{"id":3395,"date":"2017-12-16T11:24:02","date_gmt":"2017-12-16T03:24:02","guid":{"rendered":"http:\/\/www.bookcard.net\/wordpress\/?p=3395"},"modified":"2018-01-16T16:22:30","modified_gmt":"2018-01-16T08:22:30","slug":"windows_read_write_text_db","status":"publish","type":"post","link":"https:\/\/www.bookcard.net\/wordpress\/windows_read_write_text_db\/","title":{"rendered":"Windows\u8f15\u91cf\u7d1a\u6587\u672c\u6578\u64da\u5eab"},"content":{"rendered":"
\"\"<\/a>
Windows\u8f15\u91cf\u7d1a\u6587\u672c\u6578\u64da\u5eab<\/figcaption><\/figure>\n

\u5982\u679c\u7a0b\u5f0f\u9700\u8981\u8b80\u53d6\u5927\u91cf\u6578\u64da\u53ef\u4f7f\u7528SQLite3\u95dc\u4fc2\u6578\u64da\u5eab,\u4f46\u5982\u679c\u53ea\u662f\u8b80\u5beb\u5c0f\u91cf\u6587\u672c\u6578\u64da,\u5247\u4f7f\u7528\u6587\u672c\u4e00\u884c\u884c\u5730\u4fdd\u5b58\u6587\u672c\u66f4\u65b9\u4fbf,\u64f4\u5c55\u540d\u6700\u597d\u6539\u70ba.db\u4e0b\u9eb5\u7d66\u8a2d\u8a08\u601d\u8def.<\/p>\n

\u8b80\u53d6\u6587\u672c\u6578\u64da<\/p>\n

    \n
  1. \u4ee5\u6587\u672c\u53ea\u8b80\u65b9\u5f0f\u6253\u958b\u6587\u4ef6_wfopen(),\u4f7f\u7528\u5bec\u5b57\u7b26\u7248\u8def\u5f91\u5e36\u6709\u4e2d\u6587\u4e5f\u53ef\u6253\u958b,<\/li>\n
  2. \u8b80\u53d6\u4e00\u884c\u6587\u672cfgets()\u4e26\u9032\u884c\u8655\u7406<\/li>\n
  3. \u5faa\u74b0\u7b2c\u4e8c\u6b65,\u5982\u8fd4\u56deNULL\u5247\u8b80\u53d6\u5b8c\u7562.<\/li>\n
  4. \u95dc\u9589\u6587\u4ef6\u53e5\u67c4fclose()<\/li>\n<\/ol>\n

    \u5beb\u5165\u6587\u672c\u6578\u64da<\/p>\n

      \n
    1. \u4ee5\u6587\u672c\u5beb\u5165\u65b9\u5f0f\u6253\u958b\u6587\u4ef6_wfopen(),\u6a21\u5f0f\u4f7f\u7528w\u4ee3\u8868\u6587\u4ef6\u9577\u5ea6\u6e05\u96f6,\u5426\u5247\u4f7f\u7528a\u5728\u6587\u4ef6\u5c3e\u5beb\u5165\u6578\u64da<\/li>\n
    2. \u5beb\u5165\u4e00\u884c\u6587\u672cfputs()<\/li>\n
    3. \u5beb\u5165\u63db\u884cfputs(“\\n”,stream);<\/li>\n
    4. \u5faa\u74b0\u7b2c\u4e8c\u7b2c\u4e09\u6b65,\u5982\u8fd4\u56deNULL\u5247\u8b80\u53d6\u5b8c\u7562.<\/li>\n
    5. \u95dc\u9589\u6587\u4ef6\u53e5\u67c4fclose()<\/li>\n<\/ol>\n

       <\/p>\n

      \u8b80\u53d6\u6587\u672c\u7684C\u4ee3\u78bc<\/p>\n

      bool Read_DB()<\/p>\n

      {<\/p>\n

      FILE * stream=NULL; \/\/ \u6587\u4ef6\u6d41\u53e5\u67c4<\/p>\n

      char text[2056];<\/p>\n

      stream = _wfopen(L”text.dat”,L”r+t”);\/\/ \u4ee5\u6587\u672c\u65b9\u5f0f\u6253\u958b\u6587\u4ef6<\/p>\n

      if(stream == NULL)<\/p>\n

      return false;\/\/ \u7121\u6cd5\u6253\u958b\u6587\u4ef6<\/p>\n

      \/\/ \u8b80\u53d6\u4e00\u884c<\/p>\n

      while(fgets(text,sizeof(text),stream) != NULL)<\/p>\n

      {\u00a0 \/\/\u53bb\u9664\u5b57\u7b26\u4e32\u4e2d\u6700\u5f8c\u9762 “\u63db\u884c\u7b26”\u00a0 “\u7a7a\u683c”<\/p>\n

      TrimRight(text);<\/p>\n

      \/\/ \u8655\u7406\u6587\u672c<\/p>\n

      \/\/ ……….<\/p>\n

      }<\/p>\n

      fclose(stream); \/\/ \u95dc\u9589\u6587\u4ef6\u53e5\u67c4<\/p>\n

      return true;<\/p>\n

      }<\/p>\n

      \u8ffd\u52a0\u4e00\u884c\u6587\u672c\u7684C\u4ee3\u78bc<\/p>\n

      bool Save_DB(char * text)<\/p>\n

      {<\/p>\n

      FILE * stream=NULL; \/\/ \u6587\u4ef6\u6d41\u53e5\u67c4<\/p>\n

      \/\/ \u4ee5\u6587\u672c\u65b9\u5f0f\u6253\u958b\u6587\u4ef6<\/p>\n

      stream = _wfopen(L”text.dat”,L”a+t”);<\/p>\n

      if(stream == NULL)<\/p>\n

      return false;\/\/ \u7121\u6cd5\u6253\u958b\u6587\u4ef6<\/p>\n

      ::fputs(text,stream);\/\/ \u5beb\u5165\u6578\u64da<\/p>\n

      ::fputs(“\\n”,stream);\/\/ \u63db\u884c<\/p>\n

      fclose(stream);\/\/ \u95dc\u9589\u6587\u4ef6\u53e5\u67c4<\/p>\n

      return true;<\/p>\n

      }<\/p>\n","protected":false},"excerpt":{"rendered":"

      \u5982\u679c\u7a0b\u5f0f\u9700\u8981\u8b80\u53d6\u5927\u91cf\u6578\u64da\u53ef\u4f7f\u7528SQLite3\u95dc\u4fc2\u6578\u64da\u5eab,\u4f46\u5982\u679c\u53ea\u662f\u8b80\u5beb\u5c0f\u91cf\u6587\u672c\u6578\u64da,\u5247\u4f7f\u7528\u6587\u672c\u4e00\u884c\u884c\u5730\u4fdd\u5b58\u6587\u672c … <\/p>\n

      \u7e7c\u7e8c\u95b1\u8b80 Windows\u8f15\u91cf\u7d1a\u6587\u672c\u6578\u64da\u5eab<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[51],"tags":[3,42],"class_list":["post-3395","post","type-post","status-publish","format-standard","hentry","category-windows","tag-windows","tag-computer","entry"],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3395","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/comments?post=3395"}],"version-history":[{"count":1,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3395\/revisions"}],"predecessor-version":[{"id":3397,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/posts\/3395\/revisions\/3397"}],"wp:attachment":[{"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/media?parent=3395"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/categories?post=3395"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bookcard.net\/wordpress\/wp-json\/wp\/v2\/tags?post=3395"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}