查找图层对应id
<qgis>
<layer-tree-group>
<layer-tree-group checked="Qt::Checked" name="xxx" expanded="1">
<customproperties/>
<layer-tree-layer checked="Qt::Checked" name="xxx" id="xxx_993341bc_e8b5_4c57_bfe0_29606d5b0e6f" source="dbname='dbname' host=localhost port=0 user='xxx' sslmode=disable key='gid' srid=4326 type=MultiPolygon checkPrimaryKeyUnicity='1' table="public"."dbname" (geometry)" legend_exp="" providerKey="xxx" legend_split_behavior="0" patch_size="-1,-1" expanded="0">
<customproperties>
<property key="expandedLegendNodes"/>
</customproperties>
</layer-tree-layer>
</layer-tree-group>
</qgis>
在 WFSTLayers 节点下添加键值对
<qgis>
<properties>
<WFSTLayers>
<Delete type="QStringList">
<value>xxx_993341bc_e8b5_4c57_bfe0_29606d5b0e6f</value>
</Delete>
<Insert type="QStringList">
<value>xxx_993341bc_e8b5_4c57_bfe0_29606d5b0e6f</value>
</Insert>
<Update type="QStringList">
<value>xxx_993341bc_e8b5_4c57_bfe0_29606d5b0e6f</value>
</Update>
</WFSTLayers>
</properties>
</qgis>