u672c\u8d28\u4e0a\u90fd\u662f"\u65b0\u5efa\u4e00\u4e2a\u5b57\u7b26\u4e32，\u628a\u65e7\u5185\u5bb9\u548c\u65b0\u5185\u5bb9\u62fc\u8fdb\u53bb，\u65e7\u7684\u4e22\u7ed9 GC"\u3002\u4ece\u5185\u5b58\u5e03\u5c40\u4e0a\u770b，\u4e00\u4e2a string \u5bf9\u8c61\u5927\u81f4\u662f\u8fd9\u6837\u5360\u7528\u5806\u7a7a\u95f4\u7684：<\/p>\n

string s = "HP:1234\/9999"; \/\/ 14 \u4e2a\u5b57\u7b26（\u793a\u4f8b）<\/p>\n

\u250c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2510
\n\u2502 \u5bf9\u8c61\u5934（\u540c\u6b65\u5757\u7d22\u5f15 + \u65b9\u6cd5\u8868\u6307\u9488，8~16B \u91cf\u7ea7） \u2502
\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524
\n\u2502 \u957f\u5ea6\u5b57\u6bb5 length（4B） \u2502
\n\u251c\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2524
\n\u2502 \u5b57\u7b26\u6570\u636e（UTF-16，\u6bcf\u5b57\u7b26 2B） \u2502
\n\u2502 'H' 'P' ':' '1' '2' '3' '4' '\/' … \u2502
\n\u2502 \u5171 14 \u00d7 2B = 28B（\u5178\u578b\u4f30\u7b97） \u2502
\n\u2514\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2500\u2518
\n\u5bf9\u8c61\u603b\u5927\u5c0f \u2248 \u5bf9\u8c61\u5934 + 4B + 2\u00d7\u5b57\u7b26\u6570，\u518d\u5bf9\u9f50\u5230\u6307\u9488\u5bbd\u5ea6<\/p>\n

\u8fd9\u5f20\u56fe\u89e3\u91ca\u4e86\u4e24\u4e2a\u540e\u9762\u53cd\u590d\u7528\u5230\u7684\u4e8b\u5b9e\u3002\u7b2c\u4e00，\u5b57\u7b26\u4e32\u7684\u5185\u5b58\u5f00\u9500\u548c\u5b57\u7b26\u6570\u7ebf\u6027\u76f8\u5173，\u4e00\u4e2a 500 \u5b57\u7b26\u7684\u957f\u6587\u672c\u5bf9\u8c61\u5c31\u662f 1KB \u4e0a\u4e0b（\u5178\u578b\u4f30\u7b97），\u5207\u5b83\u4e00\u5c0f\u6bb5\u5e76\u4e0d\u4f1a\u81ea\u52a8\u53d8\u5c0f\u3002\u7b2c\u4e8c，\u6bcf\u6b21"\u4fee\u6539"\u90fd\u4f1a\u5b8c\u6574\u590d\u5236\u4e00\u904d\u5b57\u7b26\u6570\u636e，\u5b57\u7b26\u8d8a\u591a\u5355\u6b21\u5206\u914d\u8d8a\u8d35\u3002\u5206\u914d\u672c\u8eab\u8fd8\u6ca1\u5b8c，Unity \u9ed8\u8ba4\u7684 Boehm \u6536\u96c6\u5668\u4e0d\u538b\u7f29\u3001\u4e0d\u79fb\u52a8\u5bf9\u8c61，\u8fd9\u4e9b\u77ed\u547d\u5b57\u7b26\u4e32\u5728\u5806\u91cc\u7559\u4e0b\u7684\u662f\u5b9e\u6253\u5b9e\u7684\u7a7a\u6d1e，\u957f\u671f\u8fd0\u884c\u540e\u788e\u7247\u6301\u7eed\u7d2f\u79ef（\u673a\u5236\u7ec6\u8282\u53c2\u89c1\u672c\u4e13\u680f 03 \u7bc7\u4e0e 06 \u7bc7）\u3002<\/p>\n

2.2 \u4e00\u6b21"\u4fee\u6539"\u4ea7\u751f\u591a\u5c11\u5783\u573e<\/h4>\n

\u628a\u4e00\u6b21\u770b\u4f3c\u65e0\u5bb3\u7684\u5b57\u7b26\u4e32\u66f4\u65b0\u653e\u5230\u65f6\u95f4\u7ebf\u4e0a\u770b，\u5206\u914d\u662f\u6210\u4e32\u51fa\u73b0\u7684：<\/p>\n

\u4ee3\u7801： msg = "HP:" + hp + "\/" + max; \/\/ hp\u3001max \u4e3a int<\/p>\n

\u6267\u884c\u671f\u5b9e\u9645\u53d1\u751f\u7684\u4e8b（\u793a\u610f）：
\n int.ToString(hp) \u2192 \u65b0\u5b57\u7b26\u4e32 "1234" [\u5206\u914d 1]
\n int.ToString(max) \u2192 \u65b0\u5b57\u7b26\u4e32 "9999" [\u5206\u914d 2]
\n string.Concat(…) \u2192 \u4e34\u65f6\u4e32 "HP:1234" [\u5206\u914d 3]
\n string.Concat(…) \u2192 \u6700\u7ec8\u4e32 "HP:1234\/9999" [\u5206\u914d 4]
\n \u65e7 msg \u53d8\u6210\u5783\u573e（\u5982\u679c\u5b83\u8fd8\u6709\u5f15\u7528\u5c31\u5148\u6d3b\u7740）<\/p>\n

\u4e00\u5e27\u91cc\u5982\u679c 200 \u4e2a\u8840\u6761\u90fd\u5728\u505a\u8fd9\u4ef6\u4e8b：
\n 200 \u00d7 4 \u4e2a\u77ed\u547d\u5b57\u7b26\u4e32 \u2248 800 \u4e2a\u5bf9\u8c61\u8fdb\u5165\u5806，\u7b49\u5f85\u4e0b\u4e00\u8f6e GC \u6e05\u7406<\/p>\n

\u5355\u4e2a\u77ed\u5b57\u7b26\u4e32\u7684\u5206\u914d\u4e0e\u56de\u6536\u5f88\u5feb，\u95ee\u9898\u51fa\u5728\u9891\u7387\u3002\u6e38\u620f\u91cc\u8840\u91cf\u3001\u5f39\u836f\u3001\u8ba1\u65f6\u5668\u3001\u4f24\u5bb3\u98d8\u5b57\u3001\u6218\u6597\u65e5\u5fd7，\u5168\u90fd\u5728\u6309\u5e27\u6216\u6309\u4e8b\u4ef6\u91cd\u590d\u8fd9\u5957\u52a8\u4f5c\u3002\u5206\u914d\u901f\u7387\u4e00\u9ad8，GC \u89e6\u53d1\u5c31\u4f1a\u53d8\u52e4，\u6bcf\u6b21\u6536\u96c6\u9762\u5bf9\u7684\u90fd\u662f\u4e00\u5927\u5806\u672c\u53ef\u4ee5\u4e0d\u5b58\u5728\u7684\u5783\u573e\u3002<\/p>\n

2.3 \u5e38\u89c1\u8bef\u89e3\u5148\u7ea0\u6b63\u4e24\u6761<\/h4>\n

\u7b2c\u4e00\u6761\u8bef\u89e3\u662f"\u6211\u7528\u7684\u90fd\u662f\u5e38\u91cf\u62fc\u63a5，\u7f16\u8bd1\u671f\u5c31\u5408\u5e76\u4e86"\u3002\u53ea\u6709\u6bcf\u4e00\u9879\u5728\u7f16\u8bd1\u671f\u90fd\u662f\u5b57\u9762\u91cf\u5e38\u91cf\u65f6，\u7f16\u8bd1\u5668\u624d\u4f1a\u6298\u53e0\u6210\u4e00\u4e2a\u5e38\u91cf\u5b57\u7b26\u4e32，\u8fd0\u884c\u671f\u96f6\u5206\u914d\u3002\u53ea\u8981\u6709\u4e00\u9879\u6765\u81ea\u53d8\u91cf，\u6bd4\u5982\u00a0"HP:" + hp，\u8fd0\u884c\u671f\u8be5\u505a\u7684\u5206\u914d\u4e00\u4e2a\u8dd1\u4e0d\u6389\u3002<\/p>\n

\u7b2c\u4e8c\u6761\u8bef\u89e3\u662f"\u5c0f\u5b57\u7b26\u4e32\u6ca1\u51e0\u4e2a\u5b57\u8282，\u65e0\u6240\u8c13"\u3002\u77ed\u547d\u5bf9\u8c61\u7684\u6210\u672c\u4e0d\u5728\u4e8e\u5b83\u5360\u591a\u5c11\u5b57\u8282，\u800c\u5728\u4e8e\u51fa\u73b0\u6b21\u6570\u4e58\u4ee5 GC \u626b\u63cf\u5b83\u7684\u6b21\u6570\u3002Boehm \u4e0d\u5206\u4ee3，\u6ca1\u6709\u65b0\u751f\u4ee3"\u671d\u751f\u5915\u6b7b\u5feb\u901f\u56de\u6536"\u7684\u7f13\u51b2\u533a\u3002\u5bf9 Unity \u9879\u76ee\u6765\u8bf4，\u628a\u6bcf\u5e27 KB \u7ea7\u7684\u5b57\u7b26\u4e32\u5206\u914d\u538b\u4e0b\u53bb，\u6536\u76ca\u901a\u5e38\u5927\u4e8e\u628a\u67d0\u4e2a\u5927\u6570\u7ec4\u7f29\u5c0f\u4e00\u534a\u3002<\/p>\n

\u4e09\u3001\u62fc\u63a5：+\u3001string.Concat\u3001$""\u00a0\u4e0e\u5faa\u73af\u62fc\u63a5<\/h3>\n

3.1 \u7f16\u8bd1\u5668\u628a\u8fd9\u4e9b\u5199\u6cd5\u964d\u7ea7\u6210\u4ec0\u4e48<\/h4>\n

\u5148\u770b\u6e05\u695a\u6bcf\u79cd\u62fc\u63a5\u5199\u6cd5\u5728 IL \u5c42\u9762\u843d\u5230\u54ea\u4e2a\u8c03\u7528\u4e0a，\u8fd9\u662f\u5224\u65ad\u5206\u914d\u91cf\u7684\u524d\u63d0\u3002\u4e0b\u8868\u662f Unity \u7684 Mono\/IL2CPP \u811a\u672c\u540e\u7aef\u4e0a\u7684\u5178\u578b\u964d\u7ea7\u884c\u4e3a（\u4ee5\u4f60\u6240\u7528 Unity \u7248\u672c\u7684\u7f16\u8bd1\u5668\u4e3a\u51c6，\u4e0d\u540c\u7248\u672c Roslyn \u6709\u7ec6\u8282\u5dee\u5f02）：<\/p>\n\n\u5199\u6cd5\u964d\u7ea7\u76ee\u6807\u5206\u914d\u6765\u6e90\u5178\u578b\u4f30\u7b97<\/tr>\n\n\n\n\n\n\n\n\n
a + b<\/td>\nstring.Concat(string, string)<\/td>\n1 \u4e2a\u65b0\u5b57\u7b26\u4e32<\/td>\n\u6bcf\u6b21 1 \u4e2a\u5bf9\u8c61<\/td>\n<\/tr>\n
a + b + c<\/td>\nstring.Concat(string, string, string)<\/td>\n1 \u4e2a\u65b0\u5b57\u7b26\u4e32<\/td>\n\u6bcf\u6b21 1 \u4e2a\u5bf9\u8c61<\/td>\n<\/tr>\n
a + b + c + d（4 \u9879\u53ca\u4ee5\u4e0a）<\/td>\nstring.Concat(params string[])<\/td>\n\u53c2\u6570\u6570\u7ec4 + \u65b0\u5b57\u7b26\u4e32<\/td>\n\u6bcf\u6b21 2 \u4e2a\u5bf9\u8c61<\/td>\n<\/tr>\n
"x = " + x（x \u4e3a int）<\/td>\n\u5148\u00a0x.ToString()\u00a0\u518d\u00a0Concat<\/td>\n\u88c5\u7bb1\u65e0\u5173，\u4f46\u591a\u4e00\u4e2a int.ToString \u4e32<\/td>\n\u6bcf\u6b21 2 \u4e2a\u5bf9\u8c61<\/td>\n<\/tr>\n
$"{hp}\/{max}"<\/td>\n\u65e7\u8fd0\u884c\u65f6\u591a\u4e3a\u00a0string.Format，\u7b80\u5355\u573a\u666f\u964d\u4e3a\u00a0Concat<\/td>\n\u683c\u5f0f\u5316\u6570\u7ec4\u3001\u88c5\u7bb1\u3001\u7ed3\u679c\u4e32<\/td>\n\u6bcf\u6b21 2~4 \u4e2a\u5bf9\u8c61（\u793a\u4f8b\u91cf\u7ea7）<\/td>\n<\/tr>\n
string.Format("{0}\/{1}", hp, max)<\/td>\n\u539f\u6837\u8c03\u7528<\/td>\nobject[]\u00a0\u6570\u7ec4 + \u4e24\u4e2a\u88c5\u7bb1 + \u7ed3\u679c\u4e32<\/td>\n\u6bcf\u6b21 4 \u4e2a\u8d77（\u793a\u4f8b\u91cf\u7ea7）<\/td>\n<\/tr>\n
\u5faa\u73af\u5185\u00a0s += item<\/td>\n\u6bcf\u8f6e\u4e00\u6b21\u00a0Concat<\/td>\n\u6bcf\u8f6e 1 \u4e2a\u65b0\u4e32，\u65e7\u4e32\u53d8\u5783\u573e<\/td>\nn \u8f6e n \u4e2a\u5bf9\u8c61，\u5b57\u7b26\u590d\u5236 O(n\u00b2)<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6709\u4e24\u884c\u503c\u5f97\u5c55\u5f00\u3002\u7b2c\u4e00\u662f\u00a0params string[]：\u4e00\u65e6\u62fc\u63a5\u9879\u8d85\u8fc7\u4e09\u4e2a，\u7f16\u8bd1\u5668\u5c31\u4f1a\u5206\u914d\u4e00\u4e2a\u5b57\u7b26\u4e32\u6570\u7ec4\u6765\u586b\u00a0params\u00a0\u53c2\u6570，\u6570\u7ec4\u672c\u8eab\u4e5f\u662f\u6258\u7ba1\u5806\u5bf9\u8c61，\u8fd9\u662f\u5f88\u591a\u4eba\u6ca1\u610f\u8bc6\u5230\u7684"\u591a\u51fa\u6765\u7684\u4e00\u4e2a\u5206\u914d"\u3002\u7b2c\u4e8c\u662f\u63d2\u503c\u5b57\u7b26\u4e32：Unity \u7684\u811a\u672c\u540e\u7aef\u8d70\u7684 API \u9762\u5927\u7ea6\u662f .NET Standard 2.1 \u4e00\u7ea7，\u6ca1\u6709 .NET 6 \u5f15\u5165\u7684\u00a0DefaultInterpolatedStringHandler，\u6240\u4ee5\u00a0$""\u00a0\u7684\u5b9e\u9645\u6210\u672c\u63a5\u8fd1\u00a0string.Format，\u53c2\u6570\u91cc\u6709\u503c\u7c7b\u578b\u65f6\u88c5\u7bb1\u51e0\u4e4e\u8dd1\u4e0d\u6389，\u7b2c\u4e94\u8282\u4f1a\u5c55\u5f00\u3002<\/p>\n

