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Javaservlet重定向_Java_Javascript_Jquery_Html_Servlets - Fatal编程技术网

Javaservlet重定向

Javaservlet重定向,java,javascript,jquery,html,servlets,Java,Javascript,Jquery,Html,Servlets,你好,我正在努力使一个在线电视节目跟踪器的前端是这样实现的 您输入一个节目名称,背景图像发生变化,小图片向下显示,就像上面给出的网站一样,请参考 我面临的问题是,我有一个名为servlet的servlet,一旦按下按钮就会调用它,因此从页面重定向,一旦我从servlet重定向回来,html页面上完成的所有计算都会消失 这是我搜索的html <html> <head> <meta content="text/html;charset=utf-8" http-

你好,我正在努力使一个在线电视节目跟踪器的前端是这样实现的

您输入一个节目名称,背景图像发生变化,小图片向下显示,就像上面给出的网站一样,请参考

我面临的问题是,我有一个名为servlet的servlet,一旦按下按钮就会调用它,因此从页面重定向,一旦我从servlet重定向回来,html页面上完成的所有计算都会消失

这是我搜索的html

<html>

<head>
    <meta content="text/html;charset=utf-8" http-equiv="Content-Type">
    <meta content="utf-8" http-equiv="encoding">

    <link rel="stylesheet" type="text/css" href="bootstrap/css/bootstrap.css">
    <link href='http://fonts.googleapis.com/css?family=Special+Elite' rel='stylesheet'    type='text/css'>

<script src="http://code.jquery.com/jquery-latest.min.js" type="text/javascript"></script>
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/jquery/1.8.3/jquery.min.js"></script>
<script src="bootstrap/js/bootstrap.js"></script>

<style>
        body{
            background-color: #ffffff;
        }

    #custom-search-input {
            margin:0;
            margin-top: 10px;
            padding: 0;
        }

        #custom-search-input .search-query {
            padding-right: 3px;
            padding-right: 4px \9;
            padding-left: 3px;
            padding-left: 4px \9;
            /* IE7-8 doesn't have border-radius, so don't indent the padding */

            margin-bottom: 0;
            -webkit-border-radius: 3px;
            -moz-border-radius: 3px;
            border-radius: 3px;
        }

        #custom-search-input button {
            border: 0;
            background: none;
            /** belows styles are working good */
            padding: 2px 5px;
            margin-top: 2px;
            position: relative;
            left: -28px;
            /* IE7-8 doesn't have border-radius, so don't indent the padding */
            margin-bottom: 0;
            -webkit-border-radius: 3px;
            -moz-border-radius: 3px;
            border-radius: 3px;
            color:#D9230F;
        }

        .search-query:focus + button {
            z-index: 3;   
        }

        .bg 
        {
            position: fixed;
            top: 0;
            left: 0;
            z-index: -1;
            width: 100%;
            height: 100%;
            background-image: url(images/126.42.jpg);
            background-size: cover;
            background-position: 50% 0;
            -webkit-filter: blur(3px);
            -moz-filter: blur(3px);
            filter: blur(3px);
            filter: alpha(Opacity=10);
            opacity: .6;
            -webkit-transition: all .3s;
            -moz-transition: all .3s;
            -o-transition: all .3s;
            transition: all .3s;
            -webkit-transform: translate3d(0,0,0);
            -moz-transform: translate3d(0,0,0);
            -ms-transform: translate3d(0,0,0);
            -o-transform: translate3d(0,0,0);
            transform: translate3d(0,0,0);
        }

</style>

<script>

var val;

function myFunction() 
{
    val = document.getElementById("tvshow").value;

    var i=0;
    var data = {results: []};
    var imurl;

    $.ajax ({
            type: "GET",
            url: 'http://api.trakt.tv/search/shows.json/58269f85e4333c18234bb68b93397031/'+ val +'/5/seasons/',
            dataType: "jsonp",
            json: "callbackname",
            crossDomain : true,
            success: function (result) {
              $.each(result, function (i, show) {

                // write everything in an array
                data.results.push({id: this.tvdb_id, text: this.title, runtime: this.runtime, poster: this.images.poster, bg: this.images.fanart});
                console.log(this.title);

                //selectedTVshow = this.title;
                // results = data.results;

