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我正在使用食谱交换标记语言。我的任务是扩展 XML-Schema (reml.xsd)。在 reml.xsd 中添加一些新的简单和复杂类型后，我注意到在我的 recipes.xml 中我没有对 reml.xsd 的任何“调用”。我添加了（例如http://www.w3schools.com/schema上的示例）：

 <meal name="Meatballs"
  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:SchemaLocation="reml.xsd"    >

但是添加这些行后我没有看到任何区别。

这是我的代码：.XML

&lt;?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet href="reml.xsl" type="text/xsl"?>


  <reml version="0.5" language="eng" country="us">
 <menu name="Menu"><userData></userData>

  <meal name="Meatballs" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
        xsi:SchemaLocation="reml.xsd"            ><userData></userData>
  <mealItem name="Swedish meatballs" servings="9" prepTime="30 min">
  <userData></userData><createDate>2013-09-26</createDate>
   <updateDate>2013-09-29</updateDate>
   <location locality="Sweden" /><difficulty>Normal</difficulty>
   <procedure>
   <procedureText>In a large bowl, beat eggs and milk. Add bread; mix gently and         stand for 5 
    minutes. Add beef, onion, baking powder, salt and pepper; mix well (mixture  
   will be soft). Shape into 1-in. balls.
   In a large skillet, brown meatballs, a d 
   few at a time, in shortening. Place in an 
   ungreased 3-q. baking dish. In a  
   bowl, stir soups and milk until smooth; pour 
   over meatballs. Bake, uncovered,  
   at 350° for 1 hour. Sprinkle with parsley.
   </procedureText>
   </procedure>
   <fb><usertext>Hej text från user</usertext></fb>
    <author name="Taste of Home " emailAddress="maxin@kth.se"/>
     <nutrition calories="399" />
      <ingredient name="Eggs" quantity-integer="4">
     <IUnit><IUnitArbitrary></IUnitArbitrary></IUnit></ingredient>
      <ingredient name="milk" quantity-integer="1">
    <IUnit><IUnitArbitrary>cup</IUnitArbitrary></IUnit></ingredient>
   <ingredient name="torn white bread" quantity-integer="8">
   <IUnit><IUnitArbitrary>slice</IUnitArbitrary></IUnit></ingredient>
   <ingredient name="ground beef" quantity-integer="2">
    <IUnit><IUnitArbitrary>pound</IUnitArbitrary></IUnit></ingredient>

     <IUnit><IUnitArbitrary>cup</IUnitArbitrary></IUnit></ingredient>
     <ingredient name="pepper" quantity-integer="4">
    <IUnit><IUnitArbitrary>teaspoon</IUnitArbitrary></IUnit></ingredient>
    <ingredient name="shortening" quantity-integer="2">
   <IUnit><IUnitArbitrary>tablespoon</IUnitArbitrary></IUnit></ingredient>
   <ingredient name="condensed cream of chicken soup, undiluted" quantity-integer="2">
   <IUnit><IUnitArbitrary>can</IUnitArbitrary></IUnit></ingredient>
          <ingredient name="condensed cream of mushroom soup, 
        undiluted"              quantity              integer="2">
     <IUnit><IUnitArbitrary>can</IUnitArbitrary></IUnit></ingredient>
    <ingredient name="evaporated milk" quantity-integer="1">
         <IUnit><IUnitArbitrary>can</IUnitArbitrary></IUnit></ingredient>
        <ingredient name="Minced fresh parsley" quantity-integer="2">
        <IUnit><IUnitArbitrary>ton</IUnitArbitrary></IUnit></ingredient>
    <category><CategoryArbitrary>Swedish dishes</CategoryArbitrary></category>
  <feedback><usertext> *Jag tycker bla bla * asdasd </usertext></feedback></mealItem>

    </meal>
     </menu>
     </reml>

我的 .XSD 来了：

<?xml version="1.0"?>
   <xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"