3.2 \u574f\u5199\u6cd5\u4e0e\u597d\u5199\u6cd5\u5bf9\u7167<\/h4>\n

\u5148\u770b\u5faa\u73af\u62fc\u63a5\u8fd9\u4e2a\u6700\u7ecf\u5178\u7684\u53cd\u4f8b，\u4ee5\u53ca\u5b83\u5bf9\u5e94\u7684\u6539\u6cd5：<\/p>\n

\/\/ \u9519\u8bef：\u6bcf\u6b21\u62fc\u63a5\u4ea7\u751f\u65b0\u5b57\u7b26\u4e32
\nstring msg = "";
\nfor (int i = 0; i < 100; i++) msg += i + ",";<\/p>\n

\/\/ \u6b63\u786e：StringBuilder \u96f6\u591a\u4f59\u5206\u914d
\nvar sb = new StringBuilder(512);
\nfor (int i = 0; i < 100; i++) sb.Append(i).Append(',');
\nstring msg = sb.ToString(); \/\/ \u53ea\u6709\u4e00\u6b21\u5206\u914d<\/p>\n

\u9010\u6bb5\u89e3\u8bfb\u8fd9\u6bb5\u574f\u4ee3\u7801\u3002msg += i + ","\u00a0\u8fd9\u4e00\u884c\u91cc\u5176\u5b9e\u53e0\u4e86\u4e09\u5c42\u5206\u914d：i + ","\u00a0\u5148\u505a\u4e00\u6b21 int \u5230\u5b57\u7b26\u4e32\u7684\u8f6c\u6362\u52a0\u62fc\u63a5，\u4ea7\u751f\u4e00\u4e2a\u4e34\u65f6\u4e32；\u7136\u540e\u00a0msg + \u4e34\u65f6\u4e32\u00a0\u518d\u8c03\u4e00\u6b21\u00a0string.Concat，\u4ea7\u751f\u4e00\u4e2a\u6bd4\u4e0a\u4e00\u8f6e\u66f4\u957f\u7684\u65b0\u4e32；\u4e0a\u4e00\u8f6e\u7684\u00a0msg\u00a0\u5931\u53bb\u5f15\u7528\u53d8\u6210\u5783\u573e\u3002100 \u8f6e\u4e0b\u6765\u4ea7\u751f\u7ea6 200 \u4e2a\u5b57\u7b26\u4e32\u5bf9\u8c61（\u793a\u4f8b\u91cf\u7ea7），\u66f4\u8981\u547d\u7684\u662f\u5b57\u7b26\u590d\u5236\u603b\u91cf\u662f 1 \u52a0 2 \u52a0 3 \u4e00\u76f4\u52a0\u5230 100，\u4e5f\u5c31\u662f O(n\u00b2) \u91cf\u7ea7\u7684\u5b57\u7b26\u642c\u8fd0：\u5217\u8868\u8d8a\u957f\u6d6a\u8d39\u589e\u957f\u8d8a\u5feb，1000 \u9879\u7684\u5faa\u73af\u642c\u8fd0\u7684\u5b57\u7b26\u6570\u4f1a\u5230\u6700\u7ec8\u4e32\u7684\u51e0\u767e\u500d\u3002<\/p>\n

\u518d\u770b\u597d\u7684\u90a3\u6bb5\u3002StringBuilder\u00a0\u5185\u90e8\u6301\u6709\u4e00\u5757\u5b57\u7b26\u7f13\u51b2\u533a，Append\u00a0\u53ea\u662f\u628a\u5b57\u7b26\u5199\u8fdb\u7f13\u51b2\u533a\u5c3e\u90e8，\u7f13\u51b2\u533a\u88c5\u5f97\u4e0b\u5c31\u4e0d\u518d\u4ea7\u751f\u4efb\u4f55\u6258\u7ba1\u5206\u914d\u3002Append(i)\u00a0\u8d70\u7684\u662f\u4e0d\u88c5\u7bb1\u7684\u6cdb\u578b\u91cd\u8f7d（Append(int)\u00a0\u76f4\u63a5\u628a\u6570\u5b57\u683c\u5f0f\u5316\u8fdb\u7f13\u51b2\u533a），\u8fde ToString \u7684\u4e34\u65f6\u4e32\u90fd\u7701\u4e86\u3002\u6574\u6bb5\u5faa\u73af\u6700\u7ec8\u53ea\u5728\u00a0sb.ToString()\u00a0\u65f6\u4ea7\u751f\u4e00\u4e2a\u7ed3\u679c\u5b57\u7b26\u4e32\u3002\u6784\u9020\u65f6\u4f20\u5165 512 \u662f\u9884\u4f30\u5bb9\u91cf，\u4f30\u7b97\u504f\u5c0f\u4e5f\u65e0\u59a8，\u53ea\u662f\u7f13\u51b2\u533a\u4f1a\u6309\u9700\u7ffb\u500d\u6269\u5bb9，\u591a\u4ea7\u751f\u4e00\u4e24\u6b21\u6570\u7ec4\u62f7\u8d1d\u3002<\/p>\n

3.3 \u62fc\u63a5\u65b9\u5f0f\u600e\u4e48\u9009<\/h4>\n

\u5b9e\u8df5\u4e2d\u7684\u9009\u62e9\u53ef\u4ee5\u6536\u6210\u4e00\u5f20\u51b3\u7b56\u8868：<\/p>\n\n\u573a\u666f\u63a8\u8350\u5199\u6cd5\u7406\u7531<\/tr>\n\n\n\n\n\n
\u4e24\u4e09\u4e2a\u5b57\u7b26\u4e32\u62fc\u4e00\u6b21，\u4f4e\u9891\u8c03\u7528<\/td>\n+\u00a0\u6216\u00a0$""<\/td>\n\u53ef\u8bfb\u6027\u6700\u597d，\u5206\u914d\u91cf\u4e5f\u53ef\u63a5\u53d7<\/td>\n<\/tr>\n
\u5faa\u73af\u5185\u62fc\u63a5\u3001\u65e5\u5fd7\u805a\u5408\u3001\u534f\u8bae\u7ec4\u5305<\/td>\nStringBuilder，\u9884\u4f30\u5bb9\u91cf<\/td>\n\u5355\u7ed3\u679c\u5206\u914d，\u907f\u514d O(n\u00b2) \u590d\u5236<\/td>\n<\/tr>\n
\u6bcf\u5e27\u6267\u884c\u7684\u6587\u672c\u62fc\u63a5<\/td>\n\u5148\u6d88\u706d\u62fc\u63a5\u9700\u6c42，\u975e\u7559\u4e0d\u53ef\u518d\u7528\u590d\u7528\u7684 StringBuilder<\/td>\n\u89c1\u7b2c\u516d\u8282，\u6bcf\u5e27 ToString \u7ed3\u679c\u4ecd\u662f\u5206\u914d<\/td>\n<\/tr>\n
\u5927\u91cf\u540c\u7ed3\u6784\u6587\u672c（\u5982 CSV \u4e00\u884c）<\/td>\nstring.Join\u00a0\u6216\u00a0Span\/string.Create（\u53c2\u89c1 08-07）<\/td>\nJoin \u5185\u90e8\u4e00\u6b21\u8ba1\u7b97\u603b\u957f\u518d\u4e00\u6b21\u5206\u914d<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

string.Join\u00a0\u5148\u904d\u5386\u7b97\u51fa\u603b\u957f\u5ea6\u518d\u4e00\u6b21\u5206\u914d\u5e76\u586b\u5145，\u6ca1\u6709\u4e2d\u95f4\u5783\u573e\u4e32，"\u5f88\u591a\u77ed\u4e32\u62fc\u6210\u957f\u4e32"\u65f6\u5206\u914d\u6b21\u6570\u663e\u8457\u5c11\u4e8e\u624b\u5199\u5faa\u73af\u52a0\u52a0\u3002<\/p>\n

\u56db\u3001Substring \u4e0e\u5207\u7247：\u5c0f\u7a97\u53e3\u5927\u590d\u5236<\/h3>\n

4.1 Substring \u7684\u5206\u914d\u8def\u5f84<\/h4>\n

Substring \u4f1a\u590d\u5236\u539f\u5b57\u7b26\u4e32\u7684\u4e00\u90e8\u5206\u521b\u5efa\u65b0\u5b57\u7b26\u4e32，\u5927\u5b57\u7b26\u4e32\u53d6\u5c0f\u90e8\u5206\u65f6\u6d6a\u8d39\u660e\u663e\u3002\u8fd9\u6761\u5728 Unity \u7684 Mono \u4e0e IL2CPP \u540e\u7aef\u4e0a\u6210\u7acb，\u5c55\u5f00\u770b\u5b83\u7684\u4ee3\u4ef7：<\/p>\n

\/\/ \u4ece\u4e00\u4efd 100KB \u7684\u914d\u7f6e\u6587\u672c\u91cc\u53cd\u590d\u622a\u53d6\u5c0f\u6bb5
\nstring big = LoadConfigText(); \/\/ \u5047\u8bbe 100KB，\u7ea6 5 \u4e07\u4e2a\u5b57\u7b26
\nfor (int i = 0; i < parsedKeys.Count; i++)
\n{
\n string key = big.Substring(start[i], length[i]); \/\/ \u6bcf\u6b21\u90fd\u662f\u5168\u65b0\u5b57\u7b26\u4e32
\n table[key] = i;
\n}<\/p>\n

\u9010\u6bb5\u89e3\u8bfb\u3002big\u00a0\u53ea\u52a0\u8f7d\u4e00\u6b21，\u8fd9\u6ca1\u95ee\u9898；\u95ee\u9898\u5168\u5728\u5faa\u73af\u4f53\u91cc\u90a3\u4e00\u6b21\u00a0Substring\u3002\u5b83\u505a\u7684\u4e24\u4ef6\u4e8b\u662f：\u5728\u5806\u4e0a\u5206\u914d\u4e00\u4e2a\u5168\u65b0\u7684 string \u5bf9\u8c61，\u7136\u540e\u628a\u00a0big\u00a0\u91cc\u4ece\u00a0start[i]\u00a0\u5f00\u59cb\u3001\u957f\u5ea6\u00a0length[i]\u00a0\u7684\u90a3\u6bb5\u5b57\u7b26\u590d\u5236\u8fdb\u53bb\u3002\u539f\u4e32\u00a0big\u00a0\u4e00\u4e2a\u5b57\u8282\u90fd\u4e0d\u4f1a\u88ab\u7701\u7565，\u5b83\u59cb\u7ec8\u5b8c\u6574\u5730\u5360\u7740\u90a3 100KB\u3002\u4e8e\u662f\u540c\u4e00\u4efd\u6570\u636e\u5728\u5185\u5b58\u91cc\u5b58\u5728\u4e24\u4efd\u62f7\u8d1d：\u5b8c\u6574\u7684\u914d\u7f6e\u4e32，\u52a0\u4e0a\u82e5\u5e72\u4e2a\u4ece\u5b83\u8eab\u4e0a\u590d\u5236\u51fa\u6765\u7684\u5c0f\u4e32\u3002\u5faa\u73af 500 \u6b21\u5c31\u662f 500 \u4e2a\u65b0\u5b57\u7b26\u4e32\u5bf9\u8c61\u52a0 500 \u6b21\u5b57\u7b26\u590d\u5236，\u800c\u8fd9\u4e9b\u5c0f\u4e32\u591a\u6570\u7528\u5b8c\u952e\u503c\u5bf9\u6784\u9020\u5c31\u6b7b\u4e86，\u7eaf\u7cb9\u662f\u8fc7\u8def\u5783\u573e\u3002<\/p>\n