                // return array

                if(i==0) 
                {
                    imurl=this.images.fanart;
                    i++;
                }
                $('.bg').css('background-image','url('+ imurl +')');

                //imurl=this.images.fanart;
              })
            },
            error: function (data) {
              console.log('error');
            }
          })

}

</script>


<title>T.V Dose</title>

身体{
背景色:#ffffff;
}
#自定义搜索输入{
保证金:0;
边缘顶部:10px;
填充:0;
}
#自定义搜索输入。搜索查询{
右侧填充:3px;
右填充:4px\9;
左:3倍;
左侧填充:4px\9;
/*IE7-8没有边框半径,所以不要缩进填充*/
页边距底部:0;
-webkit边界半径:3px;
-moz边界半径:3px;
边界半径:3px;
}
#自定义搜索输入按钮{
边界:0;
背景:无;
/**下面的样式很好用*/
填充物:2px 5px;
边缘顶部:2倍;
位置:相对位置;
左:-28px;
/*IE7-8没有边框半径,所以不要缩进填充*/
页边距底部:0;
-webkit边界半径:3px;
-moz边界半径:3px;
边界半径:3px;
颜色:#D9230F;
}
.搜索查询:焦点+按钮{
z指数:3;
}
.bg
{
位置:固定;
排名:0;
左:0;
z指数:-1;
宽度:100%;
身高:100%;
背景图片:url(images/126.42.jpg);
背景尺寸:封面;
背景位置:50%0;
-webkit过滤器:模糊(3px);
-moz过滤器:模糊(3px);
过滤器:模糊(3px);
过滤器:α(不透明度=10);
不透明度:.6;
-webkit转换:all.3s;
-moz转换:all.3s;
-o-transition:all.3s;
过渡:全部3秒;
-webkit转换:translate3d(0,0,0);
-moz变换:translate3d(0,0,0);
-ms变换:translate3d(0,0,0);
-o变换:translate3d(0,0,0);
变换:translate3d(0,0,0);
}
var-val;
函数myFunction()
{
val=document.getElementById(“tvshow”).value;
var i=0;
var data={results:[]};
var-imurl;
$.ajax({
键入:“获取”,
网址:'http://api.trakt.tv/search/shows.json/58269f85e4333c18234bb68b93397031/“+val+”/5/季节/”,
数据类型:“jsonp”,
json:“callbackname”,
跨域:是的,
成功:功能(结果){
$。每个(结果、功能(i、显示){
//将所有内容写入数组
data.results.push({id:this.tvdb_id,text:this.title,runtime:this.runtime,poster:this.images.poster,bg:this.images.fanart});
console.log(this.title);
//selectedTVshow=this.title;
//结果=数据。结果;
//返回数组
如果(i==0)
{
imurl=this.images.fanart;
i++;
}
$('.bg').css('background-image','url('+imurl+'));
//imurl=this.images.fanart;
})
},
错误:函数(数据){
console.log('error');
}
})
}
电视剂量


下面是正在使用的Servlet Post方法,正确使用了注释

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

    HttpSession newSession=request.getSession(false);
    if(newSession==null)
    {
        //response.sendRedirect("http://localhost:8080/Jotter2/");
    }
    else
    {

            String showname = request.getParameter("show");
            Document sid = Jsoup.connect("http://services.tvrage.com/feeds/search.php?show="+showname+"&exact=1").timeout(1000*100).get();
            Elements show_id=sid.select("showid");
            String shwname=show_id.first().text();
            System.out.print(shwname);
            //System.out.print(sid);

            String sname=sid.select("name").first().text();
            Shows temp= new Shows();
            int id=Integer.parseInt(shwname);
            temp.setShow_id(id);
            temp.setTitle(sname);
            Login usr = (Login)newSession.getAttribute("user");
            temp.setPid(usr.getPid());
            DataAccessUtil.save(temp);

            Document doc = Jsoup.connect("http://services.tvrage.com/feeds/episode_list.php?sid="+id+"").get();
            System.out.print(doc);
            Elements ep_name=doc.select("title");
            Elements air_date=doc.select("airdate");
            int count=ep_name.size();
            Episodes[] ep_temp=new Episodes[count];
            int i=0;

            while(i<count)
            {
                ep_temp[i]=new Episodes();
                i++;
            }
            int a=0;

