3、spring+mybatis关联映射(无mapper实现类)+idea+maven

3、spring+mybatis关联映射(无mapper实现类)+idea+maven

该工程采用spring+mybatis的关联映射,动态sql,sql片段实现

1、搭建项目结构如下

 

 

2、配置项目的pom.xml文件中的依赖

  1 <?xml version="1.0" encoding="UTF-8"?>
  2 
  3 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  4   xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  5   <modelVersion>4.0.0</modelVersion>
  6 
  7   <groupId>com</groupId>
  8   <artifactId>springmybatis_day44_03</artifactId>
  9   <version>1.0-SNAPSHOT</version>
 10   <packaging>war</packaging>
 11 
 12   <name>springmybatis_day44_03 Maven Webapp</name>
 13   <!-- FIXME change it to the project"s website -->
 14   <url>http://www.example.com</url>
 15 
 16   <properties>
 17     <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
 18     <maven.compiler.source>1.7</maven.compiler.source>
 19     <maven.compiler.target>1.7</maven.compiler.target>
 20   </properties>
 21 
 22 
 23   <dependencies>
 24 
 25     <dependency>
 26       <groupId>junit</groupId>
 27       <artifactId>junit</artifactId>
 28       <version>4.11</version>
 29     </dependency>
 30 
 31     <!--1 https://mvnrepository.com/artifact/org.springframework/spring-beans -->
 32     <dependency>
 33       <groupId>org.springframework</groupId>
 34       <artifactId>spring-beans</artifactId>
 35       <version>4.3.6.RELEASE</version>
 36     </dependency>
 37 
 38 
 39     <!--2 https://mvnrepository.com/artifact/org.springframework/spring-context -->
 40     <dependency>
 41       <groupId>org.springframework</groupId>
 42       <artifactId>spring-context</artifactId>
 43       <version>4.3.6.RELEASE</version>
 44     </dependency>
 45 
 46 
 47     <!-- 3https://mvnrepository.com/artifact/org.springframework/spring-core -->
 48     <dependency>
 49       <groupId>org.springframework</groupId>
 50       <artifactId>spring-core</artifactId>
 51       <version>4.3.6.RELEASE</version>
 52     </dependency>
 53 
 54 
 55     <!--4 https://mvnrepository.com/artifact/org.springframework/spring-expression -->
 56     <dependency>
 57       <groupId>org.springframework</groupId>
 58       <artifactId>spring-expression</artifactId>
 59       <version>4.3.6.RELEASE</version>
 60     </dependency>
 61 
 62 
 63     <!--5 https://mvnrepository.com/artifact/org.springframework/spring-aop -->
 64     <dependency>
 65       <groupId>org.springframework</groupId>
 66       <artifactId>spring-aop</artifactId>
 67       <version>4.3.6.RELEASE</version>
 68     </dependency>
 69 
 70 
 71     <!--6 https://mvnrepository.com/artifact/aopalliance/aopalliance -->
 72     <dependency>
 73       <groupId>aopalliance</groupId>
 74       <artifactId>aopalliance</artifactId>
 75       <version>1.0</version>
 76     </dependency>
 77 
 78 
 79     <!--7 https://mvnrepository.com/artifact/org.aspectj/aspectjweaver -->
 80     <dependency>
 81       <groupId>org.aspectj</groupId>
 82       <artifactId>aspectjweaver</artifactId>
 83       <version>1.8.10</version>
 84     </dependency>
 85 
 86 
 87     <!--8 https://mvnrepository.com/artifact/log4j/log4j -->
 88     <dependency>
 89       <groupId>log4j</groupId>
 90       <artifactId>log4j</artifactId>
 91       <version>1.2.17</version>
