ajax-axios发送 get请求 或者 发送post请求带有请求体参数

ajax-axios发送 get请求 或者 发送post请求带有请求体参数_第1张图片

/* axios v0.21.1 | (c) 2020 by Matt Zabriskie */
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//# sourceMappingURL=axios.min.map

 1、发送get请求

package com.csdn.servlet;
import jakarta.servlet.GenericServlet;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.annotation.WebServlet;
import java.io.IOException;
import java.io.PrintWriter;
//演示Ajax
@WebServlet("/h09")
public class AjaxServlet extends GenericServlet {
    @Override
    public void service(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException {
        String uname = servletRequest.getParameter("uname");
        uname = uname.toUpperCase();
        PrintWriter out = servletResponse.getWriter();
        out.println(uname);
        out.flush();
    }
}



    
    ajax02
    
    


        uname:
        
服务器响应回来的内容: 

2、发送post请求 

package com.csdn.servlet;
import com.google.gson.Gson;
import jakarta.servlet.GenericServlet;
import jakarta.servlet.ServletException;
import jakarta.servlet.ServletRequest;
import jakarta.servlet.ServletResponse;
import jakarta.servlet.annotation.WebServlet;
import lombok.AllArgsConstructor;
import lombok.Data;
import lombok.NoArgsConstructor;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.PrintWriter;
//演示Ajax
@WebServlet("/h10")
public class PostAxiosAjaxServlet extends GenericServlet {
    @Override
    public void service(ServletRequest servletRequest, ServletResponse servletResponse) throws ServletException, IOException {

        BufferedReader br = servletRequest.getReader();
        StringBuilder stringBuilder = new StringBuilder();
        String str = null;
        if ((str= br.readLine())!=null) {
            stringBuilder.append(str);
        }
        str = stringBuilder.toString();
        System.out.println(str);

        Gson gson = new Gson();
        //已知json字符串,获取Java对象
        Person person = gson.fromJson(str, Person.class);

/*
        String uname = servletRequest.getParameter("uname");
        uname = uname.toUpperCase();
        String address = servletRequest.getParameter("address");
        address = address.toUpperCase();
*/

        PrintWriter out = servletResponse.getWriter();
        out.println(person);
        out.flush();
    }
}
@Data
@NoArgsConstructor
@AllArgsConstructor
class Person{
    private String uname;
    private String address;
}



    
    ajax03
    
    


        uname:
address:

服务器响应回来的内容: 

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