This chapter explains the main parts of the AppML description from the previous chapter.
这章将讲述来自于前一章的AppML描述的主要部分。

AppML Example
AppML案例

The XML file below is the AppML description from the previous chapter:
下面的XML文件是前一章关于AppML的描述：

<appml>

<title>CUSTOMERS</title>

<database>
 <connection>northwind</connection>
 <keyfield type="text">customerid</keyfield>
 <maintable>customers</maintable>
 <sql>
 Select CompanyName, City, Country from Customers
 </sql>
</database>

<filters>
 <query>
 <field>CompanyName</field>
 </query>
</filters>

<htmlform />
<htmllist />
<htmlreport />

</appml>

An AppML description always starts with <appml> and ends with </appml>. The description must be saved as an XML file (.xml).
一个完整的AppML描述通常以<appml>开始，以</appml>结束。该描述必须以XML文件（.xml）存储。

The <title> element defines a default title for the application.
<title>元素为应用程序定义了一个默认的标题。

The <database> element contains information about the database connection.
<database>元素包含了关于数据库链接的信息。

The <filters> element defines a search function for the application.
<filters>元素为应用程序定义了一个搜索函数。

The <htmlform /> element defines support for a standard HTML input form.
<htmlform />元素定义了对标准的HTML输入表单的支持。

The <htmllist /> element defines support for a standard HTML list.
<htmllist />元素定义了对标准HTML列表的支持。

The <htmlreport /> element defines support for a standard HTML report.
<htmlreport />元素定义了对标准HTML报告的支持。

With AppML you can also define your own HTML forms, HTML lists, and HTML reports, to make your AppML applications look and function exactly the way you want.
通过AppML，你也可以定义你自己的HTML表单，HTML列表和HTML报告，从而使你的AppML应用程序符合你所期望的外观和功能。

Note: Each element in an AppML description will be explained in detail in the AppML case study and in the AppML reference.
注意：每个AppML描述元素都将在AppML案例学习和AppML参考中作详细解释。

AppML 案例 AppML 网络服务

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