?? addservlet.java
字號:
package myservlet;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import myBean.*;
import java.sql.*;
public class addServlet extends HttpServlet {
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
}
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
request.setCharacterEncoding("gb2312");
response.setCharacterEncoding("gb2312");
response.setContentType("text/html");
PrintWriter out = response.getWriter();
String bookId=request.getParameter("bookId");
String typeName=request.getParameter("typeName");
String name=request.getParameter("name");
String writer=request.getParameter("writer");
String publisher=request.getParameter("publisher");
String day=request.getParameter("day");
String price=request.getParameter("price");
String onsale=request.getParameter("onsale");
String newprice=request.getParameter("newprice");
String description=request.getParameter("description");
//下面三步將界面的值傳入到Bean中
Book lbean=new Book();
lbean.setBookId(bookId);
lbean.setTypeName(typeName);
lbean.setName(name);
lbean.setWriter(writer);
lbean.setPublisher(publisher);
float dayF=Float.parseFloat(day);
float priceF=Float.parseFloat(price);
float onsaleF=Float.parseFloat(onsale);
float newpriceF=Float.parseFloat(newprice);
lbean.setDay(dayF);
lbean.setPrice(priceF);
lbean.setOnsale(onsaleF);
lbean.setNewPrice(newpriceF);
lbean.setDescription(description);
try{
//下面的這個步為連接數據庫
DBConnection myDB=new DBConnection();
Connection conn=myDB.getConnection();
//下面為寫入數據庫
BookBean add=new BookBean();
add.addBook(lbean);
out.println("<%@ page contentType=\"text/html; charset=gb2312\" language=\"java\" import=\"java.sql.*\" %>");
out.println("<% request.setCharacterEncoding(\"gb2312\");%>");
out.println("<html >");
out.println("<meta http-equiv=\"Content-Type\" content=\"text/html; charset=gb2312\" />");
out.println("<meta http-equiv='Refresh' content='3;URL=/new/index.html'>");
out.println("<head><title>添加圖書</title></head>");
out.println("<body>");
out.println("<p>添加成功,3秒鐘自動返回</p>");
out.println("<a HREF=\"/new/index.html\">返回</a>");
out.println("</body></html>");
}catch(Exception e){
e.printStackTrace();
}
}
public void destroy() {
super.destroy();
}
}?? 快捷鍵說明
復制代碼
Ctrl + C
搜索代碼
Ctrl + F
全屏模式
F11
切換主題
Ctrl + Shift + D
顯示快捷鍵
?
增大字號
Ctrl + =
減小字號
Ctrl + -