public static XmlElement generateValuesSelective(List<IntrospectedColumn> columns, String prefix) {
        return generateValuesSelective(columns, prefix, true);
    }
public static XmlElement generateValuesSelective(List<IntrospectedColumn> columns, String prefix) {
        return generateValuesSelective(columns, prefix, true);
    }
public static XmlElement generateValuesSelective ( List < IntrospectedColumn > columns , String prefix ) { return generateValuesSelective ( columns , prefix , true ) ; }
生成values Selective Ele
@param columns
@param prefix
@return
生成values Selective Ele