{"id":2156,"date":"2022-01-21T00:29:14","date_gmt":"2022-01-20T16:29:14","guid":{"rendered":"https:\/\/guerilla.ddns.net\/wp\/?p=2156"},"modified":"2025-08-22T22:33:52","modified_gmt":"2025-08-22T14:33:52","slug":"char-string-%e8%bd%89%e6%8f%9b%e6%88%90-wchar_t-string","status":"publish","type":"post","link":"https:\/\/guerilla.ddns.net\/wp\/?p=2156","title":{"rendered":"char string \u8f49\u63db\u6210 wchar_t string"},"content":{"rendered":"<p>\u65b9\u6cd5\u4e00\uff1a<\/p>\n<pre><code class=\"language-c\" data-line=\"\">#include &lt;cstdlib&gt;\nint mbstowcs(wchar_t *out, const char *in, size_t size);<\/code><\/pre>\n<p>&nbsp;<br \/>\n\u65b9\u6cd5\u4e8c\uff1a<\/p>\n<pre><code class=\"language-cpp\" data-line=\"\">#include &lt;windows.h&gt;\nint\u00a0MultiByteToWideChar(\n\u00a0\u00a0\u00a0\u00a0[in]\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0UINT\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0CodePage,\n\u00a0\u00a0\u00a0\u00a0[in]\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0DWORD\u00a0\u00a0\u00a0\u00a0\u00a0dwFlags,\n\u00a0\u00a0\u00a0\u00a0[in]\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0LPCSTR\u00a0\u00a0\u00a0\u00a0lpMultiByteStr,\n\u00a0\u00a0\u00a0\u00a0[in]\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cbMultiByte,\n\u00a0\u00a0\u00a0\u00a0[out,\u00a0optional]\u00a0LPWSTR\u00a0\u00a0\u00a0\u00a0lpWideCharStr,\n\u00a0\u00a0\u00a0\u00a0[in]\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0int\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0cchWideChar\n);<\/code><\/pre>\n<p>&nbsp;<br \/>\n\u7bc4\u4f8b\uff1a<\/p>\n<pre><code class=\"language-cpp\" data-line=\"\">catch (const std::exception&amp; ex)\n{\n\tint len = MultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, ex.what(), -1, nullptr, 0);\n\twchar_t* wszDest = new wchar_t[len];\n\tMultiByteToWideChar(CP_ACP, MB_PRECOMPOSED, ex.what(), -1, wszDest, len);\n\tMessageBoxW(m_hwnd, wszDest, L&quot;Error&quot;, MB_OK | MB_ICONERROR);\n\tdelete [] wszDest;\n\texit(EXIT_FAILURE);\n}<\/code><\/pre>\n<p>&nbsp;<\/p>\n<p>source: <a href=\"https:\/\/stackoverflow.com\/questions\/1791578\/how-do-i-convert-a-char-string-to-a-wchar-t-string\" target=\"_blank\" rel=\"noopener\">How do I convert a char string to a wchar_t string?<\/a><\/p>\n<p>&nbsp;<br \/>\n#ansi #unicode #convert<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u65b9\u6cd5\u4e00\uff1a #include &lt;cstdlib&gt; int mbstowcs(wchar_t *out [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[212],"tags":[85,27],"class_list":["post-2156","post","type-post","status-publish","format-standard","hentry","category-coding","tag-c","tag-coding"],"_links":{"self":[{"href":"https:\/\/guerilla.ddns.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/2156","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/guerilla.ddns.net\/wp\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/guerilla.ddns.net\/wp\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/guerilla.ddns.net\/wp\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/guerilla.ddns.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=2156"}],"version-history":[{"count":16,"href":"https:\/\/guerilla.ddns.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/2156\/revisions"}],"predecessor-version":[{"id":3390,"href":"https:\/\/guerilla.ddns.net\/wp\/index.php?rest_route=\/wp\/v2\/posts\/2156\/revisions\/3390"}],"wp:attachment":[{"href":"https:\/\/guerilla.ddns.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2156"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/guerilla.ddns.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2156"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/guerilla.ddns.net\/wp\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2156"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}