  >
<xsd:annotation>
    <xsd:documentation xml:lang="en">
The REML schema for the food recipe exchange markup language.
Version 0.5, copyright 2005, Gary Gocek, all rights reserved.
Full permission granted to freely use, redistribute and promote
this schema.  Please retain the copyright notice.
When updating, add the new version number to the VersionType
enumeration. This supports backward compatibilty.
Home: http://www.sourceforge.net/projects/reml/
    </xsd:documentation>
</xsd:annotation>
<xsd:element name="reml" type="remlType" />
<xsd:complexType name="remlType">
    <xsd:annotation>
        <xsd:documentation xml:lang="en">
The type definition of the root reml element.
The root element has the attributes version, language and country.
The root element contains the elements vendor, vendorData and menu.
        </xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
        <xsd:element name="vendor" type="VendorType" minOccurs="0"
                    maxOccurs="unbounded" />
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
                maxOccurs="unbounded" />
        <xsd:element name="menu" type="MenuType" minOccurs="1" 
              maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="version" type="VersionType" use="required" />
    <xsd:attribute name="language" type="xsd:string" use="optional"  
          default="eng" />
    <xsd:attribute name="country" type="xsd:string" use="optional"     
        default="us" />
</xsd:complexType>
<xsd:simpleType name="VersionType">
    <xsd:restriction base="xsd:string">
        <xsd:enumeration value="0.1" />
        <xsd:enumeration value="0.2" />
        <xsd:enumeration value="0.3" />
        <xsd:enumeration value="0.4" />
        <xsd:enumeration value="0.5" />
    </xsd:restriction>
</xsd:simpleType>
<xsd:complexType name="VendorType">
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
              maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="name" type="xsd:string" use="required" />
    <xsd:attribute name="emailAddress" type="xsd:string" use="optional" />
    <xsd:attribute name="postalAddress" type="xsd:string" use="optional" />
    <xsd:attribute name="phoneNumber" type="xsd:string" use="optional" />
    <xsd:attribute name="URL" type="xsd:string" use="optional" />
</xsd:complexType>
<xsd:complexType name="MenuType">
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
              maxOccurs="unbounded" />
        <xsd:element name="userData" type="xsd:string" minOccurs="0" 
                  maxOccurs="unbounded" />
        <xsd:element name="location" type="LocationType" 
           minOccurs="0"                maxOccurs="unbounded" />
        <xsd:element name="meal" type="MealType" minOccurs="0"  
                 maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="name" type="xsd:string" use="required" />
</xsd:complexType>
<xsd:complexType name="LocationType">
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
            maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="country" type="xsd:string" use="optional" />
    <xsd:attribute name="region" type="xsd:string" use="optional" />
    <xsd:attribute name="locality" type="xsd:string" use="optional" />
    <xsd:attribute name="useWhenCurrent" type="xsd:boolean" use="optional" 
              default="true" />
</xsd:complexType>
<xsd:complexType name="ScheduleType">
    <xsd:annotation>
        <xsd:documentation xml:lang="en">
            A dateTime looks like   1999-05-31T13:20:00.000-05:00
        </xsd:documentation>
    </xsd:annotation>
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
              maxOccurs="unbounded" />
        <xsd:element name="nextPrepDate" type="xsd:dateTime" minOccurs="0" 
             maxOccurs="1" />
    </xsd:sequence>
</xsd:complexType>
<xsd:complexType name="MealType">
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
