.

lib/database/flutter_db.dart

@@ -23,6 +23,7 @@ class FlutterDb {
      family INTEGER NOT NULL,
      lever FLOAT(2) NOT NULL,
      image VARCHAR(128) NOT NULL,
+     linkWidget TEXT DEFAULT '',
      info VARCHAR(256) NOT NULL
      );"""; //建表语句
 

lib/database/po/widget_po.dart

@@ -12,6 +12,7 @@ class WidgetPo extends Equatable {
   final double lever;
   final String image;
   final String info;
+  final String linkWidget;
 
   const WidgetPo(
       {this.id,
@@ -20,6 +21,7 @@ class WidgetPo extends Equatable {
       this.childCount,
       this.family,
       this.lever,
+      this.linkWidget,
       this.image,
       this.info});
 
@@ -30,8 +32,9 @@ class WidgetPo extends Equatable {
         nameCN: map["nameCN"],
         family: map["family"],
         childCount: map["childCount"],
-        lever: map["lever"],
+        lever: map["lever"].toDouble(),
         image: map["image"],
+        linkWidget: map["linkWidget"],
         info: map["info"]);
   }
 

lib/database/widget_dao.dart

@@ -9,8 +9,8 @@ class WidgetDao {
     final db = await FlutterDb.db.database;
     String addSql = //插入数据
         "INSERT INTO "
-        "widget(id,name,nameCN,childCount,family,lever,image,info) "
-        "VALUES (?,?,?,?,?,?,?,?);";
+        "widget(id,name,nameCN,childCount,family,lever,image,linkWidget,info) "
+        "VALUES (?,?,?,?,?,?,?,?,?);";
     return await db.transaction((tran) async => await tran.rawInsert(addSql, [
           widget.id,
           widget.name,
@@ -19,6 +19,7 @@ class WidgetDao {
           widget.family,
           widget.lever,
           widget.image,
+          widget.linkWidget,
           widget.info
         ]));
   }