{"id":91966,"date":"2026-08-08T21:08:45","date_gmt":"2026-08-08T13:08:45","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/91966.html"},"modified":"2026-08-08T21:08:45","modified_gmt":"2026-08-08T13:08:45","slug":"c-%e9%9b%b6%e5%9f%ba%e7%a1%80%e5%ad%a6%e4%b9%a0-day02%ef%bd%9c%e5%9f%ba%e7%a1%80%e6%a6%82%e5%bf%b5%e6%a2%b3%e7%90%86-%e6%80%9d%e7%bb%b4%e5%af%bc%e5%9b%be%e6%80%bb%e7%bb%93","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/91966.html","title":{"rendered":"C# \u96f6\u57fa\u7840\u5b66\u4e60 Day02\uff5c\u57fa\u7840\u6982\u5ff5\u68b3\u7406 + \u601d\u7ef4\u5bfc\u56fe\u603b\u7ed3"},"content":{"rendered":"

1.java \u548c C#\u90fd\u5c5e\u4e8e\u5f3a\u7c7b\u578b\u5e94\u7528\u6570\u636e\u7c7b\u578b<\/p>\n

2.\u53d8\u91cf: \u50a8\u5b58\u6570\u636e\u7c7b\u578b\u7684\u5bb9\u5668,\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u652f\u6301\u7684\u64cd\u4f5c\u4e0d\u540c，\u6307\u5b9a\u8be5\u6570\u636e\u7c7b\u578b\u4e4b\u540e，\u53ea\u80fd\u50a8\u5b58\u8be5\u6570\u636e\u7c7b\u578b，\u89c4\u5b9a\u4e86\u80fd\u8fdb\u884c\u7684\u64cd\u4f5c
\n\u6570\u636e\u7c7b\u578b\u5206 \u503c\u7c7b\u578b\u548c\u5f15\u7528\u6570\u636e\u7c7b\u578b
\n\u503c\u7c7b\u578b:
\n\u6574\u6570\u7c7b\u578b<\/p>\n\n\u7c7b\u578b\u63cf\u8ff0\u8303\u56f4\u5927\u5c0f\u9ed8\u8ba4\u503c<\/tr>\n\n\n\n\n\n\n\n\n\n
sbyte<\/td>\n8 \u4f4d\u6709\u7b26\u53f7\u6574\u6570\u7c7b\u578b<\/td>\n-128 \u5230 127<\/td>\n8 \u4f4d (1 \u5b57\u8282)<\/td>\n0<\/td>\n<\/tr>\n
byte<\/td>\n8 \u4f4d\u65e0\u7b26\u53f7\u6574\u6570<\/td>\n0 \u5230 255<\/td>\n8 \u4f4d (1 \u5b57\u8282)<\/td>\n0<\/td>\n<\/tr>\n
short<\/td>\n16 \u4f4d\u6709\u7b26\u53f7\u6574\u6570\u7c7b\u578b<\/td>\n-32,768 \u5230 32,767<\/td>\n16 \u4f4d (2 \u5b57\u8282)<\/td>\n0<\/td>\n<\/tr>\n
ushort<\/td>\n16 \u4f4d\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b<\/td>\n0 \u5230 65,535<\/td>\n16 \u4f4d(2 \u5b57\u8282)<\/td>\n0<\/td>\n<\/tr>\n
int<\/td>\n32 \u4f4d\u6709\u7b26\u53f7\u6574\u6570\u7c7b\u578b<\/td>\n-2,147,483,648 \u5230 2,147,483,647<\/td>\n32 \u4f4d(4 \u5b57\u8282)<\/td>\n0<\/td>\n<\/tr>\n
uint<\/td>\n32 \u4f4d\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b<\/td>\n0 \u5230 4,294,967,295<\/td>\n32 \u4f4d(4 \u5b57\u8282)<\/td>\n0<\/td>\n<\/tr>\n