 92     </dependency>
 93 
 94 
 95     <!--9 https://mvnrepository.com/artifact/commons-logging/commons-logging -->
 96     <dependency>
 97       <groupId>commons-logging</groupId>
 98       <artifactId>commons-logging</artifactId>
 99       <version>1.2</version>
100     </dependency>
101 
102 
103     <!--10 https://mvnrepository.com/artifact/org.springframework/spring-jdbc -->
104     <dependency>
105       <groupId>org.springframework</groupId>
106       <artifactId>spring-jdbc</artifactId>
107       <version>4.3.6.RELEASE</version>
108     </dependency>
109 
110 
111     <!--11 https://mvnrepository.com/artifact/org.springframework/spring-orm -->
112     <dependency>
113       <groupId>org.springframework</groupId>
114       <artifactId>spring-orm</artifactId>
115       <version>4.3.6.RELEASE</version>
116     </dependency>
117 
118 
119     <!--12 https://mvnrepository.com/artifact/org.springframework/spring-tx -->
120     <dependency>
121       <groupId>org.springframework</groupId>
122       <artifactId>spring-tx</artifactId>
123       <version>4.3.6.RELEASE</version>
124     </dependency>
125 
126 
127     <!--13 https://mvnrepository.com/artifact/org.springframework/spring-web -->
128     <dependency>
129       <groupId>org.springframework</groupId>
130       <artifactId>spring-web</artifactId>
131       <version>4.3.6.RELEASE</version>
132     </dependency>
133 
134 
135     <!--14 https://mvnrepository.com/artifact/org.springframework/spring-webmvc -->
136     <dependency>
137       <groupId>org.springframework</groupId>
138       <artifactId>spring-webmvc</artifactId>
139       <version>4.3.6.RELEASE</version>
140     </dependency>
141 
142 
143     <!--15 https://mvnrepository.com/artifact/org.mybatis/mybatis -->
144     <dependency>
145       <groupId>org.mybatis</groupId>
146       <artifactId>mybatis</artifactId>
147       <version>3.4.6</version>
148     </dependency>
149 
150     <!--17 https://mvnrepository.com/artifact/org.mybatis/mybatis-spring -->
151     <dependency>
152       <groupId>org.mybatis</groupId>
153       <artifactId>mybatis-spring</artifactId>
154       <version>1.3.2</version>
155     </dependency>
156 
157 
158     <!--16 https://mvnrepository.com/artifact/mysql/mysql-connector-java -->
159     <dependency>
160       <groupId>mysql</groupId>
161       <artifactId>mysql-connector-java</artifactId>
162       <version>5.1.38</version>
163     </dependency>
164 
165 
166     <!--18 https://mvnrepository.com/artifact/javax.servlet/javax.servlet-api -->
167     <dependency>
168       <groupId>javax.servlet</groupId>
169       <artifactId>javax.servlet-api</artifactId>
170       <version>3.1.0</version>
171     </dependency>
172 
173     <!--19 https://mvnrepository.com/artifact/javax.servlet/jstl -->
174     <dependency>
175       <groupId>javax.servlet</groupId>
176       <artifactId>jstl</artifactId>
177       <version>1.2</version>
178     </dependency>
179 
180 
181     <!--20 https://mvnrepository.com/artifact/taglibs/standard -->
182     <dependency>
183       <groupId>taglibs</groupId>
184       <artifactId>standard</artifactId>
185       <version>1.1.2</version>
186     </dependency>
187 
188   </dependencies>
189 
190 </project>
pom.xml

