一: 注入一个testutils类
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package com.shop.sell.utils;
import com.shop.sell.dto.cartdto;
import org.springframework.context.annotation.bean;
import org.springframework.context.annotation.configuration;
@configuration
public class testutils {
@bean(name="testdemo")
public cartdto said() {
cartdto cartdto = new cartdto();
cartdto.setproductid(789);
cartdto.setproductquantity(10);
return cartdto;
}
}
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二: 创建一个获取bean的公共类
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package com.shop.sell.utils;
import org.springframework.beans.beansexception;
import org.springframework.context.applicationcontext;
import org.springframework.context.applicationcontextaware;
import org.springframework.stereotype.component;
@component
public class springutil implements applicationcontextaware{
private static applicationcontext applicationcontext;
@override
public void setapplicationcontext(applicationcontext applicationcontext) throws beansexception {
if(springutil.applicationcontext == null) {
springutil.applicationcontext = applicationcontext;
}
}
public static applicationcontext getapplicationcontext() {
return applicationcontext;
}
public static object getbean(string name){
return getapplicationcontext().getbean(name);
}
public static <t> t getbean(class<t> clazz){
return getapplicationcontext().getbean(clazz);
}
public static <t> t getbean(string name,class<t> clazz){
return getapplicationcontext().getbean(name, clazz);
}
}
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三: 在控制器中获取bean测试结果
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package com.shop.sell.controller;
import com.shop.sell.utils.resultvoutil;
import com.shop.sell.utils.springutil;
import com.shop.sell.vo.productinfovo;
import com.shop.sell.vo.productvo;
import com.shop.sell.vo.resultvo;
import com.shop.sell.dataobject.productcategory;
import com.shop.sell.dataobject.productinfo;
import com.shop.sell.dto.cartdto;
import com.shop.sell.from.orderform;
import com.shop.sell.service.categoryservice;
import com.shop.sell.service.productservice;
import org.springframework.beans.beanutils;
import org.springframework.beans.factory.annotation.autowired;
import org.springframework.context.applicationcontext;
import org.springframework.web.bind.annotation.getmapping;
import org.springframework.web.bind.annotation.requestmapping;
import org.springframework.web.bind.annotation.restcontroller;
import java.util.arraylist;
import java.util.arrays;
import java.util.list;
/**
* 买家商品
*/
@restcontroller
@requestmapping("/buyer/product")
public class buyerproductcontroller {
private static applicationcontext applicationcontext;
@autowired
private productservice productservice;
@autowired
private categoryservice categoryservice;
@getmapping(value = "/list")
public cartdto list(){
cartdto cartdto = (cartdto) springutil.getbean("testdemo");
return cartdto;
}
}
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四: 使用postman测试结果
总结
以上所述是小编给大家介绍的关于springboot获取ioc容器中注入的bean(推荐)，希望对大家有所帮助，如果大家有任何疑问请给我留言，小编会及时回复大家的。在此也非常感谢大家对服务器之家网站的支持！
原文链接：https://blog.csdn.net/weixin_42021727/article/details/80318864