\u6570\u7ec4\u4e0e\u6307\u9488\u7684\u827a\u672f\u2014\u2014\u6df1\u5165\u63a2\u7d22C\/C++\u6570\u7ec4\u4e0e\u6307\u9488\u7684\u5965\u79d8<\/a><\/p>\n\u82e5\u6307\u9488\u4fdd\u5b580\u503c\uff0c\u8868\u660e\u5b83\u4e0d\u6307\u5411\u4efb\u4f55\u5bf9\u8c61\u3002\uff08\u628aint\u578b\u53d8\u91cf\u8d4b\u7ed9\u6307\u9488\u662f\u975e\u6cd5\u7684\uff0c\u5c3d\u7ba1\u6b64int\u578b\u53d8\u91cf\u7684\u503c\u53ef\u80fd\u4e3a0\u3002\uff09<\/p>\n
\u5982\u679c\u5fc5\u987b\u5206\u5f00\u5b9a\u4e49\u6307\u9488\u548c\u5176\u6240\u6307\u5411\u7684\u5bf9\u8c61\uff0c\u5219\u5c06\u6307\u9488\u521d\u59cb\u5316\u4e3a0\u3002\u56e0\u4e3a\u7f16\u8bd1\u5668\u53ef\u68c0\u67e5\u6d4b\u51fa0\u503c\u7684\u6307\u9488\uff0c\u7a0b\u5e8f\u53ef\u5224\u65ad\u8be5\u6307\u9488\u5e76\u672a\u6307\u5411\u4e00\u4e2a\u5bf9\u8c61\u3002<\/p>\n
3\u3001\u6307\u9488\u548c\u5f15\u7528\u6709\u4e24\u4e2a\u91cd\u8981\u533a\u522b\uff1a\u7b2c\u4e00\u4e2a\u533a\u522b\u5728\u4e8e\u5f15\u7528\u603b\u6307\u5411\u67d0\u4e2a\u5bf9\u8c61\uff1a\u5b9a\u4e49\u5f15\u7528\u65f6\u6ca1\u6709\u521d\u59cb\u5316\u662f\u9519\u8bef\u7684\u3002\u7b2c\u4e8c\u4e2a\u91cd\u8981\u533a\u522b\u5219\u662f\u8d4b\u503c\u884c\u4e3a\u7684\u5dee\u5f02\uff1a\u7ed9\u5f15\u7528\u8d4b\u503c\u4fee\u6539\u7684\u662f\u8be5\u5f15\u7528\u6240\u5173\u8054\u7684\u5bf9\u8c61\u7684\u503c\uff0c\u800c\u5e76\u4e0d\u662f\u4f7f\u5f15\u7528\u4e0e\u53e6\u4e00\u4e2a\u5bf9\u8c61\u5173\u8054\u3002\u5f15\u7528\u4e00\u7ecf\u521d\u59cb\u5316\uff0c\u5c31\u59cb\u7ec8\u6307\u5411\u540c\u4e00\u4e2a\u7279\u5b9a\u5bf9\u8c61\uff08\u8fd9\u5c31\u662f\u4e3a\u4ec0\u4e48\u5f15\u7528\u5fc5\u987b\u5728\u5b9a\u4e49\u65f6\u521d\u59cb\u5316\u7684\u539f\u56e0\uff09\u3002<\/p>\n
4\u3001\u5728\u8868\u8fbe\u5f0f\u4e2d\u4f7f\u7528\u6570\u7ec4\u540d\u65f6\uff0c\u8be5\u540d\u5b57\u4f1a\u81ea\u52a8\u8f6c\u6362\u4e3a\u6307\u5411\u6570\u7ec4\u7b2c\u4e00\u4e2a\u5143\u7d20\u7684\u6307\u9488\uff08\u5de6\u503c\u8f6c\u6362\u6210\u53f3\u503c\uff09\u3002\u5f53\u6570\u7ec4\u540d\u4f5c\u4e3a\u6570\u7ec4\u5bf9\u8c61\u5b9a\u4e49\u7684\u6807\u8bc6\u7b26\u3001\u521d\u59cb\u5316\u5668\u4ee5\u53ca\u4f5c\u4e3asizeof\u3001&\u7684\u64cd\u4f5c\u6570\u65f6\uff0c\u4ee3\u8868\u6570\u7ec4\u5bf9\u8c61\u672c\u8eab\u3002<\/p>\n
\u6570\u7ec4\u540d\u4e0d\u662f\u6307\u9488\u3002\u6570\u7ec4\u540d\u7684\u5185\u6db5\u5728\u4e8e\u5176\u6307\u4ee3\u5b9e\u4f53\u662f\u4e00\u79cd\u6570\u636e\u7ed3\u6784\uff08\u6570\u7ec4\uff09\uff1b\u6570\u7ec4\u540d\u7684\u5916\u5ef6\u5728\u4e8e\u5176\u53ef\u4ee5\u8f6c\u6362\u4e3a\u6307\u5411\u5176\u6307\u4ee3\u5b9e\u4f53\u7684\u6307\u9488\uff1b\u6307\u5411\u6570\u7ec4\u7684\u6307\u9488\u5219\u662f\u4e00\u79cd\u53d8\u91cf\u7c7b\u578b\uff0c\u4ec5\u4ec5\u610f\u5473\u7740\u6570\u7ec4\u7684\u5b58\u653e\u5730\u5740\u3002<\/p>\n