long<\/td>\n64 \u4f4d\u6709\u7b26\u53f7\u6574\u6570\u7c7b\u578b<\/td>\n-9,223,372,036,854,775,808 \u5230 9,223,372,036,854,775,807<\/td>\n64 \u4f4d(8 \u5b57\u8282)<\/td>\n0L<\/td>\n<\/tr>\n
ulong<\/td>\n64 \u4f4d\u65e0\u7b26\u53f7\u6574\u6570\u7c7b\u578b<\/td>\n0 \u5230 18,446,744,073,709,551,615<\/td>\n64 \u4f4d(8 \u5b57\u8282)<\/td>\n0<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u6d6e\u70b9\u7c7b\u578b<\/p>\n\n\u7c7b\u578b\u63cf\u8ff0\u8303\u56f4\u5927\u5c0f\u9ed8\u8ba4\u503c<\/tr>\n\n\n\n\n
float<\/td>\n\u5355\u7cbe\u5ea6\u6d6e\u70b9\u578b<\/td>\n\u00b11.5 x 10^\u221245 \u81f3 \u00b13.4 x 10^38（\u7ea6 6-9 \u4f4d\u6570\u5b57）<\/td>\n32 \u4f4d (4 \u5b57\u8282)<\/td>\n0.0F<\/td>\n<\/tr>\n
double<\/td>\n\u53cc\u7cbe\u5ea6\u6d6e\u70b9\u578b<\/td>\n\u00b15.0 \u00d7 10^\u2212324 \u5230 \u00b11.7 \u00d7 10^308（\u7ea6 15-17 \u4f4d\u6570\u5b57）<\/td>\n64 \u4f4d (8 \u5b57\u8282)<\/td>\n0.0D<\/td>\n<\/tr>\n
decimal<\/td>\n\u7cbe\u786e\u7684\u5341\u8fdb\u5236\u503c，\u5177\u6709 28~29 \u4e2a\u6709\u6548\u4f4d\u6570<\/td>\n\u00b11.0 x 10-28 \u81f3 \u00b17.9228 x 1028（28-29 \u4f4d）<\/td>\n128 \u4f4d (16 \u5b57\u8282)<\/td>\n0.0M<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5e03\u5c14\u7c7b\u578b<\/p>\n\n\u7c7b\u578b\u63cf\u8ff0\u8303\u56f4\u5927\u5c0f\u9ed8\u8ba4\u503c<\/tr>\n\n\n
bool<\/td>\n\u5e03\u5c14\u503c<\/td>\nTrue \u6216 False<\/td>\n8 \u4f4d (1 \u5b57\u8282)<\/td>\nFalse<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5b57\u7b26\u7c7b\u578b<\/p>\n\n\u7c7b\u578b\u63cf\u8ff0\u8303\u56f4\u5927\u5c0f\u9ed8\u8ba4\u503c<\/tr>\n\n\n
char<\/td>\nUnicode \u5b57\u7b26<\/td>\nU +0000 \u5230 U +ffff<\/td>\n16 \u4f4d (2 \u5b57\u8282)<\/td>\n\u2018\\\\0\u2019<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u5f15\u7528\u7c7b\u578b<\/p>\n

  • \u5b57\u7b26\u4e32\u7c7b\u578b（String）2. \u7b49\u7b49<\/li>\n

    3 .\u53d8\u91cf\u540d\u547d\u540d\u89c4\u5219
    \n\u4e0d\u80fd\u662fC#\u4e2d\u7684\u5173\u952e\u5b57
    \n\u7531\u6570\u5b57，_ ，@,\u5b57\u6bcd\u7ec4\u6210，\u4e0d\u80fd\u4ee5\u6570\u5b57\u5f00\u5934，\u4e0d\u80fd\u5305\u62ec（#，￥$ \u7b49\u7279\u6b8a\u7b26\u53f7）
    \n\u4f7f\u7528\u5c0f\u9a7c\u5cf0\u547d\u540d\u6cd5，\u5373\u7b2c\u4e00\u4e2a\u5355\u8bcd\u9996\u5b57\u6bcd\u5c0f\u5199，\u5176\u4f59\u5355\u8bcd\u9996\u5b57\u6bcd\u5927\u5199
    \n\u8981\u6c42\u89c1\u540d\u77e5\u610f<\/p>\n

