<sqlMapConfig>
<settings useStatementNamespaces ="true" /> //必须
.......
<sqlMap resource=".../a.xml" />
<sqlMap resource=".../b.xml" />
</sqlMapConfig>
<sqlMapConfig>
<settings useStatementNamespaces ="true" /> //必须
.......
<sqlMap resource=".../a.xml" />
<sqlMap resource=".../b.xml" />
</sqlMapConfig>