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无情哈拉主 · 发表于 2022-10-13 20:51:51

马上注册，结交更多好友，享用更多功能^_^

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x

见倒数第五行，为什么查找不到路径？

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<meta charset="UTF-8">
<title>注册页面</title>
</head>
<body>
<form action="RegAction" method="post" enctype="multipart/form-data">
<h1>注册页面</h1>
<h1>21 人工智能徐家豪</h1>
<hr width="100%" size="5" color="black" >

<p style="color: #ff0000">${username}</p>
<p>${password}</p>
<p>${sex}</p>
<p>${major}</p>
<p>${like}</p>
<img src="girl.jpg" width="200px"/><br>

用户名:<input type="text" name="username"/>
<br><br>
密码:<input type="password" name="password"/>
<br><br>
性别:
<input type="radio" name="sex" value="男" checked/>男
<input type="radio" name="sex" value="女"/>女
<br><br>
兴趣:
<input type="checkbox" name="like" value="唱"/>唱
<input type="checkbox" name="like" value="跳"/>跳
<input type="checkbox" name="like" value="rap"/>rap
<input type="checkbox" name="like" value="篮球"/>篮球
<br><br>
学历:
<select name="major">
      <option value="信息管理">信息管理</option>
      <option value="软件工程">软件工程</option>
      <option selected value="人工智能">人工智能</option>
</select>
<br><br>
简介:<textarea rows="5" cols="20" name="introduction"></textarea>
<br><br>
文件:<input type="file" name="myFile"/>
<br><br>
<input type="submit" value="注册"/>
<input type="reset" value="重置"/>
</form>
</body>
</html>

package xjh.servlet;

import javax.servlet.*;
import javax.servlet.http.*;
import javax.servlet.annotation.*;
import javax.xml.soap.SOAPElementFactory;
import java.io.IOException;
import java.lang.reflect.Array;
import java.util.Date;
import java.util.UUID;

@WebServlet("/RegAction")
@MultipartConfig(location = "D:/jerbrain/img", maxFileSize = 1024 * 1024 * 5)
public class RegActionServlet extends HttpServlet {

@Override
protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
      req.setCharacterEncoding("UTF-8");
      System.out.println("id:" + req.getRemoteAddr());
      System.out.println(new Date());
      String username = req.getParameter("username");
      String password = req.getParameter("password");
      String sex = req.getParameter("sex");
      String major = req.getParameter("major");
//       String like=req.getParameter("like");
      String[] like = req.getParameterValues("like");
      String s = "";
      if (like == null) {
         s = "无";
      } else {
         for (String L : like) {
            s += L;
            s += " ";
         }
      }
      System.out.println("username:" + username);
      System.out.println("password:" + password);
      System.out.println("sex:" + sex);
      System.out.println("major:" + major);
      System.out.println("like:" + s);

      Part part = req.getPart("myFile");
      String cd = part.getHeader("Content-Disposition");
//       System.out.println(cd);
      String filename = cd.substring(cd.lastIndexOf("=") + 2, cd.length() - 1);
//       System.out.println(filename);
      String filename1 = UUID.randomUUID().toString() + ".jpg";
//       System.out.println(filename1);
      part.write(filename1);

      req.setAttribute("filename",filename1);
      req.setAttribute("username", username);
      req.setAttribute("password", password);
      req.setAttribute("sex", sex);
      req.setAttribute("major", major);
      req.setAttribute("like", like);

      req.getRequestDispatcher("regSuccess.jsp").forward(req, resp);

}

@Override
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {

}

@Override
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
//       response.setContentType("text/html;charset=UTF-8");
//       request.setCharacterEncoding("UTF-8");
}
}

<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>注册成功</title>
</head>
<body>
<p style="color: #ff0000">${username}</p>

<ul>
<li>用户信息</li>
<li>用户名：${username}</li>
<li>密码：${password}</li>
<li>性别：${sex}</li>
<li>专业：${major}</li>
<li>兴趣：${like}</li>
<li><img src="D:/jerbrain/img/${filename}" width="200px"/></li>
<li><a href="reg.jsp">返回登入页面</a></li>
</ul>
</body>
</html>

最佳答案

月排行榜 / 总排行榜

Twilight6

2022-10-13 22:12:49

你说的第五行是哪个？这 jsp 代码和 servlet 代码都在

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