Oracle用XSD编写具有智能提醒的XML文件(以SQL-MAP脚本为实例)

   
SQL-MAP是PDF.NET(PWMIS数据开发框架)具有特色之开发技术,它好拿SQL语句映射成DAL代码,而且会不辱使命无需IDAL和DalFactory自动切换数据库及另外一个数据库系统,比如SqlServer切换到Oralcle,有关SQL-MAP的正统请看这里,为什么而运用这种技术,请看“抽象SQL(参数化)查询
”。

   
从上面的正规化看到,要手写一个SQL-MAP文件或者比较复杂,虽然框架提供了SQL-MAP配置文件管理器,但它们至关重要适用于新手用,用起来效率不是异常高,这个时刻就需要发出一个足只能提示XML文件编制的事物了,这便是SqlMap.xsd,下面贴出拖欠公文之流行完整内容:

 

Oracle 1Oracle 2SqlMap.XSD

<?xml version=”1.0″ encoding=”utf-8″ ?>
<xs:schema attributeFormDefault=”unqualified” elementFormDefault=”qualified” xmlns:xs=”http://www.w3.org/2001/XMLSchema"&gt;
    <xs:simpleType name=”enumCmdType” >
        <xs:restriction base =”xs:string”>
            <xs:enumeration value =”Text”></xs:enumeration>
            <xs:enumeration value =”StoredProcedure”></xs:enumeration>
            <xs:enumeration value =”Table”></xs:enumeration>
        </xs:restriction>
    </xs:simpleType>
    <xs:simpleType name=”enumResultClass” >
        <xs:restriction base =”xs:string”>
            <xs:enumeration value =”ValueType”></xs:enumeration>
            <xs:enumeration value =”DataSet”></xs:enumeration>
            <xs:enumeration value =”EntityObject”></xs:enumeration>
            <xs:enumeration value =”EntityList”></xs:enumeration>
        </xs:restriction>
    </xs:simpleType>
    <xs:simpleType name=”enumScriptType” >
        <xs:restriction base =”xs:string”>
            <xs:enumeration value =”Access”></xs:enumeration>
            <xs:enumeration value =”SqlServer”></xs:enumeration>
            <xs:enumeration value =”SqlServerCe”></xs:enumeration>
            <xs:enumeration value =”Oracle”></xs:enumeration>
            <xs:enumeration value =”DB2″></xs:enumeration>
            <xs:enumeration value =”Sysbase”></xs:enumeration>
            <xs:enumeration value =”MySql”></xs:enumeration>
            <xs:enumeration value =”SQLite”></xs:enumeration>
            <xs:enumeration value =”PostgreSQL”></xs:enumeration>
            <xs:enumeration value =”UNKNOWN”></xs:enumeration>
        </xs:restriction>
    </xs:simpleType>
    <xs:element name=”SqlMap”>
        <xs:complexType>
            <xs:sequence>
                <xs:element maxOccurs=”unbounded” name=”Script”>
                    <xs:complexType>
                         <xs:sequence>
                            <xs:element maxOccurs=”unbounded” name=”CommandClass”>
                                <xs:complexType>
                                    <xs:sequence>
                                        <xs:choice maxOccurs=”unbounded”>
                                            <xs:element maxOccurs=”unbounded” name=”Select”>
                                                <xs:complexType>
                                                    <xs:simpleContent>
                                                        <xs:extension base=”xs:string”>
                                                            <xs:attribute name=”CommandName” type=”xs:string” use=”required” />
                                                            <xs:attribute name=”CommandType” type=”enumCmdType” use=”required” />
                                                            <xs:attribute name=”Method” type=”xs:string” use=”required” />
                                                            <xs:attribute name=”Description” type=”xs:string” use=”required” />
                                                            <xs:attribute name=”ResultClass” type=”enumResultClass” use=”optional”  default=”DataSet”/>
                                                            <xs:attribute name=”ResultMap” type=”xs:string” use=”optional” />
                                                            <xs:attribute name=”SqlPage” type=”xs:string” use=”optional” default=”False”/>
                                                        </xs:extension>
                                                    </xs:simpleContent>
                                                </xs:complexType>
                                            </xs:element>
                                            <xs:element name=”Insert”>
                                                <xs:complexType>
                                                    <xs:simpleContent>
                                                        <xs:extension base=”xs:string”>
                                                            <xs:attribute name=”CommandName” type=”xs:string” use=”required” />
                                                            <xs:attribute name=”CommandType” type=”enumCmdType” use=”required” />
                                                            <xs:attribute name=”Method” type=”xs:string” use=”required” />
                                                            <xs:attribute name=”Description” type=”xs:string” use=”required” />
                                                        </xs:extension>
                                                    </xs:simpleContent>
                                                </xs:complexType>
                                            </xs:element>
                                            <xs:element name=”Update”>
                                                <xs:complexType>
                                                    <xs:simpleContent>
                                                        <xs:extension base=”xs:string”>
                                                            <xs:attribute name=”CommandName” type=”xs:string” use=”required” />
                                                            <xs:attribute name=”CommandType” type=”enumCmdType” use=”required” />
                                                            <xs:attribute name=”Method” type=”xs:string” use=”required” />
                                                            <xs:attribute name=”Description” type=”xs:string” use=”required” />
                                                        </xs:extension>
                                                    </xs:simpleContent>
                                                </xs:complexType>
                                            </xs:element>
                                            <xs:element name=”Delete”>
                                                <xs:complexType>
                                                    <xs:simpleContent>
                                                        <xs:extension base=”xs:string”>
                                                            <xs:attribute name=”CommandName” type=”xs:string” use=”required” />
                                                            <xs:attribute name=”CommandType” type=”enumCmdType” use=”required” />
                                                            <xs:attribute name=”Method” type=”xs:string” use=”required” />
                                                            <xs:attribute name=”Description” type=”xs:string” use=”required” />
                                                        </xs:extension>
                                                    </xs:simpleContent>
                                                </xs:complexType>
                                            </xs:element>
                                        </xs:choice>
                                    </xs:sequence>
                                    <xs:attribute name=”Name” type=”xs:string” use=”required” />
                                    <xs:attribute name=”Class” type=”xs:string” use=”required” />
                                    <xs:attribute name=”Interface” type=”xs:string” use=”optional” />
                                    <xs:attribute name=”Description” type=”xs:string” use=”required” />
                                </xs:complexType>
                            </xs:element>
                        </xs:sequence>
                        <xs:attribute name=”Type” type=”enumScriptType” use=”required”  />
                        <xs:attribute name=”Version” type=”xs:string” use=”optional” />
                        <xs:attribute name=”ConnectionString” type=”xs:string” use=”optional” />
                    </xs:complexType>
                </xs:element>
            </xs:sequence>
            <xs:attribute name=”EmbedAssemblySource” type=”xs:string” use=”optional” />
        </xs:complexType>
    </xs:element>
</xs:schema>

