{"id":89877,"date":"2020-05-12T17:30:28","date_gmt":"2020-05-12T09:30:28","guid":{"rendered":"http:\/\/4563.org\/?p=89877"},"modified":"2020-05-12T17:30:28","modified_gmt":"2020-05-12T09:30:28","slug":"%e9%81%87%e5%88%b0%e4%ba%86%e4%b8%80%e4%b8%aa%e7%8e%84%e5%ad%a6%e9%97%ae%e9%a2%98%ef%bc%8c-c-%e4%bf%ae%e6%94%b9%e7%b1%bb%e7%9a%84%e6%95%b0%e6%8d%ae%e6%88%90%e5%91%98%e5%90%8e%e5%85%b6%e5%80%bc","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=89877","title":{"rendered":"\u9047\u5230\u4e86\u4e00\u4e2a\u7384\u5b66\u95ee\u9898\uff0c C++ \u4fee\u6539\u7c7b\u7684\u6570\u636e\u6210\u5458\u540e\u5176\u503c\u53c8\u81ea\u5df1\u53d8\u4e86\u56de\u53bb"},"content":{"rendered":"<div>\n<div>\n<div>\n<h1>                  \u9047\u5230\u4e86\u4e00\u4e2a\u7384\u5b66\u95ee\u9898\uff0c C++ \u4fee\u6539\u7c7b\u7684\u6570\u636e\u6210\u5458\u540e\u5176\u503c\u53c8\u81ea\u5df1\u53d8\u4e86\u56de\u53bb               <\/h1>\n<p> <\/p>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : JustSong <\/span>  <span><i><\/i> 14<\/span> <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<div isfirst=\"1\"> <\/p>\n<h2>\u95ee\u9898\u63cf\u8ff0<\/h2>\n<p>\u95ee\u9898\u662f\u8fd9\u6837\u7684\uff0c\u6211\u6b63\u5728\u5199\u4e00\u4e2a\u6587\u4ef6\u7cfb\u7edf\u6a21\u62df\u5668\uff0c\u5141\u8bb8\u4f7f\u7528 cd \u547d\u4ee4\u4fee\u6539\u5f53\u524d\u7684\u5de5\u4f5c\u76ee\u5f55\uff0c\u4e3a\u6b64\u6211\u6dfb\u52a0\u4e86\u4e00\u4e2a\u79c1\u6709\u7684\u540d\u79f0\u4e3a workingDir \u7684 string \u7c7b\u578b\u7684\u6570\u636e\u6210\u5458\uff0c\u5e76\u6709\u4e24\u4e2a\u76f8\u5173\u7684\u51fd\u6570\uff1a<\/p>\n<pre><code>bool Filesystem::changeWorkingDir(const string &amp;path) {     if (!existPath(path)) {         cerr &lt;&lt; \"cd: No such directory \" &lt;&lt; path &lt;&lt; endl;         return false;     }     workingDir = path;     return true; }  string Filesystem::getWorkingDir() {     return workingDir; } <\/code><\/pre>\n<p>\u4f46\u662f\u51fa\u73b0\u4e86\u4e00\u4e2a\u5f88\u7384\u5b66\u7684\u95ee\u9898\uff0c\u6bcf\u5f53\u6211\u8c03\u7528 <code>changeWorkingDir<\/code> \u51fd\u6570\u4fee\u6539 workingDir \u540e\u5b83\u81ea\u52a8\u7684\u53d8\u4e3a\u521d\u59cb\u503c\u3002<\/p>\n<p>\u5982\u4e0b\u56fe\u6240\u793a\uff0cworkingDir \u786e\u5b9e\u88ab\u4fee\u6539\u4e86\uff1a<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/05\/20200518_5ec2f06bd51a2.png\" alt=\"\u9047\u5230\u4e86\u4e00\u4e2a\u7384\u5b66\u95ee\u9898\uff0c C++ \u4fee\u6539\u7c7b\u7684\u6570\u636e\u6210\u5458\u540e\u5176\u503c\u53c8\u81ea\u5df1\u53d8\u4e86\u56de\u53bb\" \/><\/p>\n<p>\u4f46\u662f\u9a6c\u4e0a\u5c31\u53c8\u53d8\u4e86\u56de\u53bb\u3002\u3002<\/p>\n<p><img decoding=\"async\" src=\"http:\/\/4563.org\/wp-content\/uploads\/2020\/05\/20200518_5ec2f071d639b.png\" alt=\"\u9047\u5230\u4e86\u4e00\u4e2a\u7384\u5b66\u95ee\u9898\uff0c C++ \u4fee\u6539\u7c7b\u7684\u6570\u636e\u6210\u5458\u540e\u5176\u503c\u53c8\u81ea\u5df1\u53d8\u4e86\u56de\u53bb\" \/><\/p>\n<p>\u7a0b\u5e8f\u4e2d\u9664\u4e86\u8fd9\u4e24\u4e2a\u51fd\u6570\uff0c\u5c31\u53ea\u6709\u6784\u9020\u51fd\u6570\u548c\u53e6\u5916\u4e00\u4e2a\u51fd\u6570\u8bbf\u95ee\u4e86 workingDir\uff1a<\/p>\n<pre><code>Filesystem::Filesystem() {     fsFilename = \"data\";     workingDir = \"\/\";     \/\/ \u7565 }  bool Filesystem::list(string &amp;path) {     if (path.empty()) path = workingDir;     \/\/ \u7565 }   <\/code><\/pre>\n<h2>\u590d\u73b0\u65b9\u6cd5<\/h2>\n<p>\u7f16\u8bd1\u597d\u7a0b\u5e8f\u540e\uff0c\u8f93\u5165 mkdir home \u968f\u4fbf\u521b\u5efa\u4e00\u4e2a\u6587\u4ef6\u5939\uff0c\u4f7f\u7528 cd home \u4fee\u6539\u5de5\u4f5c\u76ee\u5f55\uff0c\u4e4b\u540e\u4f7f\u7528 pwd \u6253\u5370\u5de5\u4f5c\u76ee\u5f55\u53d1\u73b0\u5176\u503c\u4f9d\u7136\u662f\u4e4b\u524d\u6784\u9020\u51fd\u6570\u4e2d\u521d\u59cb\u5316\u65f6\u7ed9\u8d4b\u7684\u503c\uff0c\u5373 &#8220;\/&#8221;\u3002<\/p>\n<p>\u5e0c\u671b\u5927\u5bb6\u80fd\u5e2e\u5fd9\u770b\u4e00\u4e0b<\/p>\n<\/p><\/div>\n<div> <b>\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (<span>11<\/span>)        <\/div>\n<div> <\/div>\n<\/p><\/div>\n<\/p><\/div>\n<ul>\n<li