3、在java目录下的com.pojo包下构建2个实体类,即Dept.java 和Emp.java

 1 package com.pojo;
 2 import java.util.List;
 3 /**
 4  * 一方引用多方list集合
 5  */
 6 public class Dept {
 7   private Integer deptno   ;
 8   private String  dname    ;
 9   private String  loc          ;
10 
11   public Dept() {
12   }
13 
14   public Dept(Integer deptno, String dname, String loc) {
15     this.deptno = deptno;
16     this.dname = dname;
17     this.loc = loc;
18   }
19 
20   public Integer getDeptno() {
21     return deptno;
22   }
23 
24   public void setDeptno(Integer deptno) {
25     this.deptno = deptno;
26   }
27 
28 
29   public String getDname() {
30     return dname;
31   }
32 
33   public void setDname(String dname) {
34     this.dname = dname;
35   }
36 
37 
38   public String getLoc() {
39     return loc;
40   }
41 
42   public void setLoc(String loc) {
43     this.loc = loc;
44   }
45 
46   @Override
47   public String toString() {
48     return "Dept{" +
49             "deptno=" + deptno +
50             ", dname="" + dname + """ +
51             ", loc="" + loc + """ +
52             "}";
53   }
54 }
Dept.java
  1 package com.pojo;
  2 
  3 /**
  4  * 多方引用一方对象
  5  */
  6 public class Emp {
  7   private Integer empno             ;
  8   private String  ename           ;
  9   private String  job         ;
 10   private Integer mgr           ;
 11   private String  hiredate           ;
 12   private Double  sal         ;
 13   private Double  comm               ;
 14   private Dept dept;
 15 
 16   public Emp() {
 17   }
 18 
 19   public Emp(Integer empno, String ename, String job, Integer mgr, String hiredate, Double sal, Double comm, Dept dept) {
 20     this.empno = empno;
 21     this.ename = ename;
 22     this.job = job;
 23     this.mgr = mgr;
 24     this.hiredate = hiredate;
 25     this.sal = sal;
 26     this.comm = comm;
 27     this.dept = dept;
 28   }
 29 
 30   public Integer getEmpno() {
 31     return empno;
 32   }
 33 
 34   public void setEmpno(Integer empno) {
 35     this.empno = empno;
 36   }
 37 
 38 
 39   public String getEname() {
 40     return ename;
 41   }
 42 
 43   public void setEname(String ename) {
 44     this.ename = ename;
 45   }
 46 
 47 
 48   public String getJob() {
 49     return job;
 50   }
 51 
 52   public void setJob(String job) {
 53     this.job = job;
 54   }
 55 
 56 
 57   public Integer getMgr() {
 58     return mgr;
 59   }
 60 
 61   public void setMgr(Integer mgr) {
 62     this.mgr = mgr;
 63   }
 64 
 65 
 66   public String getHiredate() {
 67     return hiredate;
 68   }
 69 
 70   public void setHiredate(String hiredate) {
 71     this.hiredate = hiredate;
 72   }
 73 
 74 
 75   public Double getSal() {
 76     return sal;
 77   }
 78 
 79   public void setSal(Double sal) {
 80     this.sal = sal;
 81   }
 82 
 83 
 84   public Double getComm() {
 85     return comm;
 86   }
 87 
 88   public void setComm(Double comm) {
 89     this.comm = comm;
 90   }
 91 
 92   public Dept getDept() {