         maxOccurs="unbounded" />
        <xsd:element name="userData" type="xsd:string" minOccurs="0" 
            maxOccurs="unbounded" />
        <xsd:element name="location" type="LocationType" minOccurs="0"
               maxOccurs="unbounded" />
        <xsd:element name="cost" type="CostType" minOccurs="0" 
                    maxOccurs="1" />
        <xsd:element name="mealItem" type="MealItemType" minOccurs="0"
                  maxOccurs="unbounded" />
        <xsd:element name="schedule" type="ScheduleType" minOccurs="0" 
               maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="name" type="xsd:string" use="optional" />
    <xsd:attribute name="servings" type="xsd:long" use="optional" />
</xsd:complexType>
<xsd:complexType name="CostType">
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0"
        maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="unitAmount" type="xsd:decimal" use="optional" />
    <xsd:attribute name="totalAmount" type="xsd:decimal" use="optional" />
    <xsd:attribute name="currency" type="xsd:string" use="optional" />
</xsd:complexType>
<xsd:complexType name="MealItemType">
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
         maxOccurs="unbounded" />
        <xsd:element name="userData" type="xsd:string" minOccurs="0" 
              maxOccurs="unbounded" />
        <xsd:element name="createDate" type="xsd:date" minOccurs="0" 
                     maxOccurs="1" />
        <xsd:element name="updateDate" type="xsd:date" minOccurs="0" 
             maxOccurs="1" />
        <xsd:element name="location" type="LocationType" minOccurs="0" 
               maxOccurs="unbounded" />
        <xsd:element name="cost" type="CostType" minOccurs="0" 
               maxOccurs="1" />
        <xsd:element name="difficulty" type="DifficultyType" minOccurs="0" 
              maxOccurs="1" />
        <xsd:element name="procedure" type="ProcedureType" minOccurs="0"
                          maxOccurs="unbounded" />
        <xsd:element name="fb" type="FeedBack" minOccurs="0" 
                 maxOccurs="unbounded" />
        <xsd:element name="author" type="AuthorType" minOccurs="0" 
                maxOccurs="unbounded" />
        <xsd:element name="nutrition" type="NutritionType" minOccurs="0" 
                maxOccurs="1" />
        <xsd:element name="ingredient" type="IngredientType" minOccurs="0" 
               maxOccurs="unbounded" />
        <xsd:element name="category" type="CategoryType" minOccurs="0" 
             maxOccurs="unbounded" />
        <xsd:element name="schedule" type="ScheduleType" minOccurs="0" 
               maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="name" type="xsd:string" use="required" />
    <xsd:attribute name="servings" type="xsd:long" use="optional" />
    <xsd:attribute name="pictureFile" type="xsd:string" use="optional" />
    <xsd:attribute name="prepTime" type="xsd:string" use="optional" />
    <xsd:attribute name="procedureTime" type="xsd:string" use="optional" />
</xsd:complexType>
<xsd:simpleType name="DifficultyType">
    <xsd:restriction base="xsd:string">
        <xsd:enumeration value="Beginner" />
        <xsd:enumeration value="Normal" />
        <xsd:enumeration value="Expert" />
    </xsd:restriction>
</xsd:simpleType>
<xsd:complexType name="ProcedureType">
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
              maxOccurs="unbounded" />
        <xsd:element name="prepText" type="xsd:string" minOccurs="0" 
              maxOccurs="1" />
        <xsd:element name="procedureText" type="xsd:string" minOccurs="0" 
                maxOccurs="1" />
        <xsd:element name="location" type="LocationType" minOccurs="0" 
                maxOccurs="unbounded" />
    </xsd:sequence>
</xsd:complexType>
<xsd:complexType name="FeedBack">
    <xsd:sequence>
        <xsd:element name="usertext" type="xsd:string" minOccurs="0" 
          maxOccurs="1" />