            String date_air;
            SimpleDateFormat dt1 = new SimpleDateFormat("yyyy-MM-dd");
            while(a<count)
            {
                ep_temp[a].setEp_name(ep_name.get(a).text());
                ep_temp[a].setPid(usr.getPid());
                ep_temp[a].setS_id(temp.getSid());
                date_air=air_date.get(a).text();
                Date date = null;
                try {
                    date = dt1.parse(date_air);
                } catch (ParseException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                java.sql.Date sqlDate = new java.sql.Date(date.getTime());
                ep_temp[a].setAir_date(sqlDate);
                DataAccessUtil.save(ep_temp[a]);
                a++;

            }

    }
@覆盖
受保护的void doPost(HttpServletRequest请求、HttpServletResponse响应)
抛出ServletException、IOException
{
HttpSession newSession=request.getSession(false);
if(newSession==null)
{
//response.sendRedirect(“http://localhost:8080/Jotter2/");
}
其他的
{
字符串showname=request.getParameter(“show”);
文档sid=Jsoup.connect(“http://services.tvrage.com/feeds/search.php?show=“+showname+”&exact=1”).timeout(1000*100).get();
元素show_id=sid。选择(“showid”);
字符串shwname=show_id.first().text();
系统输出打印(shwname);
//系统输出打印(sid);
字符串sname=sid.select(“name”).first().text();
Shows temp=新的Shows();
int id=Integer.parseInt(shwname);
温度设置显示id(id);
温度设置标题(sname);
Login usr=(Login)newSession.getAttribute(“用户”);
temp.setPid(usr.getPid());
DataAccessUtil.save(临时);
Document doc=Jsoup.connect(“http://services.tvrage.com/feeds/episode_list.php?sid=“+id+”).get();
系统输出打印(doc);
元素ep_名称=文件选择(“标题”);
元素air_date=doc.select(“airdate”);
int count=ep_name.size();
剧集[]ep_temp=新剧集[计数];
int i=0;

while(i因为您使用的是ajax,所以不应该在提交时刷新它。您应该在
myFunction()的末尾返回false

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

    HttpSession newSession=request.getSession(false);
    if(newSession==null)
    {
        //response.sendRedirect("http://localhost:8080/Jotter2/");
    }
    else
    {

            String showname = request.getParameter("show");
            Document sid = Jsoup.connect("http://services.tvrage.com/feeds/search.php?show="+showname+"&exact=1").timeout(1000*100).get();
            Elements show_id=sid.select("showid");
            String shwname=show_id.first().text();
            System.out.print(shwname);
            //System.out.print(sid);

            String sname=sid.select("name").first().text();
            Shows temp= new Shows();
            int id=Integer.parseInt(shwname);
            temp.setShow_id(id);
            temp.setTitle(sname);
            Login usr = (Login)newSession.getAttribute("user");
            temp.setPid(usr.getPid());
            DataAccessUtil.save(temp);

            Document doc = Jsoup.connect("http://services.tvrage.com/feeds/episode_list.php?sid="+id+"").get();
            System.out.print(doc);
            Elements ep_name=doc.select("title");
            Elements air_date=doc.select("airdate");
            int count=ep_name.size();
            Episodes[] ep_temp=new Episodes[count];
            int i=0;

            while(i<count)
            {
                ep_temp[i]=new Episodes();
                i++;
            }
            int a=0;

            String date_air;
            SimpleDateFormat dt1 = new SimpleDateFormat("yyyy-MM-dd");
            while(a<count)
            {
                ep_temp[a].setEp_name(ep_name.get(a).text());
                ep_temp[a].setPid(usr.getPid());
                ep_temp[a].setS_id(temp.getSid());
                date_air=air_date.get(a).text();
                Date date = null;
                try {
                    date = dt1.parse(date_air);
                } catch (ParseException e) {
                    // TODO Auto-generated catch block
                    e.printStackTrace();
                }
                java.sql.Date sqlDate = new java.sql.Date(date.getTime());
                ep_temp[a].setAir_date(sqlDate);
                DataAccessUtil.save(ep_temp[a]);
                a++;

            }

    }
function myFunction() {

     .................
  return false;
}