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C#实体类生成XML与XML Schema文档
一、实体类生成XML
1 private void CreateXML() 2 { 3 Type[] objType = DBEntityRegst(); 4 foreach (var item in objType) 5 { 6 if (item == null) 7 { 8 break; 9 } 10 11 XmlDocument doc = new XmlDocument(); 12 13 //<?xml version="1.0"?> 14 XmlDeclaration dec = doc.CreateXmlDeclaration("1.0", "", ""); 15 doc.AppendChild(dec); 16 17 //创建一个根节点 18 //<schema xmlns:xs="http://www.w3.org/2001/XMLSchema"> 19 XmlElement root = doc.CreateElement("schema"); 20 root.SetAttribute("xmlns:xs", "http://www.w3.org/2001/XMLSchema"); 21 doc.AppendChild(root); 22 23 //<element Name="DTO_BatchTotal"> 24 XmlElement element1 = doc.CreateElement("element"); 25 element1.SetAttribute("Name", (item.Name).ToString()); 26 27 //<complexType> 28 XmlElement element2 = doc.CreateElement("complexType"); 29 30 //<sequence> 31 XmlElement element3 = doc.CreateElement("sequence"); 32 33 34 System.Reflection.PropertyInfo[] ps = item.GetProperties(); 35 for (int i = 0; i < ps.Length; i++) 36 { 37 string typeold = (ps[i].PropertyType).ToString(); 38 string[] a = typeold.Split(‘.‘); 39 string typenew = ("xs:" + a[1]).ToLower(); 40 41 //<element Name="batch" Type="xs:string" /> 42 //<element Name="total" Type="xs:decimal" /> 43 XmlElement element4 = doc.CreateElement("element"); 44 element4.SetAttribute("Name", ps[i].Name); 45 element4.SetAttribute("Type", typenew); 46 47 //给element3添加子节点 48 element3.AppendChild(element4); 49 } 50 //同上 51 element1.AppendChild(element2); 52 element2.AppendChild(element3); 53 root.AppendChild(element1); 54 55 XmlSerializerNamespaces xsn = new XmlSerializerNamespaces(); 56 xsn.Add("xs", "http://www.w3.org/2001/XMLSchema"); 57 doc.Save(@"E:\XML\" + item.Name.ToString() + ".xml"); 58 59 60 } 61 } 62 63 /// <summary> 64 /// 将DTO实体加载到List列表 65 /// </summary> 66 private Type[] DBEntityRegst() 67 { 68 69 List<IEntityRegstHelper> entityRegstHelperlist = null; 70 entityRegstHelperlist = new List<IEntityRegstHelper>(); 71 var classes = Assembly.Load("ZxSoftERPGC.Model").GetTypes();//命名空间[Model]下的类类型集 72 73 Type[] a = new Type[classes.Length]; 74 int i = 0; 75 foreach (var classtype in classes) 76 { 77 78 if (((classtype.Name).ToString()).Contains("DTO_")) //指定获取类名包含“DTO_”的类 79 { 80 a[i] = classtype; 81 i++; 82 } 83 } 84 return a; 85 }
结果如：
<?xml version="1.0"?> <schema xmlns:xs="http://www.w3.org/2001/XMLSchema"> <element Name="DTO_BatchTotal"> <complexType> <sequence> <element Name="batch" Type="xs:string" /> <element Name="total" Type="xs:decimal" /> </sequence> </complexType> </element> </schema>
参考：http://www.cnblogs.com/xwdreamer/archive/2011/04/27/2297023.html
二、生成XML Schema
private void button1_Click(object sender, EventArgs e) { Type[] objType = DBEntityRegst(); foreach (var item in objType) { if (item == null) { break; } XmlSchema schema = new XmlSchema(); // <xs:element name=""> XmlSchemaElement elementPets = new XmlSchemaElement(); schema.Items.Add(elementPets); elementPets.Name = (item.Name).ToString(); // <xs:complexType> XmlSchemaComplexType complexType = new XmlSchemaComplexType(); elementPets.SchemaType = complexType; //<xs:sequence> XmlSchemaSequence seqauth = new XmlSchemaSequence(); complexType.Particle = seqauth; System.Reflection.PropertyInfo[] ps = item.GetProperties(); for (int i = 0; i < ps.Length; i++) { // <xs:element name=""/> XmlSchemaElement catRef = new XmlSchemaElement(); seqauth.Items.Add(catRef); catRef.Name = ps[i].Name; string typeold = (ps[i].PropertyType).ToString(); string[] a = typeold.Split(‘.‘); string typenew = (a[1]).ToLower(); //类型格式转换 if (typenew == "int32" || typenew == "int64") { typenew = "integer"; } if (typenew == "datetime") { typenew = "date"; } catRef.SchemaTypeName = new XmlQualifiedName(typenew, "http://www.w3.org/2001/XMLSchema"); } XmlSchemaSet schemaSet = new XmlSchemaSet(); schemaSet.Add(schema); schemaSet.Compile(); XmlSchema compiledSchema = null; foreach (XmlSchema schema1 in schemaSet.Schemas()) { compiledSchema = schema1; } XmlNamespaceManager nsmgr = new XmlNamespaceManager(new NameTable()); nsmgr.AddNamespace("xs", "http://www.w3.org/2001/XMLSchema"); //用流的形式输出保存 using (MemoryStream stream = new MemoryStream()) { compiledSchema.Write(stream, nsmgr); FileStream fs = new FileStream(@"E:\XML\" + item.Name.ToString() + ".xml", FileMode.Create); BinaryWriter w = new BinaryWriter(fs); w.Write(stream.ToArray()); fs.Close(); stream.Close(); } } }
结果如：
<?xml version="1.0"?> <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"> <xs:element name="DTO_BatchTotal"> <xs:complexType> <xs:sequence> <xs:element name="batch" type="xs:string" /> <xs:element name="total" type="xs:decimal" /> </xs:sequence> </xs:complexType> </xs:element> </xs:schema>
参考：https://msdn.microsoft.com/en-us/library/system.xml.schema.xmlschema(v=vs.110).aspx
2种生成都是用实体集批量生成，单个实体就不用演示了吧。
C#实体类生成XML与XML Schema文档
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