    \u5b9a\u4e49\u53d8\u91cf\u7684\u65b9\u6cd5:
    \n\u5148\u58f0\u660e，\u540e\u8d4b\u503c
    \n\u58f0\u660e\u7684\u540c\u65f6\u5e76\u8d4b\u503c<\/p>\n

    4.\u7b97\u6570\u8fd0\u7b97\u7b26
    \n\u5047\u8bbe\u53d8\u91cf A \u7684\u503c\u4e3a 10，\u53d8\u91cf B \u7684\u503c\u4e3a 20，\u5219：<\/p>\n\n\u8fd0\u7b97\u7b26\u63cf\u8ff0\u5b9e\u4f8b<\/tr>\n\n\n\n\n\n\n\n\n
    +<\/td>\n\u628a\u4e24\u4e2a\u64cd\u4f5c\u6570\u76f8\u52a0<\/td>\nA + B \u5c06\u5f97\u5230 30<\/td>\n<\/tr>\n
    –<\/td>\n\u4ece\u7b2c\u4e00\u4e2a\u64cd\u4f5c\u6570\u4e2d\u51cf\u53bb\u7b2c\u4e8c\u4e2a\u64cd\u4f5c\u6570<\/td>\nA – B \u5c06\u5f97\u5230 -10<\/td>\n<\/tr>\n
    *<\/td>\n\u628a\u4e24\u4e2a\u64cd\u4f5c\u6570\u76f8\u4e58<\/td>\nA * B \u5c06\u5f97\u5230 200<\/td>\n<\/tr>\n
    \/<\/td>\n\u5206\u5b50\u9664\u4ee5\u5206\u6bcd<\/td>\nB \/ A \u5c06\u5f97\u5230 2<\/td>\n<\/tr>\n
    %<\/td>\n\u53d6\u6a21\u8fd0\u7b97\u7b26，\u6574\u9664\u540e\u7684\u4f59\u6570<\/td>\nB % A \u5c06\u5f97\u5230 0<\/td>\n<\/tr>\n
    ++<\/td>\n\u81ea\u589e\u8fd0\u7b97\u7b26，\u6574\u6570\u503c\u589e\u52a0 1<\/td>\nA++ \u5c06\u5f97\u5230 11<\/td>\n<\/tr>\n
    \u2013<\/td>\n\u81ea\u51cf\u8fd0\u7b97\u7b26，\u6574\u6570\u503c\u51cf\u5c11 1<\/td>\nA– \u5c06\u5f97\u5230 9<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n
  • \u8d4b\u503c\u8fd0\u7b97\u7b26<\/li>\n\n\u8fd0\u7b97\u7b26\u63cf\u8ff0\u5b9e\u4f8b<\/tr>\n\n\n\n\n\n\n\n
    =<\/td>\n\u7b80\u5355\u7684\u8d4b\u503c\u8fd0\u7b97\u7b26，\u628a\u53f3\u8fb9\u64cd\u4f5c\u6570\u7684\u503c\u8d4b\u7ed9\u5de6\u8fb9\u64cd\u4f5c\u6570<\/td>\nC = A + B \u5c06\u628a A + B \u7684\u503c\u8d4b\u7ed9 C<\/td>\n<\/tr>\n
    +=<\/td>\n\u52a0\u4e14\u8d4b\u503c\u8fd0\u7b97\u7b26，\u628a\u53f3\u8fb9\u64cd\u4f5c\u6570\u52a0\u4e0a\u5de6\u8fb9\u64cd\u4f5c\u6570\u7684\u7ed3\u679c\u8d4b\u503c\u7ed9\u5de6\u8fb9\u64cd\u4f5c\u6570<\/td>\nC += A \u76f8\u5f53\u4e8e C = C + A<\/td>\n<\/tr>\n