\u590d\u5236\u8fc7\u7a0b\u7528\u56fe\u770b\u66f4\u76f4\u89c2：<\/p>\n

\u539f\u4e32 big（100KB，\u5e38\u9a7b）：
\n[————————————————– 5\u4e07\u5b57\u7b26 ————————————————–]
\n \u25b2
\nSubstring(start=1000, len=8) \u4f1a\u505a\u7684\u4e8b： \u2502 \u622a\u53d6\u7a97\u53e3
\n \u25bc
\n\u65b0\u4e32 key（\u6bcf\u6b21\u5faa\u73af\u90fd\u65b0\u5206\u914d）：
\n[\u5bf9\u8c61\u5934][len=8]['k','e','y','N','a','m','e','!'] \u2190 \u72ec\u7acb\u526f\u672c，\u4e0e big \u65e0\u5171\u4eab<\/p>\n

\u987a\u5e26\u8bf4\u6e05\u695a\u4e00\u4e2a\u5e38\u89c1\u7591\u95ee：\u684c\u9762 .NET \u4e0a\u6709\u4eba\u8bf4 Substring \u4e0d\u590d\u5236，\u6709\u4e9b\u8fd0\u884c\u65f6\u7248\u672c\u4e5f\u786e\u5b9e\u5bf9\u5b83\u505a\u8fc7\u5185\u90e8\u4f18\u5316，\u4f46\u7ed3\u8bba\u4e0d\u80fd\u642c\u5230 Unity：Mono \u4e0e IL2CPP \u540e\u7aef\u6309"\u5206\u914d\u52a0\u590d\u5236"\u5b9e\u73b0，\u5b98\u65b9\u6587\u6863\u4e5f\u6ca1\u6709\u96f6\u62f7\u8d1d\u627f\u8bfa\u3002\u5199 Unity \u4ee3\u7801\u6309\u6700\u574f\u60c5\u51b5\u505a\u6027\u80fd\u9884\u7b97，\u624d\u4e0d\u4f1a\u5728\u771f\u673a\u4e0a\u88ab\u6253\u8138\u3002<\/p>\n

4.2 \u6539\u6cd5：\u7d22\u5f15\u5316\u3001Span\u3001\u7ed3\u679c\u7f13\u5b58<\/h4>\n

\u6539\u6cd5\u6309\u4fb5\u5165\u6027\u4ece\u4f4e\u5230\u9ad8\u6392\u4e09\u79cd\u3002\u7b2c\u4e00\u79cd\u662f\u7d22\u5f15\u5316：\u4e0d\u8981\u628a\u5c0f\u7a97\u53e3\u7acb\u523b\u53d8\u6210\u5b57\u7b26\u4e32，\u628a"\u8d77\u70b9\u52a0\u957f\u5ea6"\u8fd9\u5bf9\u7d22\u5f15\u4f20\u4e0b\u53bb，\u771f\u6b63\u9700\u8981\u5b57\u7b26\u4e32\u7684\u4f4d\u7f6e\u53ea\u8f6c\u6362\u4e00\u6b21\u3002\u5bf9 4.1 \u7684\u4f8b\u5b50，\u82e5\u8fd9\u4e9b\u5c0f\u7a97\u53e3\u53ea\u7528\u4e8e\u4e34\u65f6\u67e5\u627e，\u5b8c\u5168\u53ef\u4ee5\u6539\u6210\u5bf9\u539f\u4e32\u7684\u8303\u56f4\u6bd4\u8f83，\u53ea\u5728\u6700\u7ec8\u8981\u957f\u671f\u6301\u6709\u7684\u952e\u4e0a\u8f6c\u4e00\u6b21\u5b57\u7b26\u4e32\u3002<\/p>\n

\u7b2c\u4e8c\u79cd\u662f\u7528\u00a0ReadOnlySpan<char>\u00a0\u8868\u793a\u5207\u7247，Span \u7684\u5207\u7247\u53ea\u662f\u4e24\u4e2a\u5b57\u6bb5\u7684\u504f\u79fb，\u4e0d\u5206\u914d\u4e0d\u590d\u5236\u3002Unity \u7248\u672c\u8f83\u65b0\u7684\u9879\u76ee\u53ef\u4ee5\u5728\u70ed\u8def\u5f84\u4e0a\u7528\u5b83，\u7ec6\u8282\u4e0e\u66f4\u591a\u96f6\u5206\u914d\u6280\u5de7\u53c2\u89c1\u672c\u7bc7 08-07\u300aSpan \u4e0e\u96f6\u5206\u914d\u7f16\u7a0b\u300b\u3002<\/p>\n

\u7b2c\u4e09\u79cd\u662f\u7ed3\u679c\u7f13\u5b58：\u540c\u4e00\u4e2a\u5207\u7247\u7ed3\u679c\u5728\u4e00\u4e2a\u903b\u8f91\u5e27\u6216\u4e00\u6b21\u89e3\u6790\u91cc\u88ab\u53cd\u590d\u4f7f\u7528\u65f6，\u53ea\u622a\u53d6\u4e00\u6b21\u5b58\u8d77\u6765\u3002\u8fd9\u6761\u5bf9"\u6bcf\u5e27 Substring \u540c\u4e00\u6bb5"\u7684\u4ee3\u7801\u5c24\u5176\u6709\u6548，\u628a\u6bcf\u5e27 N \u6b21\u5206\u914d\u53d8\u6210\u6bcf\u6b21\u914d\u7f6e\u53d8\u66f4 N \u6b21\u5206\u914d\u3002<\/p>\n

\u4e94\u3001ToString \u4e0e\u88c5\u7bb1\u7684\u53e0\u52a0\u6548\u5e94<\/h3>\n

5.1 \u503c\u7c7b\u578b ToString \u672c\u8eab\u5c31\u5206\u914d<\/h4>\n

\u503c\u7c7b\u578b\u7684 ToString \u8d70\u7684\u901a\u5e38\u662f Number.ToString \u90a3\u4e00\u5957\u5b9e\u73b0，\u4ea7\u51fa\u5fc5\u7136\u662f\u4e00\u6b21\u5b57\u7b26\u4e32\u5206\u914d，\u6027\u80fd\u70ed\u8def\u5f84\u4e2d\u5e94\u7f13\u5b58\u6216\u907f\u514d\u8c03\u7528\u3002\u8865\u4e0a\u91cf\u7ea7\u89c6\u89d2：\u4e00\u4e2a\u00a0int\u00a0\u7684 ToString \u5728\u5806\u4e0a\u4ea7\u751f\u4e00\u4e2a 1 \u5230 10 \u5b57\u7b26\u4e0d\u7b49\u7684\u65b0\u5b57\u7b26\u4e32（\u8d1f\u6570\u66f4\u957f），\u5bf9\u8c61\u5934\u52a0\u5b57\u7b26\u6570\u636e\u7ea6 24 \u5230 32 \u5b57\u8282（\u5178\u578b\u4f30\u7b97，\u968f\u8fd0\u884c\u65f6\u5bf9\u9f50\u65b9\u5f0f\u6d6e\u52a8）\u3002\u5355\u770b\u5f88\u5c0f，\u4f46 ToString \u5f80\u5f80\u4e0d\u662f\u5b64\u7acb\u8c03\u7528，\u5b83\u7ecf\u5e38\u548c\u62fc\u63a5\u3001\u683c\u5f0f\u5316\u53e0\u5728\u4e00\u8d77\u6210\u4e32\u51fa\u73b0\u3002<\/p>\n

5.2 \u88c5\u7bb1\u662f\u600e\u4e48\u53e0\u8fdb\u6765\u7684<\/h4>\n

\u771f\u6b63\u628a ToString \u7684\u6210\u672c\u63a8\u4e0a\u53bb\u7684\u662f\u5b83\u4e0e\u88c5\u7bb1\u3001\u683c\u5f0f\u5316 API \u7684\u7ec4\u5408\u3002\u770b\u4e00\u7ec4\u5bf9\u7167：<\/p>\n

\/\/ \u574f：\u4e09\u5c42\u53e0\u52a0，\u5b57\u7b26\u4e32 + \u88c5\u7bb1 + \u6570\u7ec4
\nint hp = 1234;
\nstring s1 = hp.ToString(); \/\/ \u5206\u914d 1 \u4e2a\u5b57\u7b26\u4e32
\nstring s2 = string.Format("{0}\/{1}", hp, max); \/\/ object[] \u6570\u7ec4 + 2 \u4e2a\u88c5\u7bb1 + 1 \u4e2a\u7ed3\u679c\u4e32
\nstring s3 = $"{hp}\/{max}"; \/\/ Unity \u8fd0\u884c\u65f6\u4e0a\u63a5\u8fd1 Format \u7684\u8def\u5f84
\nstring s4 = string.Concat(hp, "\/", max); \/\/ Concat(object,…) \u91cd\u8f7d：2 \u6b21\u9690\u5f0f ToString<\/p>\n

\/\/ \u597d：\u4e0d\u88c5\u7bb1\u3001\u6309\u9700\u5206\u914d
\nvar sb = new StringBuilder(24);
\nsb.Append(hp).Append('\/').Append(max); \/\/ Append(int) \u4e0d\u88c5\u7bb1\u4e0d\u5efa\u4e34\u65f6\u4e32
\nstring s5 = sb.ToString(); \/\/ \u53ea\u5728\u771f\u9700\u8981\u5b57\u7b26\u4e32\u65f6\u5206\u914d\u4e00\u6b21<\/p>\n

\u9010\u6bb5\u89e3\u8bfb\u3002\u7b2c\u4e00\u884c\u00a0hp.ToString()\u00a0\u662f\u6700\u5355\u7eaf\u7684\u5206\u914d：\u4e00\u4e2a\u77ed\u547d\u5b57\u7b26\u4e32，\u6ca1\u6709\u522b\u7684\u5f00\u9500\u3002\u7b2c\u4e8c\u884c\u00a0string.Format\u00a0\u7684\u53c2\u6570\u8868\u8981\u6c42\u00a0object，\u4e24\u4e2a\u00a0int\u00a0\u5404\u88ab\u88c5\u7bb1\u4e00\u6b21，\u88c5\u7bb1\u610f\u5473\u7740\u5728\u5806\u4e0a\u5206\u914d\u76d2\u5b50\u5bf9\u8c61\u518d\u628a\u503c\u62f7\u8fdb\u53bb（\u88c5\u7bb1\u673a\u5236\u89c1 08-04 \u4e13\u7ae0，\u672c\u6587\u53ea\u770b\u5b83\u5728\u5b57\u7b26\u4e32\u8def\u5f84\u4e0a\u7684\u53e0\u52a0）；\u540c\u65f6\u53ef\u53d8\u53c2\u6570\u8fd8\u4f1a\u5206\u914d\u4e00\u4e2a\u00a0object[]\u00a0\u6570\u7ec4\u88c5\u4e0b\u8fd9\u4e24\u4e2a\u76d2\u5b50，\u6700\u540e\u624d\u662f\u683c\u5f0f\u5316\u5f15\u64ce\u626b\u63cf\u683c\u5f0f\u4e32\u3001\u5199\u8fdb\u7ed3\u679c\u5b57\u7b26\u4e32\u3002\u4e00\u6b21\u8c03\u7528\u56db\u4e2a\u6258\u7ba1\u5bf9\u8c61，\u5176\u4e2d\u4e09\u4e2a\u5728\u7ed3\u679c\u5b57\u7b26\u4e32\u4e4b\u5916\u7eaf\u5c5e\u8fc7\u8def\u3002<\/p>\n

\u7b2c\u4e09\u884c\u63d2\u503c\u5b57\u7b26\u4e32\u5728 Unity \u7684\u8fd0\u884c\u65f6\u9762\u4e0a\u8d70\u7684\u8fd8\u662f\u683c\u5f0f\u5316\u8def\u5f84，\u88c5\u7bb1\u4e0e\u6570\u7ec4\u4e00\u4e2a\u4e0d\u5c11，\u5199\u6cd5\u53d8\u4f18\u96c5\u4e86，GC \u6210\u672c\u6ca1\u6709\u53d8\u4f18\u96c5\u3002\u7b2c\u56db\u884c\u5bb9\u6613\u88ab\u5f53\u6210"Concat \u66f4\u5feb\u6240\u4ee5\u66f4\u7701"，\u5b9e\u9645\u4e0a\u00a0string.Concat(params object[])\u00a0\u8fd9\u4e00\u65cf\u91cd\u8f7d\u5185\u90e8\u4ecd\u7136\u9010\u4e2a\u8c03\u7528\u53c2\u6570\u7684 ToString，\u4e24\u4e2a\u88c5\u7bb1\u7167\u6837\u53d1\u751f，\u53ea\u662f\u6570\u7ec4\u53ef\u80fd\u88ab\u4f18\u5316\u6389\u3002\u53f3\u8fb9\u7684\u597d\u5199\u6cd5\u4e4b\u6240\u4ee5\u5e72\u51c0，\u9760\u7684\u662f\u4e24\u4ef6\u4e8b：Append(int)\u00a0\u8fd9\u7c7b\u6cdb\u578b\u91cd\u8f7d\u76f4\u63a5\u628a\u6570\u5b57\u5199\u8fdb\u7f13\u51b2\u533a，\u7ed5\u5f00\u4e86 ToString \u4e0e\u88c5\u7bb1；\u7ed3\u679c\u4e32\u53ea\u5728\u771f\u6b63\u9700\u8981 string \u7684\u8fb9\u754c\u4e0a\u4ea7\u751f\u4e00\u6b21\u3002<\/p>\n

