修复BUG 新增黑名单

修复在添加白名单时添加一条‘目标端口：任意’的BUG
新增黑名单增删功能，增加黑名单时会先将其从白名单中删除

dal.cpp

@@ -88,6 +88,16 @@ QList<WhiteListItem> DAL::getWhiteList(QString ip)
     return whitelist;
 }
 
+void DAL::removeFromWhiteList(QString ip)
+{
+    QString sql = QString("DELETE FROM whitelist WHERE IP=?");
+    QSqlQuery query;
+    query.prepare(sql);
+    query.addBindValue(ip);
+    if(!query.exec())
+        qCritical()<<query.lastError();
+}
+
 void DAL::removeFromWhiteList(QString ip, QList<int> ports)
 {
     QString portStr = QString("%1").arg(ports[0]);
@@ -130,7 +140,10 @@ bool DAL::addItemToBlackList(int port)
 {
     return addItemToBlackList("any", port);
 }
-
+bool DAL::addItemToBlackList(QString ip)
+{
+    return addItemToBlackList(ip, -1);
+}
 bool DAL::addItemToBlackList(QString ip, int port)
 {
     QSqlQuery query;
@@ -145,6 +158,16 @@ bool DAL::addItemToBlackList(QString ip, int port)
     return true;
 }
 
+void DAL::removeFromBlackList(QString ip)
+{
+    QString sql = QString("DELETE FROM blacklist WHERE IP=?");
+    QSqlQuery query;
+    query.prepare(sql);
+    query.addBindValue(ip);
+    if(!query.exec())
+        qCritical()<<query.lastError();
+}
+
 QString DAL::getPortList()
 {
     QSqlQuery query;