{"id":839,"date":"2022-05-10T11:57:07","date_gmt":"2022-05-10T02:57:07","guid":{"rendered":"https:\/\/mowareblog.net\/3rd\/?p=839"},"modified":"2022-08-16T00:38:32","modified_gmt":"2022-08-15T15:38:32","slug":"c-25-string-char-int%e9%96%93%e3%81%ae%e5%a4%89%e6%8f%9b","status":"publish","type":"post","link":"https:\/\/mowareblog.net\/3rd\/2022\/05\/839\/c-25-string-char-int%e9%96%93%e3%81%ae%e5%a4%89%e6%8f%9b\/","title":{"rendered":"[C++] 25 string, char*, int\u9593\u306e\u5909\u63db"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u30e1\u30a4\u30f3\u30d6\u30ed\u30b0\u306eTIPS\u8a18\u4e8b\u306f\u3053\u3061\u3089\u306b\u79fb\u52d5\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism undefined-numbers lang-cpp\" data-lang=\"C++\"><code>\uff1cstring\u578b\u304b\u3089char*\u578b\uff1e\nusing std::string;\n\nstring str;\nchar* str_to_char = str.c_str();\n\n\uff1cstring\u578b\u304b\u3089char[]\u578b\uff1e\nstring str;\n\nchar ch[2048] = {};\nstr.copy(ch, 2047); \/\/ \u6700\u5f8c\u306b\u30cc\u30eb\u6587\u5b57\u304c\u6b8b\u308b\u3088\u3046\u306b\u3059\u308b\n\n\uff1cint\u578b\u304b\u3089string\u578b\uff1e\nusing std::string; using std::to_string;\n\nint num ;\nstring int_to_string = to_string(num);\n\n\uff1cstring\u578b\u304b\u3089int\u578b\uff1e\nusing std::string; using std::stoi;\n\nstring str;\nint str_to_int = stoi(str);\n\n\uff1cchar*\u578b\u304b\u3089int\u578b\uff1e atoi\u95a2\u6570\u306f\u30a8\u30e9\u30fc\u6642\u306b0\u3092\u8fd4\u3059\u306e\u3067\u53d6\u308a\u6271\u3044\u6ce8\u610f!!\n#include &lt;stdlib.h&gt;\n\nchar* ch;\nint char_to_int = atoi(ch);\n\n\uff1cint\u578b\u304b\u3089char*\u578b\uff1e\nint\u578b\u304b\u3089string\u578b\u3001string\u578b\u304b\u3089char*\u578b\u3078\u9806\u306b\u5909\u63db\n\nusing std::string; using std::to_string;\n\nint num ;\nstring int_to_string = to_string(num);\nchar* str_to_char = (to_string(num)).c_str();\n\n\uff1cconst char*\u304b\u3089string\u578b\uff1e\nusing std::string;\n\nconst char* cstr;\nstring cstr_to_string = string(cstr);\n\n\uff1cchar\u578b\u5358\u4f53\u304b\u3089string\u578b\uff1e\nchar ch = &#39;a&#39;;\nstring str{ch}; str\u304cstring\u578b\u5909\u6570\n\n\uff1cchar[]\u578b\u304b\u3089string\u578b\uff1e\nchar chars[] = {&#39;a&#39;, &#39;b&#39;, &#39;c&#39;};\nstd::string str(chars, 3); \/\/ 3\u306fchar\u306e\u500b\u6570\u3001str\u304cstring\u578b\u5909\u6570<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>\u30e1\u30a4\u30f3\u30d6\u30ed\u30b0\u306eTIPS\u8a18\u4e8b\u306f\u3053\u3061\u3089\u306b\u79fb\u52d5\u3055\u305b\u307e\u3059\u3002<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[14],"tags":[],"class_list":["post-839","post","type-post","status-publish","format-standard","hentry","category-14"],"_links":{"self":[{"href":"https:\/\/mowareblog.net\/3rd\/wp-json\/wp\/v2\/posts\/839","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mowareblog.net\/3rd\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mowareblog.net\/3rd\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mowareblog.net\/3rd\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mowareblog.net\/3rd\/wp-json\/wp\/v2\/comments?post=839"}],"version-history":[{"count":9,"href":"https:\/\/mowareblog.net\/3rd\/wp-json\/wp\/v2\/posts\/839\/revisions"}],"predecessor-version":[{"id":1066,"href":"https:\/\/mowareblog.net\/3rd\/wp-json\/wp\/v2\/posts\/839\/revisions\/1066"}],"wp:attachment":[{"href":"https:\/\/mowareblog.net\/3rd\/wp-json\/wp\/v2\/media?parent=839"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mowareblog.net\/3rd\/wp-json\/wp\/v2\/categories?post=839"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mowareblog.net\/3rd\/wp-json\/wp\/v2\/tags?post=839"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}