5.3 \u70ed\u8def\u5f84\u4e0a\u7684\u7b56\u7565<\/h4>\n

\u70ed\u8def\u5f84\u4e0a\u5bf9 ToString \u7684\u6b63\u786e\u6001\u5ea6\u662f"\u80fd\u4e0d\u8f6c\u5c31\u4e0d\u8f6c，\u975e\u8f6c\u4e0d\u53ef\u5c31\u6512\u4e00\u6b21"\u3002\u8ba1\u5206\u677f\u6bcf\u5e27\u66f4\u65b0\u65f6，\u5206\u6570\u6ca1\u53d8\u5c31\u4e0d\u8c03\u7528 ToString；\u53d8\u4e86\u4e5f\u53ea\u662f\u628a\u6570\u5b57 append \u8fdb\u590d\u7528\u7684 StringBuilder\u3002\u65e5\u5fd7\u7cfb\u7edf\u5982\u679c\u6bcf\u5e27\u90fd\u5728\u62fc\u53c2\u6570，\u5148\u628a"\u662f\u5426\u5f00\u542f\u8be5\u7ea7\u522b\u65e5\u5fd7"\u7684\u5224\u65ad\u653e\u5728\u62fc\u63a5\u4e4b\u524d，\u8ba9\u62fc\u63a5\u4ee3\u7801\u6839\u672c\u522b\u6267\u884c\u3002\u8fd8\u6709\u4e00\u7c7b\u9690\u853d\u70b9\u662f\u67e5\u627e\u7528\u7684 key：dict[key]\u00a0\u7684 key \u5982\u679c\u662f\u521a\u62fc\u51fa\u6765\u7684\u4e34\u65f6\u4e32，\u67e5\u627e\u672c\u8eab\u4e0d\u5206\u914d，\u4f46\u62fc key \u7684\u8fc7\u7a0b\u5df2\u7ecf\u4ed8\u8fc7\u4e00\u6b21\u8d26，\u628a\u70ed key \u7f13\u5b58\u6210\u5b57\u6bb5\u80fd\u76f4\u63a5\u780d\u6389\u8fd9\u6761\u94fe\u3002<\/p>\n

\u516d\u3001StringBuilder：\u7f13\u51b2\u533a\u673a\u5236\u3001\u9608\u503c\u4e0e\u8bef\u7528<\/h3>\n

6.1 \u5185\u90e8\u673a\u5236\u56de\u987e<\/h4>\n

StringBuilder \u5185\u90e8\u7ef4\u62a4\u5b57\u7b26\u7f13\u51b2\u533a，\u7f13\u51b2\u533a\u8db3\u591f\u65f6\u4e0d\u518d\u4ea7\u751f\u5206\u914d，\u5faa\u73af\u4e0e\u591a\u6b21\u62fc\u63a5\u573a\u666f\u90fd\u63a8\u8350\u5b83\u3002\u628a\u8fd9\u51e0\u53e5\u8bdd\u62c6\u5f00\u8bb2\u900f\u3002\u6838\u5fc3\u5b57\u6bb5\u662f\u4e00\u4e2a\u5b57\u7b26\u6570\u7ec4\u52a0\u4e00\u4e2a\u903b\u8f91\u957f\u5ea6，\u6bcf\u6b21 Append \u628a\u5b57\u7b26\u5199\u8fdb\u6570\u7ec4\u7684\u7a7a\u95f2\u5c3e\u90e8，\u53ea\u79fb\u52a8\u903b\u8f91\u957f\u5ea6，\u4e0d\u65b0\u5efa\u5b57\u7b26\u4e32\u3002\u6570\u7ec4\u88c5\u4e0d\u4e0b\u65f6\u6309\u7b56\u7565\u6269\u5bb9，\u5e38\u89c1\u7b56\u7565\u662f\u7ffb\u500d\u6216\u6309\u9700\u589e\u957f\u52a0\u4e00\u4e2a\u4f59\u91cf，\u6269\u5bb9\u4f1a\u5206\u914d\u65b0\u6570\u7ec4\u3001\u590d\u5236\u65e7\u5185\u5bb9\u3001\u91ca\u653e\u65e7\u6570\u7ec4，\u8fd9\u4e00\u4e0b\u662f\u771f\u5b9e\u7684\u5206\u914d，\u6240\u4ee5\u5bf9\u6700\u7ec8\u957f\u5ea6\u6709\u9884\u4f30\u65f6\u5b81\u53ef\u6784\u9020\u65f6\u4f20\u5165\u5bb9\u91cf，\u628a\u6269\u5bb9\u6b21\u6570\u538b\u5230\u96f6\u3002<\/p>\n

\u53e6\u4e00\u4e2a\u5173\u952e\u70b9\u662f\u00a0ToString()：\u5b83\u6309\u5f53\u524d\u903b\u8f91\u957f\u5ea6\u590d\u5236\u51fa\u4e00\u4e2a\u5168\u65b0\u7684 string\u3002\u4e5f\u5c31\u662f\u8bf4 StringBuilder \u53ea\u628a"\u4e2d\u95f4\u8fc7\u7a0b"\u7684\u5206\u914d\u6d88\u6389\u4e86，"\u4ea7\u51fa\u6700\u7ec8\u5b57\u7b26\u4e32"\u8fd9\u4e00\u6b21\u5206\u914d\u4ecd\u7136\u5728\u3002\u4e00\u6bb5\u4ee3\u7801\u82e5\u6bcf\u5e27\u8c03\u7528\u00a0sb.ToString()\u00a0\u5e76\u628a\u7ed3\u679c\u5b58\u8d77\u6765\u7528，\u90a3\u4e48\u65e0\u8bba StringBuilder \u590d\u7528\u5f97\u591a\u597d，\u6bcf\u5e27\u7167\u6837\u4ea7\u751f\u4e00\u4e2a\u7ed3\u679c\u5b57\u7b26\u4e32\u3002\u590d\u7528 StringBuilder \u89e3\u51b3\u7684\u662f\u8fc7\u7a0b\u5783\u573e，\u89e3\u51b3\u4e0d\u4e86\u7ed3\u679c\u5783\u573e\u3002<\/p>\n

6.2 \u590d\u7528\u7684\u6b63\u786e\u59ff\u52bf<\/h4>\n

\/\/ \u6bcf\u5e27\u590d\u7528\u7684 StringBuilder：\u7c7b\u5b57\u6bb5\u6301\u6709，Clear \u53ea\u6e05\u957f\u5ea6，\u4fdd\u7559\u5bb9\u91cf
\npublic class DamagePopup
\n{
\n readonly System.Text.StringBuilder _sb = new System.Text.StringBuilder(64);<\/p>\n

public string Build(int amount, string suffix)
\n {
\n _sb.Clear(); \/\/ \u957f\u5ea6\u5f52\u96f6，\u7f13\u51b2\u533a\u4fdd\u7559，\u65e0\u5206\u914d
\n _sb.Append('-').Append(amount); \/\/ Append(int)：\u683c\u5f0f\u5316\u8fdb\u7f13\u51b2\u533a，\u65e0\u4e2d\u95f4\u4e32
\n if (!string.IsNullOrEmpty(suffix))
\n _sb.Append(suffix);
\n return _sb.ToString(); \/\/ \u672c\u6b21\u5faa\u73af\u552f\u4e00\u7684\u5b57\u7b26\u4e32\u5206\u914d
\n }
\n}<\/p>\n

\u9010\u6bb5\u89e3\u8bfb\u3002_sb\u00a0\u653e\u5728\u7c7b\u5b57\u6bb5\u800c\u4e0d\u662f\u65b9\u6cd5\u5185，\u662f\u590d\u7528\u7684\u524d\u63d0：\u65b9\u6cd5\u5185\u00a0new StringBuilder()\u00a0\u6bcf\u6b21\u8c03\u7528\u90fd\u8981\u65b0\u5efa\u5bf9\u8c61，\u590d\u7528\u5c31\u65e0\u4ece\u8c08\u8d77\u3002Clear()\u00a0\u628a\u903b\u8f91\u957f\u5ea6\u5f52\u96f6\u4f46\u4e0d\u52a8\u5bb9\u91cf，\u8fd9\u662f\u5b83\u6bd4"\u8d4b\u503c\u6210 new"\u4f18\u8d8a\u7684\u5730\u65b9；\u53cd\u590d\u00a0new\u00a0\u7b49\u4e8e\u6bcf\u6b21\u91cd\u65b0\u8981\u4e00\u5757\u7f13\u51b2\u533a，\u65e7\u7684\u76f4\u63a5\u53d8\u5783\u573e\u3002Append('-')\u00a0\u4e0e\u00a0Append(amount)\u00a0\u8d70\u5b57\u7b26\u4e0e\u6574\u6570\u91cd\u8f7d，\u683c\u5f0f\u5316\u76f4\u63a5\u843d\u5728\u7f13\u51b2\u533a\u91cc\u3002\u672b\u5c3e\u7684\u00a0ToString()\u00a0\u662f\u552f\u4e00\u5206\u914d：\u7ed3\u679c\u5b58\u8fdb TMP \u7684 text \u5c5e\u6027\u65f6\u5b83\u4f1a\u6d3b\u5230\u4e0b\u6b21\u66f4\u65b0，\u5c5e\u4e8e\u7ed3\u679c\u5206\u914d；\u53ea\u7528\u4e8e\u65e5\u5fd7\u5224\u65ad\u5c31\u8be5\u5148\u5224\u65ad\u518d\u51b3\u5b9a\u8981\u4e0d\u8981 ToString\u3002<\/p>\n

6.3 \u8bef\u7528\u6e05\u5355<\/h4>\n

\u628a\u5b9e\u8df5\u4e2d\u9ad8\u9891\u51fa\u73b0\u7684\u8bef\u7528\u5217\u6210\u8868，\u6bcf\u4e00\u6761\u90fd\u5bf9\u5e94\u524d\u9762\u8bb2\u8fc7\u7684\u673a\u5236：<\/p>\n\n\u8bef\u7528\u4e3a\u4ec0\u4e48\u6709\u5bb3\u6b63\u786e\u505a\u6cd5<\/tr>\n\n\n\n\n\n\n\n
\u5faa\u73af\u5185\u00a0new StringBuilder()<\/td>\n\u590d\u7528\u65e0\u4ece\u8c08\u8d77，\u6bcf\u8f6e\u65b0\u5efa\u5bf9\u8c61<\/td>\n\u7c7b\u5b57\u6bb5\u6301\u6709，Clear()\u00a0\u590d\u7528<\/td>\n<\/tr>\n
\u6bcf\u5e27\u00a0sb.ToString()\u00a0\u4e14\u7ed3\u679c\u4ec5\u7528\u4e00\u6b21<\/td>\n\u8fc7\u7a0b\u96f6\u5206\u914d，\u7ed3\u679c\u4ecd\u6bcf\u5e27\u4e00\u4e2a\u4e32<\/td>\n\u5148\u5224\u65ad\u662f\u5426\u771f\u9700\u8981\u5b57\u7b26\u4e32<\/td>\n<\/tr>\n
AppendFormat\u00a0\u9010\u6bb5\u62fc<\/td>\n\u5185\u90e8\u8d70\u683c\u5f0f\u5316，\u6570\u7ec4\u4e0e\u88c5\u7bb1\u91cd\u65b0\u51fa\u73b0<\/td>\nAppend\u00a0\u7cfb\u5217\u91cd\u8f7d\u9010\u6bb5\u5199\u5165<\/td>\n<\/tr>\n
\u5bb9\u91cf\u4ece\u9ed8\u8ba4 16 \u4e00\u8def\u7ffb\u500d<\/td>\n\u591a\u6b21\u6269\u5bb9\u52a0\u591a\u6b21\u590d\u5236<\/td>\n\u6784\u9020\u65f6\u6309\u9884\u4f30\u4f20\u5bb9\u91cf<\/td>\n<\/tr>\n
\u7528 StringBuilder \u66ff\u4ee3\u5355\u6b21\u62fc\u63a5<\/td>\n\u53cd\u800c\u591a\u8981\u4e00\u4e2a\u7f13\u51b2\u533a\u5bf9\u8c61<\/td>\n\u5355\u6b21\u00a0+\u00a0\u6216\u00a0$""\u00a0\u66f4\u5212\u7b97<\/td>\n<\/tr>\n
\u628a StringBuilder \u5f53\u53c2\u6570\u5230\u5904\u4f20\u5e76\u5e76\u53d1\u4fee\u6539<\/td>\n\u5355\u5b9e\u4f8b\u975e\u7ebf\u7a0b\u5b89\u5168，\u5171\u4eab\u5373\u4e8b\u6545<\/td>\n\u6bcf\u4e2a\u4f7f\u7528\u8005\u5404\u81ea\u6301\u6709\u6216\u52a0\u9501<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8868\u91cc"\u5355\u6b21\u62fc\u63a5\u4e0d\u503c\u5f97\u4e0a StringBuilder"\u8fd9\u6761\u5e38\u88ab\u5ffd\u7565：StringBuilder \u5bf9\u8c61\u672c\u8eab\u4e5f\u6709\u5bf9\u8c61\u5934\u548c\u7f13\u51b2\u533a\u6570\u7ec4，\u4e00\u6b21\u6027\u62fc\u4e24\u4e09\u6bb5\u5c31\u4e22\u7684\u573a\u666f，a + b\u00a0\u53ea\u4ea7\u751f\u4e00\u4e2a\u7ed3\u679c\u4e32，\u53cd\u800c\u6bd4"new \u518d ToString"\u5c11\u4e00\u4e2a\u4e2d\u95f4\u5bf9\u8c61\u3002\u5de5\u5177\u8981\u7528\u5728\u5b83\u5212\u7b97\u7684\u5730\u65b9\u3002<\/p>\n