5\u3001\u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\u6570\u7ec4\u65f6\uff0c\u5b9e\u9645\u4e0a\u662f\u4f7f\u7528\u4e0b\u6807\u8bbf\u95ee\u6307\u9488\u3002<\/p>\n
C++\u5141\u8bb8\u8ba1\u7b97\u6570\u7ec4\u6216\u5bf9\u8c61\u7684\u8d85\u51fa\u672b\u7aef\u7684\u5730\u5740\uff0c\u4f46\u4e0d\u5141\u8bb8\u5bf9\u6b64\u5730\u5740\u8fdb\u884c\u89e3\u5f15\u7528\u64cd\u4f5c\u3002\u800c\u8ba1\u7b97\u6570\u7ec4\u8d85\u51fa\u672b\u7aef\u7684\u4f4d\u7f6e\u4e4b\u540e\u6216\u6570\u7ec4\u9996\u5730\u5740\u4e4b\u524d\u7684\u5730\u5740\u90fd\u662f\u4e0d\u5408\u6cd5\u7684\u3002<\/p>\n
C++\u8bed\u8a00\u5f3a\u5236\u8981\u6c42\u6307\u5411const\u5bf9\u8c61\u7684\u6307\u9488\u4e5f\u5fc5\u987b\u5177\u6709const\u7279\u6027\uff1a<\/p>\n
const typename *ptr;\u00a0\u00a0\u00a0 \/\/ \u6307\u5411typename\u7c7b\u578bconst\u5bf9\u8c61\u7684\u6307\u9488<\/p>\n
typename *const ptr;\u00a0\u00a0\u00a0 \/\/ const\u6307\u9488<\/p>\n
\u4e0d\u80fd\u4f7f\u7528\u6307\u5411const\u5bf9\u8c61\u7684\u6307\u9488\u4fee\u6539\u57fa\u7840\u5bf9\u8c61\uff0c\u7136\u800c\u5982\u679c\u8be5\u6307\u9488\u6307\u5411\u7684\u662f\u4e00\u4e2a\u975econst\u5bf9\u8c61\uff0c\u53ef\u7528\u5176\u4ed6\u65b9\u6cd5\u4fee\u6539\u5176\u6240\u6307\u7684\u5bf9\u8c61\u3002<\/p>\n
\u5982\u679c\u628a\u6307\u5411const\u7684\u6307\u9488\u7406\u89e3\u4e3a\u201c\u81ea\u4ee5\u4e3a\u6307\u5411const\u7684\u6307\u9488\u201d\uff0c\u8fd9\u53ef\u80fd\u4f1a\u5bf9\u7406\u89e3\u6709\u6240\u5e2e\u52a9\u3002<\/p>\n
6\u3001typedef string *pstring;<\/p>\n
const pstring cstr;<\/p>\n
\u58f0\u660econst pstring\u65f6\uff0cconst\u4fee\u9970\u7684\u662fpstring\u7684\u7c7b\u578b\uff0c\u8fd9\u662f\u4e00\u4e2a\u6307\u9488\u3002\u56e0\u6b64\uff0c\u8be5\u58f0\u660e\u8bed\u53e5\u5e94\u8be5\u662f\u628acstr\u5b9a\u4e49\u4e3a\u6307\u5411string\u7c7b\u578b\u5bf9\u8c61\u7684cosnt\u6307\u9488\uff0c\u8fd9\u4e2a\u5b9a\u4e49\u7b49\u4ef7\u4e8e\uff1a<\/p>\n
string *const cstr;<\/p>\n
7\u3001\u5b57\u7b26\u4e32\u5b57\u9762\u503c\u7684\u7c7b\u578b\u5c31\u662fconst char\u7c7b\u578b\u7684\u6570\u7ec4\u3002<\/p>\n
C++\u867d\u7136\u4e0d\u5141\u8bb8\u5b9a\u4e49\u957f\u5ea6\u4e3a0\u7684\u6570\u7ec4\u53d8\u91cf\uff0c\u4f46\u660e\u786e\u6307\u51fa\uff0c\u8c03\u7528new\u52a8\u6001\u521b\u5efa\u957f\u5ea6\u4e3a0\u7684\u6570\u7ec4\u662f\u5408\u6cd5\u7684\u3002\u7528new\u52a8\u6001\u521b\u5efa\u957f\u5ea6\u4e3a0\u7684\u6570\u7ec4\u65f6\uff0cnew\u8fd4\u56de\u6709\u6548\u7684\u975e\u96f6\u6307\u9488\u3002\u8be5\u6307\u9488\u4e0enew\u8fd4\u56de\u7684\u5176\u4ed6\u6307\u9488\u4e0d\u540c\uff0c\u4e0d\u80fd\u8fdb\u884c\u89e3\u5f15\u7528\u64cd\u4f5c\uff0c\u56e0\u4e3a\u5b83\u6bd5\u7adf\u6ca1\u6709\u6307\u5411\u4efb\u4f55\u5143\u7d20\u3002<\/p>\n
