{"id":338,"date":"2021-06-21T09:15:32","date_gmt":"2021-06-21T09:15:32","guid":{"rendered":"http:\/\/gongyikun.cn\/?p=338"},"modified":"2021-06-21T09:15:32","modified_gmt":"2021-06-21T09:15:32","slug":"qt%e4%b8%adqbytearry%e6%95%b0%e7%bb%84%e5%92%8cint%e6%95%b0%e7%bb%84%e7%9a%84%e7%9b%b8%e4%ba%92%e8%bd%ac%e5%8c%96","status":"publish","type":"post","link":"https:\/\/blog.gongyikun.cn\/?p=338","title":{"rendered":"QT\u4e2dQByteArry\u6570\u7ec4\u548cint\u6570\u7ec4\u7684\u76f8\u4e92\u8f6c\u5316"},"content":{"rendered":"<h2>&#8211; \u9700\u8981\u5728QT\u4e0a\u642d\u5efa\u4e2a\u53ef\u4ee5\u53d1\u900116\u8fdb\u5236\u663e\u793a\u7684\u4e8c\u8fdb\u5236\u6570\u7ec4\u7684TCP\u901a\u8baf\u3002\u6211\u4eec\u8981\u8bf4\u7684\u662f\u5728\uff1a<\/h2>\n<pre><code class=\"language-cpp line-numbers\">QByteArry\u00a0 \u00a0 Arry=TCPSoket-&gt;readAll();\n<\/code><\/pre>\n<h2>&#8211; \u83b7\u5f97\u7684\u7684\u662fQByteArry\u6570\u7ec4\uff0c\u5176\u663e\u793a\u7684\u662fASCII\u7801\u5f62\u5f0f\uff0c\u800c\u6211\u901a\u8baf\u62a5\u6587\u5374\u53c8\u662f16\u8fdb\u5236\u6570\u636e\uff0c\u5982\u6b64\u5bf9\u6bd4\u8d77\u6765\u6bd4\u8f83\u9ebb\u70e6\u3002\u6240\u4ee5\u9700\u8981\u5c06\u83b7\u5f97\u7684\u6570\u7ec4\u8f6c\u6362\u4e3aint\u578b\uff0c\u5982\u6b64\u624d\u597d\u5bf9\u6bd4\u3002<\/h2>\n<h2>1.\u5148\u5c06QByteArry\u8f6c\u6362\u6210QString\uff0c<\/h2>\n<h2>2.\u518d\u5c06QString\u8f6c\u621016\u8fdb\u5236int\u6570\u7ec4\uff0c\u8fdb\u884c\u6bd4\u8f83\u3002\u6211\u8fd9\u91cc\u4f7f\u7528\u4e86vector\uff0c\u6240\u4ee5\u9700\u8981#include<vector>\u624d\u80fd\u8c03\u7528\u3002<\/h2>\n<pre><code class=\"language-cpp line-numbers\">QByteArray da =m_tcpsocket-&gt;readAll();\/\/\u83b7\u5f97\u6570\u7ec4\n    QString strMessage = da.toHex();\n    int len = strMessage.length();\n    vector&lt;int&gt; readM;\/\/\u56e0\u4e3a\u65e0\u6cd5\u50cfC#\u4e00\u6837\u76f4\u63a5\u5b9a\u4e49\u52a8\u6001\u6570\u7ec4\uff0cvector\u9700\u8981\u4e00\u4e0b\uff0c\u8fd9\u4e2areadM\u5c31\u662f\u6211\u4eec\u6240\u9700\u8981\u7684int\u6570\u7ec4\u4e86\n    for(int i=0;i&lt;len\/2;i++)\n    {\n        readM.push_back(strMessage.mid(2*i,2).toInt(0,16));\n    }\n<\/code><\/pre>\n<h2>-\u800c\u53d1\u9001\u65f6\uff0c\u5c06\u51c6\u786e\u768416\u8fdb\u5236\u6570\u7ec4\u53d1\u9001\uff0c\u5c31\u8981\u5c06int\u5b58\u5165QByteArry\u4e86<\/h2>\n<pre><code class=\"language-cpp line-numbers\"> void MainWindow::sendMessage()\n{\n    int in[]={0x81,0x30,0x00,0x0E,0xA0,0x02,0x3F,0xFF,0x80,0x3F,0xFF,0xFF,0x0F,0xEC};\/\/\u6240\u8981\u53d1\u9001\u7684\u62a5\u6587\n    int siz =sizeof(in)\/sizeof(in[0]);\n    QByteArray sendM=InnitialQByteArry(in,siz);\n    m_tcpsocket-&gt;write( sendM);\n}\n\nQByteArray InnitialQByteArry(int in[],int len)\/\/\u8f93\u5165int\u6570\u7ec4\u548c\u6570\u7ec4\u957f\u5ea6\uff0c\u5c06\u6570\u7ec4\u4e2d\u7684\u503c\u5b58\u5165QByteArry\u4e2d\n{\n    QByteArray byteArry;\n    byteArry.resize(len);\n    for (int i=0;i&lt;len;i++)\n    {\n        byteArry[i]=in[i];\n    }\n    return byteArry;\n}\n<\/code><\/pre>\n<div class=\"clearfix\"><\/div>","protected":false},"excerpt":{"rendered":"<p>&#8211; \u9700\u8981\u5728QT\u4e0a\u642d\u5efa\u4e2a\u53ef\u4ee5\u53d1\u900116\u8fdb\u5236\u663e\u793a\u7684\u4e8c\u8fdb\u5236\u6570\u7ec4\u7684TCP\u901a\u8baf\u3002\u6211\u4eec\u8981\u8bf4\u7684\u662f\u5728\uff1a QByteA [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[21],"tags":[],"_links":{"self":[{"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/posts\/338"}],"collection":[{"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=338"}],"version-history":[{"count":1,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/posts\/338\/revisions"}],"predecessor-version":[{"id":339,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=\/wp\/v2\/posts\/338\/revisions\/339"}],"wp:attachment":[{"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=338"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=338"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.gongyikun.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}