\u4e03\u3001\u5b57\u7b26\u4e32\u6c60\u5316：Intern\u3001\u5e94\u7528\u7ea7\u6c60\u4e0e\u547d\u540d\u6570\u636e<\/h3>\n

7.1\u00a0string.Intern\u00a0\u7684\u8fb9\u754c<\/h4>\n

CLR \u5185\u7f6e\u4e86\u4e00\u4e2a\u9a7b\u7559\u6c60，string.Intern(s)\u00a0\u8fd4\u56de\u6c60\u4e2d\u5df2\u6709\u7684\u540c\u5185\u5bb9\u5b57\u7b26\u4e32，\u6ca1\u6709\u5c31\u767b\u8bb0\u8fdb\u53bb\u3002\u5b83\u5bf9"\u6210\u5343\u4e0a\u4e07\u4e2a\u76f8\u540c\u77ed\u4e32"\u7684\u573a\u666f\u5f88\u6709\u6548，\u6bd4\u5982\u4ece\u5927\u91cf\u6570\u636e\u884c\u91cc\u53cd\u590d\u8bfb\u53d6\u540c\u4e00\u7ec4\u679a\u4e3e\u5b57\u7b26\u4e32\u3002\u4f46\u8fb9\u754c\u5fc5\u987b\u5148\u8bb2\u6e05\u695a：\u9a7b\u7559\u6c60\u53ea\u8fdb\u4e0d\u51fa，\u5b57\u7b26\u4e32\u4e00\u65e6\u767b\u8bb0\u5c31\u957f\u671f\u9a7b\u7559，\u628a\u672c\u8be5\u88ab\u56de\u6536\u7684\u5b57\u7b26\u4e32\u53d8\u6210\u5e38\u9a7b\u5185\u5b58，\u53cd\u800c\u62ac\u9ad8\u5806\u6c34\u4f4d；\u5bf9\u8d85\u957f\u5b57\u7b26\u4e32\u505a Intern \u7684\u67e5\u627e\u6210\u672c\u4e5f\u4e0d\u4f4e；\u5728 IL2CPP \u540e\u7aef\u4e0a\u9a7b\u7559\u884c\u4e3a\u53d7\u5b9e\u73b0\u5dee\u5f02\u5f71\u54cd，\u4e0d\u80fd\u5047\u8bbe\u4e0e\u684c\u9762 .NET \u5b8c\u5168\u4e00\u81f4\u3002\u7ed3\u8bba\u662f Intern \u53ea\u9002\u5408"\u6709\u9650\u96c6\u5408\u3001\u9ad8\u9891\u91cd\u590d\u3001\u751f\u547d\u5468\u671f\u672c\u5c31\u63a5\u8fd1\u9759\u6001"\u7684\u5b57\u7b26\u4e32，\u4f8b\u5982\u534f\u8bae\u5b57\u6bb5\u540d\u3001\u914d\u7f6e\u952e\u540d\u3001\u6280\u80fd\u679a\u4e3e\u540d\u3002<\/p>\n

7.2 \u5e94\u7528\u7ea7\u6c60<\/h4>\n

\u591a\u6570\u9879\u76ee\u66f4\u9002\u5408\u81ea\u5df1\u63a7\u5236\u7684\u5e94\u7528\u7ea7\u6c60\u3002\u5148\u770b\u4e00\u4e2a\u6700\u5c0f\u5b9e\u73b0，\u540e\u9762\u9010\u6bb5\u8bf4\u6e05\u695a\u5b83\u7684\u9002\u7528\u8fb9\u754c：<\/p>\n

\/\/ \u7b80\u5355\u7684\u5b57\u7b26\u4e32\u6c60\u5316\u5b9e\u73b0
\npublic static class StringPool {
\n private static Dictionary<string, string> pool = new();
\n public static string Intern(string s) {
\n if (pool.TryGetValue(s, out var cached)) return cached;
\n pool[s] = s;
\n return s;
\n }
\n}
\n\/\/ \u9002\u7528\u573a\u666f: \u5927\u91cf\u91cd\u590d\u5b57\u7b26\u4e32(\u5982\u7269\u54c1\u540d\u79f0\u3001\u7279\u6548\u540d\u79f0)
\n\/\/ string.Intern \u4f7f\u7528 CLR \u5185\u7f6e\u6c60, \u4e0a\u9762\u7684\u5b9e\u73b0\u4f7f\u7528\u5e94\u7528\u7ea7\u6c60, \u53ef\u6309\u9700\u6e05\u7406<\/p>\n

\u9010\u6bb5\u89e3\u8bfb\u3002\u8fd9\u4e2a\u6c60\u7684\u672c\u8d28\u662f\u4e00\u4e2a\u4ee5\u5b57\u7b26\u4e32\u5185\u5bb9\u4e3a\u952e\u7684\u5b57\u5178：\u65b0\u4e32\u8fdb\u6765\u5148\u67e5\u6709\u6ca1\u6709\u540c\u5185\u5bb9\u7684\u9a7b\u7559\u7248\u672c，\u6709\u5c31\u590d\u7528\u65e7\u7684，\u6ca1\u6709\u5c31\u767b\u8bb0\u3002\u76f8\u6bd4\u00a0string.Intern，\u5b83\u7684\u597d\u5904\u5168\u5728"\u53ef\u63a7"\u4e0a：\u5b57\u5178\u662f\u4f60\u81ea\u5df1\u7684，\u53ef\u4ee5\u5728\u5173\u5361\u5378\u8f7d\u3001\u5546\u57ce\u5173\u95ed\u3001\u534f\u8bae\u91cd\u8fde\u8fd9\u4e9b\u65f6\u673a\u6309\u524d\u7f00\u6216\u6309\u6574\u8868\u6e05\u7406，\u628a\u4e0d\u8be5\u5e38\u9a7b\u7684\u540d\u5b57\u653e\u56de\u5806\u91cc\u8ba9 GC \u5904\u7406\u3002\u8fd9\u4e5f\u6b63\u662f\u6ce8\u91ca\u91cc"\u53ef\u6309\u9700\u6e05\u7406"\u56db\u4e2a\u5b57\u7684\u542b\u4e49\u3002<\/p>\n

\u5b83\u7684\u4ee3\u4ef7\u540c\u6837\u8981\u6b63\u89c6\u3002\u7b2c\u4e00，\u5b57\u5178\u7684\u952e\u6301\u6709\u5b57\u7b26\u4e32\u5f15\u7528，\u6c60\u6709\u591a\u5927\u5e38\u9a7b\u5185\u5b58\u5c31\u6709\u591a\u5927，\u6e05\u7406\u7b56\u7565\u6ca1\u8bbe\u8ba1\u597d\u7b49\u4e8e\u81ea\u5df1\u9020\u4e86\u4e00\u4e2a\u53ea\u8fdb\u4e0d\u51fa\u7684\u9a7b\u7559\u6c60\u3002\u7b2c\u4e8c，TryGetValue\u00a0\u6709\u6563\u5217\u4e0e\u6bd4\u8f83\u6210\u672c，\u5b57\u7b26\u4e32\u5f88\u957f\u6216\u8c03\u7528\u6781\u9891\u7e41\u65f6\u8981\u7b97\u8fd9\u7b14\u8d26，\u5fc5\u8981\u65f6\u6539\u7528"\u77ed\u5185\u5bb9\u505a\u952e"\u7684\u4e24\u7ea7\u7ed3\u6784\u3002\u7b2c\u4e09，\u591a\u7ebf\u7a0b\u8bbf\u95ee\u9700\u8981\u52a0\u9501\u6216\u6362\u5e76\u53d1\u5b57\u5178，\u9501\u53c8\u5f15\u5165\u4e89\u7528，\u6c60\u5316\u8c03\u7528\u70b9\u6700\u597d\u96c6\u4e2d\u5728\u52a0\u8f7d\u671f\u4e0e\u521d\u59cb\u5316\u671f，\u800c\u4e0d\u662f\u6bcf\u5e27\u70ed\u8def\u5f84\u3002\u7b2c\u56db，Unity \u5173\u95ed\u57df\u91cd\u8f7d\u65f6\u9759\u6001\u6c60\u8de8\u573a\u666f\u5b58\u6d3b，\u4e0d\u5173\u5219\u6bcf\u6b21\u8fdb\u64ad\u653e\u6a21\u5f0f\u90fd\u91cd\u5efa，\u4e24\u79cd\u884c\u4e3a\u5bf9\u5185\u5b58\u66f2\u7ebf\u5f71\u54cd\u4e0d\u540c，\u505a\u771f\u673a\u5185\u5b58\u8bc4\u4f30\u8981\u628a\u8fd9\u4e2a\u53d8\u91cf\u56fa\u5b9a\u4e0b\u6765\u3002<\/p>\n

7.3 \u4ec0\u4e48\u65f6\u5019\u4e0d\u503c\u5f97\u6c60\u5316<\/h4>\n

\u4e09\u4e2a\u4fe1\u53f7\u51fa\u73b0\u4efb\u4f55\u4e00\u4e2a\u5c31\u8be5\u505c\u624b\u3002\u4e00\u662f\u5b57\u7b26\u4e32\u79cd\u7c7b\u65e0\u754c\u589e\u957f，\u6bd4\u5982\u628a\u73a9\u5bb6\u6635\u79f0\u3001\u804a\u5929\u5185\u5bb9\u3001\u52a8\u6001\u751f\u6210\u7684\u8def\u5f84\u585e\u8fdb\u6c60，\u6c60\u672c\u8eab\u4f1a\u65e0\u9650\u81a8\u80c0\u3002\u4e8c\u662f\u5b57\u7b26\u4e32\u5f88\u957f，\u6c60\u5316\u7701\u4e0b\u7684\u5206\u914d\u88ab\u5b57\u5178\u5b58\u50a8\u6210\u672c\u53cd\u8d85\u3002\u4e09\u662f\u8c03\u7528\u70b9\u5728\u6bcf\u5e27\u70ed\u8def\u5f84\u4e14\u65e0\u9501\u4e0d\u53ef\u884c，\u4e3a\u7701\u51e0\u4e2a\u5c0f\u5206\u914d\u5f15\u5165\u9501\u4e89\u7528\u901a\u5e38\u5f97\u4e0d\u507f\u5931\u3002\u6c60\u5316\u7684\u6b63\u786e\u5fc3\u6001\u662f\u628a\u5b83\u5f53"\u6709\u9650\u8bcd\u5178"，\u670d\u52a1\u679a\u4e3e\u540d\u4e0e\u914d\u7f6e\u540d\u8fd9\u7c7b\u5929\u7136\u5c01\u95ed\u7684\u96c6\u5408\u3002<\/p>\n

\u518d\u8865\u4e09\u6761\u4ee3\u7801\u5ba1\u67e5\u65f6\u503c\u5f97\u76ef\u7684\u6a21\u5f0f，\u5e76\u9644\u91cf\u7ea7："" + x\u00a0\u4ea7\u751f 2 \u4e2a\u4e34\u65f6\u5b57\u7b26\u4e32（\u7a7a\u4e32\u5e38\u91cf\u672c\u8eab\u4e0d\u5206\u914d，x\u00a0\u7684 ToString \u52a0\u4e00\u6b21 Concat \u5404\u4e00\u4e2a）；x + ", " + y\u00a0\u4ea7\u751f 3 \u4e2a（\u4e24\u6b21 ToString \u6216\u5df2\u6709\u4e32\u52a0\u4e00\u6b21\u4e2d\u95f4 Concat \u52a0\u4e00\u6b21\u6700\u7ec8 Concat，\u89c6\u9879\u7684\u9759\u6001\u7c7b\u578b\u6d6e\u52a8）；\u5faa\u73af\u5185\u62fc\u63a5\u662f O(n\u00b2) \u5b57\u7b26\u590d\u5236\u3002\u8fd9\u4e09\u6761\u53ef\u4ee5\u76f4\u63a5\u6284\u8fdb\u56e2\u961f\u7684\u9759\u6001\u626b\u63cf\u89c4\u5219\u6216 Code Review \u6e05\u5355\u3002<\/p>\n

\u516b\u3001\u7f16\u7801\u8f6c\u6362：UTF8 \u5f80\u8fd4\u7684\u53cc\u500d\u5206\u914d<\/h3>\n

