Merge branch 'master' of github.com:heibaiying/Spring-All-In-One

spring-boot/spring-boot-data-jpa/src/main/java/com/heibaiying/springboot/bean/Programmer.java

@@ -19,7 +19,7 @@ import java.util.Date;
 @AllArgsConstructor
 @NoArgsConstructor
 @Entity                      // 表示该类是一个数据库表映射实体
-@Table(name = "programmer") // 指明对应的数据库表的名称 不指定的默认就是类名
+@Table(name = "programmer")  // 指明对应的数据库表的名称 不指定的默认就是类名
 public class Programmer {
 
     /* AUTO:     默认值,主键由程序控制
@@ -41,6 +41,7 @@ public class Programmer {
 
     private Date birthday;
 
+
     public Programmer(String name, int age, float salary, Date birthday) {
         this.name = name;
         this.age = age;

spring-boot/spring-boot-data-jpa/src/main/java/com/heibaiying/springboot/dao/ProgRepository.java

@@ -12,27 +12,27 @@ import java.util.List;
 
 /**
  * @author : heibaiying
- * @description : 查询接口 继承自CrudRepository  CrudRepository 默认实现了部分增删改查方法
+ * @description : 查询接口继承自CrudRepository,CrudRepository 默认定义了部分增删改查方法
  */
 public interface ProgRepository extends CrudRepository<Programmer, Integer> {
 
     /*
-     *方法名遵循命名规范的查询 更多命名规范可以参考官方文档所列出的这张表格
+     * 方法名遵循命名规范的查询 更多命名规范可以参考官方文档所列出的这张表格
      * https://docs.spring.io/spring-data/jpa/docs/2.1.3.RELEASE/reference/html/#jpa.query-methods.query-creation
      */
     List<Programmer> findAllByName(String name);
 
     /*
-     *分页查询
+     *分页排序查询
      */
-    List<Programmer> findByAndSort(String name, Sort sort);
+    Page<Programmer> findAll(Pageable pageable);
 
 
     /*
      * 占位符查询
      */
     @Query(value = "select u from Programmer u where u.name = ?1 or u.salary =  ?2")
-    List<Programmer> findByCondition(String name, float salary);
+    List<Programmer> findByConditionAndOrder(String name, float salary, Sort.Order order);
 
 
     /*
@@ -40,5 +40,5 @@ public interface ProgRepository extends CrudRepository<Programmer, Integer> {
      */
     @Query("select u from Programmer u where u.name = :name or u.age = :age")
     Programmer findByParam(@Param("name") String name,
-                                   @Param("age") int age);
+                           @Param("age") int age);
 }

spring-boot/spring-boot-data-jpa/src/main/resources/application.yml

@@ -5,10 +5,8 @@ spring:
     password: root
     driver-class-name: com.mysql.cj.jdbc.Driver
   jpa:
-      hibernate:
+    hibernate:
-        # <20><><EFBFBD><EFBFBD>ʵ<EFBFBD>岻һ<E5B2BB><D2BB>ʱ<EFBFBD><CAB1>,<2C><><EFBFBD><EFBFBD>Ӧ<EFBFBD>ĸ<EFBFBD><C4B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ<EFBFBD><DDBF>еı<D0B5><C4B1>ṹ<EFBFBD><E1B9B9><EFBFBD><EFBFBD><EFBFBD>Ǵ<EFBFBD><C7B4>ڱ<EFBFBD><DAB1><EFBFBD>ԭ<EFBFBD>ȵ<EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>ɾ<EFBFBD><C9BE>
+      ddl-auto: update
-        ddl-auto: update
+    #Hibernate默认创建的表是myisam引擎，可以用以下方式指定为使用innodb创建表
-      # HibernateĬ<65>ϴ<EFBFBD><CFB4><EFBFBD><EFBFBD>ı<EFBFBD><C4B1><EFBFBD>myisam<61><6D><EFBFBD>棬<EFBFBD><E6A3AC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>·<EFBFBD>ʽָ<CABD><D6B8>ΪĬ<CEAA><C4AC>ʹ<EFBFBD><CAB9>innodb<64><62><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+    database-platform: org.hibernate.dialect.MySQL57Dialect
-      database-platform: org.hibernate.dialect.MySQL57Dialect
+    show-sql: true
-      show-sql: true
-

spring-boot/spring-boot-data-jpa/src/test/java/com/heibaiying/springboot/DataJPATests.java