    -=<\/td>\n\u51cf\u4e14\u8d4b\u503c\u8fd0\u7b97\u7b26，\u628a\u5de6\u8fb9\u64cd\u4f5c\u6570\u51cf\u53bb\u53f3\u8fb9\u64cd\u4f5c\u6570\u7684\u7ed3\u679c\u8d4b\u503c\u7ed9\u5de6\u8fb9\u64cd\u4f5c\u6570<\/td>\nC -= A \u76f8\u5f53\u4e8e C = C – A<\/td>\n<\/tr>\n
    *=<\/td>\n\u4e58\u4e14\u8d4b\u503c\u8fd0\u7b97\u7b26，\u628a\u53f3\u8fb9\u64cd\u4f5c\u6570\u4e58\u4ee5\u5de6\u8fb9\u64cd\u4f5c\u6570\u7684\u7ed3\u679c\u8d4b\u503c\u7ed9\u5de6\u8fb9\u64cd\u4f5c\u6570<\/td>\nC *= A \u76f8\u5f53\u4e8e C = C * A<\/td>\n<\/tr>\n
    \/=<\/td>\n\u9664\u4e14\u8d4b\u503c\u8fd0\u7b97\u7b26，\u628a\u5de6\u8fb9\u64cd\u4f5c\u6570\u9664\u4ee5\u53f3\u8fb9\u64cd\u4f5c\u6570\u7684\u7ed3\u679c\u8d4b\u503c\u7ed9\u5de6\u8fb9\u64cd\u4f5c\u6570<\/td>\nC \/= A \u76f8\u5f53\u4e8e C = C \/ A<\/td>\n<\/tr>\n
    %=<\/td>\n\u6c42\u6a21\u4e14\u8d4b\u503c\u8fd0\u7b97\u7b26，\u6c42\u4e24\u4e2a\u64cd\u4f5c\u6570\u7684\u6a21\u8d4b\u503c\u7ed9\u5de6\u8fb9\u64cd\u4f5c\u6570<\/td>\nC %= A \u76f8\u5f53\u4e8e C = C % A<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    5.\u8ba1\u7b97\u673a\u4e2d\u7684\u50a8\u5b58\u5355\u4f4d
    \n\u5206\u4e3a\u5b57\u8282（Byte）：\u5b57\u8282\u662f\u8ba1\u7b97\u673a\u5b58\u50a8\u5bb9\u91cf\u7684\u57fa\u672c\u5355\u4f4d\u4e4b\u4e00，\u901a\u5e38\u7528\u6765\u8868\u793a\u6570\u636e\u7684\u5927\u5c0f\u6216\u5b58\u50a8\u7a7a\u95f4\u7684\u5927\u5c0f\u3002
    \n\u5343\u5b57\u8282（KB）:1KB\u7b49\u4e8e1024\u5b57\u8282\u3002
    \n\u5146\u5b57\u8282（MB）:1MB\u7b49\u4e8e1024KB，\u6216\u80051048576\u5b57\u8282<\/p>\n

    6.\u8fdb\u5236\u6570
    \n\u8fdb\u5236\u6570\u5373\u6ee1\u51e0\u8fdb\u4e00,\u5206\u4e8c\u8fdb\u5236,\u516b\u8fdb\u5236,\u5341\u8fdb\u5236,\u5341\u516d\u8fdb\u5236
    \n\u4e8c\u8fdb\u5236\u662f\u8ba1\u7b97\u673a\u552f\u4e00\u80fd\u8bc6\u522b\u7684\u8bed\u8a00<\/p>\n

