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页面仿百度下拉框,支持动态后台提取数据

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  .bottom_up {
  font-family: "宋体", Arial, sans-serif, "宋体", "黑体";
  font-size: 12px;
  height: 22px;
  border: 1px solid #738C4A;
  background-color: #DEE6CC;
  margin-right: 5px;
  color: #738C4A;
  padding-right: 4px;
  padding-left: 4px;
  }
  .input_1_4 {
  height: 20px;
  width: 320px;
  border: 1px solid #738C4A;
  font-family: "宋体", Arial, sans-serif, "宋体", "黑体";
  background-color: #f6f9f1;
  color:#738C4A;
  font-size: 12px;
  margin-right: 5px;
  margin-left: 5px;
  line-height: 20px;
  }
  
  
  
  
  
  
   
  function getAbsolutePos(p) {
  var left = (navigator.appVersion.indexOf("MSIE")!=-1)?documen t.getElementById("box").offsetLeft:p.offsetLeft;
  var top = (navigator.appVersion.indexOf("MSIE")!=-1)?documen t.getElementById("tt").offsetTop:p.offsetTop;
  var r = {"x":left, "y":top};
  if(r.offsetParent) {
  var temp = getAbsolutePos(r.offsetParent);
  r.x += temp.x;
  r.y += temp.y;
  }
  return r;
  }
  function getNextPos(p,t) {
  var a = document.getElementById(p);
  var r = getAbsolutePos(a);
  if(navigator.appVersion.indexOf("MSIE")!=-1) {
  document.getElementById(t).style.top = r.y + a.offsetHeight + 29;
  document.getElementById(t).style.left = r.x + a.offsetLeft + 10 + 95;
  }else {
  document.getElementById(t).style.top = a.offsetHeight + 238 + "px";
  document.getElementById(t).style.left = r.x + 243 + 95 + "px";
  }
  if(t == "showOrg") hidden("showTopic");
  else hidden("showOrg");
  }
  function getNextPos1(p,t) {
  var a = document.getElementById(p);
  var r = getAbsolutePos(a);
  if(navigator.appVersion.indexOf("MSIE")!=-1) {
  document.getElementById(t).style.top = r.y + a.offsetHeight + 29;
  document.getElementById(t).style.left = r.x + a.offsetLeft + 10 + 95 + 455;
  }else {
  document.getElementById(t).style.top = a.offsetHeight + 238 + "px";
  document.getElementById(t).style.left = r.x + 243 + 95 + 444 + "px";
  }
  if(t == "showOrg") hidden("showTopic");
  else hidden("showOrg");
  }
  var _index = -1;
  function move(id, index){ 
  if(isVisible(id)) {
  var div = document.getElementById(id);
  if(div.childNodes && div.childNodes.length > 0){
  var arr = div.childNodes[0].childNodes;
  var cur = parseInt(_index);
  if(index == -1){
  cur -= 1; 
  }else{
  cur += 1; 
  }
  if(cur  0){
  var arr = div.childNodes[0].childNodes;
  for(var i = 0; i  0){
  var arr = div.childNodes[0].childNodes;
  for(var i = 0; i "+data[i].name+"");
  }
  dojo.byId("showTopic").innerHTML = ""+textBuffer.join("")+"";
  _index = -1;
  }      
  },
  error : function(type, data, e){},
  mimetype : "text/json",
  sync : false 
  }); 
  }else {
  suggest("showTopic", null, ev);
  }   
  }
  function refresh(ev){
  getNextPos("word","showOrg");
  document.getElementById("zhutiText").value = "";
  var event = window.event || ev;
  if(event.keyCode!="38" && event.keyCode!="40" && event.keyCode!="13"){
  var word = dojo.byId("word").value;
  if(word!="") {
  show("showOrg");
  }
  var content = {action:"query4OrgList", word:encodeURI(word)};
  dojo.io.bind({
  url : "#springUrl('')/page/dataupdate/updateInfoCtrl.do" ,
  content : content,
  preventCache : true, 
  method : "POST",
  encoding : "utf",
  load : function(type, data, e){       
  var textBuffer = [];
  if(data[0].name=="") {
  hidden("showOrg");
  }else {
  for(var i=0; i"+da ta[i].name+"");
  }
  dojo.byId("showOrg").innerHTML = ""+textBuffer.join("")+"";
  _index = -1;
  }
  },
  error : function(type, data, e){},
  mimetype : "text/json",
  sync : false 
  });     
  }else {
  suggest("showOrg","zhutiText",ev);
  }
  }
  
  
  
  查询条件
  
  单位名称
  
  
  
  主题名称
  
  
  
  
  
  开始时间
   
  
  结束时间
   
  
  
  
   
   
  
  
  
  
  
  
  控制器:
  public ModelAndView query4OrgList(HttpServletRequest request,
  HttpServletResponse response, UpdateInfoCmd cmd) throws Exception {
  request.setCharacterEncoding("utf-8");
  response.setContentType("text/json; charset=gbk"); 
  List list = new ArrayList();
  String word = null;
  try {
  word = ServletRequestUtils.getStringParameter(request, "word", "");
  word = URLDecoder.decode(word, "UTF-8").trim();
  list = topicInfoSve.getOrgName(word);
  String data = "[";
  String dataStr = "";
  if(list!=null && list.size()!=0) {
  for(int i=0; i<list.size(); i++) {
  System.out.println(list.get(i));
  data = data+"{name:'"+list.get(i)+"'},";
  dataStr = data.substring(0, data.length()-1);
  }
  } else {
  dataStr = data+"{name:''}";
  }
  dataStr = dataStr+"]";
  response.getWriter().write(dataStr);
  } catch (IOException e) {
  e.printStackTrace();
  }
  return null;
  }
  public ModelAndView query4TopicList(HttpServletRequest request,
  HttpServletResponse response, UpdateInfoCmd cmd) throws Exception {
  request.setCharacterEncoding("utf-8");
  response.setContentType("text/json; charset=gbk"); 
  List list = new ArrayList();
  String word = "";
  String topicword = "";
  try {
  word = ServletRequestUtils.getStringParameter(request, "word", "");
  topicword = ServletRequestUtils.getStringParameter(request, "zhutiText", "");
  word = URLDecoder.decode(word, "UTF-8").trim();
  topicword = URLDecoder.decode(topicword, "UTF-8").trim();
  list = topicInfoSve.getTopicName(word, topicword);
  String data = "[";
  String dataStr = "";
  if(list!=null && list.size()!=0) {
  for(int i=0; i<list.size(); i++) {
  TopicInfo topicInfo = (TopicInfo) list.get(i);
  data = data+"{name:'"+topicInfo.getTopicName()+"'},";
  dataStr = data.substring(0, data.length()-1);
  }
  } else {
  dataStr = data+"{name:''}";
  }
  dataStr = dataStr+"]";
  response.getWriter().write(dataStr);
  } catch (IOException e) {
  e.printStackTrace();
  }
  return null;
  }
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