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SpringBoot开发接口

SpringBoot开发接口

作者: 零下的雨 | 来源:发表于2018-11-26 11:00 被阅读0次
    image.png

    1、模拟get请求
    2、模拟get请求返回cookie
    3、模拟get请求携带cookie信息
    4、模拟get请求携带参数
    5、模拟get请求携带参数二
    6、模拟post请求返回cookies信息
    7、模拟post请求携带cookies信息

    1、模拟get请求

    package com.course.server;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

@RestController
public class MyGetMethod {

    @RequestMapping(value = "/useSpringBoot/getcookies",method = RequestMethod.GET)
    public String getCookie(){
        return "这是我的返回结果";
    }
}

    2、模拟get请求返回cookie

    package com.course.server;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;

@RestController
public class MyGetMethod {


    //模拟get请求
    @RequestMapping(value = "/useSpringBoot/get",method = RequestMethod.GET)
    public String get(){
        return "这是我的get请求的返回结果";
    }

    //模拟get请求返回cookie信息
    @RequestMapping(value = "/useSpringBoot/getcookies",method = RequestMethod.GET)
    public String getCookie(HttpServletResponse response){
        Cookie cookie=new Cookie("login","true");
        response.addCookie(cookie);
        return "这是我的get请求返回cookie的请求结果";
    }



}

    3、模拟get请求携带cookie信息

    package com.course.server;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.Objects;

@RestController
public class MyGetMethod {


    //模拟get请求
    @RequestMapping(value = "/useSpringBoot/get",method = RequestMethod.GET)
    public String get(){
        return "这是我的get请求的返回结果";
    }

    //模拟get请求返回cookie信息
    //HttpServletResponse类是一个存储器，可以把cookie等信息加入到response中返回
    @RequestMapping(value = "/useSpringBoot/getResponseCookies",method = RequestMethod.GET)
    public String getResponseCookie(HttpServletResponse response){
        Cookie cookie=new Cookie("login","true");
        response.addCookie(cookie);
        return "这是我的get请求返回cookie的请求结果";
    }

    //模拟get请求携带cookie信息
    //HttpServletRequest类是一个存储器，可以把cookie等信息加入到请求中去访问get请求
    @RequestMapping(value = "/useSpringBoot/getwithCookies",method = RequestMethod.GET)
    public String getwithCookies(HttpServletRequest request){
        //从get请求携带的cookie中获取cookie，并赋值给cookies数组
        Cookie[] cookies = request.getCookies();

        //判断cookies数组是否为空，如果为空返回错误，不为空判断cookies是不是获取到的cookies
        if(Objects.isNull(cookies)){
            return "必须携带cookie信息";
        }
        //foreach循环cookies，对象类型是cookie类，利用cookie类的getName和getValue方法判断cookies信息
        for(Cookie cookie : cookies){
            if(cookie.getName().equals("login") && cookie.getValue().equals("true")){
                return "这是一个携带cookie信息的get请求";
            }
        }
        return "cookies信息校验失败";

    }



}

    4、模拟get请求携带参数

    package com.course.server;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;

@RestController
public class MyGetMethod {


    //模拟get请求
    @RequestMapping(value = "/useSpringBoot/get",method = RequestMethod.GET)
    public String get(){
        return "这是我的get请求的返回结果";
    }

    //模拟get请求返回cookie信息
    //HttpServletResponse类是一个存储器，可以把cookie等信息加入到response中返回
    @RequestMapping(value = "/useSpringBoot/getResponseCookies",method = RequestMethod.GET)
    public String getResponseCookie(HttpServletResponse response){
        Cookie cookie=new Cookie("login","true");
        response.addCookie(cookie);
        return "这是我的get请求返回cookie的请求结果";
    }

    //模拟get请求携带cookie信息
    //HttpServletRequest类是一个存储器，可以把cookie等信息加入到请求中去访问get请求
    @RequestMapping(value = "/useSpringBoot/getwithCookies",method = RequestMethod.GET)
    public String getwithCookies(HttpServletRequest request){
        //从get请求携带的cookie中获取cookie，并赋值给cookies数组
        Cookie[] cookies = request.getCookies();

        //判断cookies数组是否为空，如果为空返回错误，不为空判断cookies是不是获取到的cookies
        if(Objects.isNull(cookies)){
            return "必须携带cookie信息";
        }
        //foreach循环cookies，对象类型是cookie类，利用cookie类的getName和getValue方法判断cookies信息
        for(Cookie cookie : cookies){
            if(cookie.getName().equals("login") && cookie.getValue().equals("true")){
                return "这是一个携带cookie信息的get请求";
            }
        }
        return "cookies信息校验失败";

    }
    //模拟get请求携带参数
    @RequestMapping(value = "/useSpringBoot/getwithParam",method = RequestMethod.GET)
    public Map<String,String> getwithParam(@RequestParam("goodsid") String goodsid,
                                           @RequestParam("goodsdes") String goodsdes){

        Map<String,String> map=new HashMap<>();
        map.put("goodsid",goodsid);
        map.put("goodsdes",goodsdes);

        return map;

    }
}

    5、模拟get请求携带参数二,使用@PathVariable注解获取参数值

    package com.course.server;

import org.springframework.stereotype.Controller;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.util.HashMap;
import java.util.Map;
import java.util.Objects;

@RestController
public class MyGetMethod {


    //模拟get请求
    @RequestMapping(value = "/useSpringBoot/get",method = RequestMethod.GET)
    public String get(){
        return "这是我的get请求的返回结果";
    }

