📄 addtypeservlet.java
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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 addTypeServlet 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 typeId=request.getParameter("typeId");
String typeName=request.getParameter("typeName");
String typeDescription=request.getParameter("description");
//下面三步将界面的值传入到Bean中
Type tbean=new Type();
tbean.setTypeId(typeId);
tbean.setTypeName(typeName);
tbean.setTypeDescription(typeDescription);
try{
//下面的这个步为连接数据库
DBConnection myDB=new DBConnection();
Connection conn=myDB.getConnection();
//下面为写入数据库
TypeBean add=new TypeBean();
add.addType(tbean);
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>添加类型</title></head>");
out.println("<body>");
out.println("<p>添加成功,3秒钟自动返回</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();
}
}⌨️ 快捷键说明
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