\u5b57\u7b26\u4e32\u4e0e\u5b57\u8282\u6570\u7ec4\u4e4b\u95f4\u7684\u8f6c\u6362\u662f\u53e6\u4e00\u7c7b\u9690\u853d\u5206\u914d，\u51fa\u73b0\u5728\u5b58\u6863\u3001\u7f51\u7edc\u3001\u539f\u751f\u63d2\u4ef6\u4ea4\u4e92\u3001\u6587\u4ef6\u8bfb\u5199\u8fd9\u4e9b\u5730\u65b9\u3002Encoding.UTF8.GetBytes(string)\u00a0\u5728\u5806\u4e0a\u5206\u914d\u4e00\u4e2a\u00a0byte[]\u00a0\u5e76\u628a UTF-8 \u5b57\u8282\u5199\u8fdb\u53bb；Encoding.UTF8.GetString(byte[])\u00a0\u53cd\u8fc7\u6765\u5206\u914d\u4e00\u4e2a\u65b0 string\u3002\u4e00\u6b21\u5f80\u8fd4，\u5b57\u7b26\u4e32\u548c\u5b57\u8282\u6570\u7ec4\u5404\u6765\u4e00\u904d，\u8c01\u90fd\u6ca1\u7701\u3002<\/p>\n

\/\/ \u574f：\u6bcf\u6b21\u6536\u53d1\u5305\u90fd\u65b0\u5efa\u7f13\u51b2\u533a\u5e76\u5f80\u8fd4\u8f6c\u6362
\nbyte[] Send(string payload)
\n{
\n byte[] bytes = Encoding.UTF8.GetBytes(payload); \/\/ \u5206\u914d byte[]
\n WriteToSocket(bytes); \/\/ \u53d1\u9001
\n return bytes; \/\/ \u7528\u5b8c\u5373\u5f03，\u4e0b\u4e00\u8f6e\u518d\u6765
\n}<\/p>\n

\/\/ \u597d：\u7f13\u51b2\u533a\u590d\u7528，\u53ea\u5728\u5185\u5bb9\u53d8\u5316\u65f6\u91cd\u65b0\u7f16\u7801
\nreadonly byte[] _sendBuffer = new byte[8 * 1024];
\nint _sendLength;<\/p>\n

void PrepareSend(string payload)
\n{
\n _sendLength = Encoding.UTF8.GetBytes(
\n payload.AsSpan(), _sendBuffer); \/\/ \u7f16\u7801\u8fdb\u5df2\u6709\u7f13\u51b2\u533a，\u65e0 byte[] \u5206\u914d
\n WriteToSocket(_sendBuffer, _sendLength);
\n}<\/p>\n

\u9010\u6bb5\u89e3\u8bfb\u3002\u574f\u7248\u672c\u6bcf\u6b21\u8c03\u7528\u4e24\u4e2a\u5206\u914d\u89c6\u89d2：GetBytes(string)\u00a0\u8fd4\u56de\u5168\u65b0\u6570\u7ec4，\u5176\u5bb9\u91cf\u7531\u5b57\u7b26\u4e32\u957f\u5ea6\u51b3\u5b9a，\u5185\u5bb9\u4e00\u53d8\u6570\u7ec4\u5c31\u4f5c\u5e9f；\u5728\u9ad8\u9891\u6536\u53d1\u7684\u573a\u666f\u91cc\u8fd9\u5c31\u662f\u6bcf\u5305\u4e00\u6b21\u7684\u6570\u7ec4\u5783\u573e，\u5305\u5927\u4e00\u70b9\u8fd8\u4f1a\u903c\u8fd1 LOH \u9608\u503c（.NET \u7cfb\u8fd0\u884c\u65f6\u5927\u5bf9\u8c61\u9608\u503c\u4e3a 85,000 \u5b57\u8282，Unity \u7684 Boehm \u8def\u5f84\u4e0a\u5927\u6570\u7ec4\u540c\u6837\u662f\u6700\u4e0d\u5e0c\u671b\u9891\u7e41\u91cd\u751f\u7684\u5bf9\u8c61\u7c7b\u522b）\u3002\u597d\u7248\u672c\u628a\u7f13\u51b2\u533a\u63d0\u4e3a\u5b57\u6bb5，GetBytes\u00a0\u8c03\u7528\u6539\u7528\u63a5\u6536\u7f13\u51b2\u533a\u7684\u91cd\u8f7d，\u7f16\u7801\u7ed3\u679c\u76f4\u63a5\u5199\u8fdb\u5df2\u6709\u6570\u7ec4，\u8fd4\u56de\u503c\u662f\u5b9e\u9645\u5199\u5165\u7684\u5b57\u8282\u6570\u800c\u4e0d\u662f\u65b0\u6570\u7ec4\u3002\u8fd9\u5957\u6539\u6cd5\u7684\u524d\u63d0\u662f\u5bf9\u6700\u5927\u957f\u5ea6\u6709\u628a\u63e1，\u8d85\u957f\u5185\u5bb9\u9700\u8981\u6269\u5bb9\u7b56\u7565\u914d\u5408，\u5b81\u53ef\u5206\u5e27\u6216\u5206\u7247\u53d1\u9001，\u4e5f\u4e0d\u8981\u9000\u56de\u6bcf\u5305\u65b0\u5efa\u3002<\/p>\n

\u540c\u4e00\u4e2a\u6a21\u5f0f\u8fd8\u6709\u51e0\u4e2a\u53d8\u4f53：\u4ece\u539f\u751f\u63d2\u4ef6\u53d6\u5b57\u7b26\u4e32\u65f6，\u4f18\u5148\u8ba9\u5bf9\u65b9\u5199\u5165\u9884\u5206\u914d\u7684\u00a0byte[]\u00a0\u6216\u00a0NativeArray<byte>，\u81ea\u5df1\u518d\u89e3\u7801\u4e00\u6b21；\u9ad8\u9891\u5c0f\u6587\u4ef6\u8bfb\u53d6\u590d\u7528\u7f13\u51b2\u533a\u52a0\u6d41\u5f0f\u8bfb\u53d6；\u4e0e\u6587\u672c\u534f\u8bae\u6253\u4ea4\u9053\u65f6，\u628a"\u89e3\u7801\u51fa\u6765\u7684 string"\u4e5f\u7eb3\u5165\u5206\u914d\u9884\u7b97，UTF-8 \u5230 UTF-16 \u7684\u8f6c\u6362\u672c\u8eab\u5c31\u662f\u4e00\u6b21\u5b57\u7b26\u4e32\u5206\u914d\u3002\u8fd9\u4e9b\u8def\u5f84\u4e0a\u7684 API \u968f Unity \u7248\u672c\u53d8\u5316，\u5224\u65ad\u6807\u51c6\u4e0d\u53d8：\u770b Profiler \u91cc\u6709\u6ca1\u6709\u4f60\u4e0d\u8ba4\u8bc6\u7684 byte \u6570\u7ec4\u4e0e\u5b57\u7b26\u4e32\u6210\u5bf9\u51fa\u73b0\u3002<\/p>\n

\u4e5d\u3001TextMeshPro \u4e0e UI \u6587\u672c\u7684\u5e38\u89c1\u8bef\u7528<\/h3>\n

UI \u6587\u672c\u662f\u5b57\u7b26\u4e32\u5206\u914d\u7684\u91cd\u707e\u533a，\u56e0\u4e3a\u5b83\u540c\u65f6\u8e29\u4e2d"\u6bcf\u5e27\u62fc\u63a5"\u548c"\u6539\u4e00\u4e2a\u5b57\u89e6\u53d1\u6574\u5757\u91cd\u5efa"\u4e24\u4ef6\u4e8b\u3002\u5148\u5206\u6e05\u4e24\u7c7b\u6210\u672c：\u5b57\u7b26\u4e32\u5206\u914d\u662f GC \u95ee\u9898，\u6587\u672c\u7f51\u683c\u91cd\u5efa\u662f CPU \u95ee\u9898，\u4e24\u8005\u90fd\u62d6\u7d2f\u5e27\u65f6\u95f4，\u6cbb\u7597\u65b9\u6848\u4e0d\u540c，\u672c\u6587\u53ea\u8d1f\u8d23\u524d\u8005，\u540e\u8005\u89c1 08-09 \u4e0e 08-10\u3002<\/p>\n

\u5e38\u89c1\u8bef\u7528\u4e00：\u6bcf\u5e27\u65e0\u6761\u4ef6\u8d4b\u503c\u3002scoreText.text = score.ToString()\u00a0\u5728\u5206\u6570\u6ca1\u53d8\u7684\u5e27\u91cc\u4e5f\u7167\u505a\u4e00\u904d ToString \u4e0e\u5c5e\u6027\u8d4b\u503c\u3002\u5c5e\u6027\u8d4b\u503c\u672c\u8eab\u8fd8\u4f1a\u89e6\u53d1 TMP \u5185\u90e8\u7684\u89e3\u6790\u6d41\u7a0b，\u5185\u5bb9\u4e0e\u4e0a\u6b21\u76f8\u540c\u4e5f\u8981\u8d70\u4e00\u904d\u68c0\u67e5\u3002\u6539\u6cd5\u662f\u7f13\u5b58\u4e0a\u6b21\u503c，\u5185\u5bb9\u53d8\u5316\u624d\u66f4\u65b0：<\/p>\n

int _shownScore = int.MinValue;<\/p>\n

void RefreshScore(int score)
\n{
\n if (score == _shownScore) return; \/\/ \u5185\u5bb9\u6ca1\u53d8：\u4e0d ToString，\u4e0d\u8d4b\u503c
\n _shownScore = score;
\n _scoreText.text = score.ToString(); \/\/ \u53d8\u5316\u5e27\u624d\u627f\u62c5\u8fd9\u4e00\u6b21\u5206\u914d
\n}<\/p>\n

\u9010\u6bb5\u89e3\u8bfb\u3002\u8fd9\u4e2a\u5b88\u536b\u53ea\u6709\u4e09\u884c，\u780d\u6389\u7684\u5374\u662f"\u6bcf\u5e27\u4e00\u6b21 ToString \u52a0\u4e00\u6b21\u5c5e\u6027\u8d4b\u503c"\u7684\u56fa\u5b9a\u5f00\u9500\u3002int.MinValue\u00a0\u4f5c\u4e3a\u521d\u503c\u662f\u4e3a\u4e86\u4fdd\u8bc1\u9996\u5e27\u5fc5\u7136\u5237\u65b0，\u907f\u514d UI \u663e\u793a\u521d\u503c\u4e0e\u903b\u8f91\u503c\u5de7\u5408\u76f8\u540c\u65f6\u7684\u663e\u793a\u9519\u8bef\u3002\u5b88\u536b\u6a21\u5f0f\u5bf9\u6240\u6709\u9ad8\u9891 UI \u5b57\u6bb5\u901a\u7528：\u8840\u91cf\u3001\u5f39\u836f\u3001\u51b7\u5374\u5012\u8ba1\u65f6\u3001\u7f51\u7edc\u5ef6\u8fdf，\u90fd\u6309"\u53d8\u5316\u624d\u5199"\u6539\u9020\u3002<\/p>\n

\u5e38\u89c1\u8bef\u7528\u4e8c：\u7528\u62fc\u63a5\u66f4\u65b0\u590d\u5408\u6587\u672c\u3002hpText.text = $"{cur}\/{max} HP"\u00a0\u6bcf\u5e27\u6267\u884c\u65f6，\u63d2\u503c\u7684\u88c5\u7bb1\u4e0e\u7ed3\u679c\u4e32\u524d\u9762\u5df2\u7ecf\u7b97\u8fc7\u8d26\u3002TMP \u63d0\u4f9b\u4e86\u5e26\u53c2\u6570\u7684\u00a0SetText\u00a0\u91cd\u8f7d\u4e0e\u76f4\u63a5\u63a5\u6536\u00a0StringBuilder\u00a0\u7684\u91cd\u8f7d，\u524d\u8005\u628a\u683c\u5f0f\u5316\u6536\u8fdb TMP \u5185\u90e8，\u540e\u8005\u8ba9\u683c\u5f0f\u5316\u7ed3\u679c\u76f4\u63a5\u843d\u5728\u4f60\u590d\u7528\u7684\u7f13\u51b2\u533a\u91cc，\u8c03\u7528\u65b9\u4e0d\u518d\u4ea7\u51fa\u4e2d\u95f4\u5b57\u7b26\u4e32\u3002\u5177\u4f53\u91cd\u8f7d\u96c6\u5408\u968f TMP \u5305\u7248\u672c\u53d8\u5316，\u4ee5\u4f60\u5de5\u7a0b\u91cc\u5b9e\u9645\u7684 API \u9762\u4e3a\u51c6，\u5224\u65ad\u65b9\u6cd5\u8fd8\u662f Profiler：\u5bf9\u540c\u4e00\u5904\u66f4\u65b0\u6362\u5199\u6cd5，\u770b GC Allocated In Frame \u7684\u5dee\u503c\u3002<\/p>\n

