Introduction:
In spring's configuration file, all of the tags are spring-defined.
Label Definition:
For the definition of this class label, Spring has the corresponding XSD definition document
Http://www.springframework.org/schema/beans
For XSD, simply the definition of a label for XML, there is no explanation for the XSD too much, see
Http://www.w3school.com.
All along the project in the XML format of the decision to use the DTD format, until recently discovered, do not know when all have been converted to XSD for judgment and verification, so today specifically looking for information to see, have to say, for this kind of information, W3cschool is really a good database, Many things can be found directly on the top of the material.XSD is a substitute for DTDs, mainly because of the following reasons:
Qualification (restriction) is used to define acceptable values for an XML element or attributeThe main qualifying format for XSD is as follows:xs:elementname= "XXX">element name - Xs:simpletype> xs:restrictionBase= "yyy">element Type - -Fill in the limited content here - xs:restriction> Xs:simpletype>xs:element> Second, the limited wayThe limitation of XSD is mainly by the following
One, XSD common data formatXs:stringxs:decimalxs:integerxs:booleanxs:datexs:timeSecond, simple elementsname= "xxx" type= "yyy" default= "AAA" Fixed= "bbb"/>whichXXX represents the element name,YYY represents the data format,AAA represents the element default value, and if there is no value, the element value is AAA,BBB indicates that the element is a fixed value BBB, and if the other value is an errorThe XSD
A custom label is developed based on spring. The function test is normal and a compilation error is prompted in myeclipse:
Multiple annotations found at this line:-Cvc-complex-type.2.4.c: The matching wildcard is strict, but no declaration can be found for element 'FW: annotation-handler '.-Schema_reference.4: Failed to read schema document 'HTTP: // www.300.cn/schema/annotation-handler.xsd', because 1) cocould not findDocument; 2) the document cocould not be read; 3) the root element of the doc
In the previous article to introduce the use of XSD checksum mybatis sqlmapper configuration file Method (1), the need for friends can refer to the following.
Write the XSD file, then see how to use the XSD file checksum, and parse the Sqlmapper file, that is, implement the Doparsesqlmapperresourcewithschema () method.
To achieve this function, there are two ba
Write the XSD file and see How to use the XSD file checksum and parse the Sqlmapper file, which is the implementation of the Doparsesqlmapperresourcewithschema () method.To achieve this function, there are two basic requirements:(1) Compatibility: Need to be compatible with MyBatis's native configuration, compatible with two levels, one is to use DTD verification, which has been said before, go the original
XML is not unfamiliar to us, it has a wide range of uses in enterprise-class applications. Specifically, no longer said, the following describes the difference between dtd,xsd and XSD as an example to see the definition and use of spring.
1.DTD (documnet Type Definition)
A DTD, a document type definition, is an XML constraint schema language that is a validation mechanism for XML files and is part of the
This text connection: http://blog.csdn.net/bluishglc/article/details/7596118 , reprint please indicate the source!Sometimes you will find that the past has been started normal system, one day when the startup will report the shape of the following error:[Plain]View Plaincopy
org.xml.sax.saxparseexception:schema_reference.4:failed to read schema document ' http://www.springframework.org/Schema/beans/spring-beans-2.0.xsd ', because 1) could not
Sometimes you may find that a system that has been activated in the past has been launched on a certain day with the following error:
[plain] view plain copy org.xml.sax.saxparseexception:schema_reference.4:failed to read schema document ' http:Www.springframework.org/schema/beans/spring-beans-2.0.xsd ', because 1) could not find the document;2) The document could not is read; 3) The root element of the document is not Obviously, the
There was an error in configuring Spring XML todaymultiple annotations found at the: -schema_reference.4:failed to read schema document ' HTTP://WWW.SPRINGFR Amework.org/schema/context/spring-context-4.2.xsd ', because 1) could not find the document; 2) The document could Xsd:schema>. -Cvc-complex-type.2.4.c:the matching wildcard is strict, but no declaration can be found for element ' Context:property-p Laceholder '.Obviously, the
1. There may be mutual nesting in the XSD file, which means the XSD is powerless.
Http://geekswithblogs.net/mnf/archive/2008/07/22/generate-c-class-from-xsd-file.aspx
| Home | "Login Failed for user" may mean "database name is invalid"> Generate C # class from XSD file.
I have an existing C # file, generated a lon
Sometimes you will find that the past has been started normal system, one day when the startup will report the shape of the following error:
[plain] view plain copy org.xml.sax.saxparseexception:schema_reference.4:failed to read schema document ' http:Www.springframework.org/schema/beans/spring-beans-2.0.xsd ', because 1) could not find the document;2) The document could not be read; 3) The root element of the document is not Obviously, the
XPath can find the node but associate the. xsd file (schema specification) with the XML file when the original operation does not use an XSD XML file.
There was an error, and the node was not found according to XPath.
Plugin.xsd file when the problem occurs
An XML file when a problem occurs
PLUGIN.DTD file with problem resolved
Problem-resolved XML file
First, find the Visual Studio 2005 command prompt in the Start Menu.
Enter the directory where the file is located, for example,-> D:
Operation exampleThe following command generates an XML schema from myFile. xdr and saves it to the current directory.
XsdMyFile. xdrThe following command generates an xml schema from myFile. XML and saves it to the specified directory.
Xsd myFile. xml/Outputdir: myOutputDirThe following command generates a DataSet that
The first two days to do a project also good, today suddenly reported this errorCvc-complex-type.2.4.c:the matching wildcard is strict, but no declaration can be found for element ' mvc:annotation-drive Nshould be the XML file can not find the corresponding XSD, at this time my springmvc.xml head is so configured, before the specified version number total error, the version number is deleted, but today there are no version number are error:Beansxmlns=
Java Xml tutorial (9) Verify XML legitimacy through XSD in Java
The Java XML validation API can use XSD (XML Schema Definition) to verify the validity of the XML file content. In the following case, the javax. xml. validation. Validator class is used to identify the validity of XML content through an xsd file.The following are the content of the
Let's take a look at the simple xsd below:
AttributeFormDefault = "unqualified">
Element
Below is an xml format that complies with this xsd:
Xsi: noNamespaceSchemaLocation = "D: \ WordML \ testchoice. xsd">
Xsd analysis:
1. xsd contai
href and Img have src.
Let's look back:This document introduces a DTD document. html indicates that the document takes effect on the html root element, and then Public is understood literally. Then the content of double quotation marks is a random name, followed by a DTD path.
As mentioned above, everyone should have some knowledge about the DTD.XSDXML Schemas Definition) again
After talking about the above, how can we talk about XSD? In other words
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