顾文件被的simpleType
,它表示定义一个自定义的简练类型,在XSD文件的节点受到使 type
属性来引用它即可。

正文中定义了三独由定义类型enumCmdType,enumResultClass,enumScriptType
,而且是枚举类型(使用xs:enumeration 定义),这样于XML文件中就可以起“下拉选择”的唤起意义了。

以节点性被,use=”required”
表示要的性能,use=”optional”  表示只是挑选的性。

整个XSD文件的修而留意的为即如此多,编写起来要比较简单的。

 

产生了此XSD文件,在确立之Sql-Map配置文件的<sqlmap>
标签中,加入者XSD的采用声明,就能够看到智能提醒的成效了。

 

<SqlMap  

        xmlns:xsi=”http://www.w3.org/2001/XMLSchema-instance”
        xsi:noNamespaceSchemaLocation=”SqlMap.xsd”>
<!– 于底下敲入尖括号,就可知产出时节点区域外的应当编写的情节,来试吧 –>

</SqlMap>

发出了这SqlMap.config文件,就可知以代码生成器自动生成DAL代码了。

PDF.NET代码生成器下载地址(包含框架下的总体示例),下载后要圈中间的认证。

苟程序的数据库无法开拓,请看连接字符串是否科学,或者将它们附加到SQLSERVER实例上:

connectionString=”Data
Source=.\SQLEXPRESS;AttachDbFilename=~\App_Data\PDFTest.mdf;Integrated
Security=True;Connect Timeout=30;User Instance=True”

 

下载好后,将本文的SqlMap.xsd内容复制下来别存为文件即可,注意文件目录,如果该XSD文件与SqlMap.config文件不在与一个,需要改下面的路径:

xsi:noNamespaceSchemaLocation=”SqlMap.xsd”

 

至于PDF.NET框架的详尽内容,请看本身的博客相关内容要查看官网:http://www.pwmis.com/sqlmap

 

 

 

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