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</head><body><script>var title, content, author, publish_time, website, get_data, maxn, sum = 0, page = 0, every_page = 5;$(document).ready(function() {function print(start, end){function addDateZero(num) {return (num < 10 ? "0" + num : num);}var i = 0, sum = 0;$("#record1").empty();$("#record1").append('<tr class="cardLayout"><td>序号</td><td>URL</td><td>新闻标题</td><td>作者</td><td>发布日期</td></tr>');for (let list of get_data) {let table = '<tr class="cardLayout"><td>' + (i + 1) +'</td><td>';var j = 0;Object.values(list).forEach(element => {j++;if(j == 1)table += ('<a href="'+ element +'" target="'+ element +'">'+ element +'</a></td><td>');elseif(j == 4){let d = new Date(element);let formatdatetime = d.getFullYear() + '-' + addDateZero(d.getMonth() + 1) + '-' + addDateZero(d.getDate());table += (formatdatetime+ '</td><td>');}elsetable += (element + '</td><td>');});if(i >= start && i < end){sum ++;$("#record1").append(table + '</td></tr>');}i++;}if(sum == 0){$("#record1").empty();$("#record2").empty();alert('没有查询结果！');return i;}for (var j = sum; j < every_page; j ++)$("#record1").append('<tr class="cardLayout"><td></td><td></td><td></td><td></td><td></td></tr>');return i;}$('input:button[name="fr"]').click(function() {page = 1;title = $('input[name="title_text"]').val();content = $('input[name="content_text"]').val();author = $('input[name="author_text"]').val();publish_time = $('input[name="publish_time_text"]').val();if(publish_time == "YYYY-MM-DD")publish_time = "";website = $('select[name="website_text"]').val();$.get('/get_data?title='+ title +'&content='+ content +'&author='+ author +'&publish_time='+ publish_time +'&website='+ website, function(data) {get_data = data;maxn = print(0, every_page);sum = maxn;console.log(sum);document.getElementById("output").innerHTML = '共 '+ sum +' 条记录';});});$('input:button[name="se"]').click(function() {page = $('input[name="page_text"]').val();every_page = $('input[name="every_text"]').val();if(page > Math.ceil(maxn / every_page)){alert('超出范围！');return ;}print(every_page * (page - 1), every_page * page);});$('input:button[name="buttons"]').click(function() {print(every_page * (page - 1), every_page * page);});});function get_page(){page = 1;document.getElementById("page_text").value = page;}window.onload = get_page;function get_page1(){if(page == 1){alert('已为首页！');return ;}page --;document.getElementById("page_text").value = page;document.getElementById("output").innerHTML = '共 '+ sum +' 条记录';}window.onload = get_page1;function get_page2(){if(page * every_page >= maxn){alert('已为末页！');return ;}page ++;document.getElementById("page_text").value = page;document.getElementById("output").innerHTML = '共 '+ sum +' 条记录';}window.onload = get_page2;function get_toen(){page = Math.ceil(maxn / every_page);document.getElementById("page_text").value = page;}window.onload = get_toen;function get_tost(){page = 1;document.getElementById("page_text").value = page;}window.onload = get_tost;</script><h1>新闻热度查询</h1><form><br> 标题：<input class="from_text1" type="text" name="title_text"> <bd><bd> 内容：<input class="from_text1" type="text" name="content_text"> <bd><bd> 作者：<input class="from_text1" type="text" name="author_text"> <bd><bd> 时间：<input class="from_text1" type="text" name="publish_time_text" value="YYYY-MM-DD" onFocus="if (value =='YYYY-MM-DD'){value ='';this.style.color='black';}" onBlur="if (value ==''){value='YYYY-MM-DD';this.style.color='gray';}"> <bd><bd>网站：<select style="height: 25px;width: 200px;text-align: center; border-radius:4px;border: 2px solid #6aa9f6;" name="website_text"><option value="cnw">中国新闻网</option><option value="cnr">中国广播网</option><option value="soh">搜狐新闻网</option></select></bd><bd> <input class="button1" type="button" name="fr" value="查询" onclick="get_page();"></form><br><h2>查询结果</h2><div class="cardLayout" style="margin: 0 auto"><table width="100%" id="record1"></table></div><form><bd id="output"></bd><bd> 每页 <input class="from_text2" type="text" name="every_text" id="every_text" value="5"> 条</bd><bd> <input class="button2" type="button" name="buttons" value="首页" onclick="get_tost()"> </bd><bd> <input class="button2" type="button" name="buttons" value="上一页" onclick="get_page1();"><bd> 第 <input class="from_text2" type="text" name="page_text" id="page_text"> <bd> 页</bd><bd> <input class="button2" type="button" name="se" value="跳转"> </bd><bd> <input class="button2" type="button" name="buttons" value="下一页" onclick="get_page2();"> </bd><bd> <input class="button2" type="button" name="buttons" value="尾页" onclick="get_toen()"> </bd></form><h2>查询结果时间热度分析</h2><div id="time" style="width:800px; height:500px;"></div><script type="text/javascript">$(document).ready(function() {$('input:button[name="fr"]').click(function() {var myChart2 = echarts.init(document.getElementById('time'));$.get('/get_image?title='+ title +'&content='+ content +'&author='+ author +'&publish_time='+ publish_time +'&website='+ website,).done(function (result) {myChart2.setOption({tooltip: {},xAxis: {data: result[0]},yAxis: {},series: [{name:'频数',type:'line',data: result[1]}]})})})})</script><script src="https://code.jquery.com/jquery-3.3.1.min.js" integrity="sha256-FgpCb/KJQlLNfOu91ta32o/NMZxltwRo8QtmkMRdAu8=" crossorigin="anonymous"></script><script src="https://cdnjs.cloudflare.com/ajax/libs/popper.js/1.14.7/umd/popper.min.js" integrity="sha384-UO2eT0CpHqdSJQ6hJty5KVphtPhzWj9WO1clHTMGa3JDZwrnQq4sF86dIHNDz0W1" crossorigin="anonymous"></script><script src="https://stackpath.bootstrapcdn.com/bootstrap/4.3.1/js/bootstrap.min.js" integrity="sha384-JjSmVgyd0p3pXB1rRibZUAYoIIy6OrQ6VrjIEaFf/nJGzIxFDsf4x0xIM+B07jRM" crossorigin="anonymous"></script><script src="https://unpkg.com/bootstrap-table@1.16.0/dist/bootstrap-table.min.js"></script>
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