Python 爬取热词并进行分类数据分析-[JSP演示+页面跳转]

日期：2020.02.03

博客期：142

星期一

　　　　【本博客的代码如若要使用，请在下方评论区留言，之后再用（就是跟我说一声）】

　　所有相关跳转：

　　a.【简单准备】

　　b.【云图制作+数据导入】

　　c.【拓扑数据】

　　d.【数据修复】

　　e.【解释修复+热词引用】

　　 f.【JSP演示+页面跳转】（本期博客）

　　g.【热词分类+目录生成】

　　h.【热词关系图+报告生成】

　　i . 【App制作】

　　j . 【安全性改造】

　　　　今天开始准备把昨天的任务补一下，再补充一下以前的博客。

　　　　1、全部热词演示页面改写

　　　　我追加了其他页的展示和页面跳转部分js内容

　　　　附加新增代码：

　　　　　　com.servlet 包：

 package com.servlet;

 import java.io.IOException;

 import java.sql.SQLException;

 import java.util.List;

 import javax.servlet.ServletException;

 import javax.servlet.ServletOutputStream;

 import javax.servlet.annotation.WebServlet;

 import javax.servlet.http.HttpServlet;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import org.json.JSONArray;

 import org.json.JSONObject;

 import com.dblink.basic.utils.SqlUtils;

 import com.dblink.basic.utils.sqlKind.MySql_s;

 import com.dblink.basic.utils.user.UserInfo;

 import com.dblink.bean.BeanGroup;

 import com.dblink.sql.DBLink;

 @SuppressWarnings("unused")

 public class ServletForLinkData extends HttpServlet{

     /**

      *

      */

     private static final long serialVersionUID = 1L;

     //----------------------------------------------------------------------//

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

     {

         request.setCharacterEncoding("utf-8");

         response.setCharacterEncoding("utf-8");

         response.setContentType("application/json");

         response.setHeader("Cache-Control", "no-cache");

         response.setHeader("Pragma", "no-cache");

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

         JSONArray jsonArray = new JSONArray();

         JSONObject jsonObj = new JSONObject();

         DBLink dbLink = new DBLink(new SqlUtils(new MySql_s("rc"),new UserInfo("root","123456")));

         BeanGroup bg = null;

         try {

             bg = dbLink.getSelect("Select * From words where word = '"+word+"'").beans;

             int leng = bg.size();

             jsonObj.put("Length",leng);

             jsonArray.put(jsonObj);

             for(int i=0;i<leng;++i)

             {

                 JSONObject jsonObject = new JSONObject();

                 jsonObject.put("word",bg.get(i).get(0));

                 jsonObject.put("num",bg.get(i).get(1));

                 jsonObject.put("title",bg.get(i).get(2));

                 jsonObject.put("link",bg.get(i).get(3));

                 jsonArray.put(jsonObject);

             }

         } catch (SQLException e) {

             // Do Nothing ...

         }

         dbLink.free();

         ServletOutputStream os = response.getOutputStream();

         os.write(jsonArray.toString().getBytes());

         os.flush();

         os.close();

     }

     //---------------------------------------------------------------------------------//

 }

ServletForLinkData.java

 package com.servlet;

 import java.io.IOException;

 import java.sql.SQLException;

 import java.util.List;

 import javax.servlet.ServletException;

 import javax.servlet.ServletOutputStream;

 import javax.servlet.annotation.WebServlet;

 import javax.servlet.http.HttpServlet;

 import javax.servlet.http.HttpServletRequest;

 import javax.servlet.http.HttpServletResponse;

 import org.json.JSONArray;

 import org.json.JSONObject;

 import com.dblink.basic.utils.SqlUtils;

 import com.dblink.basic.utils.sqlKind.MySql_s;

 import com.dblink.basic.utils.user.UserInfo;

 import com.dblink.bean.BeanGroup;

 import com.dblink.sql.DBLink;

 @SuppressWarnings("unused")

 public class ServletForAllKeyWords extends HttpServlet{

     /**

      *

      */

     private static final long serialVersionUID = 1L;