 93     return dept;
 94   }
 95 
 96   public void setDept(Dept dept) {
 97     this.dept = dept;
 98   }
 99 
100   @Override
101   public String toString() {
102     return "Emp{" +
103             "empno=" + empno +
104             ", ename="" + ename + """ +
105             ", job="" + job + """ +
106             ", mgr=" + mgr +
107             ", hiredate="" + hiredate + """ +
108             ", sal=" + sal +
109             ", comm=" + comm +
110             ", dept=" + dept +
111             "}";
112   }
113 }
Emp.java

4、在java目录下的com.mapper包下构建2个映射接口,即DeptMapppr.java 和EmpMapper.java

1 package com.mapper;
2 import com.pojo.Dept;
3 import java.util.List;
4 public interface DeptMapper {
5     List<Dept> selectAllDept();
6 }
DeptMapper.java
 1 package com.mapper;
 2 
 3 import com.pojo.Emp;
 4 
 5 import java.util.List;
 6 
 7 public interface EmpMapper {
 8     List<Emp> selectEmp(Emp emp);
 9     int insertEmp(Emp emp);
10     int updateEmp(Emp emp);
11     int deleteEmp(Emp emp);
12 }
EmpMapper.java

5、在java目录下的com.servicer包下构建2个业务层接口,即DeptService.java 和EmpService.java,和2个业务层接口实现类,即DeptServiceImpl.java 和EmpServiceImpl.java

1 package com.service;
2 
3 import com.pojo.Dept;
4 
5 import java.util.List;
6 
7 public interface DeptService {
8     List<Dept> downOption();
9 }
DeptService.java
 1 package com.service;
 2 
 3 import com.pojo.Emp;
 4 
 5 import java.util.List;
 6 
 7 public interface EmpService {
 8     List<Emp> show(Emp emp);
 9     int add(Emp emp);
10     int edit(Emp emp);
11     int del(Emp emp);
12 }
EmpService.java
 1 package com.service;
 2 
 3 import com.mapper.DeptMapper;
 4 import com.pojo.Dept;
 5 
 6 import java.util.List;
 7 
 8 public class DeptServiceImpl implements DeptService{
 9     private DeptMapper deptMapper;
10 
11     public DeptMapper getDeptMapper() {
12         return deptMapper;
13     }
14 
15     public void setDeptMapper(DeptMapper deptMapper) {
16         this.deptMapper = deptMapper;
17     }
18 
19     @Override
20     public List<Dept> downOption() {
21         return deptMapper.selectAllDept();
22     }
23 }
DeptServiceImpl.java
 1 package com.service;
 2 
 3 import com.mapper.EmpMapper;
 4 import com.pojo.Emp;
 5 
 6 import java.util.List;
 7 
 8 public class EmpServiceImpl implements EmpService {
 9     private EmpMapper empMapper;
10 
11     public EmpMapper getEmpMapper() {
12         return empMapper;
13     }
14 
15     public void setEmpMapper(EmpMapper empMapper) {
16         this.empMapper = empMapper;
17     }
18 
19     @Override
20     public List<Emp> show(Emp emp) {
21         return empMapper.selectEmp(emp);
22     }
23 
24     @Override
25     public int add(Emp emp) {
26         return empMapper.insertEmp(emp);
27     }
28 
29     @Override
30     public int edit(Emp emp) {
31         return empMapper.updateEmp(emp);
32     }
33 
34     @Override
35     public int del(Emp emp) {
36         return empMapper.deleteEmp(emp);
37     }
38 }
EmpServiceImpl.java

