{"id":244,"date":"2018-07-21T22:41:51","date_gmt":"2018-07-21T14:41:51","guid":{"rendered":"http:\/\/mnihyc.tk\/blog\/?p=244"},"modified":"2020-04-22T11:42:47","modified_gmt":"2020-04-22T03:42:47","slug":"%e4%b8%8b%e8%bd%bd%e6%b5%8b%e9%80%9f","status":"publish","type":"post","link":"https:\/\/cf.mnihyc.com\/blog\/archives\/244","title":{"rendered":"\u4e0b\u8f7d\u6d4b\u901f"},"content":{"rendered":"<p style=\"padding-left: 30px;\">\u8fd9\u4e2a\u4e1c\u897f\u5176\u5b9e\u65e9\u5c31\u5f04\u51fa\u6765\u4e86\uff0c\u53ea\u4e0d\u8fc7\u624b\u8d31\u7ed9\u5220\u4e86\u3002<\/p>\n<p>\u751f\u6210\u4ee3\u7801\uff1a<\/p>\n<p><!--more--><\/p>\n<pre class=\"lang:default decode:true\">#include &lt;cstdio&gt;\r\n#include &lt;cstdlib&gt;\r\n#include &lt;ctime&gt;\r\n\r\nint main(int argc,char**argv)\r\n{\r\n\tif(argc&lt;=2)\r\n\t{\r\n\t\tprintf(\"Usage: test.exe [file_name] [file_size(MB)]\\n\");\r\n\t\treturn 0;\r\n\t}\r\n\tlong size=atoi(argv[2]);\r\n\tif(size&lt;=0 || size&gt;1024)\r\n\t{\r\n\t\tprintf(\"Invalid size !\\n\");\r\n\t\treturn 0;\r\n\t}\r\n\t\r\n\tFILE*fp=fopen(argv[1],\"wb\");\r\n\tif(fp==NULL)\r\n\t{\r\n\t\tprintf(\"Couldn't open \\\"%s\\\"!\\n\",argv[1]);\r\n\t\treturn 0;\r\n\t}\r\n\tprintf(\"Open successfully!\\n\");\r\n\t\r\n\tsize*=1024*1024;\r\n\tlong nW=0;unsigned char c[1]={0};\r\n\tsrand(time(NULL));\r\n\twhile(nW&lt;size)\r\n\t{\r\n\t\tc[0]=rand()%256;\r\n\t\tfwrite(&amp;c,1,1,fp);\r\n\t\t\r\n\t\tnW++;\r\n\t\tif(nW%(5*1024*1024)==0)\r\n\t\t\tprintf(\"Progress: %.2lf\/%.2lf  %.0lf%\\n\",nW\/1024.0\/1024.0,size\/1024.0\/1024.0,(double)nW\/(double)size*100.0);\r\n\t}\r\n\tfclose(fp);\r\n\tprintf(\"Write successfully!\\n\"); \r\n\t\r\n\treturn 0;\r\n}\r\n<\/pre>\n<p>&nbsp;<\/p>\n<p>\u6d4b\u8bd5\u94fe\u63a5\uff1a <a href=\"https:\/\/dl.mnihyc.com\/test\/5MB.test\">5MB<\/a> <a href=\"https:\/\/dl.mnihyc.com\/test\/10MB.test\">10MB<\/a> <a href=\"https:\/\/dl.mnihyc.com\/test\/20MB.test\">20MB<\/a> <a href=\"https:\/\/dl.mnihyc.com\/test\/50MB.test\">50MB<\/a> <a href=\"https:\/\/dl.mnihyc.com\/test\/100MB.test\">100MB<\/a> <a href=\"https:\/\/dl.mnihyc.com\/test\/200MB.test\">200MB<\/a> <a href=\"https:\/\/dl.mnihyc.com\/test\/500MB.test\">500MB<\/a><\/p>\n<p style=\"padding-left: 60px;\">\uff08\u6211\u4e5f\u4e0d\u77e5\u9053\u4e3a\u4ec0\u4e48\u8981\u5f04\u8fd9\u4e48\u591a\u4e2a<\/p>\n<p>&nbsp;<\/p>\n<hr \/>\n<p>\n<a href=\"https:\/\/cf.mnihyc.com\/test\/speedtest\">HTML5 Speedtest<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u8fd9\u4e2a\u4e1c\u897f\u5176\u5b9e\u65e9\u5c31\u5f04\u51fa\u6765\u4e86\uff0c\u53ea\u4e0d\u8fc7\u624b\u8d31\u7ed9\u5220\u4e86\u3002 \u751f\u6210\u4ee3\u7801\uff1a<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[10,21],"tags":[],"class_list":["post-244","post","type-post","status-publish","format-standard","hentry","category-other","category-tools"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.1.1 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>\u4e0b\u8f7d\u6d4b\u901f - mnihyc&#039;s Blog<\/title>\n<meta