     //----------------------------------------------------------------------//

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

     {

         request.setCharacterEncoding("utf-8");

         response.setCharacterEncoding("utf-8");

         response.setContentType("application/json");

         response.setHeader("Cache-Control", "no-cache");

         response.setHeader("Pragma", "no-cache");

         String sql_rest = request.getParameter("sql");

         JSONArray jsonArray = new JSONArray();

         JSONObject jsonObj = new JSONObject();

         DBLink dbLink = new DBLink(new SqlUtils(new MySql_s("rc"),new UserInfo("root","123456")));

         BeanGroup bg = null;

         try {

             bg = dbLink.getSelect("Select * From keywords "+sql_rest).beans;

             int leng = bg.size();

             int maxSize = dbLink.getSelect("Select * From keywords ").beans.size();

             int page = maxSize%leng==0?(maxSize/30):(maxSize/30)+1;

             jsonObj.put("Length",leng);

             jsonObj.put("MaxSize",maxSize);

             jsonObj.put("Page",page);

             jsonArray.put(jsonObj);

             for(int i=0;i<leng;++i)

             {

                 JSONObject jsonObject = new JSONObject();

                 jsonObject.put("word",bg.get(i).get(0));

                 jsonObject.put("num",bg.get(i).get(1));

                 jsonObject.put("exp",bg.get(i).get(2));

                 jsonArray.put(jsonObject);

             }

         } catch (SQLException e) {

             // Do Nothing ...

         }

         dbLink.free();

         ServletOutputStream os = response.getOutputStream();

         os.write(jsonArray.toString().getBytes());

         os.flush();

         os.close();

     }

     //---------------------------------------------------------------------------------//

 }

ServletForAllKeyWords.java

　　　　　　web.xml 文件更改：

 <?xml version="1.0" encoding="UTF-8"?>

 <web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://xmlns.jcp.org/xml/ns/javaee" xsi:schemaLocation="http://xmlns.jcp.org/xml/ns/javaee http://xmlns.jcp.org/xml/ns/javaee/web-app_4_0.xsd" id="WebApp_ID" version="4.0">

   <display-name>HotWord</display-name>

   <servlet>

     <description>This is the description of my J2EE component</description>

     <display-name>This is the display name of my J2EE component</display-name>

     <servlet-name>ServletForWords</servlet-name>

     <servlet-class>com.servlet.ServletForWords</servlet-class>

   </servlet>

   <servlet-mapping>

     <servlet-name>ServletForWords</servlet-name>

     <url-pattern>/com/servlet/ServletForWords</url-pattern>

   </servlet-mapping>

   <servlet>

     <description>This is the description of my J2EE component</description>

     <display-name>This is the display name of my J2EE component</display-name>

     <servlet-name>ServletForAllKeyWords</servlet-name>

     <servlet-class>com.servlet.ServletForAllKeyWords</servlet-class>

   </servlet>

   <servlet-mapping>

     <servlet-name>ServletForAllKeyWords</servlet-name>

     <url-pattern>/com/servlet/ServletForAllKeyWords</url-pattern>

   </servlet-mapping>

   <servlet>

     <description>This is the description of my J2EE component</description>

     <display-name>This is the display name of my J2EE component</display-name>

     <servlet-name>ServletForLinkData</servlet-name>

     <servlet-class>com.servlet.ServletForLinkData</servlet-class>

   </servlet>

   <servlet-mapping>

     <servlet-name>ServletForLinkData</servlet-name>

     <url-pattern>/com/servlet/ServletForLinkData</url-pattern>

   </servlet-mapping>

   <welcome-file-list>

     <welcome-file>index.html</welcome-file>

     <welcome-file>index.htm</welcome-file>

     <welcome-file>index.jsp</welcome-file>

     <welcome-file>default.html</welcome-file>

     <welcome-file>default.htm</welcome-file>

     <welcome-file>default.jsp</welcome-file>

   </welcome-file-list>

 </web-app>

web.xml

　　　　　　jsFiles/word.js 文件

 var wordPage = 1;

 function makePageToWord()

