查询Oracle数据库，获取最后完成时间，已经测试通过，请具体查看注释

pom.xml

@@ -74,6 +74,18 @@
 
   <!-- maven依赖 -->
   <dependencies>
+    <!--oracle驱动-->
+    <dependency>
+      <groupId>com.oracle.database.jdbc</groupId>
+      <artifactId>ojdbc8</artifactId>
+      <version>19.8.0.0</version>
+    </dependency>
+    <!--用于支持oracle数据库字符，必须使用！！！-->
+    <dependency>
+      <groupId>cn.easyproject</groupId>
+      <artifactId>orai18n</artifactId>
+      <version>12.1.0.2.0</version>
+    </dependency>
     <!-- Apache工具组件 -->
     <dependency>
       <groupId>org.apache.commons</groupId>

src/main/java/com/emr/dao/FinishedDateTimeMapper.java

@@ -0,0 +1,8 @@
+package com.emr.dao;
+
+import com.emr.entity.FinishedDateTime;
+
+
+public interface FinishedDateTimeMapper {
+     FinishedDateTime findByID(Long INP_NO, Long VISIT_ID);
+}

src/main/java/com/emr/entity/FinishedDateTime.java

@@ -0,0 +1,39 @@
+package com.emr.entity;
+
+import java.util.Date;
+
+/**
+ * oracle,数据交互实体类
+ * INP_NO，Long VISIT_ID，这两个属性为预留，现在并没有使用
+ */
+public class FinishedDateTime {
+    private Long INP_NO;
+    private Long VISIT_ID;
+    private Date FINISHED_DATE_TIME;
+
+    public Long getINP_NO() {
+        return INP_NO;
+    }
+
+    public void setINP_NO(Long INP_NO) {
+        this.INP_NO = INP_NO;
+    }
+
+    public Long getVISIT_ID() {
+        return VISIT_ID;
+    }
+
+    public void setVISIT_ID(Long VISIT_ID) {
+        this.VISIT_ID = VISIT_ID;
+    }
+
+    public Date getFINISHED_DATE_TIME() {
+        return FINISHED_DATE_TIME;
+    }
+
+    public void setFINISHED_DATE_TIME(Date FINISHED_DATE_TIME) {
+        this.FINISHED_DATE_TIME = FINISHED_DATE_TIME;
+    }
+
+
+}

src/main/java/com/emr/service/FinishedDateTimeService.java

@@ -0,0 +1,8 @@
+package com.emr.service;
+
+import java.io.IOException;
+import java.util.Date;
+
+public interface  FinishedDateTimeService {
+     Date findByID(Long INP_NO, Long VISIT_ID) throws IOException;
+}

src/main/java/com/emr/service/ipml/FinishedDateTimeServiceImpl.java

@@ -0,0 +1,44 @@
+package com.emr.service.ipml;
+
+import com.emr.dao.FinishedDateTimeMapper;
+import com.emr.entity.FinishedDateTime;
+import com.emr.service.FinishedDateTimeService;
+import org.apache.ibatis.io.Resources;
+import org.apache.ibatis.session.SqlSession;
+import org.apache.ibatis.session.SqlSessionFactory;
+import org.apache.ibatis.session.SqlSessionFactoryBuilder;
+
+import java.io.IOException;
+import java.io.Reader;
+import java.util.Date;
+
+/**
+ * oracle数据获取
+ */
+public class FinishedDateTimeServiceImpl implements FinishedDateTimeService {
+    /**
+     * 实际查询方法
+     *
+     * @param INP_NO   编号
+     * @param VISIT_ID 住院次数
+     * @return 最后完成时间
+     * @throws IOException 注意传入两个参数都是Long，返回一条date类型数据或null，可用tostring()转
+     */
+    @Override
+    public Date findByID(Long INP_NO, Long VISIT_ID) throws IOException {
+        //加载资源
+        String resource = "config/mybatis-config.xml";
+        Reader reader = Resources.getResourceAsReader(resource);
+        //创建session
+        SqlSessionFactory factory = new SqlSessionFactoryBuilder().build(reader);
+        SqlSession session = factory.openSession();
+        //获取映射对象
+        FinishedDateTimeMapper mapper = session.getMapper(FinishedDateTimeMapper.class);
+        FinishedDateTime result = mapper.findByID(INP_NO, VISIT_ID);
+        if (result != null) {
+            Date dateTime = result.getFINISHED_DATE_TIME();
+            return dateTime;
+        }
+        return null;
+    }
+}

src/main/resources/config/applicationContext.xml

@@ -54,7 +54,7 @@
 
         <property name="dataSource" ref="dataSource"></property>
         <!-- 指定mybatis,mapper文件的位置 -->
-        <property name="mapperLocations" value="classpath:mapper/*.xml"/>
+        <property name="mapperLocations" value="classpath*:mapper/**/*.xml"/>
 
     </bean>
 

src/main/resources/config/jdbc.properties

@@ -13,6 +13,17 @@ hibernate.current_session_context_class=thread
 hibernate.jdbc.batch_size=50  
 hibernate.enable_lazy_load_no_trans=true  
 
+
+//oracle连接需要的所有信息，实际直接写死在mybatis-config。xml中
+//驱动
+#driverClass="oracle.jdbc.OracleDriver";
+//地址
+#url="jdbc:oracle:thin:@10.6.0.150:1521:jhemr";
+//用户名
+#username="jswzh";
+//密码
+#password="jswzh123";
+
 #图片地址
 pictureUrl=D:\\test\\uploadImage
 #本地自动生成PDF地址D:\tesst\autoPdf

src/main/resources/config/mybatis-config.xml

@@ -21,5 +21,20 @@
             <property name="reasonable" value="true"/>
         </plugin>
     </plugins>
-
+    <!--  Oracle的配置  -->
+    <environments default="development">
+        <environment id="development">
+            <transactionManager type="JDBC"></transactionManager>
+            <dataSource type="POOLED">
+                <property name="driver" value="oracle.jdbc.OracleDriver"/>
+                <property name="url" value="jdbc:oracle:thin:@10.6.0.150:1521:jhemr"/>
+                <property name="username" value="jswzh"/>
+                <property name="password" value="jswzh123"/>
+            </dataSource>
+        </environment>
+    </environments>
+<!--      Oracle的mapper文件扫描  ，单独测试使用-->
+<!--        <mappers>-->
+<!--            <mapper resource="mapper/FinishedDateTimeMapper.xml"></mapper>-->
+<!--        </mappers>-->
 </configuration>

src/main/resources/mapper/FinishedDateTimeMapper.xml

@@ -0,0 +1,14 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd" >
+<mapper namespace="com.emr.dao.FinishedDateTimeMapper">
+<!--  结果集映射，注意jdbctype  -->
+    <resultMap id="BaseResultMap" type="com.emr.entity.FinishedDateTime">
+        <result column="INP_NO" property="INP_NO" jdbcType="VARCHAR"/>
+        <result column="VISIT_ID" property="VISIT_ID" jdbcType="VARCHAR"/>
+        <result column="FINISHED_DATE_TIME" property="FINISHED_DATE_TIME" jdbcType="DATE"/>
+    </resultMap>
+<!--oracleL里没有limit功能，用rownum限制结果数量，只查询一条-->
+    <select id="findByID" parameterType="long" resultMap="BaseResultMap">
+select finished_date_time from jhemr.v_doctor_pdf2 where inp_no= #{param1} and visit_id =#{param2} and rownum = 1
+    </select>
+</mapper>