func：添加key字段重复检测。

MainWidget.cpp

@@ -11,7 +11,7 @@ MainWidget::MainWidget(QWidget* parent) : QWidget(parent), ui(new Ui::MainWidget
 {
     ui->setupUi(this);
 
-    setWindowTitle(u8"OneLevelXmlOpr v1.2.2");
+    setWindowTitle(u8"OneLevelXmlOpr v1.2.3");
     setWindowIcon(QIcon("://resource/xml.ico"));
 
     setMinimumWidth(900);
@@ -38,7 +38,10 @@ MainWidget::MainWidget(QWidget* parent) : QWidget(parent), ui(new Ui::MainWidget
     connect(ui->btnDelSelectLine, &QPushButton::clicked, this, [&]() { del_select_line(); });
     connect(ui->btnExit, &QPushButton::clicked, this, [&]() { QApplication::exit(0); });
     connect(ui->btnReset, &QPushButton::clicked, this, &MainWidget::reset);
-    connect(ui->btnEditProperty, &QPushButton::clicked, this, &MainWidget::edit_property);
+    connect(ui->btnEditProperty, &QPushButton::clicked, this, [&]() {
+        Element_t* ele = get_current_select_key();
+        edit_property(ele);
+    });
     connect(ui->btnPagePre, &QPushButton::clicked, this, [&]() {
         unsigned int cur = ui->edCurPage->text().toUInt();
         push_content(current_, cur - 1);
@@ -75,24 +78,6 @@ void MainWidget::copy_key()
     CUtil::msg(this, u8"已复制");
 }
 
-void MainWidget::edit_property()
-{
-    Element_t* target = get_current_select_key();
-    if (target == nullptr) {
-        return;
-    }
-    Property_t property;
-    xml_.get_key_value(target, property);
-    attri_edit_->set_attribute(property, false);
-    attri_edit_->exec();
-
-    if (!attri_edit_->is_ok_) {
-        return;
-    }
-    attri_edit_->get_attribute(property);
-    xml_.key_value_to_element(target, property);
-}
-
 void MainWidget::closeEvent(QCloseEvent* event)
 {
     QSettings settings;
@@ -104,8 +89,7 @@ void MainWidget::closeEvent(QCloseEvent* event)
 
 void MainWidget::keyPressEvent(QKeyEvent* event)
 {
-    switch (event->key())
+    switch (event->key()) {
-    {
     case Qt::Key_Return:
         search();
         break;
@@ -325,18 +309,10 @@ void MainWidget::copy_select_line()
     }
     Element_t* newer = xml_.copy_element(target);
 
-    Property_t property;
+    if (!edit_property(newer)) {
-    xml_.get_key_value(newer, property);
-
-    attri_edit_->set_attribute(property);
-    attri_edit_->exec();
-
-    if (!attri_edit_->is_ok_) {
         return;
     }
 
-    attri_edit_->get_attribute(property);
-    xml_.key_value_to_element(newer, property);
     xml_.insert_brother_node(target, newer);
 
     tab_widget_->insertRow(cur_item->row() + 1);
@@ -353,6 +329,36 @@ void MainWidget::copy_select_line()
     search();
 }
 
+// 返回 true 表示确认编辑了， false 表示取消编辑了。
+bool MainWidget::edit_property(Element_t* target)
+{
+    if (target == nullptr) {
+        return false;
+    }
+
+    Property_t property;
+    xml_.get_key_value(target, property);
+
+    attri_edit_->set_attribute(property);
+    attri_edit_->exec();
+
+    if (!attri_edit_->is_ok_) {
+        return false;
+    }
+
+    attri_edit_->get_attribute(property);
+    while (xml_.check_key_exists(property)) {
+        CUtil::msg(attri_edit_, u8"不能有相同的key，请检查。");
+        attri_edit_->exec();
+        attri_edit_->get_attribute(property);
+        if (!attri_edit_->is_ok_) {
+            return false;
+        }
+    }
+    xml_.key_value_to_element(target, property);
+    return true;
+}
+
 void MainWidget::insert_one_line(Element_t* ele, int row)
 {
     if (ele == nullptr) {