name=\"description\" content=\"\u8fd9\u4e2a\u4e1c\u897f\u5176\u5b9e\u65e9\u5c31\u5f04\u51fa\u6765\u4e86\uff0c\u53ea\u4e0d\u8fc7\u624b\u8d31\u7ed9\u5220\u4e86\u3002 \u751f\u6210\u4ee3\u7801\uff1a #include &lt;cstdio&gt; #include &lt;cstdlib&gt; #include &lt;ctime&gt; int main(int argc,char**argv) { if(argc&lt;=2) {\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/cf.mnihyc.com\/blog\/archives\/244\" \/>\n<meta property=\"og:locale\" content=\"zh_CN\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"\u4e0b\u8f7d\u6d4b\u901f - mnihyc&#039;s Blog\" \/>\n<meta property=\"og:description\" content=\"\u8fd9\u4e2a\u4e1c\u897f\u5176\u5b9e\u65e9\u5c31\u5f04\u51fa\u6765\u4e86\uff0c\u53ea\u4e0d\u8fc7\u624b\u8d31\u7ed9\u5220\u4e86\u3002 \u751f\u6210\u4ee3\u7801\uff1a #include &lt;cstdio&gt; #include &lt;cstdlib&gt; #include &lt;ctime&gt; int main(int argc,char**argv) { if(argc&lt;=2) {\" \/>\n<meta property=\"og:url\" content=\"https:\/\/cf.mnihyc.com\/blog\/archives\/244\" \/>\n<meta property=\"og:site_name\" content=\"mnihyc&#039;s Blog\" \/>\n<meta property=\"article:published_time\" content=\"2018-07-21T14:41:51+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-04-22T03:42:47+00:00\" \/>\n<meta name=\"author\" content=\"mnihyc\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@mnihyc\" \/>\n<meta name=\"twitter:site\" content=\"@mnihyc\" \/>\n<meta name=\"twitter:label1\" content=\"\u4f5c\u8005\" \/>\n\t<meta name=\"twitter:data1\" content=\"mnihyc\" \/>\n\t<meta name=\"twitter:label2\" content=\"\u9884\u8ba1\u9605\u8bfb\u65f6\u95f4\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 \u5206\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/cf.mnihyc.com\/blog\/archives\/244#article\",\"isPartOf\":{\"@id\":\"https:\/\/cf.mnihyc.com\/blog\/archives\/244\"},\"author\":{\"name\":\"mnihyc\",\"@id\":\"https:\/\/mnihyc.com\/blog\/#\/schema\/person\/61e167d6d591fdd20dcfee2cf848a751\"},\"headline\":\"\u4e0b\u8f7d\u6d4b\u901f\",\"datePublished\":\"2018-07-21T14:41:51+00:00\",\"dateModified\":\"2020-04-22T03:42:47+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/cf.mnihyc.com\/blog\/archives\/244\"},\"wordCount\":11,\"commentCount\":0,\"publisher\":{\"@id\":\"https:\/\/mnihyc.com\/blog\/#\/schema\/person\/61e167d6d591fdd20dcfee2cf848a751\"},\"articleSection\":[\"\u5176\u5b83\",\"\u5de5\u5177\"],\"inLanguage\":\"zh-Hans\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/cf.mnihyc.com\/blog\/archives\/244#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/cf.mnihyc.com\/blog\/archives\/244\",\"url\":\"https:\/\/cf.mnihyc.com\/blog\/archives\/244\",\"name\":\"\u4e0b\u8f7d\u6d4b\u901f - mnihyc&#039;s Blog\",\"isPartOf\":{\"@id\":\"https:\/\/mnihyc.com\/blog\/#website\"},\"datePublished\":\"2018-07-21T14:41:51+00:00\",\"dateModified\":\"2020-04-22T03:42:47+00:00\",\"description\":\"\u8fd9\u4e2a\u4e1c\u897f\u5176\u5b9e\u65e9\u5c31\u5f04\u51fa\u6765\u4e86\uff0c\u53ea\u4e0d\u8fc7\u624b\u8d31\u7ed9\u5220\u4e86\u3002 \u751f\u6210\u4ee3\u7801\uff1a #include &lt;cstdio&gt; 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