6、在resources目录下的mapper包下构建2个映射xml文件,即DeptMapppr.xml和EmpMapper.xml

 1 <?xml version="1.0" encoding="UTF-8" ?>
 2 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
 3 <!--配置规则:-->
 4 <!--有代理的namespace值必须是映射接口全路径,sql节点的id值必须是映射接口中的方法名-->
 5 <!--无代理的namespace值和sql节点的id值是任意的,但一般情况下和和有代理的原则一样-->
 6 <mapper namespace="com.mapper.DeptMapper">
 7      <select id="selectAllDept" resultType="Dept">
 8           select * from dept
 9      </select>
10 </mapper>
DeptMapppr.xml
  1 <?xml version="1.0" encoding="UTF-8" ?>
  2 <!DOCTYPE mapper PUBLIC "-//mybatis.org//DTD Mapper 3.0//EN" "http://mybatis.org/dtd/mybatis-3-mapper.dtd">
  3 <mapper namespace="com.mapper.EmpMapper">
  4    <!-- 案例:select * from emp where empno=#{empno} or ename=#{ename} and job=#{job}
  5     如果select节点中是以上sql语句,parameterType是Emp类型,则此情况可以使用where标签,
  6     where标签的作用是如果if条件不满足则执行,如果满足if条件将会忽略where关键字后的
  7     第一个or或and
  8     select * from emp
  9     <where>
 10         <if test="empno!=null">
 11             empno=#{empno}
 12         </if>
 13         <if test="ename!=null">
 14            or ename=#{ename}
 15         </if>
 16         <if test="job!=null">
 17            and job=#{job}
 18         </if>
 19     </where>
 20     -->
 21     <!--if或when的test条件中的属性判断,必须从参数对象的第一层属性判断起,-->
 22     <!--如果Emp类中有empno属性,有dept对象属性,则要判断empno值和dept中deptno的值,-->
 23     <!--则写法是empno!=null,dept!=null && dept.deptno!=null-->
 24     <select id="selectEmp" resultMap="empmap" parameterType="Emp">
 25          select d.dname,d.loc,e.* from emp e,dept d where e.deptno=d.deptno
 26          <if test="empno!=null">
 27              and e.empno=#{empno}
 28          </if>
 29          <if test="ename!=null">
 30              and e.ename=#{ename}
 31          </if>
 32          <if test="job!=null">
 33              and e.job=#{job}
 34          </if>
 35          <if test="dept!=null and dept.deptno!=null">
 36              and e.deptno=#{dept.deptno}
 37          </if>
 38     </select>
 39 
 40     <resultMap id="empmap" type="Emp">
 41         <!--因为当前多方配置,因此在resultMap中先配置多方的主键和普通列的映射-->
 42         <id column="EMPNO" property="empno"/>
 43         <result column="ENAME" property="ename"/>
 44         <result column="JOB " property="job"/>
 45         <result column="MGR" property="mgr"/>
 46         <result column="HIREDATE" property="hiredate"/>
 47         <result column="SAL" property="sal"/>
 48         <result column="COMM" property="comm"/>
 49 
 50         <!--因为在多方引用了一方的对象,因此在引用一方对象属性的地方配置association节点-->
 51         <!--association节点的property属性对应的多方引用一方的对象属性名,-->
 52         <!--javaType是多方引用一方的类类型即配置类的全路径-->
 53         <!--column是多方关联一方的外键列的列名-->
 54         <association property="dept" javaType="Dept" column="DEPTNO">
 55             <!--由于多方引用的了一方对象,因此在association对象节点下配置一方的主键和普通字段-->
 56             <id column="DEPTNO" property="deptno"/>
 57             <result column="DNAME" property="dname"/>
 58             <result column="LOC" property="loc"/>
 59         </association>
 60     </resultMap>
 61 
 62     <insert id="insertEmp" parameterType="Emp">
 63          INSERT  INTO emp(empno, ename, job, mgr, hiredate, sal, comm, deptno) VALUES
 64          (#{empno},#{ename},#{job},#{mgr},#{hiredate},#{sal},#{comm},#{dept.deptno})
 65     </insert>
 66 
 67     <!--set标签的结束标签要在where条件之前-->
 68     <update id="updateEmp" parameterType="Emp">
 69         UPDATE emp
 70         <set>
 71             <if test="ename!=null">
 72                 ename=#{ename} ,
 73             </if>
 74             <if test="job!=null">
 75                 job=#{job} ,
 76             </if>
 77             <if test="mgr!=null">
 78                    mgr=#{mgr} ,
 79             </if>
 80             <if test="hiredate!=null">
 81                 hiredate=#{hiredate} ,
 82             </if>
 83             <if test="sal!=null">
 84                  sal=#{sal},
 85             </if>
 86             <if test="comm!=null">
 87                comm=#{comm},
 88             </if>
 89             <if test="dept!=null and dept.deptno!=null">
 90                deptno=#{dept.deptno}  ,
 91             </if>
 92         </set>
 93         <include refid="wherecondition"/>
 94     </update>
 95 
 96     <delete id="deleteEmp" parameterType="Emp">
 97         delete from emp
 98         <include refid="wherecondition"/>
 99     </delete>
100 
101      <!--定义公共的sql片段-->
102    <sql id="wherecondition">
103        <where>
104            <if test="empno!=null">
105                empno=#{empno}
106            </if>
107        </where>
108    </sql>
109 
110 </mapper>
EmpMapper.xml

