将xml链接到xml-schema（xsd）

时间：2013-10-02 12:45:46

标签： xml xsd

我正在使用The Recipe Exchang Markup Language。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之后，我注意到在我的recipes.xml中，我没有对reml.xsd进行任何“调用”。我添加了（例如http://www.w3schools.com/schema上的例子）：

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

但是在添加这些行后我没有看到任何差异。

我的代码来了：   .XML 

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


  <reml version="0.5" language="eng" country="us">
 <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>

这是我的.XSD：

<?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>

我还有一个样式表，但它是文件的alrady，我没有做任何改变，所以我不发布它的原因。我的文件已上传，因此您可以看到我的recipes.xml看起来如何：http://dayoda01.hostkart.net/recipes(1).xml

我的问题是：我误解了什么？ im prety肯定错误存在于我链接到XML Shema。

1 个答案:

答案 0 :(得分：0)

如果您希望为不使用名称空间的XSD提供位置提示，则必须使用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），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.

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