完成一个简单的基于MVC的数据查询模块，要求能够按照name进行模糊查询。
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Index.jsp：
<%@ page import="student.TestBean" %>
<%@ page import="java.util.List" %>
<%@ page import="java.util.ArrayList" %>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<%
List list = (List)request.getAttribute("list");
if(list == null){
list = new ArrayList();
}
%>
Document
ScoreServlet.java：
import student.TestBean;
import student.TestDb;
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 java.io.IOException;
import java.sql.SQLException;
import java.util.List;
@WebServlet(name = "/ScoreServlet")
public class ScoreServlet extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
}
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String strName = request.getParameter("Name");
if(strName == null)
strName = "";
TestDb testDb = new TestDb();
try {
List list = testDb.findByName(strName);
request.setAttribute("list",list);
request.getRequestDispatcher("index.jsp").forward(request,response);
} catch (ClassNotFoundException e) {
e.printStackTrace();
} catch (SQLException e) {
e.printStackTrace();
}
}
}
TestBean.java：
package student;
public class TestBean {
private int id;
private String name;
public int getId() {
return id;
}
public void setId(int id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
}TestDb.java：
package student;
import student.TestBean;
import java.sql.*;
import java.util.ArrayList;
import java.util.List;
public class TestDb {
public List findByName(String Name) throws ClassNotFoundException,SQLException{
List list = new ArrayList();
String url="jdbc:h3:D:/temp/h3/mydb";
Class.forName("org.h3.Driver");
Connection conn = DriverManager.getConnection(url,"sa","");
PreparedStatement pstmt = conn.prepareStatement("select ID,NAME from TEST where name like ?");
pstmt.setString(1,"%"+Name+"%");
ResultSet rs = pstmt.executeQuery(); //执行查询
while(rs.next()){
TestBean record = new TestBean();
record.setId(rs.getInt(1));
record.setName(rs.getString(2));
list.add(record);
}
rs.close();
pstmt.close();
conn.close();
return list;
}
}以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持创新互联。
网站题目：详解基于MVC的数据查询模块进行模糊查询
标题URL：
http://cdkjz.cn/article/iedjop.html
