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RabbitMQ集成进Spring项目以AMQP的形式------RabbitMQ

package com.alatus.mall.cart.web;

import com.alatus.mall.cart.service.CartService;
import com.alatus.mall.cart.vo.Cart;
import com.alatus.mall.cart.vo.CartItem;
import org.springframework.amqp.core.AmqpAdmin;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class CartController {
    @Autowired
    private CartService cartService;
    @Autowired
    private AmqpAdmin amqpAdmin;
    @GetMapping("/cart.html")
    public String cartListPage(Model model) throws ExecutionException, InterruptedException {
        Cart cart = cartService.getCart();
        model.addAttribute("cart",cart);
        return "cartList";
    }
    @GetMapping("/deleteItem")
    public String deleteItem(@RequestParam("skuId")Long skuId){
        cartService.deleteItem(skuId);
        return "redirect:http://cart.alatusmall.com/cart.html";
    }
    @GetMapping("/createExchange")
    public void createExchange(){
//        声明交换机
        DirectExchange directExchange = new DirectExchange("helloWorld",true,false);
        amqpAdmin.declareExchange(directExchange);
//        队列不能有排他性,要都能连接到这个队列才是正确的
        Queue helloJava = new Queue("helloJava", true, true,false);
        amqpAdmin.declareQueue(helloJava);
        Binding binding = new Binding("helloJava", Binding.DestinationType.QUEUE,"helloWorld","hello",null);
        amqpAdmin.declareBinding(binding);
    }
    @GetMapping("/countItem")
    public String countItem(@RequestParam("skuId") Long skuId, @RequestParam("num") Integer num){
        cartService.changeItemCount(skuId,num);
        return "redirect:http://cart.alatusmall.com/cart.html";
    }
    @GetMapping("/addToCart")
    public String addToCart(@RequestParam("skuId") Long skuId, @RequestParam("num") Integer num, RedirectAttributes model) throws ExecutionException, InterruptedException {
        if(num > 0){
            cartService.addToCart(skuId,num);
//            RedirectAttributes的addAttribute会自动拼串,自动以参数的形式携带数据
//            RedirectAttributes的addFlashAttribute()会保存在session里面,但是仅可以取一次值
            model.addAttribute("skuId",skuId);
            return "redirect:http://cart.alatusmall.com/addToCartSuccess.html";
        }
        return "redirect:http://cart.alatusmall.com/addToCartSuccess.html";
    }
    @GetMapping("/checkItem")
    public String checkItem(@RequestParam("skuId")Long skuId,@RequestParam("check")Integer check){
        cartService.checkItem(skuId,check);
        return "redirect:http://cart.alatusmall.com/cart.html";
    }
    @GetMapping("/addToCartSuccess.html")
    public String addToCartSuccessPage(@RequestParam("skuId")Long skuId,Model model){
        CartItem cartItem = cartService.getCartItem(skuId);
        model.addAttribute("item",cartItem);
        return "success";
    }
}

package com.alatus.mall.cart.web;

import com.alatus.mall.cart.service.CartService;
import com.alatus.mall.cart.vo.Cart;
import com.alatus.mall.cart.vo.CartItem;
import org.springframework.amqp.core.AmqpAdmin;
import org.springframework.amqp.core.Binding;
import org.springframework.amqp.core.DirectExchange;
import org.springframework.amqp.core.Queue;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
import org.springframework.ui.Model;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.servlet.mvc.support.RedirectAttributes;

import java.util.concurrent.ExecutionException;

