---

RecordQuery.cpp

@@ -71,7 +71,7 @@ void RecordQuery::UpdateRecordList(const std::vector<DbRecord>& records){
                   << "通话时长"
                   << "消息内容";
     // 设置列表行数和列数
-    int rowCount = records.size();
+    int rowCount = int(records.size());
     ui->tblRecordList->setRowCount(rowCount);        // 设置行数
     ui->tblRecordList->setColumnCount(column_labels.size()); // 设置列数
         // 设置水平表头

RecordQuery.ui

@@ -256,6 +256,18 @@
            <property name="selectionBehavior">
             <enum>QAbstractItemView::SelectRows</enum>
            </property>
+           <attribute name="horizontalHeaderVisible">
+            <bool>true</bool>
+           </attribute>
+           <attribute name="horizontalHeaderShowSortIndicator" stdset="0">
+            <bool>true</bool>
+           </attribute>
+           <attribute name="horizontalHeaderStretchLastSection">
+            <bool>true</bool>
+           </attribute>
+           <attribute name="verticalHeaderVisible">
+            <bool>true</bool>
+           </attribute>
            <column>
             <property name="text">
              <string>开始时间</string>

mainwindow.cpp

@@ -344,6 +344,7 @@ void MainWindow::on_btnSendMessage_clicked() {
     QString number = ui->cmbMessageNumber->currentText();
     if (number.isEmpty()) {
         QMessageBox::information(this, "错误", "请输入电话号码");
+        return;
     }
     // TODO: 检查电话号码格式是否满足要求，比如长度
 
@@ -351,6 +352,7 @@ void MainWindow::on_btnSendMessage_clicked() {
     QString message = ui->txtMessageContent->toPlainText();
     if (message.isEmpty()) {
         QMessageBox::information(this, "错误", "请输入要发送的消息");
+        return;
     }
     // 检查消息长度
     if (message.length() > 140) {

mainwindow.ui

@@ -252,6 +252,9 @@
               <property name="selectionBehavior">
                <enum>QAbstractItemView::SelectRows</enum>
               </property>
+              <attribute name="horizontalHeaderStretchLastSection">
+               <bool>true</bool>
+              </attribute>
               <column>
                <property name="text">
                 <string>读取状态</string>