    7.\u673a\u5668\u6570,\u539f\u7801,\u53cd\u7801,\u8865\u7801
    \n\u673a\u5668\u6570:\u5c06\u7b26\u53f7\u6570\u5b57\u5316\u7684\u6570（\u6570\u5b57\u8868\u793a\u7b26\u53f7），\u662f\u6570\u5b57\u5728\u8ba1\u7b97\u673a\u4e2d\u7684\u4e8c\u8fdb\u5236\u8868\u793a\u5f62\u5f0f
    \n\u539f\u7801:\u5341\u8fdb\u5236\u6570\u5b57\u7684\u4e8c\u8fdb\u5236\u8868\u73b0\u5f62\u5f0f，\u539f\u7801\u6700\u5de6\u8fb9\u7684\u4e00\u4e2a\u6570\u5b57\u5c31\u662f\u7b26\u53f7\u4f4d，0\u4e3a\u6b63，1\u4e3a\u8d1f\u3002
    \n\u53cd\u7801:\u6b63\u6570\u7684\u53cd\u7801\u662f\u5176\u672c\u8eab（\u7b49\u4e8e\u539f\u7801），\u8d1f\u6570\u7684\u53cd\u7801\u662f\u7b26\u53f7\u4f4d\u4fdd\u6301\u4e0d\u53d8，\u5176\u4f59\u4f4d\u53d6\u53cd（ 1 \u53d8\u6210 0 ， 0 \u53d8\u4e3a 1 ）\u3002
    \n\u8865\u7801:\u8ba1\u7b97\u673a\u5e95\u5c42\u4f7f\u7528\u4e8c\u8fdb\u5236\u5f62\u5f0f\u7684\u8865\u7801\u6765\u8ba1\u7b97\u548c\u5b58\u50a8\u6570\u636e\u3002
    \n\u6b63\u6570\u7684\u8865\u7801\u662f\u5176\u672c\u8eab，\u8d1f\u6570\u7684\u8865\u7801\u7b49\u4e8e\u5176\u53cd\u7801 +1\u3002<\/p>\n

    8.\u5b57\u7b26\u4e32\u7c7b\u578b
    \nstring \u522b\u540d String,\u4e24\u79cd\u64cd\u4f5c:\u62fc\u63a5\u548c\u63d2\u503c
    \n\u62fc\u63a5\u5b57\u7b26\u4e32\u76f4\u63a5\u7528+\u8fde\u63a5\u5373\u53ef
    \n\u63d2\u503c\u53ef\u4ee5\u9009\u62e9\u4f7f\u7528{}+\u6570\u5b57(\u4ece0\u5f00\u59cb)\u6216\u8005\u4f7f\u7528$+{};<\/p>\n

    9.\u63a5\u53d7\u63a7\u5236\u53f0\u8f93\u5165
    \nConsole.ReadLine();\u63a5\u53d7\u8f93\u5165\u7684\u6570\u636e,\u4ee5\u5b57\u7b26\u4e32\u5f62\u5f0f\u8fd4\u56de
    \nConsole.Read();\u63a5\u6536\u4e00\u4e2a\u5b57\u7b26<\/p>\n