 {

     var Area = '';

     Area += '<div class="row">';

     Area += '<div class="col-md-12">';

     Area += '<h2>全部热词</h2>';

     Area += '</div>';

     Area += '</div>';

     Area += '<hr />';

     Area += '<br>';

     Area += '<div style="background:rgb(0,153,255);margin-left:20px;margin-right:20px;height:25px;">';

     Area += '    <div style="margin-left:10px;margin-right:10px;margin-top:5px;margin-bottom:5px;">';

     Area += '        <b style="float:left;">热词表</b>';

     Area += '        <div style="float:right;">';

     Area += '        <select id="sty" onchange="simpleReset()">';

     Area += '            <option value="0" selected>按照词频顺序</option>';

     Area += '            <option value="1">按照字母表顺序</option>';

     Area += '        </select>';

     Area += '&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;';

     Area += '        <select id="order" onchange="simpleReset()">';

     Area += '            <option value="0" selected>降序</option>';

     Area += '            <option value="1">增序</option>';

     Area += '        </select>';

     Area += '&nbsp;&nbsp;';

     Area += '        </div>';

     Area += '    </div>';

     Area += '</div>';

     Area += '<br>';

     Area += '<br>';

     Area += '<div id="MessageArea">';

     Area += '</div>';

     document.getElementById("page-inner").innerHTML = Area;

     simpleReset();

 }

 function simpleReset()

 {

     wordPage = 1;

     resetAndFresh();

 }

 function XReset(p)

 {

     wordPage = p;

     wordPage = parseInt(""+wordPage);

     resetAndFresh();

 }

 function resetAndFresh()

 {

     var sty = document.getElementById("sty").value;

     var order = document.getElementById("order").value;

     var xmlHttp = null;

     try{

         xmlHttp = new XMLHttpRequest();

        } catch (e1) {

             try {

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

         } catch (e2) {

             alert("Your browser does not support XMLHTTP!");

             return;

         }

     }

     xmlHttp.onreadystatechange = function() {

         if (xmlHttp.readyState == 4) {

             if (xmlHttp.status == 200)

             {

                 var Area = "";

                 s = xmlHttp.responseText;

                 var InformationSet = eval('('+s+')');

                 var leng = InformationSet[0].Length;

                 var max = InformationSet[0].MaxSize;

                 var pageNum = InformationSet[0].Page;

                 Area += "<table class='WhatATable' style='margin-left:200px;float:left;'>";

                 Area += "<tr>";

                 Area += "<th style='width:100px;'>热词</th>";

                 Area += "<th style='width:100px;'>词频</th>";

                 Area += "<th style='width:100px;'>详细信息链接</th>";

                 Area += "</tr>";

                 if(leng<10)

                 {

                     for (var i=1;i<=leng;++i)

                     {

                         Area += "<tr>";

                         Area += "    <td>";

                         Area += InformationSet[i].word;

                         Area += "    </td>";

                         Area += "    <td>";

                         Area += InformationSet[i].num;

                         Area += "    </td>";

                         Area += "    <td>";

                         Area += "        <a href='#' onclick='toSomeWhere(\""+InformationSet[i].word+"\")'>详细信息</a>";

                         Area += "    </td>";

                         Area += "</tr>";

                     }

                 }

                 else

                 {

                     for (var i=1;i<=10;++i)

                     {

                         Area += "<tr>";

                         Area += "    <td>";

                         Area += InformationSet[i].word;

                         Area += "    </td>";

                         Area += "    <td>";

                         Area += InformationSet[i].num;

                         Area += "    </td>";

                         Area += "    <td>";

                         Area += "        <a href='#' onclick='toSomeWhere(\""+InformationSet[i].word+"\")'>详细信息</a>";

                         Area += "    </td>";

                         Area += "</tr>";

                     }

                 }

                 Area += "</table>";

                 if(leng>10)

