From f72aadf813dc4ca71f02726221cf527b9fdf3f60 Mon Sep 17 00:00:00 2001
From: xuxin <840198532@qq.com>
Date: Sun, 17 May 2026 15:27:59 +0800
Subject: [PATCH] =?UTF-8?q?javaEEday05-=E5=88=86=E5=B1=82=E8=A7=A3?=
 =?UTF-8?q?=E8=80=A6-IOC&DI-=E5=85=A5=E9=97=A8?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 .../com/inmind/controller/EmpController.java  |  4 +-
 .../java/com/inmind/dao/impl/EmpDaoA.java     |  2 +
 .../com/inmind/service/impl/EmpServiceA.java  |  5 +-
 .../com/inmind/service/impl/EmpServiceB.java  | 49 +++++++++++++++++++
 4 files changed, 58 insertions(+), 2 deletions(-)
 create mode 100644 springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceB.java

diff --git a/springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java b/springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java
index 1db8873..57772d6 100644
--- a/springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java
+++ b/springboot-web-req-resp/src/main/java/com/inmind/controller/EmpController.java
@@ -5,6 +5,7 @@ import com.inmind.pojo.Result;
 import com.inmind.service.EmpService;
 import com.inmind.service.impl.EmpServiceA;
 import com.inmind.utils.XmlParserUtils;
+import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.web.bind.annotation.RequestMapping;
 import org.springframework.web.bind.annotation.RestController;
 
@@ -14,7 +15,8 @@ import java.util.List;
 public class EmpController {
 
     //定义业务层对象
-    private EmpService empService = new EmpServiceA();//多态
+    @Autowired //运行时,IOC容器会提供该类型的bean对象,并赋值给该变量---依赖注入
+    private EmpService empService;//多态
 
     //定义一个获取员工列表的接口
     @RequestMapping("/listEmp")
diff --git a/springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoA.java b/springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoA.java
index 5dec836..31ccf99 100644
--- a/springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoA.java
+++ b/springboot-web-req-resp/src/main/java/com/inmind/dao/impl/EmpDaoA.java
@@ -3,9 +3,11 @@ package com.inmind.dao.impl;
 import com.inmind.dao.EmpDao;
 import com.inmind.pojo.Emp;
 import com.inmind.utils.XmlParserUtils;
+import org.springframework.stereotype.Component;
 
 import java.util.List;
 
+@Component //将当前类交给IOC容器管理,成为IOC容器的bean -- 控制反转
 public class EmpDaoA implements EmpDao {
     @Override
     public List<Emp> listEmp() {
diff --git a/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceA.java b/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceA.java
index 931dd4b..9575c5b 100644
--- a/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceA.java
+++ b/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceA.java
@@ -4,12 +4,15 @@ import com.inmind.dao.EmpDao;
 import com.inmind.dao.impl.EmpDaoA;
 import com.inmind.pojo.Emp;
 import com.inmind.service.EmpService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
 
 import java.util.List;
 
 public class EmpServiceA implements EmpService {
     //获取dao层的对象，获取数据
-    private EmpDao empDao = new EmpDaoA();
+    @Autowired
+    private EmpDao empDao;
     @Override
     public List<Emp> listEmp() {
         //通过dao层获取数据
diff --git a/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceB.java b/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceB.java
new file mode 100644
index 0000000..9ec7733
--- /dev/null
+++ b/springboot-web-req-resp/src/main/java/com/inmind/service/impl/EmpServiceB.java
@@ -0,0 +1,49 @@
+package com.inmind.service.impl;
+
+import com.inmind.dao.EmpDao;
+import com.inmind.pojo.Emp;
+import com.inmind.service.EmpService;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+
+import java.util.List;
+
+@Component
+public class EmpServiceB implements EmpService {
+    //获取dao层的对象，获取数据
+    @Autowired
+    private EmpDao empDao;
+    @Override
+    public List<Emp> listEmp() {
+        //通过dao层获取数据
+        List<Emp> empList = empDao.listEmp();
+
+        //对数据进行业务处理
+        //2.对数据进行处理
+        empList.stream().forEach((emp->{
+            String gender = emp.getGender();
+            //处理：1 - 男 2- 女
+            if ("1".equals(gender)) {
+                emp.setGender("男士");
+            } else {
+                emp.setGender("女士");
+            }
+
+            //处理职位：1：讲师  2：班主任  3：就业指导
+            String job = emp.getJob();
+            switch (job) {
+                case "1":
+                    emp.setJob("讲师");
+                    break;
+                case "2":
+                    emp.setJob("班主任");
+                    break;
+                case "3":
+                    emp.setJob("就业指导");
+                    break;
+            }
+        }));
+
+        return empList;
+    }
+}