c_str\u8fd4\u56de\u7684\u6570\u7ec4\uff08const char []\uff09\u5e76\u4e0d\u4fdd\u8bc1\u4e00\u5b9a\u662f\u6709\u6548\u7684\uff0c\u63a5\u4e0b\u6765\u5bf9st2\u7684\u64cd\u4f5c\u6709\u53ef\u80fd\u4f1a\u6539\u53d8st2\u7684\u503c\uff0c\u4f7f\u521a\u624d\u8fd4\u56de\u7684\u6570\u7ec4\u5931\u6548\u3002\u5982\u679c\u7a0b\u5e8f\u9700\u8981\u6301\u7eed\u8bbf\u95ee\u8be5\u6570\u636e\uff0c\u5219\u5e94\u8be5\u590d\u5236c_str\u51fd\u6570\u8fd4\u56de\u7684\u6570\u7ec4\u3002<\/p>\n
8\u3001\u4e25\u683c\u5730\u8bf4\uff0cC++\u4e2d\u6ca1\u6709\u591a\u7ef4\u6570\u7ec4\uff0c\u901a\u5e38\u6240\u6307\u7684\u591a\u7ef4\u6570\u7ec4\u5176\u5b9e\u5c31\u662f\u6570\u7ec4\u7684\u6570\u7ec4\u3002<\/p>\n
\u591a\u7ef4\u6570\u7ec4\u8f6c\u6362\u800c\u6210\u7684\u6307\u9488\u7c7b\u578b\u5e94\u8be5\u662f\u6307\u5411\u7b2c\u4e00\u4e2a\u5185\u5c42\u6570\u7ec4\u7684\u6307\u9488\u3002<\/p>\n
9\u3001typedef int int_array[4];<\/p>\n
int_array *ip = ia;\u00a0\u00a0\u00a0 \/\/ int_array\u6307\u9488\u6307\u5411\u5305\u542b\u56db\u4e2aint\u5143\u7d20\u7684\u6570\u7ec4\u4e00\u884c<\/p>\n
10\u3001ptrdiff_t\u4e0esize_t\u7c7b\u578b\u4e00\u6837\uff0c\u4e5f\u662f\u4e00\u79cd\u4e0e\u673a\u5668\u76f8\u5173\u7684\u7c7b\u578b\uff0c\u5728cstddef\u5934\u6587\u4ef6\u4e2d\u5b9a\u4e49\u3002size_t\u662funsigned\u7c7b\u578b\uff0c\u800cptrdiff_t\u5219\u662fsigned\u6574\u578b\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
1\u3001\u6570\u7ec4\u662f\u7531\u7c7b\u578b\u540d\u3001\u6807\u8bc6\u7b26\u548c\u7ef4\u6570\u7ec4\u6210\u7684\u590d\u5408\u6570\u636e\u7c7b\u578b\uff0c\u662f\u4e00\u79cd\u5b58\u50a8\u5355\u4e00\u6570\u636e\u7c7b\u578b\u5bf9\u8c61\u7684\u5bb9\u5668\uff0c\u5176\u4e2d\u6bcf\u4e2a\u5bf9\u8c61\u90fd\u6ca1\u6709\u5355\u72ec\u7684 […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[9],"tags":[],"class_list":["post-404","post","type-post","status-publish","format-standard","hentry","category-cplusplusprimer"],"_links":{"self":[{"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/posts\/404","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/115.29.108.60\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=404"}],"version-history":[{"count":4,"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/posts\/404\/revisions"}],"predecessor-version":[{"id":538,"href":"http:\/\/115.29.108.60\/index.php?rest_route=\/wp\/v2\/posts\/404\/revisions\/538"}],"wp:attachment":[{"href":"http:\/\/115.29.108.60\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=404"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/115.29.108.60\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=404"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/115.29.108.60\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=404"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}