fix(export): align table header and content in exported TXT file

deepin-devicemanager/src/DeviceManager/DeviceInfo.cpp

@@ -405,7 +405,21 @@
     qCDebug(appLog) << "Finished writing items to Txt.";
 }
 
-void DeviceBaseInfo::tableInfoToTxt(QTextStream &out)
+double DeviceBaseInfo::displayWidth(const QString &str)
+{
+    double width = 0;
+    for (const QChar &ch : str) {
+        ushort code = ch.unicode();
+        // CJK字符占4列，其余占2列
+        if (code > 0x7E || (code >= 0xA1 && code <= 0xFF))
+            width += 1.5;
+        else
+            width += 1;
+    }
+    return width;
+}
+
+void DeviceBaseInfo::tableInfoToTxt(QTextStream &out, const QList<double> &colWidths)
 {
     qCDebug(appLog) << "DeviceBaseInfo::tableInfoToTxt called.";
     // 获取表格内容
@@ -417,24 +431,16 @@
         return;
     }
 
-    // 设置占位宽度
-    QString text = m_TableDataTr[0];
-    out.setFieldWidth(int(text.size() * 1.5));
-    out.setFieldAlignment(QTextStream::FieldAlignment::AlignRight);
-    qCDebug(appLog) << "Txt field width set for table info.";
-
-    foreach (auto item, m_TableDataTr) {
-        out.setFieldWidth(28);
-        out << item;
-        // qCDebug(appLog) << "Written table item to Txt: " << item;
+    for (int col = 0; col < m_TableDataTr.size(); ++col) {
+        double w = (col < colWidths.size()) ? colWidths[col] : 30;
+        int pad = qMax(0, int(w - displayWidth(m_TableDataTr[col])));
+        out << m_TableDataTr[col] << QString(pad, ' ');
     }
-
-    out.setFieldWidth(0);
     out << "\n";
     qCDebug(appLog) << "Finished writing table info to Txt.";
 }
 
-void DeviceBaseInfo::tableHeaderToTxt(QTextStream &out)
+void DeviceBaseInfo::tableHeaderToTxt(QTextStream &out, const QList<double> &colWidths)
 {
     qCDebug(appLog) << "DeviceBaseInfo::tableHeaderToTxt called.";
     // 获取表头
@@ -446,19 +452,12 @@
         return;
     }
 
-    // 设置占位宽度
-    QString text = m_TableHeaderTr[0];
-    out.setFieldWidth(int(text.size() * 1.5));
-    out.setFieldAlignment(QTextStream::FieldAlignment::AlignLeft);
-    qCDebug(appLog) << "Txt field width set for table header.";
-
     out << "\n";
     for (int col = 0; col < m_TableHeaderTr.size() - 1; ++col) {
-        out.setFieldWidth(30);
-        out << m_TableHeaderTr[col];
-        // qCDebug(appLog) << "Written table header item to Txt: " << m_TableHeaderTr[col];
+        double w = (col < colWidths.size()) ? colWidths[col] : 30;
+        int pad = qMax(0, int(w - displayWidth(m_TableHeaderTr[col])));
+        out << m_TableHeaderTr[col] << QString(pad, ' ');
     }
-    out.setFieldWidth(0);
     out << "\n";
     qCDebug(appLog) << "Finished writing table header to Txt.";
 }

deepin-devicemanager/src/DeviceManager/DeviceInfo.h

@@ -1,5 +1,4 @@
-// Copyright (C) 2019 ~ 2020 Uniontech Software Technology Co.,Ltd.
-// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2019 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -334,14 +333,23 @@ class DeviceBaseInfo : public QObject
     /**
      * @brief tableInfoToTxt:表格内容写到txt
      * @param out:txt文件流
+     * @param colWidths:每列的显示宽度列表
      */
-    void tableInfoToTxt(QTextStream &out);
+    void tableInfoToTxt(QTextStream &out, const QList<double> &colWidths);
 
     /**
      * @brief tableHeaderToTxt:表头信息写到txt
      * @param out:txt文件流
+     * @param colWidths:每列的显示宽度列表
      */
-    void tableHeaderToTxt(QTextStream &out);
+    void tableHeaderToTxt(QTextStream &out, const QList<double> &colWidths);
+
+    /**
+     * @brief displayWidth:计算字符串的显示宽度(CJK字符算1.5,其余算1)
+     * @param str:输入字符串
+     * @return 显示宽度
+     */
+    static double displayWidth(const QString &str);
 
     /**
      * @brief tableInfoToHtml:表格内容写到html

deepin-devicemanager/src/MacroDefinition.h

@@ -1,5 +1,4 @@
-// Copyright (C) 2019 ~ 2020 Uniontech Software Technology Co.,Ltd.
-// SPDX-FileCopyrightText: 2022 UnionTech Software Technology Co., Ltd.
+// SPDX-FileCopyrightText: 2019 - 2026 UnionTech Software Technology Co., Ltd.
 //
 // SPDX-License-Identifier: GPL-3.0-or-later
 
@@ -33,9 +32,22 @@
     \
     /**添加Table信息**/                                                              \
     if (deviceLst.size() > 1) {                                                     \
-        deviceLst[0]->tableHeaderToTxt(out);                                        \
+        /* 第一遍扫描：计算每列最大显示宽度 */                                           \
+        const QStringList &_hdr = deviceLst[0]->getTableHeader();                   \
+        int _colCount = _hdr.size() - 1;                                            \
+        QList<double> _colWidths;                                                   \
+        for (int _c = 0; _c < _colCount; ++_c)                                      \
+            _colWidths.append(DeviceBaseInfo::displayWidth(_hdr[_c]) + 4);          \
+        foreach (auto _dev, deviceLst) {                                            \
+            const QStringList &_dat = _dev->getTableData();                         \
+            for (int _c = 0; _c < qMin(_dat.size(), _colCount); ++_c) {             \
+                double _w = DeviceBaseInfo::displayWidth(_dat[_c]) + 4;             \
+                if (_w > _colWidths[_c]) _colWidths[_c] = _w;                       \
+            }                                                                       \
+        }                                                                           \
+        deviceLst[0]->tableHeaderToTxt(out, _colWidths);                            \
         foreach (auto device, deviceLst) {                                          \
-            device->tableInfoToTxt(out);                                            \
+            device->tableInfoToTxt(out, _colWidths);                                \
         }                                                                           \
     }                                                                               \
     \