\u5e38\u89c1\u8bef\u7528\u4e09：\u628a\u957f\u6587\u672c\u6574\u4f53\u91cd\u5efa\u3002\u804a\u5929\u8bb0\u5f55\u3001\u6218\u6597\u65e5\u5fd7\u8fd9\u7c7b\u6eda\u52a8\u6587\u672c，\u6bcf\u6765\u4e00\u6761\u65b0\u6d88\u606f\u5c31\u00a0oldText + "\\\\n" + newText，\u62fc\u63a5\u672c\u8eab O(n\u00b2)，\u62fc\u51fa\u6765\u7684\u6574\u4e32\u6bcf\u6b21\u90fd\u8981 TMP \u91cd\u65b0\u89e3\u6790\u4e0e\u91cd\u5efa\u7f51\u683c\u3002\u6b63\u8def\u662f\u6309\u884c\u7ba1\u7406：\u7528\u7f13\u51b2\u7684 StringBuilder \u751f\u6210\u672c\u6b21\u8ffd\u52a0\u7684\u5355\u884c，\u6216\u8005\u7528 TMP \u7684\u8ffd\u52a0\u63a5\u53e3\u4e0e\u5bcc\u6587\u672c\u6807\u7b7e\u5c40\u90e8\u66f4\u65b0，\u628a"\u65b0\u6d88\u606f"\u7684\u5b57\u7b26\u4e32\u6210\u672c\u63a7\u5236\u5728\u5355\u884c\u957f\u5ea6，\u800c\u4e0d\u662f\u6574\u9875\u957f\u5ea6\u3002<\/p>\n

\u5341\u3001\u91cf\u7ea7\u4f30\u7b97\u4e0e\u98ce\u9669\u5bf9\u7167\u8868<\/h3>\n

\u628a\u5168\u6587\u7684\u9677\u9631\u6536\u8fdb\u4e00\u5f20\u8868，\u6700\u53f3\u5217\u7684\u98ce\u9669\u5206\u7ea7\u4f9b\u6392\u671f\u53c2\u8003，\u6240\u6709\u5b57\u8282\u6570\u4e3a\u5178\u578b\u4f30\u7b97，\u5b9e\u6d4b\u4ee5 Profiler \u4e3a\u51c6：<\/p>\n\n\u64cd\u4f5c\u5206\u914d\u5728\u54ea\u4ea7\u751f\u5178\u578b\u4f30\u7b97\u6539\u6cd5\u98ce\u9669<\/tr>\n\n\n\n\n\n\n\n\n\n\n\n
\u5faa\u73af\u5185\u00a0s += x（100 \u9879）<\/td>\n\u6bcf\u8f6e Concat \u52a0 ToString<\/td>\n\u7ea6 200 \u4e2a\u77ed\u4e32，\u5b57\u7b26\u590d\u5236 O(n\u00b2)<\/td>\nStringBuilder \u9884\u4f30\u5bb9\u91cf<\/td>\n\u9ad8<\/td>\n<\/tr>\n
a + b + c + d（4 \u9879\u4ee5\u4e0a）<\/td>\nparams string[]\u00a0\u6570\u7ec4\u52a0\u7ed3\u679c\u4e32<\/td>\n\u6bcf\u6b21 2 \u4e2a\u5bf9\u8c61<\/td>\n\u62c6\u6210\u4e24\u6b21 3 \u9879\u5185\u62fc\u63a5\u6216\u7528 Join<\/td>\n\u4f4e<\/td>\n<\/tr>\n
$"{hp}\/{max}"（Unity \u8fd0\u884c\u65f6）<\/td>\n\u683c\u5f0f\u5316\u6570\u7ec4\u3001\u88c5\u7bb1\u3001\u7ed3\u679c\u4e32<\/td>\n\u6bcf\u6b21 2~4 \u4e2a\u5bf9\u8c61（\u793a\u4f8b\u91cf\u7ea7）<\/td>\nStringBuilder.Append \u91cd\u8f7d<\/td>\n\u4e2d<\/td>\n<\/tr>\n
string.Format\u00a0\u5e26\u503c\u7c7b\u578b\u53c2\u6570<\/td>\nobject[]\u00a0\u52a0\u88c5\u7bb1\u52a0\u7ed3\u679c\u4e32<\/td>\n\u6bcf\u6b21 4 \u4e2a\u8d77（\u793a\u4f8b\u91cf\u7ea7）<\/td>\n\u540c\u4e0a，\u6216\u6362 Concat \u52a0 ToString<\/td>\n\u4e2d<\/td>\n<\/tr>\n
\u5faa\u73af\u5185\u00a0Substring\u00a0\u5207\u5927\u4e32<\/td>\n\u65b0 string \u52a0\u6574\u6bb5\u5b57\u7b26\u590d\u5236<\/td>\n\u6bcf\u6b21\u7ea6 24B \u52a0 2\u00d7\u7a97\u53e3\u957f\u5ea6<\/td>\n\u7d22\u5f15\u5316\u6216 Span \u5207\u7247<\/td>\n\u9ad8<\/td>\n<\/tr>\n
\u6bcf\u5e27\u00a0int.ToString<\/td>\n\u77ed\u547d\u5b57\u7b26\u4e32<\/td>\n\u6bcf\u6b21\u7ea6 24~32B（\u5178\u578b\u4f30\u7b97）<\/td>\n\u7f13\u5b58\u4e0a\u6b21\u503c，\u53d8\u5316\u624d\u8f6c<\/td>\n\u4e2d<\/td>\n<\/tr>\n
\u6bcf\u5e27\u00a0sb.ToString()<\/td>\n\u7ed3\u679c\u5b57\u7b26\u4e32<\/td>\n\u6bcf\u6b21\u4e00\u4e2a\u65b0\u4e32<\/td>\n\u4ec5\u5728\u9700\u8981 string \u7684\u8fb9\u754c\u8c03\u7528<\/td>\n\u4e2d<\/td>\n<\/tr>\n
Encoding.UTF8.GetBytes\u00a0\/\u00a0GetString<\/td>\n\u65b0\u00a0byte[]\u00a0\u4e0e\u65b0 string<\/td>\n\u5404\u7ea6 2\u00d7\u81ea\u8eab\u5b57\u8282\u91cf<\/td>\n\u7f16\u7801\u8fdb\u590d\u7528\u7f13\u51b2\u533a<\/td>\n\u9ad8<\/td>\n<\/tr>\n
\u6bcf\u5e27\u00a0text = \u4efb\u610f\u65b0\u4e32<\/td>\n\u8c03\u7528\u65b9\u5b57\u7b26\u4e32\u52a0 TMP \u89e3\u6790<\/td>\n\u5b57\u7b26\u4e32\u4e00\u6b21，CPU \u6210\u672c\u53e6\u8ba1<\/td>\n\u53d8\u5316\u624d\u8d4b\u503c，\u7f13\u5b58\u4e0a\u6b21\u4e32<\/td>\n\u9ad8<\/td>\n<\/tr>\n
\u9ad8\u9891\u91cd\u590d\u679a\u4e3e\u540d<\/td>\n\u540c\u5185\u5bb9\u5b57\u7b26\u4e32\u53cd\u590d\u521b\u5efa<\/td>\n\u6bcf\u6b21\u4e00\u4e2a\u77ed\u4e32<\/td>\n\u5e94\u7528\u7ea7\u6c60\u6216 Intern<\/td>\n\u4f4e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u8868\u91cc\u98ce\u9669\u5206\u7ea7\u7684\u53e3\u5f84\u662f"\u5728\u6bcf\u5e27\u8def\u5f84\u51fa\u73b0\u65f6\u5bf9 GC \u5361\u987f\u7684\u8d21\u732e\u9884\u671f"：\u9ad8\u8868\u793a\u5355\u70b9\u5c31\u8db3\u4ee5\u63a8\u52a8 GC \u9891\u7387\u4e0a\u5347，\u4e2d\u8868\u793a\u53e0\u52a0\u540e\u53ef\u89c2，\u4f4e\u8868\u793a\u4e3b\u8981\u5728\u8d85\u9ad8\u9891\u6216\u8d85\u957f\u5b57\u7b26\u4e32\u65f6\u624d\u9700\u8981\u5904\u7406\u3002\u6392\u4f18\u5316\u987a\u5e8f\u65f6\u5148\u626b"\u9ad8"，\u518d\u770b Profiler \u91cc\u5b9e\u9645\u7684\u5206\u914d\u70ed\u70b9，\u4e0d\u8981\u6309\u4ee3\u7801\u884c\u6570\u5e73\u5747\u7528\u529b\u3002<\/p>\n

\u5341\u4e00\u3001\u5e38\u89c1\u8bef\u533a\u4e0e\u53cd\u6a21\u5f0f<\/h3>\n

\u8bef\u533a\u4e00：\u5b57\u7b26\u4e32\u5206\u914d\u5c0f，\u5355\u4e2a\u4e0d\u5fc3\u75bc，\u6240\u4ee5\u5148\u4e0d\u7ba1\u3002
\n\u9519\u8bef\u505a\u6cd5\u662f\u770b\u5230 Profiler \u91cc\u6bcf\u6b21\u53ea\u6709\u4e8c\u4e09\u5341\u5b57\u8282\u7684\u5b57\u7b26\u4e32\u5c31\u8df3\u8fc7，\u53ea\u8ffd\u5927\u5bf9\u8c61\u3002\u4e3a\u4ec0\u4e48\u9519：GC \u7684\u89e6\u53d1\u770b\u7684\u662f\u5206\u914d\u901f\u7387\u7684\u7d2f\u79ef，\u4e0d\u662f\u5355\u6b21\u5927\u5c0f\u3002\u6bcf\u5e27 300 \u6b21\u4e8c\u5341\u51e0\u5b57\u8282\u7684\u5b57\u7b26\u4e32\u5206\u914d，\u4e00\u79d2\u949f\u5c31\u662f\u4e0a\u4e07\u6b21，Boehm \u4e0d\u5206\u4ee3，\u8fd9\u4e9b\u5783\u573e\u6bcf\u4e00\u6b21\u90fd\u8981\u53c2\u4e0e\u540e\u7eed\u7684\u5168\u5806\u6807\u8bb0\u4e0e\u6e05\u626b\u3002\u6b63\u786e\u505a\u6cd5\u662f\u5148\u6309"\u6bcf\u5e27\u5b57\u8282\u603b\u91cf"\u770b\u5b57\u7b26\u4e32\u7c7b\u5206\u914d\u7684\u5360\u6bd4，\u5360\u6bd4\u8fdb\u5165\u524d\u4e09\u518d\u52a8\u624b，\u4f46\u52a8\u8d77\u624b\u6765\u5c31\u8981\u6309\u672c\u6587\u6e05\u5355\u9010\u6761\u6e05\u3002<\/p>\n

\u8bef\u533a\u4e8c：StringBuilder \u662f\u4e07\u7075\u836f，\u6240\u6709\u62fc\u63a5\u90fd\u6362\u6210\u5b83\u3002
\n\u9519\u8bef\u505a\u6cd5\u662f\u628a\u4e00\u6b21\u6027\u7684\u4e24\u6bb5\u62fc\u63a5\u4e5f\u6539\u5199\u6210 new \u52a0 Append \u52a0 ToString\u3002\u4e3a\u4ec0\u4e48\u9519：StringBuilder \u5bf9\u8c61\u52a0\u7f13\u51b2\u533a\u6570\u7ec4\u672c\u8eab\u4e5f\u662f\u5206\u914d，\u5355\u6b21\u4e24\u4e09\u6bb5\u7684\u62fc\u63a5\u7528\u00a0+\u00a0\u53ea\u4ea7\u751f\u4e00\u4e2a\u7ed3\u679c\u4e32，\u6362\u5de5\u5177\u53cd\u800c\u591a\u4ed8\u4e00\u4e2a\u4e2d\u95f4\u5bf9\u8c61\u3002\u6b63\u786e\u505a\u6cd5\u662f\u770b\u9891\u7387\u548c\u62fc\u63a5\u6bb5\u6570：\u5faa\u73af\u91cc\u3001\u591a\u6b21\u62fc\u63a5\u3001\u5bb9\u91cf\u53ef\u9884\u4f30\u7684\u573a\u666f\u4e0a StringBuilder；\u4e00\u6b21\u6027\u4f4e\u9891\u62fc\u63a5\u4fdd\u7559\u00a0+\u00a0\u6216\u00a0$""，\u628a\u7cbe\u529b\u632a\u53bb\u66f4\u9ad8\u6536\u76ca\u7684\u5206\u914d\u70b9\u3002<\/p>\n

\u8bef\u533a\u4e09：\u5b57\u7b26\u4e32\u6c60\u5316\u80fd\u7701\u5206\u914d，\u90a3\u5c31\u628a\u6240\u6709\u5b57\u7b26\u4e32\u90fd\u8fdb\u6c60\u3002
\n\u9519\u8bef\u505a\u6cd5\u662f\u628a\u804a\u5929\u5185\u5bb9\u3001\u73a9\u5bb6\u8f93\u5165\u3001\u52a8\u6001\u8def\u5f84\u5168\u90e8 Intern \u6216\u5165\u6c60\u3002\u4e3a\u4ec0\u4e48\u9519：\u6c60\u662f\u5e38\u9a7b\u5185\u5b58，\u65e0\u754c\u5185\u5bb9\u5165\u6c60\u7b49\u4e8e\u628a\u672c\u53ef\u56de\u6536\u7684\u5783\u573e\u53d8\u6210\u6c38\u4e45\u5c45\u6c11，\u5806\u6c34\u4f4d\u53ea\u5347\u4e0d\u964d，\u4f4e\u7aef\u673a\u4e0a\u8868\u73b0\u4e3a\u5185\u5b58\u6301\u7eed\u4e0a\u6da8\u76f4\u81f3\u8fdb\u7a0b\u88ab\u6740\u3002\u6b63\u786e\u505a\u6cd5\u662f\u53ea\u6c60\u5316\u5c01\u95ed\u96c6\u5408，\u7ed9\u6c60\u914d\u6e05\u7406\u65f6\u673a（\u5173\u5361\u5378\u8f7d\u3001\u4f1a\u8bdd\u7ed3\u675f），\u5e76\u628a\u6c60\u7684\u5bb9\u91cf\u7eb3\u5165\u5185\u5b58\u9884\u7b97\u76d1\u63a7\u3002<\/p>\n