                 {

                     Area += "<table class='WhatATable' style='margin-left:10px;float:left;'>";

                     Area += "<tr>";

                     Area += "<th style='width:100px;'>热词</th>";

                     Area += "<th style='width:100px;'>词频</th>";

                     Area += "<th style='width:100px;'>详细信息链接</th>";

                     Area += "</tr>";

                     if(leng<=20)

                     {

                         for (var i=11;i<=leng;++i)

                         {

                             Area += "<tr>";

                             Area += "    <td>";

                             Area += InformationSet[i].word;

                             Area += "    </td>";

                             Area += "    <td>";

                             Area += InformationSet[i].num;

                             Area += "    </td>";

                             Area += "    <td>";

                             Area += "        <a href='#' onclick='toSomeWhere(\""+InformationSet[i].word+"\")'>详细信息</a>";

                             Area += "    </td>";

                             Area += "</tr>";

                         }

                     }

                     else

                     {

                         for (var i=11;i<=20;++i)

                         {

                             Area += "<tr>";

                             Area += "    <td>";

                             Area += InformationSet[i].word;

                             Area += "    </td>";

                             Area += "    <td>";

                             Area += InformationSet[i].num;

                             Area += "    </td>";

                             Area += "    <td>";

                             Area += "        <a href='#' onclick='toSomeWhere(\""+InformationSet[i].word+"\")'>详细信息</a>";

                             Area += "    </td>";

                             Area += "</tr>";

                         }

                     }

                     Area += "</table>";

                 }

                 if(leng>20)

                 {

                     Area += "<table class='WhatATable' style='margin-left:10px;float:left;'>";

                     Area += "<tr>";

                     Area += "<th style='width:100px;'>热词</th>";

                     Area += "<th style='width:100px;'>词频</th>";

                     Area += "<th style='width:100px;'>详细信息链接</th>";

                     Area += "</tr>";

                     for (var i=21;i<=leng;++i)

                     {

                         Area += "<tr>";

                         Area += "    <td>";

                         Area += InformationSet[i].word;

                         Area += "    </td>";

                         Area += "    <td>";

                         Area += InformationSet[i].num;

                         Area += "    </td>";

                         Area += "    <td>";

                         Area += "        <a href='#' onclick='toSomeWhere(\""+InformationSet[i].word+"\")'>详细信息</a>";

                         Area += "    </td>";

                         Area += "</tr>";

                     }

                     Area += "</table>";

                 }

                 Area += "<div style='clear:both;'></div>";

                 Area += "<br>";

                 Area += "<br>";

                 Area += "<br>";

                 Area += "<br>";

                 Area += "<p style='margin-left:30px;margin-right:30px;'>";

                 Area += "&nbsp;<button onclick='simpleReset()'>起始页</button>&nbsp;";

                 var start = ((wordPage-4)>=1)?wordPage-4:1;

                 var end = ((wordPage+4)<=pageNum)?(wordPage+4):pageNum;

                 //alert(parseInt(wordPage+4+""));

                 if(start!=1)

                 {

                     Area += "&nbsp;...&nbsp;";

                 }

                 for(var i=start;i<=end;++i)

                 {

                     Area += "&nbsp;<button onclick='XReset("+i+")'>"+i+"</button>&nbsp;";

                 }

                 if(end!=pageNum)

                 {

                     Area += "&nbsp;...&nbsp;";

                 }

                 Area += "&nbsp;<button onclick='XReset("+pageNum+")'>结束页</button>&nbsp;";

                 Area += "&nbsp;&nbsp;<b>选择页数跳转</b>&nbsp;&nbsp;";

                 Area += "<select id='selPage' onchange='makeSurePage()'>";

                 for(var i=1;i<=pageNum;++i)

                 {

                     Area += "<option value='"+i+"'>"+i+"</option>";

                 }

                 Area += "</select>";

                 Area += "</p>";

                 document.getElementById("MessageArea").innerHTML = Area;

                 surePage();

             }

            }

     };

     var url ="../com/servlet/ServletForAllKeyWords";

     var server = "sql=";