    10.\u8f6c\u4e49\u5b57\u7b26
    \n\u683c\u5f0f \\\\ + \u9700\u8981\u8f6c\u4e49\u7684\u5b57\u7b26
    \n\u5c06\u666e\u901a\u5b57\u7b26\u8f6c\u5316\u4f4d\u5177\u6709\u7279\u6b8a\u542b\u4e49\u7684\u5b57\u7b26
    \n\\\\n:\u6362\u884c\u7b26
    \n\\\\t:\u5236\u8868\u7b26
    \n\u5c06\u7279\u6b8a\u542b\u4e49\u7684\u5b57\u7b26\u8f6c\u5316\u4e3a\u666e\u901a\u5b57\u7b26
    \n\u5982",\u6700\u540e\u8f93\u51fa "
    \n\u7279\u6b8a\u7684\u8f6c\u79fb\u7b26:
    \n1.\u5ffd\u7565\u8f6c\u4e49\u5b57\u7b26,\u4e0d\u9700\u8981\u5bf9\\\\\u8fdb\u884c\u8f6c\u4e49.
    \n\u4e0d\u9700\u8981\u5bf9"\u201c\u8fdb\u884c\u8f6c\u4e49\u3002\u5185\u5bb9\u5fc5\u987b\u4f7f\u7528\u201d\u201c\u201d"\u4fee\u9970
    \n2.\u5b57\u7b26\u4e32\u8de8\u884c
    \n3.\u4f7f\u7528\u5173\u952e\u5b57\u4f5c\u4e3a\u53d8\u91cf\u540d\u65f6，\u53ef\u4ee5\u5c06\u5173\u952e\u5b57\u8fdb\u884c\u8f6c\u4e49\u3002<\/p>\n

    11.\u6570\u636e\u7c7b\u578b\u8f6c\u6362
    \n\u6570\u503c\u7c7b\u578b\u4e4b\u95f4\u7684\u8f6c\u6362
    \n\u7cbe\u5ea6\u6392\u5e8f:sbyte < short < int < long < float < double
    \n\u9690\u5f0f\u8f6c\u6362(\u81ea\u52a8\u8f6c\u6362):\u4f4e\u7cbe\u5ea6\u8f6c\u6362\u6210\u9ad8\u7cbe\u5ea6\u6570\u636e,\u7f16\u8bd1\u5668\u81ea\u52a8\u8f6c\u6362,\u4e0d\u9700\u8981\u7a0b\u5e8f\u5458\u624b\u52a8\u8f6c\u6362
    \n\u663e\u793a\u8f6c\u6362(\u5f3a\u5236\u8f6c\u6362):\u9ad8\u7cbe\u5ea6\u8f6c\u6362\u4e3a\u4f4e\u7cbe\u5ea6\u6570\u636e\u5fc5\u987b\u7531\u7a0b\u5e8f\u5458\u624b\u52a8\u8f6c\u6362<\/p>\n

    \u5b57\u7b26\u4e32\u548c\u5176\u4ed6\u7c7b\u578b\u4e4b\u95f4\u7684\u8f6c\u6362
    \nConvert\u8f6c\u6362\u7c7b,\u50a8\u5b58\u8f6c\u6362\u7684\u65b9\u6cd5
    \n\u8f6c\u6362\u4e3aint:Convert.ToInt32();
    \n\u8f6c\u6362\u4e3adouble:Convert.Double();
    \n\u8f6c\u6362\u4e3abool:Convert.ToBoolean();
    \n\u8f6c\u6362\u4e3achar:Convert.ToChar();<\/p>\n

