fix：1.修正同结构导入问题。2.历史界面添加删除。3.导入排序问题。

src/history.h

@@ -13,11 +13,11 @@ public:
 public:
     bool push(const std::string& content);
     bool get_history(std::vector<std::string>& vec);
+    bool read_file(std::vector<std::string>& vec);
+    bool write_file(std::vector<std::string>& vec);
 
 private:
     void default_set();
-    bool read_file(std::vector<std::string>& vec);
-    bool write_file(std::vector<std::string>& vec);
 
 private:
     std::string work_dir_{};

src/uhistory.cpp

@@ -10,6 +10,7 @@ CUIHistory::CUIHistory(QWidget* parent, CHistory* his) : QDialog(parent), ui(new
 
     connect(ui->btnExit, &QPushButton::clicked, this, [&]() { close(); });
     connect(ui->btnOk, &QPushButton::clicked, this, [&]() { select_ok(); });
+    connect(ui->btnDel, &QPushButton::clicked, this, [&]() { del_item(); });
 }
 
 CUIHistory::~CUIHistory()
@@ -42,3 +43,22 @@ void CUIHistory::select_ok()
     cur_ = re[0]->text();
     close();
 }
+
+void CUIHistory::del_item()
+{
+    auto re = ui->listWidget->selectedItems();
+    if (re.empty()) {
+        return ;
+    }
+    for (auto& item : re) {
+        delete ui->listWidget->takeItem(ui->listWidget->row(item));
+    }
+    std::vector<std::string> vec;
+    for (int i = 0; i < ui->listWidget->count(); ++i) {
+        QListWidgetItem* item = ui->listWidget->item(i);
+        if (item) {
+            vec.push_back(item->text().toStdString());
+        }
+    }
+    his_->write_file(vec);
+}

src/uhistory.h

@@ -19,6 +19,7 @@ public:
 private:
     void showEvent(QShowEvent* event);
     void select_ok();
+    void del_item();
 
 public:
     QString cur_{};

src/uhistory.ui

@@ -32,6 +32,13 @@
        </property>
       </spacer>
      </item>
+     <item>
+      <widget class="QPushButton" name="btnDel">
+       <property name="text">
+        <string>删除</string>
+       </property>
+      </widget>
+     </item>
      <item>
       <widget class="QPushButton" name="btnOk">
        <property name="sizePolicy">

src/xml_opr.cpp

@@ -244,6 +244,7 @@ bool CXmlOpr::import_newer_data(const std::vector<std::string>& vec, std::size_t
         ++success_count;
         auto* nitem = copy_element(item);
         insert_brother_node(last_item, nitem);
+        last_item = nitem;
     }
     return true;
 }