JAVA代码的问题?

来源：百度知道 编辑：UC知道 时间：2024/05/21 22:12:11
如何使用
public void doGet(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {

if (action.equals("add")) {
String ISBN = request.getParameter("ISBN");
String bookname = request.getParameter("bookname");
String type = request.getParameter("type");
String publisher = request.getParameter("publisher");
String writer = request.getParameter("writer");
String introduce = request.getParameter("introduce");
float price = Float.valueOf(request.getParameter("price")).
floatValue();
String issueDate = request.getParameter("issueDate");
String cover = request.getParameter("cover");
int

public void doGet(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException { //Servlet处理Get请求的方法

//这里应该有一句String action = request.getParamter("action")吧？通过url参数决定要执行的逻辑
if (action.equals("add")) { //添加书本操作
//以下语句获取请求参数的值
String ISBN = request.getParameter("ISBN");
String bookname = request.getParameter("bookname");
String type = request.getParameter("type");
String publisher = request.getParameter("publisher");
String writer = request.getParameter("writer");
String introduce = request.getParameter("introduce");
float price = Float.valueOf(request.getParameter("price")).
floatValue();
String issueDate = request.getParameter("issueDate");
String cover = request.getParameter("cover");
int newbook = Integer.parseInt(request.getParameter("newbook&