java（servlet代码页面）
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("/servlet")
public class heihie extends HttpServlet {
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
String name = req.getParameter("name");
String password = req.getParameter("password");
resp.getWriter().println("我的名字叫"+name+"我的密码是"+password);
}
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
doGet(req,resp);
}
}
jsp代码页面
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<html>
<head>
<title>Title</title>
<script type="text/javascript" src="../js/jquery-3.3.1.js"></script>
<script type="text/javascript">
function heihei() {
$.get(
"/servlet",
"name=gege & password=123",
function (date) {
alert(date);
},
"callback"
);
}
</script>
</head>
<body>
<input type="button" value="ajax" onclick="heihei()">
</body>
</html>
点击按钮就会报错
