String sql="select * from 表名 where (name like ‘%"+name+"%‘)"; 这里的name可以根据自己的需要进行修改 多条件模糊查询 String sql="select * from 表名 where (name like ‘%"+name+"%‘) and (age like ‘%"+age+"%‘)"; 这里的name和age都是可以根据自己的需要进行更换
Connection con=Databass.Databass.getConn();
//实现模糊查询
public List<Member> search(String name){
List<Member> list=new ArrayList<Member>();
PreparedStatement pre=null;
ResultSet rs=null;
String sql="select * from duoText where(name like ‘%"+name+"%‘)";
try {
pre=con.prepareStatement(sql);
rs=pre.executeQuery();
while(rs.next()) {
Member ww=new Member();
ww.setName(rs.getString("name"));
ww.setAge(rs.getString("age"));
ww.setHeight(rs.getString("height"));
ww.setWeight(rs.getString("weigth"));
list.add(ww);
}
}catch(Exception w) {
w.printStackTrace();
}finally {
Databass.Databass.close(rs, pre, con);
}
return list;
}
}
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//设置请求字体
request.setCharacterEncoding("utf-8");
response.setContentType("text/html;charset=utf-8");
String name=request.getParameter("name");
Method ww=new Method();
List<Member> list=ww.search(name);
request.setAttribute("list", list);
request.getRequestDispatcher("/search1.jsp").forward(request, response);
}
1
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="ServletSearch" method="post">
姓名<label>（模糊查询）</label>
<input type="text" name="name"><br>
<input type="submit" value="查询">
</form>
</body>
</html>
2.
<%@ page language="java" contentType="text/html; charset=UTF-8"
pageEncoding="UTF-8"%>
<%@page import="Method.*,Member.*,java.util.List,Servlet.*" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
<table>
<tr>
<td>姓名</td>
<td>年龄</td>
<td>高度</td>
<td>宽度</td>
</tr>
<%
String name=request.getParameter("name");
Method ww=new Method();
List<Member> list=ww.search(name);
request.setAttribute("list", list);
%>
<c:forEach var="u" items="${list}">
<tr>
<td>${u.name}</td>
<td>${u.age}</td>
<td>${u.height}</td>
<td>${u.weight}</td>
</tr>
</c:forEach>
</table>
</body>
</html>这只是部分代码，剩余代码在以往博客中有。
原文地址：https://www.cnblogs.com/lianggegege123/p/12058471.html
时间： 2024-11-08 21:04:27