    </xsd:sequence>
</xsd:complexType>
<xsd:complexType name="AuthorType">
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
        maxOccurs="unbounded" />

    </xsd:sequence>
    <xsd:attribute name="name" type="xsd:string" use="required" />
    <xsd:attribute name="emailAddress" type="xsd:string" use="required" />
    <xsd:attribute name="postalAddress" type="xsd:string" use="optional" />
    <xsd:attribute name="phoneNumber" type="xsd:string" use="optional" />
    <xsd:attribute name="URL" type="xsd:string" use="optional" />
</xsd:complexType>
<xsd:complexType name="IngredientType">
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
                 maxOccurs="unbounded" />
        <xsd:element name="userData" type="xsd:string" minOccurs="0"
            maxOccurs="unbounded" />
        <xsd:element name="location" type="LocationType" minOccurs="0"
                 maxOccurs="unbounded" />
        <xsd:element name="cost" type="CostType" minOccurs="0" 
                     maxOccurs="1" />
        <xsd:element name="nutrition" type="NutritionType" minOccurs="0" 
                maxOccurs="1" />
        <xsd:element name="substitute" type="SubstituteType" minOccurs="0"
                     maxOccurs="1" />
        <xsd:element name="IUnit" type="IUnitType" minOccurs="0" 
                      maxOccurs="1" />
    </xsd:sequence>
    <xsd:attribute name="name" type="xsd:string" use="required" />
    <xsd:attribute name="quantity-integer" type="xsd:long" use="optional" />
    <xsd:attribute name="quantity-numerator" type="xsd:long" use="optional" />
    <xsd:attribute name="quantity-denominator" type="xsd:long" use="optional" 
            />
</xsd:complexType>
<xsd:complexType name="SubstituteType">
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
                   maxOccurs="unbounded" />
        <xsd:element name="userData" type="xsd:string" minOccurs="0" 
                      maxOccurs="unbounded" />
        <xsd:element name="IUnit" type="IUnitType" minOccurs="0" 
                 maxOccurs="1" />
    </xsd:sequence>
    <xsd:attribute name="name" type="xsd:string" use="required" />
    <xsd:attribute name="quantity-integer" type="xsd:long" use="optional" />
    <xsd:attribute name="quantity-numerator" type="xsd:long" use="optional" />
    <xsd:attribute name="quantity-denominator" type="xsd:long" 
               use="optional"    />
</xsd:complexType>
<xsd:complexType name="NutritionType">
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
                        maxOccurs="unbounded" />
        <xsd:element name="nutritionItem" type="NutritionItemType" 
                     minOccurs="0" maxOccurs="unbounded" />
    </xsd:sequence>
    <xsd:attribute name="calories" type="xsd:decimal" use="optional" />
    <xsd:attribute name="pctCalFromFat" type="xsd:decimal" use="optional" />
    <xsd:attribute name="pctCalFromProtein" type="xsd:decimal" use="optional" 
                 />
    <xsd:attribute name="pctCalFromCarbs" type="xsd:decimal" use="optional" />
</xsd:complexType>
<xsd:complexType name="NutritionItemType">
    <xsd:sequence>
        <xsd:element name="vendorData" type="xsd:string" minOccurs="0" 
                    maxOccurs="unbounded" />
        <xsd:element name="NUnit" type="NUnitType" minOccurs="0" 
                  maxOccurs="1" />
    </xsd:sequence>
    <xsd:attribute name="name" type="xsd:string" use="optional" />
    <xsd:attribute name="pctDailyReq" type="xsd:decimal" use="optional" />
    <xsd:attribute name="amount" type="xsd:decimal" use="optional" />
</xsd:complexType>
<xsd:complexType name="NUnitType">
    <xsd:choice>
        <xsd:element name="NUnitArbitrary" type="xsd:string" />
        <xsd:element name="NUnitEnum" type="NUnitEnumType" />
    </xsd:choice>
</xsd:complexType>
<xsd:simpleType name="NUnitEnumType">
    <xsd:restriction base="xsd:string">
        <xsd:enumeration value="gram" />
        <xsd:enumeration value="g" />
      <xsd:enumeration value="ton" />
        <xsd:enumeration value="microgram" />
        <xsd:enumeration value="mcg" />
        <xsd:enumeration value="milligram" />
        <xsd:enumeration value="mg" />
        <xsd:enumeration value="kilogram" />
        <xsd:enumeration value="kg" />
        <xsd:enumeration value="joule" />
        <xsd:enumeration value="kilojoule" />
        <xsd:enumeration value="calorie" />