\u8bef\u533a\u56db：Editor \u91cc\u770b\u5230 0 B \u5206\u914d\u5c31\u8bf4\u660e\u6539\u5bf9\u4e86\u3002
\n\u9519\u8bef\u505a\u6cd5\u662f\u5728 Editor \u7684 Profiler \u91cc\u626b\u4e00\u773c\u6ca1\u6709 GC.Alloc \u5c31\u5ba3\u5e03\u5b8c\u5de5\u3002\u4e3a\u4ec0\u4e48\u9519：Editor \u4e0e\u771f\u673a\u7684\u811a\u672c\u540e\u7aef\u3001\u5b57\u7b26\u4e32\u5b9e\u73b0\u7ec6\u8282\u3001UI \u6e32\u67d3\u8def\u5f84\u90fd\u4e0d\u540c，Editor \u7684\u5206\u914d\u6570\u53ea\u80fd\u8bc1\u660e\u8def\u5f84\u8d70\u5230\u4e86，\u4e0d\u80fd\u8bc1\u660e\u771f\u673a\u8fbe\u6807\u3002\u6b63\u786e\u505a\u6cd5\u662f Development Build \u8fde\u771f\u673a，\u6539\u524d\u540e\u5404\u91c7\u4e00\u6bb5 GC Allocated In Frame \u5e8f\u5217\u505a\u5bf9\u6bd4\u3002<\/p>\n

\u5341\u4e8c\u3001\u5de5\u7a0b\u5b9e\u8df5\u51b3\u7b56\u6e05\u5355<\/h3>\n

\u628a\u53ef\u6267\u884c\u7684\u52a8\u4f5c\u6309\u5b9e\u65bd\u987a\u5e8f\u5217\u51fa\u6765，\u6bcf\u6761\u90fd\u80fd\u76f4\u63a5\u8fdb\u4f60\u4eec\u56e2\u961f\u7684\u4f18\u5316\u6392\u671f：<\/p>\n

  • \u6253\u5f00 Profiler，\u6309 GC Allocated In Frame \u5b9a\u4f4d\u5b57\u7b26\u4e32\u7c7b\u5206\u914d\u5360\u6bd4\u9ad8\u7684\u8c03\u7528\u6808，\u5148\u6293\u6bcf\u5e27\u8def\u5f84\u4e0a\u7684，\u518d\u6293\u4e8b\u4ef6\u8def\u5f84\u4e0a\u7684\u3002<\/li>\n
  • \u5168\u5c40\u641c\u5faa\u73af\u5185\u7684\u00a0+=\u00a0\u5b57\u7b26\u4e32\u62fc\u63a5\u4e0e\u5faa\u73af\u5185\u00a0Substring，\u8fd9\u4e24\u7c7b\u6536\u76ca\u6700\u76f4\u63a5，\u6309\u7b2c\u4e09\u8282\u548c\u7b2c\u56db\u8282\u7684\u6539\u6cd5\u6e05\u96f6\u3002<\/li>\n
  • \u628a\u70ed\u8def\u5f84\u4e0a\u7684\u00a0string.Format\u00a0\u4e0e\u5e26\u503c\u7c7b\u578b\u53c2\u6570\u7684\u63d2\u503c\u9010\u4e2a\u6362\u6210 StringBuilder \u7684 Append \u91cd\u8f7d，\u987a\u624b\u780d\u6389\u88c5\u7bb1\u3002<\/li>\n
  • \u7ed9\u6240\u6709\u6bcf\u5e27\u8d4b\u503c\u7684 UI \u6587\u672c\u52a0"\u53d8\u5316\u624d\u5199"\u5b88\u536b，\u590d\u5408\u6587\u672c\u6539\u7528 SetText \u53c2\u6570\u91cd\u8f7d\u6216 StringBuilder \u91cd\u8f7d\u3002<\/li>\n
  • \u68c0\u67e5\u5b58\u6863\u3001\u7f51\u7edc\u3001\u539f\u751f\u4ea4\u4e92\u8def\u5f84\u4e0a\u7684 GetBytes \u4e0e GetString，\u786e\u8ba4\u7f13\u51b2\u533a\u662f\u590d\u7528\u7684\u3002<\/li>\n
  • \u4e3a\u679a\u4e3e\u540d\u3001\u914d\u7f6e\u952e\u8fd9\u7c7b\u5c01\u95ed\u5b57\u7b26\u4e32\u96c6\u5408\u8bc4\u4f30\u5e94\u7528\u7ea7\u6c60，\u914d\u597d\u6e05\u7406\u65f6\u673a，\u628a\u6c60\u5927\u5c0f\u7eb3\u5165\u5185\u5b58\u76d1\u63a7\u3002<\/li>\n
  • \u590d\u67e5\u56e2\u961f\u89c4\u8303：StringBuilder \u5fc5\u987b\u5b57\u6bb5\u6301\u6709\u3001Clear \u590d\u7528；\u65e5\u5fd7\u62fc\u63a5\u5fc5\u987b\u5728\u5f00\u5173\u5224\u65ad\u4e4b\u540e；\u7981\u6b62\u5728\u5c5e\u6027 getter \u91cc\u505a\u62fc\u63a5\u3002<\/li>\n
  • \u5168\u90e8\u6539\u5b8c\u540e\u8fde\u771f\u673a\u590d\u6d4b，\u8bb0\u5f55\u6539\u524d\u6539\u540e\u7684\u6bcf\u5e27\u5206\u914d\u91cf\u3001GC \u6b21\u6570\u4e0e P99 \u5e27\u65f6\u95f4\u3002<\/li>\n

    \u7b2c 7 \u6761\u6700\u5bb9\u6613\u88ab\u8df3\u8fc7\u4e5f\u6700\u503c\u5f97\u575a\u6301：\u5b57\u7b26\u4e32\u5206\u914d\u70b9\u6563\u3001\u5f62\u6001\u6742，\u4e00\u8f6e\u4e13\u9879\u6e05\u7406\u6321\u4e0d\u4f4f\u56de\u6f6e，\u786c\u89c4\u5219\u8fdb Code Review \u6e05\u5355\u6bd4\u4e00\u6b21\u6027\u91cd\u6784\u7ba1\u7528\u3002<\/p>\n

    \u5341\u4e09\u3001\u4e0e\u76f8\u5173\u7ae0\u8282\u7684\u5173\u7cfb<\/h3>\n

    \u672c\u6587\u4e13\u6ce8\u5b57\u7b26\u4e32\u4e0e\u6587\u672c\u8fd9\u4e00\u6761\u7ebf，\u5728\u5168\u4e13\u680f\u91cc\u7684\u4f4d\u7f6e\u5982\u4e0b，\u76f8\u5173\u673a\u5236\u4e0d\u91cd\u590d\u5c55\u5f00，\u6309\u9700\u8df3\u8f6c：<\/p>\n\n\u4e3b\u9898\u672c\u6587\u8986\u76d6\u66f4\u6df1\u7684\u5185\u5bb9\u5728<\/tr>\n\n\n\n\n\n\n\n
    \u4e0d\u53ef\u53d8\u6027\u4e0e\u62fc\u63a5\u5206\u914d<\/td>\n\u7b2c\u4e8c\u3001\u4e09\u8282<\/td>\n\u65e0\u9700\u5916\u8df3<\/td>\n<\/tr>\n
    \u95ed\u5305\u4e0e\u533f\u540d\u51fd\u6570\u7684\u5806\u5206\u914d<\/td>\n\u4ec5\u5728 lambda \u6355\u83b7\u5b57\u7b26\u4e32\u53d8\u91cf\u5904\u8f7b\u63d0<\/td>\n08-03 \u95ed\u5305\u4e0e\u533f\u540d\u51fd\u6570<\/td>\n<\/tr>\n
    \u88c5\u7bb1\u5982\u4f55\u53e0\u52a0\u8fdb ToString \u4e0e Format<\/td>\n\u7b2c\u4e94\u8282\u8bb2\u73b0\u8c61\u4e0e\u6539\u6cd5<\/td>\n08-04 \u88c5\u7bb1\u4e0e\u53cd\u5c04<\/td>\n<\/tr>\n
    Span \u4e0e\u96f6\u5206\u914d\u6587\u672c\u5904\u7406<\/td>\n\u7b2c\u56db\u3001\u516b\u8282\u7ed9\u65b9\u5411<\/td>\n08-07 Span \u4e0e\u96f6\u5206\u914d\u7f16\u7a0b<\/td>\n<\/tr>\n
    Unity \u5404 API \u7684\u5206\u914d\u6e05\u5355<\/td>\n\u7b2c\u4e5d\u8282\u53ea\u8c08 TMP<\/td>\n08-08 Unity API \u7684 GC \u9677\u9631\u6e05\u5355<\/td>\n<\/tr>\n
    GC \u4e3a\u4ec0\u4e48\u5bf9\u5c0f\u5206\u914d\u654f\u611f\u3001\u589e\u91cf GC \u4e0e\u788e\u7247<\/td>\n\u7b2c\u4e8c\u8282\u63d0\u7ed3\u8bba<\/td>\n03 \u67b6\u6784\u7bc7\u300106 \u6536\u96c6\u5668\u7bc7<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    \u8fd9\u6837\u5206\u5de5\u7684\u539f\u56e0\u4e00\u53e5\u8bdd\u5e26\u8fc7：\u5b57\u7b26\u4e32\u95ee\u9898\u7684\u6839\u5b50\u5728\u5206\u914d\u6a21\u5f0f，\u5206\u914d\u51fa\u53bb\u4e4b\u540e GC \u600e\u4e48\u5904\u7406\u5f52\u6536\u96c6\u5668\u90a3\u51e0\u7bc7\u8bb2，\u6392\u67e5\u65f6\u4e24\u4ef6\u4e8b\u4e32\u8d77\u6765\u770b，\u5199\u4f5c\u65f6\u62c6\u5f00\u5199\u3002<\/p>\n

    \u672c\u7ae0\u603b\u7ed3<\/h3>\n

    \u6536\u62e2\u5168\u6587\u7684\u8981\u70b9，\u6309\u91cd\u8981\u5ea6\u6392：<\/p>\n

  • \u5b57\u7b26\u4e32\u7684\u4e0d\u53ef\u53d8\u6027\u51b3\u5b9a\u4e86\u6bcf\u6b21"\u4fee\u6539"\u90fd\u662f\u5b8c\u6574\u7684\u5206\u914d\u52a0\u590d\u5236，\u70ed\u8def\u5f84\u4e0a\u7684\u5b57\u7b26\u4e32\u95ee\u9898\u672c\u8d28\u662f\u5206\u914d\u901f\u7387\u95ee\u9898\u3002<\/li>\n
  • \u62fc\u63a5\u7684\u8d26\u8981\u6309\u964d\u7ea7\u7ed3\u679c\u7b97：\u4e09\u9879\u4ee5\u5185\u662f\u5355\u6b21 Concat，\u56db\u9879\u4ee5\u4e0a\u591a\u4e00\u4e2a\u53c2\u6570\u6570\u7ec4，Unity \u8fd0\u884c\u65f6\u7684\u63d2\u503c\u5b57\u7b26\u4e32\u63a5\u8fd1 Format，\u5e26\u503c\u7c7b\u578b\u5c31\u53e0\u52a0\u88c5\u7bb1\u3002<\/li>\n
  • Substring \u590d\u5236\u7a97\u53e3\u5b57\u7b26，\u5207\u5c0f\u53d6\u5927\u65f6\u6d6a\u8d39\u6700\u660e\u663e，\u7d22\u5f15\u5316\u4e0e Span \u662f\u6839\u6cbb\u65b9\u5411\u3002<\/li>\n
  • StringBuilder \u628a\u8fc7\u7a0b\u5206\u914d\u6d88\u5230\u53ea\u5269\u7ed3\u679c\u4e32，\u590d\u7528\u9760\u5b57\u6bb5\u6301\u6709\u52a0 Clear，\u5bb9\u91cf\u9884\u4f30\u51b3\u5b9a\u5b83\u662f\u5426\u771f\u96f6\u6269\u5bb9\u3002<\/li>\n
  • \u6c60\u5316\u53ea\u670d\u52a1\u5c01\u95ed\u5b57\u7b26\u4e32\u96c6\u5408，Intern \u53ea\u8fdb\u4e0d\u51fa，\u5e94\u7528\u7ea7\u6c60\u8981\u914d\u6e05\u7406，\u65e0\u754c\u5185\u5bb9\u6c38\u4e0d\u5165\u6c60\u3002<\/li>\n
  • \u7f16\u7801\u8f6c\u6362\u4e0e TMP \u8d4b\u503c\u662f\u4e24\u7c7b\u5bb9\u6613\u6f0f\u8d26\u7684\u5206\u914d，\u7f13\u51b2\u533a\u590d\u7528\u548c\u53d8\u5316\u624d\u5199\u662f\u5bf9\u5e94\u7684\u4e24\u628a\u94a5\u5319\u3002<\/li>\n

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