Import the DTD and XSD files in eclipse to make the XML prompt automatically

DTD type constraint file
1. window-> preferences-> XML catalog-> user specified entries window, select Add button
2. in the Add XML catalog entry dialog box, select or enter the following:
location: F:/soft/programmingsoft/framework/ibatis/sql-map-config-2.dtd
key type: uri
key: http://ibatis.apache.org/dtd/sql-map-config-2.dtd
XSD type constraint file

1. window-> preferences-> XML catalog-> user specified entries window, select Add button
2. in the Add XML catalog entry dialog box, select or enter the following content:
location: F: /soft/programmingsoft/framework/spring/spring-framework-2.5.6.SEC01-with-dependencies/spring-framework-2.5.6.SEC01/Dist/resources/spring-beans-2.5.xsd
key type: schema location
key: http://www.springframework.org/schema/beans/spring-beans-2.5.xsd