        <xsd:enumeration value="InternationalUnit" />
        <xsd:enumeration value="IU" />
        <xsd:enumeration value="" />
    </xsd:restriction>
</xsd:simpleType>
<xsd:complexType name="IUnitType">
    <xsd:choice>
        <xsd:element name="IUnitArbitrary" type="xsd:string" />
        <xsd:element name="IUnitEnum" type="IUnitEnumType" />
    </xsd:choice>
</xsd:complexType>
<xsd:simpleType name="IUnitEnumType">
    <xsd:restriction base="xsd:string">
        <xsd:enumeration value="bag" />
        <xsd:enumeration value="ton" />
        <xsd:enumeration value="barrel" />
        <xsd:enumeration value="bottle" />
        <xsd:enumeration value="box" />
        <xsd:enumeration value="bunch" />
        <xsd:enumeration value="bushel" />
        <xsd:enumeration value="can" />
        <xsd:enumeration value="case" />
        <xsd:enumeration value="centimeter" />
        <xsd:enumeration value="cm" />
        <xsd:enumeration value="clove" />
        <xsd:enumeration value="cup" />
        <xsd:enumeration value="C" />
        <xsd:enumeration value="dash" />
        <xsd:enumeration value="drum" />
        <xsd:enumeration value="ear" />

