web模块中定义，Tree 视图上组件，每行的字体色：
具体代码如下：
<?xml version="1.0"?>
<tree string="Contact Tags"
decoration-bf="name=='decoration-bf'"
decoration-it="name=='decoration-it'"
decoration-danger="name=='decoration-danger'"
decoration-info="name=='decoration-info'"
decoration-muted="name=='decoration-muted'"
decoration-primary="name=='decoration-primary'"
decoration-success="name=='decoration-success'"
decoration-warning="name=='decoration-warning'">
<field name="display_name"/>
<field name="name"/>
<field name="color"/>
</tree>