     // 按照词频顺序

     if(sty==0)

     {

         server += " order by num ";

     }

     // 按照字母表顺序

     else if(sty==1)

     {

         server += " order by word ";

     }

     // 如果是降序

     if(order==0)

     {

         server += " DESC ";

     }

     server += (" Limit "+((wordPage-1)*30)+",30 ");

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

     xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");

     xmlHttp.send(server);

 }

 function toSomeWhere(word)

 {

     var Area = '';

     Area += '<div class="row">';

     Area += '    <div class="col-md-12">';

     Area += '        <h2>'+word+'</h2>';

     Area += '    </div>';

     Area += '</div>';

     Area += '<hr />';

     Area += '<br>';

     Area += '<div id="MessageArea">';

     Area += '</div>';

     document.getElementById("page-inner").innerHTML = Area;

     var xmlHttp = null;

     try{

         xmlHttp = new XMLHttpRequest();

        } catch (e1) {

             try {

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

         } catch (e2) {

             alert("Your browser does not support XMLHTTP!");

             return;

         }

     }

     xmlHttp.onreadystatechange = function() {

         if (xmlHttp.readyState == 4) {

             if (xmlHttp.status == 200)

             {

                 var Area = "";

                 s = xmlHttp.responseText;

                 var InformationSet = eval('('+s+')');

                 var word = InformationSet[1].word;

                 var num  = InformationSet[1].num;

                 var exp  = InformationSet[1].exp;

                 Area += "<p><b id='word' style='font-size:120%;'>"+word+"</b></p>";

                 Area += "<p>引用次数:"+num+"</p>"

                 Area += "<p style='font:\"楷体\";font-size:90%;'>&nbsp;&nbsp;";

                 if(exp=="")

                 {

                     Area += "目前百度百科上并没有相关解释信息...";

                 }

                 else

                 {

                     Area += exp;

                 }

                 Area += "</p>";

                 Area += "<br>";

                 Area += "<div id='finalDIV'></div>"

                 document.getElementById("MessageArea").innerHTML = Area;

                 getLinksForKey(word);

             }

            }

     };

     var url ="../com/servlet/ServletForAllKeyWords";

     var server = "sql= where word='"+word+"'";

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

     xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");

     xmlHttp.send(server);

 }

 function getLinksForKey(word)

 {

     var xmlHttp = null;

     try{

         xmlHttp = new XMLHttpRequest();

        } catch (e1) {

             try {

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

         } catch (e2) {

             alert("Your browser does not support XMLHTTP!");

             return;

         }

     }

     xmlHttp.onreadystatechange = function() {

         if (xmlHttp.readyState == 4) {

             if (xmlHttp.status == 200)

             {

                 var Area = "";

                 Area += "<br>";

                 Area += "<br>";

                 Area += "<b style='font-size:120%;'>引用网页：</b>";

                 Area += "<br>";

                 Area += "<br>";

                 s = xmlHttp.responseText;

                 var InformationSet = eval('('+s+')');

                 var leng = InformationSet[0].Length;

                 for(var i=1;i<=leng;++i)

                 {

                     var word  = InformationSet[i].word;

                     var num   = InformationSet[i].num;

                     var title = InformationSet[i].title;

                     var link  = InformationSet[i].link;

                     Area += "<p>";

                     Area += "<a href='"+link+"' title='引用次数："+num+"'>"+title+"</a>"

                     Area += "</p>";

                 }

                 document.getElementById("finalDIV").innerHTML = Area;

             }

            }

     };

     var url ="../com/servlet/ServletForLinkData";

     var server = "word="+word;

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

     xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");

     xmlHttp.send(server);

 }

 function surePage()

 {

     document.getElementById("selPage").selectedIndex = wordPage-1;

 }

 function makeSurePage()

 {

     wordPage = document.getElementById("selPage").value;

     wordPage = parseInt(""+wordPage);

     resetAndFresh();