    12.\u8fd0\u7b97\u7b26
    \n1.\u5173\u7cfb\u8fd0\u7b97\u7b26
    \n\u5047\u8bbe\u53d8\u91cf A \u7684\u503c\u4e3a 10，\u53d8\u91cf B \u7684\u503c\u4e3a 20，\u5219：<\/p>\n\n\u8fd0\u7b97\u7b26\u63cf\u8ff0\u5b9e\u4f8b<\/tr>\n\n\n\n\n\n\n\n
    ==<\/td>\n\u68c0\u67e5\u4e24\u4e2a\u64cd\u4f5c\u6570\u7684\u503c\u662f\u5426\u76f8\u7b49，\u5982\u679c\u76f8\u7b49\u5219\u6761\u4ef6\u4e3a\u771f\u3002<\/td>\n(A == B) \u4e0d\u4e3a\u771f\u3002<\/td>\n<\/tr>\n
    !=<\/td>\n\u68c0\u67e5\u4e24\u4e2a\u64cd\u4f5c\u6570\u7684\u503c\u662f\u5426\u76f8\u7b49，\u5982\u679c\u4e0d\u76f8\u7b49\u5219\u6761\u4ef6\u4e3a\u771f\u3002<\/td>\n(A != B) \u4e3a\u771f\u3002<\/td>\n<\/tr>\n
    ><\/td>\n\u68c0\u67e5\u5de6\u64cd\u4f5c\u6570\u7684\u503c\u662f\u5426\u5927\u4e8e\u53f3\u64cd\u4f5c\u6570\u7684\u503c，\u5982\u679c\u662f\u5219\u6761\u4ef6\u4e3a\u771f\u3002<\/td>\n(A > B) \u4e0d\u4e3a\u771f\u3002<\/td>\n<\/tr>\n
    <<\/td>\n\u68c0\u67e5\u5de6\u64cd\u4f5c\u6570\u7684\u503c\u662f\u5426\u5c0f\u4e8e\u53f3\u64cd\u4f5c\u6570\u7684\u503c，\u5982\u679c\u662f\u5219\u6761\u4ef6\u4e3a\u771f\u3002<\/td>\n(A < B) \u4e3a\u771f\u3002<\/td>\n<\/tr>\n
    >=<\/td>\n\u68c0\u67e5\u5de6\u64cd\u4f5c\u6570\u7684\u503c\u662f\u5426\u5927\u4e8e\u6216\u7b49\u4e8e\u53f3\u64cd\u4f5c\u6570\u7684\u503c，\u5982\u679c\u662f\u5219\u6761\u4ef6\u4e3a\u771f\u3002<\/td>\n(A >= B) \u4e0d\u4e3a\u771f\u3002<\/td>\n<\/tr>\n
    <=<\/td>\n\u68c0\u67e5\u5de6\u64cd\u4f5c\u6570\u7684\u503c\u662f\u5426\u5c0f\u4e8e\u6216\u7b49\u4e8e\u53f3\u64cd\u4f5c\u6570\u7684\u503c，\u5982\u679c\u662f\u5219\u6761\u4ef6\u4e3a\u771f\u3002<\/td>\n(A <= B) \u4e3a\u771f\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    2.\u903b\u8f91\u8fd0\u7b97\u7b26
    \n\u5047\u8bbe\u53d8\u91cf A \u4e3a\u5e03\u5c14\u503c true，\u53d8\u91cf B \u4e3a\u5e03\u5c14\u503c false，\u5219：<\/p>\n\n\u8fd0\u7b97\u7b26\u63cf\u8ff0\u5b9e\u4f8b<\/tr>\n\n\n\n\n
    &&<\/td>\n\u79f0\u4e3a\u903b\u8f91\u4e0e\u8fd0\u7b97\u7b26\u3002\u5982\u679c\u4e24\u4e2a\u64cd\u4f5c\u6570\u90fd\u975e\u96f6，\u5219\u6761\u4ef6\u4e3a\u771f\u3002<\/td>\n(A && B) \u4e3a\u5047\u3002<\/td>\n<\/tr>\n
    ||<\/td>\n\u79f0\u4e3a\u903b\u8f91\u6216\u8fd0\u7b97\u7b26\u3002\u5982\u679c\u4e24\u4e2a\u64cd\u4f5c\u6570\u4e2d\u6709\u4efb\u610f\u4e00\u4e2a\u975e\u96f6，\u5219\u6761\u4ef6\u4e3a\u771f\u3002<\/td>\n(A || B) \u4e3a\u771f\u3002<\/td>\n<\/tr>\n
    !<\/td>\n\u79f0\u4e3a\u903b\u8f91\u975e\u8fd0\u7b97\u7b26\u3002\u7528\u6765\u9006\u8f6c\u64cd\u4f5c\u6570\u7684\u903b\u8f91\u72b6\u6001\u3002\u5982\u679c\u6761\u4ef6\u4e3a\u771f\u5219\u903b\u8f91\u975e\u8fd0\u7b97\u7b26\u5c06\u4f7f\u5176\u4e3a\u5047\u3002<\/td>\n!(A && B) \u4e3a\u771f\u3002<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

