IDEA2023(1)html页面输入姓名和学号信息, (2)Servlet1将姓名和学号合并为一个字符串,传给Servlet2,Servlet2在获取的字符串前面加上“1111”
时间: 2024-09-23 22:00:52 浏览: 1
在IntelliJ IDEA 2023中创建这样的功能,你需要完成以下几个步骤:
1. **HTML 页面**:
- 创建一个新的HTML表单,包含两个输入字段,一个是`<input type="text" name="name">`用于输入姓名,另一个是`<input type="number" name="studentID">`用于输入学号。记得添加一个提交按钮 `<button type="submit">提交</button>`。
```html
<!DOCTYPE html>
<html lang="zh">
<head>
<meta charset="UTF-8">
<title>姓名学号输入</title>
</head>
<body>
<form action="Servlet1" method="post">
姓名:<input type="text" name="name"><br>
学号:<input type="number" name="studentID"><br>
<input type="submit" value="提交">
</form>
</body>
</html>
```
2. **Servlet1 (Java)**:
- 在Servlet1中,你需要处理POST请求,并从请求参数中获取姓名和学号。然后,你可以使用`String.format()`或者其他方式将它们合并成一个字符串。
```java
@WebServlet("/Servlet1")
public class Servlet1 extends HttpServlet {
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String name = request.getParameter("name");
int studentID = Integer.parseInt(request.getParameter("studentID"));
String combinedInfo = "姓名:" + name + ",学号:" + studentID;
// 将信息转发到Servlet2
RequestDispatcher dispatcher = getServletContext().getRealPath("/Servlet2");
dispatcher.forward(request, response);
}
}
```
3. **Servlet2 (Java)**:
- Servlet2接收到来自Servlet1的信息后,在响应前将其处理。这里可以在响应头添加新的内容并发送回客户端。
```java
@WebServlet("/Servlet2")
public class Servlet2 extends HttpServlet {
protected void service(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
String receivedInfo = (String) request.getAttribute("combinedInfo");
String finalOutput = "1111" + receivedInfo; // 在前面加上"1111"
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out.println(finalOutput); // 输出到浏览器
}
}
```