 }

word.js

　　　　这个页面跳转是自己写的，自己慢慢调 Bug 调了很久，最后所有页面的跳转都能实现了，我才开始写博客。

　　　　2、热词展示页面改写

　　　　之后我将热词展示页面稍稍改写了一下，要比昨天的好看，呃~其实就是加了一点CSS修饰，无关紧要的。

　　　　对应修改的 word.js 文件里的 function :

function getLinksForKey(word)

{

	var xmlHttp = null;

	try{

		xmlHttp = new XMLHttpRequest();

	   } catch (e1) {

	   	 try {

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

		} catch (e2) {

			alert("Your browser does not support XMLHTTP!");

			return;

		}

	}

	xmlHttp.onreadystatechange = function() {

		if (xmlHttp.readyState == 4) {

		    if (xmlHttp.status == 200)

		    {

		    	var Area = "";

		    	Area += "<br>";

		    	Area += "<br>";

		    	Area += "<b style='font-size:120%;'>引用网页：</b>";

		    	Area += "<br>";

		    	Area += "<br>";

		    	Area += "<ul>";

		    	s = xmlHttp.responseText;

	    		var InformationSet = eval('('+s+')');

	    		var leng = InformationSet[0].Length;

	    		for(var i=1;i<=leng;++i)

	    		{

	    			var word  = InformationSet[i].word;

		    		var num   = InformationSet[i].num;

		    		var title = InformationSet[i].title;

		    		var link  = InformationSet[i].link;

		    		Area += "<li>";

		    		Area += "<a href='"+link+"' title='引用次数："+num+"'>"+title+"</a>"

		    		Area += "</li>";

	    		}

	    		Area += "</ul>";

	    		document.getElementById("finalDIV").innerHTML = Area;

	    	}

	   	}

	};

    var url ="../com/servlet/ServletForLinkData";

    var server = "word="+word;

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

	xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");

	xmlHttp.send(server);

}

function toSomeWhere(word)

{

	var Area = '';

	Area += '<div class="row">';

	Area += '	<div class="col-md-12">';

	Area += '		<h2>'+word+'</h2>';

	Area += '	</div>';

	Area += '</div>';

	Area += '<hr />';

	Area += '<br>';

	Area += '<div id="MessageArea">';

	Area += '</div>';

	document.getElementById("page-inner").innerHTML = Area;

	var xmlHttp = null;

	try{

		xmlHttp = new XMLHttpRequest();

	   } catch (e1) {

	   	 try {

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

		} catch (e2) {

			alert("Your browser does not support XMLHTTP!");

			return;

		}

	}

	xmlHttp.onreadystatechange = function() {

		if (xmlHttp.readyState == 4) {

		    if (xmlHttp.status == 200)

		    {

		    	var Area = "";

		    	s = xmlHttp.responseText;

	    		var InformationSet = eval('('+s+')');

	    		var word = InformationSet[1].word;

	    		var num  = InformationSet[1].num;

	    		var exp  = InformationSet[1].exp;

	    		Area += "<p><b id='word' style='font-size:120%;'>"+word+"</b></p>";

	    		Area += "<p style='color:rgb(200,200,200);'>   引用次数:"+num+"</p>"

	    		Area += "<p style='font:\"楷体\";font-size:90%;'>      ";

	    		if(exp=="")

	    		{

	    			Area += "目前百度百科上并没有相关解释信息...";

	    		}

	    		else

	    		{

	    			Area += exp;

	    		}

	    		Area += "</p>";

	    		Area += "<br>";

	    		Area += "<div id='finalDIV'></div>"

	    		document.getElementById("MessageArea").innerHTML = Area;

	    		getLinksForKey(word);

	    	}

	   	}

	};

    var url ="../com/servlet/ServletForAllKeyWords";

    var server = "sql= where word='"+word+"'";

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

	xmlHttp.setRequestHeader("Content-Type","application/x-www-form-urlencoded");

	xmlHttp.send(server);

}

　　　　页面还可以，说的过去...反正最终应该不会提交这个Java Web网页。

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