Add tr selected class.

src/bootstrap-table.css

@@ -72,6 +72,10 @@
     border-left: none;
 }
 
+.fixed-table-body tbody .selected td {
+    background-color: #d9edf7;
+}
+
 .fixed-table-body .checkbox {
     margin-left: auto;
     margin-right: auto;