个回答

• 想new一个对象哇

  2019-08-24 14:14:22

  package Servlet;

  
  

  import java.io.IOException;

  import java.util.ArrayList;

  import java.util.List;

  
  

  import javax.servlet.ServletException;

  import javax.servlet.annotation.WebServlet;

  import javax.servlet.http.HttpServlet;

  import javax.servlet.http.HttpServletRequest;

  import javax.servlet.http.HttpServletResponse;

  
  

  import Service.AjaxService;

  import Service.AjaxServiceImpl;

  import entity.ajax;

  import net.sf.json.JSONArray;

  
  

  
  

  
  

  
  

  @WebServlet("/search")

  public class searchServlet extends HttpServlet {

  private AjaxService as;

  private static final long serialVersionUID = 1L;

         

     

      public searchServlet() {

      as=new AjaxServiceImpl();

      }

  
  

  protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

  request.setCharacterEncoding("utf-8");

  response.setCharacterEncoding("utf-8");

  String keyWord=request.getParameter("keyWord");

  ajax ajax=new ajax();

  ajax.setContent(keyWord);

  List<ajax> list=as.getAjax(ajax);

  List<String> strings=new ArrayList<String>();

  for (ajax str : list) {

  strings.add(str.getContent());

  }

  System.out.println(JSONArray.fromObject(strings).toString());

  response.getWriter().write(JSONArray.fromObject(strings).toString());

  }

  
  

  
  

  protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

  doGet(request, response);

  }

  
  

  }

  
  

  0

• 想new一个对象哇

  2019-08-24 14:13:59

  /**

   * 全局变量

   */

  var xmlHttp;

  
  

  /**

   * 得到input输入框的内容

   */

  function getMoreContents() {

  var content=document.getElementById('input');

  if(content.value==""){

  return;

  }

  // alert(content.value);

  xmlHttp=createXMLHttp();

  // alert(xmlHttp);

  var url="search?keyWord="+escape(content.value);

  xmlHttp.open("GET",url,true);

  xmlHttp.onreadystatechange=callback;

  xmlHttp.send(null);

  }

  
  

  //获得xmlHttp对象

  function createXMLHttp () {

  var xmlHttp;

  if(window.XMLHttpRequest){

  xmlHttp=new XMLHttpRequest();

  }

  if(window.ActiveXObject){

  xmlHttp=new ActiveXObject("Microsoft.XMLHttp");

  if(!xmlHttp){

  xmlHttp=new ActiveXObject("Msxml2.XMLHttp");

  }

  }

  return xmlHttp;

  }

  
  

  
  

  //回调函数

  function callback () {

  if(xmlHttp.readyState==4){

  if(xmlHttp.status==200){

  var result=xmlHttp.responseText;

  alert(result);

  var json=eval("("+result+")");

  alert(json);

  }

  }

  }

  
  

  
  

  //设置关联数据的显示

  function setContent(contents){

  var size=contents.length;

  for (var i = 0; i < size; i++) {

  var nextNode=contents[i];

  var tr=document.createElement("tr");

  var td=document.createElement("td");

  td.setAttribute("bgcolor","aliceblue");

  td.onmouseover=function() {

  this.className='mouseOver';

  }

  td.onmouseout=function(){

  this.className='mouseOut';

  }

  td.onclick=function(){

  }

  var text=document.createTextNode(nextNode);

  td.appendChild(text);

  tr.appendChild(td);

  document.getElementById('contentTableBody').appendChild(tr);

  }

  }

  
  

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