    //模拟get请求返回cookie信息
    //HttpServletResponse类是一个存储器，可以把cookie等信息加入到response中返回
    @RequestMapping(value = "/useSpringBoot/getResponseCookies",method = RequestMethod.GET)
    public String getResponseCookie(HttpServletResponse response){
        Cookie cookie=new Cookie("login","true");
        response.addCookie(cookie);
        return "这是我的get请求返回cookie的请求结果";
    }

    //模拟get请求携带cookie信息
    //HttpServletRequest类是一个存储器，可以把cookie等信息加入到请求中去访问get请求
    @RequestMapping(value = "/useSpringBoot/getwithCookies",method = RequestMethod.GET)
    public String getwithCookies(HttpServletRequest request){
        //从get请求携带的cookie中获取cookie，并赋值给cookies数组
        Cookie[] cookies = request.getCookies();

        //判断cookies数组是否为空，如果为空返回错误，不为空判断cookies是不是获取到的cookies
        if(Objects.isNull(cookies)){
            return "必须携带cookie信息";
        }
        //foreach循环cookies，对象类型是cookie类，利用cookie类的getName和getValue方法判断cookies信息
        for(Cookie cookie : cookies){
            if(cookie.getName().equals("login") && cookie.getValue().equals("true")){
                return "这是一个携带cookie信息的get请求";
            }
        }
        return "cookies信息校验失败";

    }
    //模拟get请求携带参数
    @RequestMapping(value = "/useSpringBoot/getwithParam",method = RequestMethod.GET)
    public Map<String,String> getwithParam(@RequestParam("goodsid") String goodsid,
                                           @RequestParam("goodsdes") String goodsdes){

        Map<String,String> map=new HashMap<>();
        map.put("goodsid",goodsid);
        map.put("goodsdes",goodsdes);

        return map;

    }
    //模拟get请求携带参数 @PathVariable
    @RequestMapping(value = "/useSpringBoot/getwithParamtwo/{goodsid}/{goodsdes}",method = RequestMethod.GET)
    public Map<String,String> getwithParamtwo(@PathVariable("goodsid") String goodsid,
                                               @PathVariable("goodsdes") String goodsdes){
        Map<String,String> map=new HashMap<>();
        map.put("goodsid",goodsid);
        map.put("goodsdes",goodsdes);
        return map;
    }
}

    6、模拟post请求返回cookies信息

    package com.course.server;

import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestMethod;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletResponse;

@RestController
@Api(value = "/",description = "post请求接口")
public class MyPostMethod {

    //定义cookie全局变量，供需要携带cookie的接口使用
    Cookie cookie;

    //定义一个login的post方法，然后返回cookie信息
    @RequestMapping(value = "/useSpringBoot/postlogin",method = RequestMethod.POST)
    @ApiOperation(value = "登录接口返回cookie信息",httpMethod = "POST")
    public String Login(HttpServletResponse response,
                        @RequestParam("name") String name,
                        @RequestParam("password") String password){
        
        
        //如果用户名和密码成功，就添加cookie信息，然后添加到response中，然后成功信息
        if(name.equals("qinzhenxia") && password.equals("123456")){
            cookie=new Cookie("token","1234567890");
            response.addCookie(cookie);
            return "返回cookie，登录成功";
        }
        return "登录失败";


    }


}

    7、模拟post请求携带cookies信息
    以下代码中getusers方法就是携带cookies信息的post请求

    package com.course.server;

import com.course.Bean.User;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.Cookie;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@RestController
@Api(value = "/",description = "post请求接口")
public class MyPostMethod {

    //定义cookie全局变量，供需要携带cookie的接口使用
    Cookie cookie;

    //定义一个login的post方法，然后返回cookie信息
    @RequestMapping(value = "/useSpringBoot/postlogin", method = RequestMethod.POST)
    @ApiOperation(value = "登录接口返回cookie信息", httpMethod = "POST")
    public String Login(HttpServletResponse response,
                        @RequestParam("name") String name,
                        @RequestParam("password") String password) {


        //如果用户名和密码成功，就添加cookie信息，然后添加到response中，然后成功信息
        if (name.equals("qinzhenxia") && password.equals("123456")) {
            cookie = new Cookie("token", "1234567890");
            //在response中添加cookie并返回cookie
            response.addCookie(cookie);
            return "返回cookie，登录成功";
        }
        return "success";


    }

    //创建users对象，getusers接口会用到该对象创建用户登录信息。
    User users;

    //用postman请求Login接口，会自动存储cookie，再请求getusers接口时会自动把cookie带上，所以请求时不需要再单独处理cookie
    //携带cookie信息请求接口，同时返回用户列表的post接口
    @RequestMapping(value = "/useSpringBoot/postResponseUsers", method = RequestMethod.POST)
    @ApiOperation(value = "携带cookie信息请求接口，同时返回用户列表的post接口", httpMethod = "POST")
    public User getusers(HttpServletRequest request, @RequestBody User user) {


        //上一个接口返回的cookie，本接口去获取
        Cookie[] cookie=request.getCookies();
        for(Cookie cookie1 : cookie){
            if(cookie1.getName().equals("token") && cookie1.getValue().equals("1234567890") &&
            user.getLoginname().equals("qinzhenxia") && user.getPassword().equals("123456")){
                //接口的请求参数是Loginname和Password
                //接口的返回参数是Loginname、Password、Name、Age、Sex
                //请求和返回的格式都是json
                //给user类中的属性赋值并返回
                users=new User();
                users.setLoginname("qinzhenxia");
                users.setPassword("123456");
                users.setName("sunqihua");
                users.setAge(28);
                users.setSex("男");
                return users;
            }
        }
        return null;

    }
}

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