MainWidget.h

@@ -38,7 +38,7 @@ private:
     void reset();
     void judge_btn_page();
     void copy_key();
-    void edit_property();
+    bool edit_property(Element_t* target);
 
 protected:
     void closeEvent(QCloseEvent* event);

src/attribute_edit.cpp

@@ -6,7 +6,7 @@ CAttributeEdit::CAttributeEdit(QWidget* parent) : QDialog(parent), ui(new Ui::CA
     ui->setupUi(this);
 
     setWindowTitle(u8"属性编辑");
-    setMinimumSize(400, 600);
+    setMinimumSize(600, 760);
 
     connect(ui->btnOk, &QPushButton::clicked, this, &CAttributeEdit::handle_ok);
     connect(ui->btnCancel, &QPushButton::clicked, this, [&]() {
@@ -86,8 +86,8 @@ void CAttributeEdit::init_table()
         table_->setHorizontalHeaderLabels(list);
         table_->setSelectionBehavior(QAbstractItemView::SelectRows);
         table_->setSelectionMode(QAbstractItemView::SelectionMode::SingleSelection);
-        table_->setColumnWidth(0, 80);
+        table_->setColumnWidth(0, 100);
-        table_->setColumnWidth(1, 200);
+        table_->setColumnWidth(1, 250);
         QHBoxLayout* ly = new QHBoxLayout();
         ly->addWidget(table_);
         ui->widget->setLayout(ly);

src/xml_opr.cpp

@@ -21,6 +21,14 @@ bool CXmlOpr::parse_xml(std::vector<tinyxml2::XMLElement*>& vec)
 {
     std::string next_node{};
     std::string node_path = opr_base_.node_path;
+    keys_.clear();
+    auto keys = splitString(opr_base_.purpose, ",");
+    for (const auto& item : keys) {
+        if (item.empty()) {
+            continue;
+        }
+        keys_.push_back(item);
+    }
 
     auto nodes = splitString(opr_base_.node_path, "/");
     for (const auto& item : nodes) {
@@ -71,6 +79,22 @@ void CXmlOpr::del_element(Element_t* ele)
     parent_node_->DeleteChild(ele);
 }
 
+bool CXmlOpr::check_key_exists(const Property_t& property)
+{
+    if (keys_.size() < 1 || property.size() < 1) {
+        return false;
+    }
+    Element_t* purpose_node = parent_node_->FirstChildElement(opr_base_.the_node.c_str());
+    while (purpose_node) {
+        const char* value = purpose_node->Attribute(keys_[0].c_str());
+        if (property[0].value == std::string(value)) {
+            return true;
+        }
+        purpose_node = purpose_node->NextSiblingElement();
+    }
+    return false;
+}
+
 bool CXmlOpr::save()
 {
     auto ret = doc_.SaveFile(xml_path_.c_str());

src/xml_opr.h

@@ -28,6 +28,7 @@ public:
     void       insert_brother_node(Element_t* brother, Element_t* newer);
     Element_t* copy_element(Element_t* ele);
     void       del_element(Element_t* ele);
+    bool       check_key_exists(const Property_t& property);
     bool       save();
 
 public:
@@ -35,10 +36,11 @@ public:
     void key_value_to_element(Element_t* ele, const Property_t& vec);
 
 private:
-    tinyxml2::XMLDocument doc_{};
+    tinyxml2::XMLDocument    doc_{};
-    OprBase               opr_base_{};
+    OprBase                  opr_base_{};
-    std::string           xml_path_{};
+    std::string              xml_path_{};
-    Element_t*            parent_node_{};
+    Element_t*               parent_node_{};
+    std::vector<std::string> keys_{};
 };
 
 #endif