        <xsd:enumeration value="gallon" />
        <xsd:enumeration value="gal" />
        <xsd:enumeration value="gram" />
        <xsd:enumeration value="g" />
        <xsd:enumeration value="handful" />
        <xsd:enumeration value="inch" />
        <xsd:enumeration value="in" />
        <xsd:enumeration value="jar" />
        <xsd:enumeration value="kilogram" />
        <xsd:enumeration value="kg" />
        <xsd:enumeration value="kilometer" />
        <xsd:enumeration value="k" />
        <xsd:enumeration value="lb" />
        <xsd:enumeration value="liter" />
        <xsd:enumeration value="li" />
        <xsd:enumeration value="meter" />
        <xsd:enumeration value="m" />
        <xsd:enumeration value="mile" />
        <xsd:enumeration value="mi" />
        <xsd:enumeration value="milliliter" />
        <xsd:enumeration value="ml" />
        <xsd:enumeration value="millimeter" />
        <xsd:enumeration value="mm" />
        <xsd:enumeration value="ounce" />
        <xsd:enumeration value="oz" />
        <xsd:enumeration value="package" />
        <xsd:enumeration value="pkg" />
        <xsd:enumeration value="part" />
        <xsd:enumeration value="peck" />
        <xsd:enumeration value="piece" />
        <xsd:enumeration value="pinch" />
        <xsd:enumeration value="pint" />
        <xsd:enumeration value="pt" />
        <xsd:enumeration value="pound" />
        <xsd:enumeration value="quart" />
        <xsd:enumeration value="qt" />
        <xsd:enumeration value="shot" />
        <xsd:enumeration value="slice" />
        <xsd:enumeration value="sprig" />
        <xsd:enumeration value="stick" />
        <xsd:enumeration value="splash" />
        <xsd:enumeration value="tablespoon" />
        <xsd:enumeration value="tbsp" />
        <xsd:enumeration value="T" />
        <xsd:enumeration value="teaspoon" />
        <xsd:enumeration value="tsp" />
        <xsd:enumeration value="t" />
        <xsd:enumeration value="yard" />
        <xsd:enumeration value="yd" />
        <xsd:enumeration value="" />
    </xsd:restriction>
</xsd:simpleType>
<xsd:complexType name="CategoryType">
    <xsd:choice>
        <xsd:element name="CategoryArbitrary" type="xsd:string" />
        <xsd:element name="CategoryEnum" type="CategoryEnumType" />
    </xsd:choice>
</xsd:complexType>
<xsd:simpleType name="CategoryEnumType">
     <xsd:restriction base="xsd:string">
        <xsd:enumeration value="appetizer" />
        <xsd:enumeration value="beef" />
        <xsd:enumeration value="beverage" />
        <xsd:enumeration value="bread" />
        <xsd:enumeration value="cocktail" />
        <xsd:enumeration value="dairy" />
        <xsd:enumeration value="dessert" />
        <xsd:enumeration value="meat" />
        <xsd:enumeration value="pork" />
        <xsd:enumeration value="poultry" />
        <xsd:enumeration value="sauce" />
        <xsd:enumeration value="seafood" />
        <xsd:enumeration value="shellfish" />
        <xsd:enumeration value="soup" />
        <xsd:enumeration value="steak" />
        <xsd:enumeration value="tofu or soy" />
        <xsd:enumeration value="veal" />
        <xsd:enumeration value="vegetarian" />
        <xsd:enumeration value="quick and easy" />
        <xsd:enumeration value="just for fun" />
        <xsd:enumeration value="picnic" />
        <xsd:enumeration value="winter favorite" />
        <xsd:enumeration value="spring favorite" />
         <xsd:enumeration value="summer favorite" />
        <xsd:enumeration value="autumn favorite" />
        <xsd:enumeration value="sports themed" />
        <xsd:enumeration value="super bowl" />
        <xsd:enumeration value="holiday" />
        <xsd:enumeration value="christmas" />
        <xsd:enumeration value="halloween" />
        <xsd:enumeration value="thanksgiving" />
        <xsd:enumeration value="july 4" />
        <xsd:enumeration value="new year" />
        <xsd:enumeration value="easter" />
        <xsd:enumeration value="hannukah" />
        <xsd:enumeration value="yom kippur" />
        <xsd:enumeration value="rosh hashanah" />
        <xsd:enumeration value="kwanzaa" />
        <xsd:enumeration value="breakfast" />
        <xsd:enumeration value="lunch" />
        <xsd:enumeration value="brunch" />
        <xsd:enumeration value="dinner" />
        <xsd:enumeration value="weekend" />
        <xsd:enumeration value="college student" />
        <xsd:enumeration value="ethnic" />
        <xsd:enumeration value="african" />
        <xsd:enumeration value="american" />
        <xsd:enumeration value="asian" />
        <xsd:enumeration value="cajun" />
        <xsd:enumeration value="canadian" />
        <xsd:enumeration value="chinese" />
        <xsd:enumeration value="creole" />
        <xsd:enumeration value="european" />
        <xsd:enumeration value="french" />
        <xsd:enumeration value="german" />
        <xsd:enumeration value="greek" />
        <xsd:enumeration value="hawaiian" />
        <xsd:enumeration value="italian" />
        <xsd:enumeration value="japanese" />
        <xsd:enumeration value="kosher" />
        <xsd:enumeration value="mediterranean" />
         <xsd:enumeration value="mexican" />
         <xsd:enumeration value="middle eastern" />
        <xsd:enumeration value="polish" />
        <xsd:enumeration value="russian" />
         <xsd:enumeration value="south american" />
        <xsd:enumeration value="spanish" />
        <xsd:enumeration value="thai" />
        <xsd:enumeration value="ukranian" />
            </xsd:restriction>
                 </xsd:simpleType>

          </xsd:schema>

我也有一个样式表，但它已经有文件了，我没有对它做任何更改，所以我不发布它。我的文件已上传，因此您可以查看我的 recipes.xml 的外观： http ://dayoda01.hostkart.net/recipes(1).xml

我的问题是：我误解了什么？我很确定错误在于我与 XML Shema 的链接。

4

1 回答 1

0

当您希望为不使用名称空间的 XSD 提供位置提示时，您必须使用noNamespaceSchemaLocation属性。

示例（来自链接资源）：

<person xmlns:xsi= "http://www.w3.org/2001/XMLSchema-instance"
   xsi:noNamespaceSchemaLocation="http://adventure-works.com/schemas/person.xsd">
   <name>John</name>
   <height>59</height>
</person>

我已经清理了 XML：

<?xml version="1.0" encoding="utf-8"?>
<?xml-stylesheet href="reml.xsl" type="text/xsl"?>
<reml version="0.5" language="eng" country="us" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="reml.xsd">
    <menu name="Menu">
        <userData></userData>