data-pid=\"1326501\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wslzy007 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u770b\u5730\u5740 Filesystem \u5bf9\u8c61\u4e0d\u662f\u4e00\u4e2a\u5427                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1326502\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : geelaw <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             Filesystem \u4f1a\u590d\u5236\u5230 execute \u91cc\u9762\uff0c\u81ea\u7136\u4e0d\u4f1a\u5bf9\u5916\u9762\u7684\u5bf9\u8c61\u4ea7\u751f\u5f71\u54cd                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1326503\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : misdake <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             Sheel.h \u91cc execute \u51fd\u6570\u7b2c\u4e00\u4e2a\u53c2\u6570 Filesystem fs\uff0c\u590d\u5236\u8fdb\u6765\u7684\uff0c\u6240\u4ee5\u6bcf\u6b21\u90fd\u662f main \u91cc\u9762\u90a3\u4e2a fs \u7684\u590d\u5236                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1326504\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : clayyj1210 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             #1 \u7834\u6848\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1326505\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : wslzy007 <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4ecb\u7ecd\u4e00\u4e0b 0x64fd10 \u548c 0x64fdc0\uff0c\u5982\u679c\u662f\u5bf9\u8c61\u590d\u5236\uff0c\u9700\u8981\u62f7\u8d1d\u6784\u9020\u51fd\u6570\u54e6\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1326506\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : towry <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             this \u5730\u5740\u90fd\u4e0d\u4e00\u6837\u4e86\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1326507\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : JustSong <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u8c22\u8c22\u5927\u5bb6\uff0c\u4e4b\u524d\u641e\u4e86\u597d\u4e45\uff0c\u6ca1\u6ce8\u610f\u5230\u5730\u5740\u53d8\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1326508\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u4e3b<\/span> <span>\u8cc7\u6df1\u5927\u4f6c : JustSong <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u4f46\u662f\u6211\u4e4b\u524d\u4e5f\u6709\u5728\u6784\u9020\u51fd\u6570\u5904\u6253\u65ad\u70b9\uff0c\u6ca1\u88ab\u89e6\u53d1                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1326509\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : codehz <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             @JustSong \u5927\u6982\u662f\u81ea\u52a8\u751f\u6210\u7684\u590d\u5236\u6784\u9020\u51fd\u6570<br \/>\u5efa\u8bae\u8fd9\u79cd\u60c5\u51b5\u76f4\u63a5\u8bbe\u5b9a\u590d\u5236\u6784\u9020\u51fd\u6570\u4e3a delete \u963b\u6b62\u610f\u5916\u590d\u5236<br \/>\uff08\u8fd8\u6709 opertor =                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1326510\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : Wirbelwind <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u540c\u610f #9                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li data-pid=\"1326511\" data-uid=\"2\">\n<div>\n<div>\n<div> <span>\u8cc7\u6df1\u5927\u4f6c : twoconk <\/span>  <\/div>\n<div> <i title=\"\u5f15\u7528\"><\/i>  <span>          <\/span> <\/div>\n<\/p><\/div>\n<div>                                                             \u5443\u5443 \u4e0d\u662f\u4e00\u4e2a\u5bf9\u8c61                                                            <\/div>\n<\/p><\/div>\n<\/li>\n<li>\n","protected":false},"excerpt":{"rendered":"<p>\u9047\u5230\u4e86\u4e00\u4e2a\u7384\u5b66\u95ee\u9898\uff0c C++ \u4fee\u6539&hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/89877"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=89877"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/89877\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=89877"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=89877"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=89877"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}