第五章(简化的)全部例子（国外英文资料）.docVIP

第五章(简化的)全部例子（国外英文资料） Chapter 5 USES the ActiveX component (this is the focus of the reading and writing of the file.) 5.1 what is the ActiveX component The ActiveX components are programs that Microsoft and others have compiled and placed in Web servers. These powerful, but its very simple to use, as long as know their name from the name and function, in accordance with our mission needs, choose a direct use. The component means that we can use it as a part of our own web application. And the ActiveX is the name Microsoft gives to these components. The most important component of the ActiveX component is the component that reads and writes to the file (called Scripting. FileSystemObject), which we will focus on. Other components (such as:), () relative to a simple web site is not very important, is not a must, or use described above method can accomplish the same function). The usual way of using ActiveX components. When you find in the component called XXX, YYY process (or function, also known as method), and/or the component of the system variable named ZZZ (also known as properties) can be directly or indirectly, to help you do what you want to do, can with the following statement to use in the form of YYY and/or z: First, create the instance variable of the component with the following statement, and the variable name itself, such as a1 % set a1 = system.createobject ( XXX ) % Make a1 the instance variable for the component object XXX created by the system So then make a1 with component of XXX all methods and properties of a special type of variable, called: object instance variables, or simply as an object. Then, using a1 as the representative, use the YYY method and the ZZZ attribute of the component with the following statement % a1. YYY % means: call the method YYY of a1 (i.e., XXX). % = a1. ZZZ % means the value of the attribute variable, ZZZ, that outputs a1 (i.e., XXX). % a1. ZZZ = 5 % means: to assign new values to the attribute variable of a1 (i