package newsserver;
import java.io.IOException;
import java.io.PrintWriter;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.apache.lucene.analysis.Analyzer;
import org.apache.lucene.analysis.cn.ChineseAnalyzer;
import org.apache.lucene.document.Document;
import org.apache.lucene.queryParser.QueryParser;
import org.apache.lucene.search.Hits;
import org.apache.lucene.search.IndexSearcher;
import org.apache.lucene.search.Query;
/**
* <p>Title: 新闻搜索引擎</p>
* <p>Description: 毕业设计</p>
* <p>Copyright: Copyright (c) 2003</p>
* <p>Company: </p>
* @author 计算机99630 沈晨
* @version 1.0
*/
public class Results
extends HttpServlet {
private static final String CONTENT_TYPE = "text/html; charset=GBK";
//Initialize global variables
public void init() throws ServletException {
}
//Process the HTTP Get request
public void doGet(HttpServletRequest request, HttpServletResponse response) throws
ServletException, IOException {
String QC = request.getParameter("QueryContent");
if (QC == null) {
QC = "";
}
else {
QC = input(QC);
}
response.setContentType(CONTENT_TYPE);
PrintWriter out = response.getWriter();
try {
Search(QC, out);
}
catch (Exception ex) {
System.out.println(ex.getMessage());
}
}
public void Search(String qc, PrintWriter out) throws Exception {
// 从索引目录创建索引
IndexSearcher _searcher = new IndexSearcher("c:\\news\\index");
// 创建标准分析器
Analyzer analyzer = new ChineseAnalyzer();
// 查询条件
String line = qc;
// Query是一个抽象类
Query query = QueryParser.parse(line, "title", analyzer);
out.println("<html>");
out.println("<head><title>搜索结果</title></head>");
out.println("<body bgcolor=#ffffff>");
out.println("<center>" +
"<form action='/NewsServer/results' method='get'>" +
"<font face='华文中宋' color='#3399FF'>新闻搜索引擎</font>:" +
"<input type='text' name='QueryContent' size='20'>" +
"<input type='submit' name='submit' value='开始搜索'>" +
"</form></center>"
);
out.println("<p>搜索关键字：<font color=red>" + query.toString("title") +
"</font></p>");
Hits hits = _searcher.search(query);
out.println(" 总共找到<font color=red>" + hits.length() + "</font>条新闻<br>");
final int HITS_PER_PAGE = 10;
for (int start = 0; start < hits.length(); start += HITS_PER_PAGE) {
int end = Math.min(hits.length(), start + HITS_PER_PAGE);
for (int i = start; i < end; i++) {
Document doc = hits.doc(i);
String url = doc.get("url");
if (url != null) {
out.println( (i + 1) + " <a href='" + url + "'>" +
replace(doc.get("title"), qc) +
"</a><br>");
}
else {
System.out.println("没有找到！");
}
}
}
out.println("</body></html>");
_searcher.close();
};
public String input(String str) {
String temp = null;
if (str != null) {
try {
temp = new String(str.getBytes("ISO8859_1"));
}
catch (Exception e) {
}
}
return temp;
}
public String replace(String title, String keyword) {
return title.replaceAll(keyword, "<font color='red'>" + keyword + "</font>");
};
//Clean up resources
public void destroy() {
}
}
JSP毕业设计-JSP搜索引擎的研究与实现(源代码+论文+答辩PPT).zip （116个子文件） 
Results.class 4KB Results.class 4KB NewsSearcher_jsp.class 3KB HTMLParse.class 2KB Searcher.class 2KB Index.class 1KB news.dep2 5KB newsserver.dep2 3KB
SearchEngine.doc 370KB 论文.doc 318KB News.htm 11KB
results.html 442B results.html~1~ 429B results.html~2~ 407B results.html~3~ 342B results.html~4~ 382B results.html~5~ 369B results.html~6~ 371B
lucene_cn.jar 136KB lucene-1.2.jar 133KB bot.jar 37KB Results.java 4KB NewsSearcher_jsp.java 2KB HTMLParse.java 1KB Searcher.java 1KB Index.java 1KB HTMLParse.java~11~ 1KB HTMLParse.java~12~ 1KB HTMLParse.java~13~ 1KB HTMLParse.java~14~ 1KB HTMLParse.java~15~ 1KB HTMLParse.java~16~ 1KB HTMLParse.java~17~ 1KB HTMLParse.java~18~ 1KB HTMLParse.java~19~ 1KB QueryNews.java~1~ 2KB Searcher.java~1~ 215B HTMLParse.java~20~ 1KB Results.java~27~ 3KB Results.java~28~ 3KB Results.java~29~ 3KB QueryNews.java~2~ 2KB Searcher.java~2~ 1KB Results.java~30~ 3KB Results.java~31~ 3KB Results.java~32~ 4KB Index.java~32~ 1008B Results.java~33~ 4KB Index.java~33~ 1KB Results.java~34~ 3KB Index.java~34~ 1KB Results.java~35~ 4KB Index.java~35~ 985B Results.java~36~ 4KB Index.java~36~ 986B Index.java~37~ 985B Index.java~38~ 940B Index.java~39~ 1KB QueryNews.java~3~ 2KB Searcher.java~3~ 1KB Index.java~40~ 1KB Index.java~41~ 1KB QueryNews.java~4~ 2KB Searcher.java~4~ 1KB QueryNews.java~5~ 2KB Searcher.java~5~ 1KB QueryNews.java~6~ 2KB Searcher.java~6~ 1KB Searcher.java~7~ 1KB Searcher.java~8~ 1KB Searcher.java~9~ 1KB NewsServer.jpx 4KB News.jpx 3KB News.jpx~ 0B NewsServer.jpx~ 0B NewsSearcher.jsp~1~ 669B NewsSearcher.jsp~2~ 979B NewsSearcher.jsp~3~ 484B NewsSearcher.jsp~4~ 481B NewsSearcher.jsp~5~ 488B NewsSearcher.jsp~6~ 408B Servlet.library 227B News.jpx.local 2KB NewsServer.jpx.local 2KB NewsServer.jpx.local~ 2KB News.jpx.local~ 2KB
SearchEngine.ppt 103KB SearchEngine.ppt 90KB
SearchEngine.rar 342KB SearchEngine.rar 342KB web.xml 439B jb-NewsServer.xml 409B jb--default.xml 399B web.xml 179B web.xml~1~ 941B web.xml~1~ 691B web.xml~47~ 941B web.xml~48~ 439B web.xml~49~ 439B web.xml~50~ 941B共 116 条
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