如何使DOTNET Web服务设置的minOccurs =＆QUOT; 1＆QUOT;在一个字符串值 [英] How to make a dotnet webservice set minOccurs="1" on a string value

问题描述

我有一个XSD：

<?xml version="1.0" encoding="UTF-8"?>
<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
     xmlns="http://a.com/a.xsd"
     targetNamespace="http://a.com/a.xsd"
     elementFormDefault="qualified"
     attributeFormDefault="unqualified">
    <xs:element name="A">
        <xs:complexType>
            <xs:sequence>
                <xs:element name="Item"  minOccurs="1" maxOccurs="1">
                    <xs:simpleType>
                        <xs:restriction base="xs:string">
                            <xs:minLength value="1"/>                                       
                            <xs:whiteSpace value="collapse"/>
                        </xs:restriction>
                    </xs:simpleType>
                </xs:element>
            </xs:sequence>
        </xs:complexType>
    </xs:element>
</xs:schema>

这是我转换成使用XSD.EXE v2.0.50727.3615产生code如下C＃类

Which I have converted into a C# class using XSD.exe v2.0.50727.3615 which generates code as follows

namespace A {
    using System.Xml.Serialization;
    /// <remarks/>
    [System.CodeDom.Compiler.GeneratedCodeAttribute("xsd", "2.0.50727.42")]
    [System.SerializableAttribute()]
    [System.Diagnostics.DebuggerStepThroughAttribute()]
    [System.ComponentModel.DesignerCategoryAttribute("code")]
    [System.Xml.Serialization.XmlTypeAttribute(AnonymousType=true, Namespace="http://a.com/a.xsd")]
    [System.Xml.Serialization.XmlRootAttribute(Namespace="http://a.com/a.xsd", IsNullable=false)]
    public partial class A {
        private string itemField;
        /// <remarks/>
        public string Item {
            get {
                return this.itemField;
            }
            set {
                this.itemField = value;
            }
        }
    }
}

我在我的web服务，产生此片段在服务描述返回一个AA对象

I am returning an A.A object in my webservice, which produces this snippet in the service description

<s:schema elementFormDefault="qualified" targetNamespace="http://a.com/a.xsd"> 
  <s:element name="Test2Result"> 
    <s:complexType> 
      <s:sequence> 
        <s:element minOccurs="0" maxOccurs="1" name="Item" type="s:string" /> 
      </s:sequence> 
    </s:complexType> 
  </s:element> 
</s:schema> 

从minOccrus =1中的XSD来的minOccurs的变化=0就自动生成WSDL是对系统的另一端造成悲痛的机器。

The change from minOccrus="1" in the XSD to minOccurs="0" on the auto-generated WSDL is causing grief to the machine on the other end of the system.

我当然可以提供手动编辑WSDL他们使用，但我想自动生成一个适合他们的需求。

I could of course provide a hand edited WSDL for them to use, but I would like the auto-generated one to suit their needs.

不还增加了关于如何说服的dotnet输出的minOccurs =1在其自动生成WSDL中字符串类型的任何建议的nillable =真？

Any suggestions on how to convince dotnet to output minOccurs="1" for a string type in its autogenerated WSDLs without also adding nillable="true"?

推荐答案

我注意到以下行：

有关结合XML架构复杂类型与非XML特定的类，.NET框架不提供相当于的minOccurs或maxOccurs属性的直接编程语言。

For binding XML Schema complex types with non-XML-specific classes, the .NET Framework does not provide a direct programming language equivalent to the minOccurs or maxOccurs attribute.

从这里开始：的http：// MSDN .microsoft.com / EN-US /库/ zds0b35c（V = vs.85）的.aspx

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