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用了ajax做購物車,購物車數據存入數據庫 基本功能實現

代碼片段和文件信息
package?action;
import?java.io.IOException;
import?java.io.PrintWriter;
import?java.util.ArrayList;
import?javax.servlet.ServletException;
import?javax.servlet.http.HttpServlet;
import?javax.servlet.http.HttpServletRequest;
import?javax.servlet.http.HttpServletResponse;
import?service.Service;
import?service.impl.Iservice;
public?class?BuyAction?extends?HttpServlet?{
/**
?*?Constructor?of?the?object.
?*/
public?BuyAction()?{
super();
}
/**
?*?Destruction?of?the?servlet.?
?*/
public?void?destroy()?{
super.destroy();?//?Just?puts?“destroy“?string?in?log
//?Put?your?code?here
}
/**
?*?The?doGet?method?of?the?servlet.?
?*
?*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to?get.
?*?
?*?@param?request?the?request?send?by?the?client?to?the?server
?*?@param?response?the?response?send?by?the?server?to?the?client
?*?@throws?ServletException?if?an?error?occurred
?*?@throws?IOException?if?an?error?occurred
?*/
public?void?doGet(HttpServletRequest?request?HttpServletResponse?response)
throws?ServletException?IOException?{
this.doPost(request?response);
}
/**
?*?The?doPost?method?of?the?servlet.?
?*
?*?This?method?is?called?when?a?form?has?its?tag?value?method?equals?to?post.
?*?
?*?@param?request?the?request?send?by?the?client?to?the?server
?*?@param?response?the?response?send?by?the?server?to?the?client
?*?@throws?ServletException?if?an?error?occurred
?*?@throws?IOException?if?an?error?occurred
?*/
public?void?doPost(HttpServletRequest?request?HttpServletResponse?response)
throws?ServletException?IOException?{
String?username?=?(String)?request.getSession().getAttribute(“username“);
String?totalPrice?=?request.getParameter(“totalPrice“);
Service?s?=?new?Iservice();
s.setOrderId(username);
int?oid?=?s.getOrderId();
System.out.println(username);
System.out.println(oid);
ArrayList?list?=?s.searchBook(username);
for(object?num:list){
int?count=s.getCount(Integer.parseInt(num.toString())username);
String?price?=?s.getPrice(Integer.parseInt(num.toString()));
s.insertBooks(oidInteger.parseInt(num.toString())?count?pricetotalPrice);
System.out.println(count);
System.out.println(price);
}
s.delCar(username);
request.getRequestDispatcher(“shopping-success.jsp“).forward(request?response);
}
/**
?*?Initialization?of?the?servlet.?
?*
?*?@throws?ServletException?if?an?error?occurs
?*/
public?void?init()?throws?ServletException?{
//?Put?your?code?here
}
}
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-12-31?11:53??bookshop\
?????文件????????1093??2013-12-31?11:53??bookshop\.classpath
?????文件????????1333??2013-12-31?11:53??bookshop\.project
?????目錄???????????0??2013-12-31?11:53??bookshop\.settings\
?????文件?????????522??2013-12-31?11:53??bookshop\.settings\.jsdtscope
?????文件?????????364??2013-12-31?11:53??bookshop\.settings\org.eclipse.jdt.core.prefs
?????文件?????????483??2013-12-31?11:53??bookshop\.settings\org.eclipse.wst.common.component
?????文件?????????414??2013-12-31?11:53??bookshop\.settings\org.eclipse.wst.common.project.facet.core.xm
?????文件??????????49??2013-12-31?11:53??bookshop\.settings\org.eclipse.wst.jsdt.ui.superType.container
?????文件???????????6??2013-12-31?11:53??bookshop\.settings\org.eclipse.wst.jsdt.ui.superType.name
?????目錄???????????0??2013-12-31?11:53??bookshop\src\
?????目錄???????????0??2013-12-31?11:53??bookshop\src\action\
?????文件????????2613??2013-12-31?11:53??bookshop\src\action\BuyAction.java
?????文件????????2699??2013-12-31?11:53??bookshop\src\action\CarAction.java
?????文件????????2159??2013-12-31?11:53??bookshop\src\action\ChageNumAction.java
?????文件????????2149??2013-12-31?11:53??bookshop\src\action\CheckRegister.java
?????文件?????????957??2013-12-31?11:53??bookshop\src\action\CodeFilter.java
?????文件????????2027??2013-12-31?11:53??bookshop\src\action\DelAction.java
?????文件????????2430??2013-12-31?11:53??bookshop\src\action\GoCarAction.java
?????文件????????2961??2013-12-31?11:53??bookshop\src\action\IndexAction.java
?????文件????????2783??2013-12-31?11:53??bookshop\src\action\LoginAction.java
?????文件????????1591??2013-12-31?11:53??bookshop\src\action\LoginFilter.java
?????文件????????1980??2013-12-31?11:53??bookshop\src\action\LoginOut.java
?????文件????????3016??2013-12-31?11:53??bookshop\src\action\OrderAction.java
?????文件????????2784??2013-12-31?11:53??bookshop\src\action\RegisterAction.java
?????目錄???????????0??2013-12-31?11:53??bookshop\src\dao\
?????文件?????????752??2013-12-31?11:53??bookshop\src\dao\BookDao.java
?????目錄???????????0??2013-12-31?11:53??bookshop\src\dao\bookImpl\
?????文件????????6569??2013-12-31?11:53??bookshop\src\dao\bookImpl\IbookDao.java
?????文件?????????514??2013-12-31?11:53??bookshop\src\dao\OrderDao.java
?????目錄???????????0??2013-12-31?11:53??bookshop\src\dao\orderImpl\
............此處省略94個文件信息
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