        <meal name="Meatballs">
            <userData></userData>
            <mealItem name="Swedish meatballs" servings="9" prepTime="30 min">
                <userData></userData>
                <createDate>2013-09-26</createDate>
                <updateDate>2013-09-29</updateDate>
                <location locality="Sweden"/>
                <difficulty>Normal</difficulty>
                <procedure>
                    <procedureText>In a large bowl, beat eggs and milk. Add bread; mix gently and         stand for 5
                        minutes. Add beef, onion, baking powder, salt and pepper; mix well (mixture
                        will be soft). Shape into 1-in. balls.
                        In a large skillet, brown meatballs, a d
                        few at a time, in shortening. Place in an
                        ungreased 3-q. baking dish. In a
                        bowl, stir soups and milk until smooth; pour
                        over meatballs. Bake, uncovered,
                        at 350° for 1 hour. Sprinkle with parsley.
                    </procedureText>
                </procedure>
                <fb>
                    <usertext>Hej text från user</usertext>
                </fb>
                <author name="Taste of Home " emailAddress="maxin@kth.se"/>
                <nutrition calories="399"/>
                <ingredient name="Eggs" quantity-integer="4">
                    <IUnit>
                        <IUnitArbitrary></IUnitArbitrary>
                    </IUnit>
                </ingredient>
                <ingredient name="milk" quantity-integer="1">
                    <IUnit>
                        <IUnitArbitrary>cup</IUnitArbitrary>
                    </IUnit>
                </ingredient>
                <ingredient name="torn white bread" quantity-integer="8">
                    <IUnit>
                        <IUnitArbitrary>slice</IUnitArbitrary>
                    </IUnit>
                </ingredient>
                <ingredient name="ground beef" quantity-integer="2">
                    <IUnit>
                        <IUnitArbitrary>pound</IUnitArbitrary>
                    </IUnit>
                </ingredient>

                <IUnit>
                    <IUnitArbitrary>cup</IUnitArbitrary>
                </IUnit>

                <ingredient name="pepper" quantity-integer="4">
                    <IUnit>
                        <IUnitArbitrary>teaspoon</IUnitArbitrary>
                    </IUnit>
                </ingredient>
                <ingredient name="shortening" quantity-integer="2">
                    <IUnit>
                        <IUnitArbitrary>tablespoon</IUnitArbitrary>
                    </IUnit>
                </ingredient>
                <ingredient name="condensed cream of chicken soup, undiluted" quantity-integer="2">
                    <IUnit>
                        <IUnitArbitrary>can</IUnitArbitrary>
                    </IUnit>
                </ingredient>
                <ingredient name="condensed cream of mushroom soup, undiluted" quantity-integer="2">
                    <IUnit>
                        <IUnitArbitrary>can</IUnitArbitrary>
                    </IUnit>
                </ingredient>
                <ingredient name="evaporated milk" quantity-integer="1">
                    <IUnit>
                        <IUnitArbitrary>can</IUnitArbitrary>
                    </IUnit>
                </ingredient>
                <ingredient name="Minced fresh parsley" quantity-integer="2">
                    <IUnit>
                        <IUnitArbitrary>ton</IUnitArbitrary>
                    </IUnit>
                </ingredient>
                <category>
                    <CategoryArbitrary>Swedish dishes</CategoryArbitrary>
                </category>
                <feedback>
                    <usertext> *Jag tycker bla bla * asdasd </usertext>
                </feedback>
            </mealItem>

        </meal>
    </menu>
</reml>

使用提供的 XSD（以及如图所示的提示）在验证时出现以下错误：

Error occurred while loading [], line 53 position 6 The element 'mealItem' has invalid child element 'IUnit'. List of possible elements expected: 'ingredient, category, schedule'. linking-xml-to-an-xml-schema-xsd.xml is XSD 1.0 invalid.

于 2013-10-02T13:05:20.430 回答