使用说明：

软件启动后会显示“1——书名查询，2——关键字查询，0——退出”

输入数字1后，按“回车”键，会显示“请输入您要查询的书名”，输入书名后按“回车”键后，显示系统正在查询相应的网站，系统查找完成后，显示查找的结果，一本书在一个网站上的价格分两行显示，第一行是书名和网站名，第二行网站上书的售价价格。

输入数字2后，按“回车”键，会显示“请输入您要查询的书名的关键字”，输入要查询的关键字后，系统会向www.dearbook.com网站提出请求返回与用户查询相关的书的信息。查询显示同上。

输入数字0后，按“回车”键，系统退出。

书名中的字母是有大小写区别的。

目标:取回网上书店销售的书的价格。-Instructions for use:

　　After starting the software will show "1-, 2 title query- keyword query, 0- to exit."

　　 Enter the number 1, press the "Enter" key will display "Please enter the title you want to query", enter the title and press "Enter" key, the display system is check the appropriate Web site, the system search is completed, show search results, a book on the website in the price of a two-line display, the first line is the title and site name, site a letter to the price of the second line price.

　　 Enter the number 2, press the "Enter" key will display "Please enter the title you want to query keywords" and enter the keyword to the query, the system will return to www.dearbook.com website with the user request relevant information in the book. Query displays above.

　　 Enter the number 0, press the "Enter" key, the system exits.

　　Title of the difference between the letters are case sensitive.

Goal: get back online bookstore sales price of the book.