7、在resources根目录下编辑log4j.properties日志文件

 1 log4j.rootLogger=DEBUG, Console  
 2 #Console  
 3 log4j.appender.Console=org.apache.log4j.ConsoleAppender  
 4 log4j.appender.Console.layout=org.apache.log4j.PatternLayout  
 5 log4j.appender.Console.layout.ConversionPattern=%d [%t] %-5p [%c] - %m%n  
 6 
 7 log4j.logger.org.apache=INFO  
 8 log4j.logger.java.sql.ResultSet=INFO  
 9 log4j.logger.java.sql.Connection=DEBUG  
10 log4j.logger.java.sql.Statement=DEBUG  
11 log4j.logger.java.sql.PreparedStatement=DEBUG   
log4j.properties

8、在resources根目录下构建spring的xml文件,即applicationContext.xml日志文件

 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <beans xmlns="http://www.springframework.org/schema/beans"
 3        xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
 4        xmlns:aop="http://www.springframework.org/schema/aop"
 5        xmlns:context="http://www.springframework.org/schema/context"
 6        xmlns:tx="http://www.springframework.org/schema/tx"
 7        xmlns:mvc="http://www.springframework.org/schema/mvc"
 8        xsi:schemaLocation="http://www.springframework.org/schema/beans
 9        http://www.springframework.org/schema/beans/spring-beans.xsd
10        http://www.springframework.org/schema/aop
11        http://www.springframework.org/schema/aop/spring-aop.xsd
12        http://www.springframework.org/schema/context
13        http://www.springframework.org/schema/context/spring-context.xsd
14        http://www.springframework.org/schema/tx
15        http://www.springframework.org/schema/tx/spring-tx.xsd
16        http://www.springframework.org/schema/mvc
17        http://www.springframework.org/schema/mvc/spring-mvc.xsd
18 ">
19     <!--1.驱动管理数据源-->
20     <bean id="dataSource" class="org.springframework.jdbc.datasource.DriverManagerDataSource">
21         <property name="driverClassName" value="com.mysql.jdbc.Driver"/>
22         <property name="url" value="jdbc:mysql://localhost:3306/ar"/>
23         <property name="username" value="root"/>
24         <property name="password" value="123456"/>
25     </bean>
26    <!--2.数据源事务管理,注意id的必须是transactionManager-->
27     <bean id="transactionManager" class="org.springframework.jdbc.datasource.DataSourceTransactionManager">
28         <property name="dataSource" ref="dataSource"/>
29     </bean>
30      <!--3.事务注解驱动-->
31     <tx:annotation-driven transaction-manager="transactionManager"/>
32      <!--4.sqlsessionfactorybean-->
33     <bean id="sqlSessionFactory" class="org.mybatis.spring.SqlSessionFactoryBean">
34           <property name="dataSource" ref="dataSource"/>
35         <!--配置某个包下的类全路径的别名,别名是类名-->
36         <property name="typeAliasesPackage" value="com.pojo"/>
37 
38         <!--引用mybatis映射文件的写法-->
39         <property name="mapperLocations" value="classpath:mapper/*.xml"/>
40 
41         <!--引用mybatis主配置文件的写法-->
42         <!--<property name="configLocation" value="mybatisConfig.xml"/>-->
43     </bean>
44 
45     <!--5.SqlSessionTemplate-->
46     <!--采用构造注入-->
47     <bean id="sqlSessionTemplate" class="org.mybatis.spring.SqlSessionTemplate">
48           <constructor-arg  ref="sqlSessionFactory"/>
49     </bean>
50 
51     <!--6.映射工厂bean,引用映射接口,底层代理会自动帮我们完成映射接口实现类的部分-->
52     <bean id="deptMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
53          <property name="sqlSessionTemplate" ref="sqlSessionTemplate"/>
54         <property name="mapperInterface" value="com.mapper.DeptMapper"/>
55     </bean>
56 
57     <bean id="empMapper" class="org.mybatis.spring.mapper.MapperFactoryBean">
58          <property name="sqlSessionTemplate" ref="sqlSessionTemplate"/>
59         <property name="mapperInterface" value="com.mapper.EmpMapper"/>
60     </bean>
61 
62     <bean id="deptService" class="com.service.DeptServiceImpl">
63          <property name="deptMapper" ref="deptMapper"/>
64     </bean>
65     <bean id="empService" class="com.service.EmpServiceImpl">
66          <property name="empMapper" ref="empMapper"/>
67     </bean>
68 </beans>
applicationContext.xml

9、在java目录下的com.test包下构建测试类,即ScottTest.java

 1 package com.test;
 2 import com.mapper.DeptMapper;
 3 import com.mapper.EmpMapper;
 4 import com.pojo.Dept;
 5 import com.pojo.Emp;
 6 import com.service.DeptService;
 7 import com.service.EmpService;
 8 import org.junit.Test;
 9 import org.springframework.context.ApplicationContext;
10 import org.springframework.context.support.ClassPathXmlApplicationContext;
11 import java.util.List;
12 public class ScottTest {
13     ApplicationContext ac=new ClassPathXmlApplicationContext("applicationContext.xml");
14     DeptService deptService= (DeptService)ac.getBean("deptService");
15     EmpService empService= (EmpService)ac.getBean("empService");
16 
17     @Test
18    public void selectDept(){
19 
20       List<Dept> deptList=deptService.downOption();
21        for (Dept d:deptList) {
22            System.out.println(d);
23        }
24    }
25 
26    @Test
27    public void selectEmp(){
28        Emp emp=new Emp();
29 //       emp.setEmpno(7788);
30 //      emp.setEname("SCOTT");
31     //  emp.setJob("SALESMAN");
32       emp.setDept(new Dept(20,null,null));
33        List<Emp> emplist=empService.show(emp);
34        for (Emp e:emplist ) {
35            System.out.println(e);
36        }
37    }
38 
39    @Test
40    public void insertEmp(){
41        Dept dept= new Dept(10,null,null);
42        Emp emp=new Emp(1,"holly","teacher",7788,
43                "2015-05-05",1200.00,15.00,dept);
44        System.out.println(empService.add(emp)>0?"add success":"add fail");
45    }
46    @Test
47    public void updateEmp(){
48        Dept dept= new Dept(20,null,null);
49        Emp emp=new Emp(1,"holly","teacher",7788,
50                "2015-05-05",1200.00,15.00,dept);
51        System.out.println(empService.edit(emp)>0?"update success":"update fail");
52    }
53    @Test
54    public void deleteEmp(){
55        Emp emp=new Emp();
56        emp.setEmpno(1);
57        System.out.println(empService.del(emp)>0?"delete success":"delete fail");
58    }
59 }
ScottTest.java

10、简单测试某个方法

 

 

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原文地址:https://www.cnblogs.com/holly8/archive/2022/08/19/16601940.html