@Controller
public class CartController {
    @Autowired
    private CartService cartService;
    @Autowired
    private AmqpAdmin amqpAdmin;
    @GetMapping("/cart.html")
    public String cartListPage(Model model) throws ExecutionException, InterruptedException {
        Cart cart = cartService.getCart();
        model.addAttribute("cart",cart);
        return "cartList";
    }
    @GetMapping("/deleteItem")
    public String deleteItem(@RequestParam("skuId")Long skuId){
        cartService.deleteItem(skuId);
        return "redirect:http://cart.alatusmall.com/cart.html";
    }
    @GetMapping("/createExchange")
    public void createExchange(){
//        声明交换机
        DirectExchange directExchange = new DirectExchange("helloWorld",true,false);
        amqpAdmin.declareExchange(directExchange);
//        队列不能有排他性,要都能连接到这个队列才是正确的
        Queue helloJava = new Queue("helloJava", true, true,false);
        amqpAdmin.declareQueue(helloJava);
        Binding binding = new Binding("helloJava", Binding.DestinationType.QUEUE,"helloWorld","hello",null);
        amqpAdmin.declareBinding(binding);
    }
    @GetMapping("/countItem")
    public String countItem(@RequestParam("skuId") Long skuId, @RequestParam("num") Integer num){
        cartService.changeItemCount(skuId,num);
        return "redirect:http://cart.alatusmall.com/cart.html";
    }
    @GetMapping("/addToCart")
    public String addToCart(@RequestParam("skuId") Long skuId, @RequestParam("num") Integer num, RedirectAttributes model) throws ExecutionException, InterruptedException {
        if(num > 0){
            cartService.addToCart(skuId,num);
//            RedirectAttributes的addAttribute会自动拼串,自动以参数的形式携带数据
//            RedirectAttributes的addFlashAttribute()会保存在session里面,但是仅可以取一次值
            model.addAttribute("skuId",skuId);
            return "redirect:http://cart.alatusmall.com/addToCartSuccess.html";
        }
        return "redirect:http://cart.alatusmall.com/addToCartSuccess.html";
    }
    @GetMapping("/checkItem")
    public String checkItem(@RequestParam("skuId")Long skuId,@RequestParam("check")Integer check){
        cartService.checkItem(skuId,check);
        return "redirect:http://cart.alatusmall.com/cart.html";
    }
    @GetMapping("/addToCartSuccess.html")
    public String addToCartSuccessPage(@RequestParam("skuId")Long skuId,Model model){
        CartItem cartItem = cartService.getCartItem(skuId);
        model.addAttribute("item",cartItem);
        return "success";
    }
}

spring.application.name=Mall-cart
spring.rabbitmq.host=192.168.56.10
spring.rabbitmq.port=5672
spring.rabbitmq.virtual-host=/
server.port=30000
spring.redis.host=192.168.56.10
spring.redis.port=6379
alatusmall.thread.keep-alive-time=10
alatusmall.thread.blocking-deque=100000
alatusmall.thread.core-size=20
alatusmall.thread.max-size=200
spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848

spring.application.name=Mall-cart
spring.rabbitmq.host=192.168.56.10
spring.rabbitmq.port=5672
spring.rabbitmq.virtual-host=/
server.port=30000
spring.redis.host=192.168.56.10
spring.redis.port=6379
alatusmall.thread.keep-alive-time=10
alatusmall.thread.blocking-deque=100000
alatusmall.thread.core-size=20
alatusmall.thread.max-size=200
spring.cloud.nacos.discovery.server-addr=127.0.0.1:8848

package com.alatus.mall.cart;

import org.springframework.amqp.rabbit.annotation.EnableRabbit;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.openfeign.EnableFeignClients;

@SpringBootApplication(exclude = DataSourceAutoConfiguration.class)
@EnableDiscoveryClient
@EnableFeignClients
@EnableRabbit
public class MallCartApplication {
    public static void main(String[] args) {
        SpringApplication.run(MallCartApplication.class, args);
    }
}

package com.alatus.mall.cart;

import org.springframework.amqp.rabbit.annotation.EnableRabbit;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.openfeign.EnableFeignClients;

@SpringBootApplication(exclude = DataSourceAutoConfiguration.class)
@EnableDiscoveryClient
@EnableFeignClients
@EnableRabbit
public class MallCartApplication {
    public static void main(String[] args) {
       SpringApplication.run(MallCartApplication.class, args);
    }
}
标签： mybatis 后端 spring boot
本文转载自: https://blog.csdn.net/2201_75960169/article/details/142624463
版权归原作者 旧约Alatus 所有， 如有侵权，请联系我们删除。
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