团队冲刺第一天
今天进行了课堂测试,做了一个科技政策查询系统,初步构思了团队项目的步骤
<%@ page import="java.util.ArrayList"%> <%@ page import="hhh.finaBean"%> <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>河北省科技政策查询</title> </head> <body> <form action="Servlet"> <table align="center"> <tr align="center"><td align="center" colspan="9"><img src="LOGO.jpg" width="20" height="20">科技政策查询系统</td></tr> <tr> <td>政策名称</td> <td><input type="text" name="name" placeholder="请输入政策名称"></td> <td>发文字号</td> <td><input type="text" name="document" placeholder="请输入发文字号"></td> <td>发文机构</td> <td><input type="text" name="organ"></td> <td>全文检索</td> <td><input type="text" name="text"></td> <td><input type="submit" value="查询" /></td> </tr> </table> </form> </body> </html>
<%@ page import="java.util.ArrayList"%> <%@ page import="hhh.finaBean"%> <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>科技政策查询</title> <script> /** * 分页函数 * pno--页数 * psize--每页显示记录数 * 分页部分是从真实数据行开始,因而存在加减某个常数,以确定真正的记录数 * 纯js分页实质是数据行全部加载,通过是否显示属性完成分页功能 **/ function goPage(pno,psize){ var itable = document.getElementById("idData"); var num = itable.rows.length;//表格所有行数(所有记录数) console.log(num); var totalPage = 0;//总页数 var pageSize = psize;//每页显示行数 //总共分几页 if(num/pageSize > parseInt(num/pageSize)){ totalPage=parseInt(num/pageSize)+1; }else{ totalPage=parseInt(num/pageSize); } var currentPage = pno;//当前页数 var startRow = (currentPage - 1) * pageSize+1;//开始显示的行 31 var endRow = currentPage * pageSize;//结束显示的行 40 endRow = (endRow > num)? num : endRow; //40 console.log(endRow); //遍历显示数据实现分页 for(var i=1;i<(num+1);i++){ var irow = itable.rows[i-1]; if(i>=startRow && i<=endRow){ irow.style.display = "block"; }else{ irow.style.display = "none"; } } var tempStr = "共"+num+"条记录 分"+totalPage+"页 当前第"+currentPage+"页"; if(currentPage>1){ tempStr += "<a href=\"#\" onClick=\"goPage("+(1)+","+psize+")\"> 首页</a>"; tempStr += "<a href=\"#\" onClick=\"goPage("+(currentPage-1)+","+psize+")\">< 上一页</a>" }else{ tempStr += " 首页"; tempStr += "< 上一页"; } if(currentPage<totalPage){ tempStr += "<a href=\"#\" onClick=\"goPage("+(currentPage+1)+","+psize+")\"> 下一页></a>"; tempStr += "<a href=\"#\" onClick=\"goPage("+(totalPage)+","+psize+")\"> 尾页</a>"; }else{ tempStr += " 下一页>"; tempStr += " 尾页"; } document.getElementById("barcon").innerHTML = tempStr; } </script> </head> <body onLoad="goPage(1,10);"> <form action="Servlet"> <table align="center"> <tr align="center"><td align="center" colspan="9"><img src="LOGO.jpg" width="20" height="20">科技政策查询系统</td></tr> <tr> <td>政策名称</td> <td><input type="text" name="name" placeholder="请输入政策名称"></td> <td>发文字号</td> <td><input type="text" name="document" placeholder="请输入发文字号"></td> <td>发文机构</td> <td><input type="text" name="organ"></td> <td>全文检索</td> <td><input type="text" name="text"></td> <td><input type="submit" value="查询" /> </tr> </table> </form> <table id="idData" width="1510" border="0px"> <tr width="100%"> <th width=302>政策名称</th> <th width=302>发文机构</th> <th width=302>颁布日期</th> <th width=302>政策分类</th> <th width=302>操作</th> </tr> <% response.setContentType("text/html;charset=UTF-8"); ArrayList<finaBean> arr = (ArrayList<finaBean>) request.getAttribute("routeMain"); for (int i = 0; i < arr.size(); i++) { finaBean subwayBean = new finaBean(); subwayBean.s = arr.get(i).s; subwayBean.d = arr.get(i).d; subwayBean.e = arr.get(i).e; subwayBean.q = arr.get(i).q; subwayBean.a = arr.get(i).a; %> <tr> <td align="center" width=20%><%=subwayBean.s%></td> <td align="center" width=20%><%=subwayBean.d%></td> <td align="center" width=20%><%=subwayBean.e%></td> <td align="center" width=20%><%=subwayBean.a%></td> <td align="center" width=20%><a href = see.jsp?num=<%=subwayBean.s%>>查看</a></td> </tr> <% } %> </table> <table width="60%" align="right"> <tr><td><div id="barcon" name="barcon"></div></td></tr> </table> </body> </html>
<%@ page import="java.util.ArrayList"%> <%@ page import="hhh.finaBean"%> <%@ page import="java.sql.*"%> <%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html> <html> <head> <meta charset="UTF-8"> <title>科技政策查询</title> </head> <body> <%String type1=request.getParameter("num"); String URL = "jdbc:mysql://localhost:3306/www"; String USERNAME = "root"; String PWD = "1234"; Connection connection = null; PreparedStatement pstmt = null; ResultSet rs = null; try { // 1、导入驱动,加载具体驱动类 Class.forName("com.mysql.cj.jdbc.Driver"); // 2、与数据库建立连接 connection = DriverManager.getConnection(URL, USERNAME, PWD); // 3、发送sql,执行增 String sql = "select * from policy where name like ?"; pstmt = connection.prepareStatement(sql);// 预处理 pstmt.setString(1, "%"+type1+"%"); rs = pstmt.executeQuery(); while (rs.next()) { String text = rs.getString("text"); out.print(text); } } catch (ClassNotFoundException e) { e.printStackTrace(); } catch (SQLException e) { e.printStackTrace(); } catch (Exception e) { e.printStackTrace(); } finally { try { if (pstmt != null) pstmt.close(); if (connection != null) connection.close(); } catch (SQLException e) { e.printStackTrace(); } } %> </body> </html>
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