一: 注入一個testutils類
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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; @configurationpublic class testutils { @bean(name="testdemo") public cartdto said() { cartdto cartdto = new cartdto(); cartdto.setproductid(789); cartdto.setproductquantity(10); return cartdto; } } |
二: 創建一個獲取bean的公共類
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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; @componentpublic 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); } } |
三: 在控制器中獲取bean測試結果
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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; /** * 買家商品 */@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; } } |
四: 使用postman測試結果
總結
以上所述是小編給大家介紹的關于springboot獲取ioc容器中注入的bean(推薦)，希望對大家有所幫助，如果大家有任何疑問請給我留言，小編會及時回復大家的。在此也非常感謝大家對服務器之家網站的支持！
原文鏈接：https://blog.csdn.net/weixin_42021727/article/details/80318864
