?? searchnews.java
字號:
package com.vsked.servlet;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
public class searchNews extends HttpServlet {
/**
* Constructor of the object.
*/
public searchNews() {
super();
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
/**
* The doGet method of the servlet. <br>
*
* 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 {
if(request.getParameterValues("cb")!=null){
String s[]=request.getParameterValues("cb");
String sqls="select * from newst ";
for(int i=0;i<s.length;i++){
System.out.println(s[i]);
if(s[i].equals("0")){
if(request.getParameter("name")!=null){
sqls=sqls+" where newsname like'%"+request.getParameter("name")+"%'";
}else{
sqls=sqls+" where newsname like'%%'";
}
if(s[i+1].equals("1")){
if(request.getParameter("authors")!=null){
sqls=sqls+" and authors like'%"+request.getParameter("authors")+"%'";
}else{
sqls=sqls+" and autors like'%'";
}
}
if(s[i+2].equals("2")){
if(request.getParameter("newsbody")!=null){
sqls=sqls+" and newsbody like'%"+request.getParameter("newsbody")+"%'";
}else{
sqls=sqls+" and newsbody like'%'";
}
}
if(s[i+3].equals("3")){
if(request.getParameter("newsdate")!=null){
sqls=sqls+" and newsdate like'%"+request.getParameter("newsdate")+"%'";
}else{
sqls=sqls+" and newsdate like'%%'";
}
}
if(s[i].equals("4")){
if(request.getParameter("typename")!=null){
sqls=sqls+" and typeid="+request.getParameter("typename");
}
}
}
System.out.println("語句是:"+sqls);
}
}else{
response.sendRedirect("newsList.jsp");
}
}
/**
* The doPost method of the servlet. <br>
*
* 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 {
this.doGet(request, response);
}
/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occure
*/
public void init() throws ServletException {
// Put your code here
}
}
?? 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 + -