• 河北省重大需求征集系统每日进度6


    代码

    package com.sici.servlet;

    import java.io.IOException;
    import java.sql.Connection;
    import java.sql.DriverManager;
    import java.sql.PreparedStatement;
    import java.sql.ResultSet;
    import java.sql.SQLException;
    import java.sql.Statement;
    import java.util.ArrayList;

    import javax.servlet.ServletException;
    import javax.servlet.annotation.WebServlet;
    import javax.servlet.http.HttpServlet;
    import javax.servlet.http.HttpServletRequest;
    import javax.servlet.http.HttpServletResponse;
    import javax.servlet.http.HttpSession;

    import com.sici.javabean.biao;


    /**
    * Servlet implementation class Select2Servlet
    */
    @WebServlet("/Select2Servlet")
    public class Select2Servlet extends HttpServlet {
    private static final long serialVersionUID = 1L;

    /**
    * @see HttpServlet#HttpServlet()
    */
    public Select2Servlet() {
    super();
    // TODO Auto-generated constructor stub
    }

    /**
    * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
    */
    protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    // TODO Auto-generated method stub
    HttpSession session = request.getSession();
    request.setCharacterEncoding("UTF-8");
    response.setContentType("text/html;charset=UTF-8");

    //1代表模糊,2代表并或
    String JGQC=new String();
    String GKGLSX=new String();
    String SZDY=new String();
    String FRDB=new String();
    String LXR=new String();
    String JGSX=new String();
    String JSXQMC=new String();

    String minzu1=new String();
    String sex1=new String();
    String time1=new String();
    String mianmao1=new String();
    String leibie1=new String();
    String name2=new String();
    String minzu2=new String();
    String sex2=new String();
    String time2=new String();
    String mianmao2=new String();
    String leibie2=new String();

    // 注意数组从1开始
    //t:输入的值 ,s模糊, m并且 ,c:机构全称,
    String t[]=new String[15];
    String s[]=new String[15];
    String m[]=new String[15];
    String c[]=new String[15];

    for(int i=1;i<=14;i++)
    {
    t[i]=request.getParameter("t"+i);
    s[i]=request.getParameter("s"+i);
    c[i]=request.getParameter("c"+i);
    m[i]=request.getParameter("m"+i);
    }

    for(int i=1;i<=14;i++)
    {
    if(c[i]==null)
    c[i]="";
    }

    // 注意数组从1开始
    //zh[][1]为姓名集,zh[][2]为精确或模糊,zh[][3]为并或非
    String zh[][]=new String [15][4];


    for(int i=1;i<=14;i++)
    {
    if(c[i].equals("JGQC"))
    {
    zh[1][0]="JGMC";zh[1][1]=t[i];zh[1][2]=s[i];zh[1][3]=m[i];
    }
    if(c[i].equals("GKGLSX"))
    {
    zh[2][0]="GKGLBM";zh[2][1]=t[i];zh[2][2]=s[i];zh[2][3]=m[i];
    }
    if(c[i].equals("SZDY"))
    {
    zh[3][0]="SZDY";zh[3][1]=t[i];zh[3][2]=s[i];zh[3][3]=m[i];
    }
    if(c[i].equals("FRDB"))
    {
    zh[4][0]="FRDB";zh[4][1]=t[i];zh[4][2]=s[i];zh[4][3]=m[i];
    }
    if(c[i].equals("LXR"))
    {
    zh[5][0]="LXR";zh[5][1]=t[i];zh[5][2]=s[i];zh[5][3]=m[i];
    }
    if(c[i].equals("JGSX"))
    {
    zh[6][0]="JGSX";zh[6][1]=t[i];zh[6][2]=s[i];zh[6][3]=m[i];
    }
    if(c[i].equals("JSXQMC"))
    {
    zh[7][0]="JSXQMC";zh[7][1]=t[i];zh[7][2]=s[i];zh[7][3]=m[i];
    }
    if(c[i].equals("GJZ"))
    {
    zh[8][0]="GJZ";zh[8][1]=t[i];zh[8][2]=s[i];zh[8][3]=m[i];
    }
    if(c[i].equals("NTRZJZE"))
    {
    zh[9][0]="NTRZJZE";zh[9][1]=t[i];zh[9][2]=s[i];zh[9][3]=m[i];
    }
    if(c[i].equals("JSXQJJFS"))
    {
    zh[10][0]="JSXQHZMS";zh[10][1]=t[i];zh[10][2]=s[i];zh[10][3]=m[i];
    }
    if(c[i].equals("KJHDLX"))
    {
    zh[11][0]="KJHDLX";zh[11][1]=t[i];zh[11][2]=s[i];zh[11][3]=m[i];
    }
    if(c[i].equals("XKFL"))
    {
    zh[12][0]="XKFL";zh[12][1]=t[i];zh[12][2]=s[i];zh[12][3]=m[i];
    }
    if(c[i].equals("XQJSSSLY"))
    {
    zh[13][0]="XQJSSSLY";zh[13][1]=t[i];zh[13][2]=s[i];zh[13][3]=m[i];
    }
    if(c[i].equals("XQJSYYHY"))
    {
    zh[14][0]="XQJSYYHY";zh[14][1]=t[i];zh[14][2]=s[i];zh[14][3]=m[i];
    }
    }

