qt客户端注册几次后崩溃（已解决）

逃离我推掉我的手 2022-06-16 05:38 190阅读 0赞

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   <td style="border-style:solid; border-width:1px; border-color:rgb(211,211,211); padding:10px; margin:0px; width:99.92447129909365%"> <strong><span style="font-size:19px">问题描述</span></strong></td> 
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   <td style="border-style:solid; border-width:1px; border-color:rgb(211,211,211); padding:10px; margin:0px; width:100%"> 今天在写完客户端注册程序后，每注册几次，客户端就会崩溃，预测是这段代码的问题（主要是红色部分）。初涉qt，记录遇到的问题，慢慢进步。</td> 
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   <td style="border-style:solid; border-width:1px; border-color:rgb(211,211,211); padding:10px; margin:0px; width:100%"> <strong><span style="font-size:19px">问题代码</span></strong></td> 
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   <td style="border-style:solid; border-width:1px; border-color:rgb(211,211,211); padding:10px; margin:0px; width:100%"> 
    <div style="padding:8px; font-family:Monaco,Menlo,Consolas,'Courier New',monospace; color:rgb(51,51,51); background-color:rgb(251,250,248)"> 
     <div>
       //确认注册 
     </div> 
     <div>
       void registDialog::on_okButton_clicked() 
     </div> 
     <div>
       { 
     </div> 
     <div>
       &nbsp; &nbsp; qDebug() &lt;&lt; "hello"; 
      <br> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; checkUser(); 
      <br> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; checkPassword(); 
     </div> 
     <div> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp;//选择性别 
     </div> 
     <div>
       &nbsp; &nbsp; if(ui-&gt;radioButtonB-&gt;isChecked()) 
     </div> 
     <div>
       &nbsp; &nbsp; { 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; _sex = "男"; 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; ui-&gt;labelS-&gt;setText("√"); 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; _statusS = true; 
     </div> 
     <div>
       &nbsp; &nbsp; } 
     </div> 
     <div>
       &nbsp; &nbsp; else if(ui-&gt;radioButtonG-&gt;isChecked()) 
     </div> 
     <div>
       &nbsp; &nbsp; { 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; _sex = "女"; 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; ui-&gt;labelS-&gt;setText("√"); 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; _statusS = true; 
      <br> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; } 
      <br> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; else 
     </div> 
     <div>
       &nbsp; &nbsp; { 
      <br> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; ui-&gt;labelS-&gt;setText("请选择性别"); 
      <br> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; _statusS = false; 
      <br> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; } 
     </div> 
     <div> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; _status = (_statusP&amp;&amp;_statusP1&amp;&amp;_statusS&amp;&amp;_statusS&amp;&amp;_statusU); 
     </div> 
     <div> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp;//注册信息正确后发送给服务器端，并关闭注册界面 
     </div> 
     <div>
       &nbsp; &nbsp; if(_status == true) 
     </div> 
     <div>
       &nbsp; &nbsp; { 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; Singleton *sfd = Singleton::getInstance(); 
     </div> 
     <div> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; msg.active = REGIST; 
      <br> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; QByteArray dataArray1 = _lineEditInputU.toLatin1(); 
      <br> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; QByteArray dataArray2 = _lineEditInputP.toLatin1(); 
     </div> 
     <div> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; strcpy(msg.user, dataArray1.data()); 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; strcpy(msg.password, dataArray2.data()); 
     </div> 
     <div> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; _socket = sfd-&gt;getSocket(); 
      <br> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; int num = _socket-&gt;write((char *)&amp;msg, sizeof(msg)); 
      <br> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; qDebug() &lt;&lt; "num = " &lt;&lt; num; 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; qDebug() &lt;&lt; "sex = " &lt;&lt; _sex; 
     </div> 
     <div> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; 
      <span style="color:rgb(255,0,0)">connect(_socket, SIGNAL(readyRead()), this, SLOT(slotReadyRead()));</span> 
     </div> 
     <div> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; initMessage(); 
     </div> 
     <div> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; &nbsp; &nbsp; this-&gt;close(); 
     </div> 
     <div>
       &nbsp; &nbsp; } 
     </div> 
     <div>
       } 
     </div> 
    </div> 
    <div> 
     <br> 
    </div> 
    <div style="padding:8px; font-family:Monaco,Menlo,Consolas,'Courier New',monospace; color:rgb(51,51,51); background-color:rgb(251,250,248)"> 
     <div>
       //接收服务器数据 
     </div> 
     <div>
       void registDialog::slotReadyRead() 
     </div> 
     <div>
       { 
     </div> 
     <div>
       &nbsp; &nbsp; Message smsg; 
     </div> 
     <div> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; 
      <span style="color:rgb(255,0,0)">while(_socket-&gt;bytesAvailable() &lt;= 0);</span> 
     </div> 
     <div> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; smsg.active = EMPTY; 
      <br> 
      <br> 
     </div> 
     <div>
       &nbsp; &nbsp; _socket-&gt;read((char *)&amp;smsg, sizeof(smsg)); 
     </div> 
     <div> 
      <br> 
     </div> 
     <div>
       } 
     </div> 
    </div> </td> 
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   <td style="border-style:solid; border-width:1px; border-color:rgb(211,211,211); padding:10px; margin:0px; width:100%"> 应该就是红色接收数据部分问题无疑了，注释掉之后不论怎么折磨客户端都不会崩溃。</td> 
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