    3.\u4f4d\u8fd0\u7b97\u7b26
    \n\u5728\u4e8c\u8fdb\u5236\u7684\u57fa\u7840\u4e0a\u8fdb\u884c\u64cd\u4f5c
    \n&:\u6309\u4f4d\u4e0e,\u51681\u52191 , \u67090\u52190 \u4f7f\u7528\u573a\u666f: \u4e0e1 \u8fdb\u884c\u6309\u4f4d\u4e0e (\u5947\u5076\u5224\u65ad)
    \n|:\u6309\u4f4d\u6216,\u51680\u52190 , \u67091\u52191
    \n<<:\u5de6\u79fb\u4f4d,\u79fb\u51e0\u4f4d\u5c31*2\u7684\u51e0\u6b21\u65b9
    \n>>:\u53f3\u79fb\u4f4d,\u79fb\u51e0\u4f4d\u5c31\/2\u7684\u51e0\u6b21\u65b9
    \n\"\u5728\u8fd9\u91cc\u63d2\u5165\u56fe\u7247\u63cf\u8ff0\"<\/p>\n","protected":false},"excerpt":{"rendered":"

    1.java \u548c C#\u90fd\u5c5e\u4e8e\u5f3a\u7c7b\u578b\u5e94\u7528\u6570\u636e\u7c7b\u578b
    \n2.\u53d8\u91cf: \u50a8\u5b58\u6570\u636e\u7c7b\u578b\u7684\u5bb9\u5668,\u4e0d\u540c\u6570\u636e\u7c7b\u578b\u652f\u6301\u7684\u64cd\u4f5c\u4e0d\u540c，\u6307\u5b9a\u8be5\u6570\u636e\u7c7b\u578b\u4e4b\u540e，\u53ea\u80fd\u50a8\u5b58\u8be5\u6570\u636e\u7c7b\u578b，\u89c4\u5b9a\u4e86\u80fd\u8fdb\u884c\u7684\u64cd\u4f5c
    \n\u6570\u636e\u7c7b\u578b\u5206 \u503c\u7c7b\u578b\u548c\u5f15\u7528\u6570\u636e\u7c7b\u578b
    \n\u503c\u7c7b\u578b:
    \n\u6574\u6570\u7c7b\u578b\u7c7b\u578b\u63cf\u8ff0\u8303\u56f4\u5927\u5c0f\u9ed8\u8ba4\u503csbyte8 \u4f4d\u6709\u7b26\u53f7\u6574\u6570\u7c7b\u578b-128 \u5230 1278 \u4f4d (1 \u5b57\u8282)0byte8 \u4f4d\u65e0\u7b26\u53f7\u6574\u65700 \u5230 2558 \u4f4d (1 \u5b57\u8282)0short16 \u4f4d\u6709\u7b26\u53f7\u6574\u6570\u7c7b\u578b-32,768 \u5230 32,767<\/p>\n","protected":false},"author":2,"featured_media":91965,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[55,371,305],"topic":[],"class_list":["post-91966","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-c","tag-371","tag-305"],"yoast_head":"\nC# \u96f6\u57fa\u7840\u5b66\u4e60 Day02\uff5c\u57fa\u7840\u6982\u5ff5\u68b3\u7406 + \u601d\u7ef4\u5bfc\u56fe\u603b\u7ed3 - \u7f51\u7855\u4e92\u8054\u5e2e\u52a9\u4e2d\u5fc3<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.wsisp.com\/helps\/91966.html\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C# \u96f6\u57fa\u7840\u5b66\u4e60 Day02\uff5c\u57fa\u7840\u6982\u5ff5\u68b3\u7406 + \u601d\u7ef4\u5bfc\u56fe\u603b\u7ed3 - 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