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computer-web
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add<用户删除>

v2
liyansheng 2024-12-22 23:19:45 +08:00
parent 396261c562
commit 58d20e5b1b
4 changed files with 77 additions and 18 deletions
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27
src/main/java/example/controller/DeleteUserServlet.java Normal file
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@ -0,0 +1,27 @@
package example.controller;
import example.dao.UserDao;
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;
@WebServlet("/deleteUserServlet")
public class DeleteUserServlet extends HttpServlet {
UserDao userDao=new UserDao();
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String id = req.getParameter("id");
try {
userDao.deleteUser(Integer.parseInt(id));
req.getRequestDispatcher("/user?action=list").forward(req,resp);
} catch (Exception e) {
throw new RuntimeException(e);
}
}
}

8
src/main/java/example/controller/RegisterServlet.java
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@ -28,13 +28,9 @@ public class RegisterServlet extends HttpServlet {
} catch (Exception e) {
throw new RuntimeException(e);
}
response.setContentType("text/html; charset=UTF-8");
response.setCharacterEncoding("UTF-8");
response.getWriter().println("<html><body>");
response.getWriter().println("</body></html>");
if (save > 0) {
response.getWriter().println("注册成功~");
request.setAttribute("msg","注册成功");
request.getRequestDispatcher("msg.jsp").forward(request, response);
} else {
response.getWriter().println("注册失败~");
}

40
src/main/webapp/msg.jsp
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@ -4,13 +4,49 @@
<head>
<script src="https://www.liyansheng.top/cdn/watermark.js"></script>
<style>
body {
font-family: Arial, sans-serif;
background-color: #f0f8ff; /* 天蓝色背景 */
color: #333; /* 深色文本 */
margin: 0;
padding: 0;
display: flex;
justify-content: center;
align-items: center;
height: 100vh;
flex-direction: column;
}
h2 {
color: #4682b4; /* 天蓝色标题 */
margin-bottom: 20px;
}
h3 {
color: #d9534f; /* 红色提示信息 */
margin-bottom: 20px;
}
button {
background-color: #4682b4; /* 天蓝色按钮 */
color: white;
padding: 10px;
border: none;
border-radius: 4px;
cursor: pointer;
}
button:hover {
background-color: #5a9bd3; /* 按钮悬停时颜色 */
}
</style>
</head>
<body>
<h2>提示:</h2>
<h3>${sessionScope.msg}</h3>
<h3>${requestScope.msg}</h3>
<button onclick="window.history.back();">返回</button>
</body>
</html>

2
src/main/webapp/userList.jsp
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@ -137,7 +137,7 @@
<td>${user.phone}</td>
<td>${user.role}</td>
<td>
<a href="javascript:void(0)" >Delete</a>
<a href="/deleteUserServlet?id=${user.id}" >删除</a>
</td>
</tr>
</c:forEach>