此案例研究演示了如何构建一个完整的 <AppML> 互联网应用程序,具有针对数据库中的若干表进行信息列举、编辑和搜索的功能。
原型
在本章中,我们将为数据库中的每个表建立一个原型模型。
原型是非常便于使用的开发应用程序的起点。
原型模型
首先,为原型创建一个文件夹。该文件夹命名为 Prototypes。
然后,为数据库中的每个表创建一个原型模型。
使用 SELECT * from 每个表,并保存模型为 XML 文件:
模型:Proto_Customers.xml
<appml>
<datasource>
<database>
<connection>Demo</connection>
<sql>SELECT * FROM Customers</sql>
</database>
</datasource>
</appml>
<datasource>
<database>
<connection>Demo</connection>
<sql>SELECT * FROM Customers</sql>
</database>
</datasource>
</appml>
模型:Proto_Suppliers.xml
<appml>
<datasource>
<database>
<connection>Demo</connection>
<sql>SELECT * FROM Suppliers</sql>
</database>
</datasource>
</appml>
<datasource>
<database>
<connection>Demo</connection>
<sql>SELECT * FROM Suppliers</sql>
</database>
</datasource>
</appml>
模型:Proto_Products.xml
<appml>
<datasource>
<database>
<connection>Demo</connection>
<sql>SELECT * FROM Products</sql>
</database>
</datasource>
</appml>
<datasource>
<database>
<connection>Demo</connection>
<sql>SELECT * FROM Products</sql>
</database>
</datasource>
</appml>
原型视图
创建一个原型视图,把它保存为 Demo_Prototype.html,并知识兔:
视图:Demo_Prototype.htm
<h1>Customers</h1>
<div id="List01"></div>
<script src="/images/2021/06/11/202106110548283228040.js"></script>
<script>
customers=new AppML("appml.php","Prototypes/Customers");
customers.run("List01");
</script>
<div id="List01"></div>
<script src="/images/2021/06/11/202106110548283228040.js"></script>
<script>
customers=new AppML("appml.php","Prototypes/Customers");
customers.run("List01");
</script>
知识兔 »
现在把所有的合并在一起
最后,通过少量 JavaScript 编码,为所有原型模型创建一个简单的原型页面:
Demo_Prototype_Views.htm
<!DOCTYPE html>
<html>
<head>
<link rel="stylesheet" href="https://zhishitu.com/" />
</head>
<body>
<h1>Demo Applications</h1>
<button onclick='myOpen("Customers")'>Customers</button>
<button onclick='myOpen("Products")'>Products</button>
<button onclick='myOpen("Suppliers")'>Suppliers</button>
<button onclick='myOpen("Shippers")'>Shippers</button>
<button onclick='myOpen("Categories")'>Categories</button>
<button onclick='myOpen("Employees")'>Employees</button>
<button onclick='myOpen("Orders")'>Orders</button>
<button onclick='myOpen("OrderDetails")'>OrderDetails</button>
<br><br>
<div id="Place01"></div>
<script src="/images/2021/06/11/202106110548283228040.js"></script>
<script>
function myOpen(pname)
{
var app_obj
app_obj=new AppML("appml.php","Prototypes/" + pname);
app_obj.run("Place01");
}
</script>
</body>
</html>
<html>
<head>
<link rel="stylesheet" href="https://zhishitu.com/" />
</head>
<body>
<h1>Demo Applications</h1>
<button onclick='myOpen("Customers")'>Customers</button>
<button onclick='myOpen("Products")'>Products</button>
<button onclick='myOpen("Suppliers")'>Suppliers</button>
<button onclick='myOpen("Shippers")'>Shippers</button>
<button onclick='myOpen("Categories")'>Categories</button>
<button onclick='myOpen("Employees")'>Employees</button>
<button onclick='myOpen("Orders")'>Orders</button>
<button onclick='myOpen("OrderDetails")'>OrderDetails</button>
<br><br>
<div id="Place01"></div>
<script src="/images/2021/06/11/202106110548283228040.js"></script>
<script>
function myOpen(pname)
{
var app_obj
app_obj=new AppML("appml.php","Prototypes/" + pname);
app_obj.run("Place01");
}
</script>
</body>
</html>
显示结果 »