该源码是利用VB创建COM对象，实现了简单的数字加减和字符串传递功能，然后利用MSSoapToolkit3.0工具生成了.wsdl文件。-The source is to use VB to create COM objects, the realization of a simple addition and subtraction, and string the number of transfer functions, and then use tools MSSoapToolkit3.0