    for(int i=1;i<=14;i++)
    {
    if(zh[i][1]==null)
    zh[i][1]="";
    }

    boolean flag=false;

    //给出parmas
    ArrayList<String> params = new ArrayList<String>();

    StringBuffer sb=new StringBuffer();
    sb.append("select * from t_dcwjxx where 1 = 1 ");


    for(int i=1;i<=14;i++)
    {
    if(!zh[i][1].equals("")&&zh[i][1]!=null)
    {
    if(zh[i][3].equals("b"))
    {
    sb.append(" and "+zh[i][0]+" ");
    }else if(zh[i][3].equals("h"))
    {
    sb.append(" or "+zh[i][0]+" ");
    }else
    {
    sb.append(" and "+zh[i][0]+" ");
    sb.append(" <> ? ");params.add(zh[i][1]);
    continue;
    }

    if(zh[i][2].equals("jq"))
    {sb.append(" = ? ");params.add(zh[i][1]);}
    else
    {sb.append(" like ? ");params.add("%" +zh[i][1]+ "%"); }
    }

    }


    System.out.println(sb.toString());
    System.out.println(params);

    String url = "jdbc:mysql://localhost:3306/db_diaoyan?&useSSL=false&serverTimezone=UTC&useUnicode=yes&characterEncoding=utf8";

    Connection conn = null;
    PreparedStatement ps = null;

    try {
    Class.forName("com.mysql.cj.jdbc.Driver");
    conn = DriverManager.getConnection(url, "root", "root");
    } catch (ClassNotFoundException e) {
    response.getWriter().print("加载驱动失败");
    } catch (SQLException e) {
    response.getWriter().print("连接数据库失败");
    }


    ArrayList list = new ArrayList();
    try {
    String sql =sb.toString();
    ps = conn.prepareStatement(sql);

    for(int i=1;i<=params.size();i++)
    {
    ps.setString(i, params.get(i-1));
    System.out.println(params.get(i-1));
    }

    ResultSet rs = ps.executeQuery();
    while(rs.next())
    {
    int wJID = rs.getInt("WJID");
    int sFSH = rs.getInt("SFSH");
    String jGMC = rs.getString("JGMC");
    int qSXQNF = rs.getInt("QSXQNF");
    int jZXQNF = rs.getInt("JZXQNF");
    biao use = new biao(wJID, sFSH, jGMC, qSXQNF, jZXQNF);
    list.add(use);
    }


    } catch (SQLException e) {

    response.getWriter().print("修改失败");
    }

    try {
    if (ps != null) {

    ps.close();
    ps = null;
    }
    if (conn != null) {
    conn.close();
    conn = null;
    }

    } catch (Exception e) {
    response.getWriter().print("关闭失败");
    }



    session.setAttribute("list",list);
    request.getRequestDispatcher( "find2.jsp").forward(request,response);

    }




    /**
    * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
    */
    protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
    // TODO Auto-generated method stub
    doGet(request, response);
    }

    }

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  • 原文地址:https://www.cnblogs.com/kongfanbing/p/14248887.html
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