@@ -0,0 +1,95 @@
+package com.heibaiying.springboot;
+
+import com.heibaiying.springboot.bean.Programmer;
+import com.heibaiying.springboot.dao.ProgRepository;
+import org.junit.Assert;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.boot.test.context.SpringBootTest;
+import org.springframework.data.domain.Page;
+import org.springframework.data.domain.PageRequest;
+import org.springframework.data.domain.Sort;
+import org.springframework.test.context.junit4.SpringRunner;
+
+import java.util.ArrayList;
+import java.util.Date;
+import java.util.List;
+import java.util.Optional;
+
+@RunWith(SpringRunner.class)
+@SpringBootTest
+public class DataJPATests {
+
+    @Autowired
+    private ProgRepository repository;
+
+
+    /**
+     * 保存数据测试
+     */
+    @Test
+    public void save() {
+        // 保存单条数据
+        repository.save(new Programmer("pro01", 12, 2121.34f, new Date()));
+        // 保存多条数据
+        List<Programmer> programmers = new ArrayList<>();
+        programmers.add(new Programmer("pro02", 22, 3221.34f, new Date()));
+        programmers.add(new Programmer("pro03", 32, 3321.34f, new Date()));
+        programmers.add(new Programmer("pro04", 44, 4561.34f, new Date()));
+        programmers.add(new Programmer("pro01", 44, 4561.34f, new Date()));
+        repository.saveAll(programmers);
+    }
+
+
+    /**
+     * 查询数据测试
+     */
+    @Test
+    public void get() {
+
+        // 遵循命名规范的查询
+        List<Programmer> programmers = repository.findAllByName("pro01");
+        programmers.forEach(System.out::println);
+
+        // 传入参数名称
+        Programmer param = repository.findByParam("pro02", 22);
+        System.out.println("findByParam:" + param);
+
+        // 占位符查询
+        List<Programmer> byCondition = repository.findByConditionAndOrder("pro03", 3321.34f, Sort.Order.asc("salary"));
+        System.out.println("byCondition:" + byCondition);
+
+        //条件与分页查询 需要注意的是这里的页数是从第0页开始计算的
+        Page<Programmer> page = repository.findAll(PageRequest.of(0, 10, Sort.Direction.DESC, "salary"));
+        page.get().forEach(System.out::println);
+    }
+
+
+    /**
+     * 更新数据测试
+     */
+    @Test
+    public void update() {
+        // 保存主键相同的数据就认为是更新操作
+        repository.save(new Programmer(1, "updatePro01", 12, 2121.34f, new Date()));
+        Optional<Programmer> programmer = repository.findById(1);
+        Assert.assertEquals(programmer.get().getName(), "updatePro01");
+    }
+
+
+    /**
+     * 删除数据测试
+     */
+    @Test
+    public void delete() {
+        Optional<Programmer> programmer = repository.findById(2);
+        if (programmer.isPresent()) {
+            repository.deleteById(2);
+        }
+        Assert.assertFalse(programmer.isPresent());
+    }
+
+
+}
+

spring-boot/spring-boot-data-jpa/src/test/java/com/heibaiying/springboot/SpringBootDataJpaApplicationTests.java

@@ -1,57 +0,0 @@
-package com.heibaiying.springboot;
-
-import com.heibaiying.springboot.bean.Programmer;
-import com.heibaiying.springboot.dao.ProgRepository;
-import org.junit.Test;
-import org.junit.runner.RunWith;
-import org.springframework.beans.factory.annotation.Autowired;
-import org.springframework.boot.test.context.SpringBootTest;
-import org.springframework.data.domain.Page;
-import org.springframework.data.domain.PageRequest;
-import org.springframework.data.domain.Sort;
-import org.springframework.data.jpa.domain.JpaSort;
-import org.springframework.test.context.junit4.SpringRunner;
-
-import java.util.Date;
-import java.util.List;
-import java.util.Optional;
-import java.util.stream.Stream;
-
-@RunWith(SpringRunner.class)
-@SpringBootTest
-public class SpringBootDataJpaApplicationTests {
-
-    @Autowired
-    private ProgRepository repository;
-
-    @Test
-    public void save() {
-        repository.save(new Programmer("xiaoxiao", 12, 2121.34f, new Date()));
-    }
-
-
-    @Test
-    public void get() {
-        // 遵循命名规范的查询
-        List<Programmer> programmers = repository.findAllByName("xiaominng");
-        programmers.forEach(System.out::println);
-        // 传入参数名称
-        Programmer param = repository.findByParam("xiaolan", 21);
-        System.out.println("findByParam:" + param);
-        // 占位符查询
-        List<Programmer> byCondition = repository.findByCondition("xiaolan", 347.34f);
-        System.out.println("byCondition:" + byCondition);
-        //条件与分页查询
-        List<Programmer> programmerList = repository.findByAndSort("xiaominng", Sort.by("salary"));
-        programmerList.forEach(System.out::println);
-    }
-
-    @Test
-    public void delete() {
-        Optional<Programmer> programmer = repository.findById(4);
-        if (programmer.isPresent()) {
-            repository.deleteById(4);
-        }
-    }
-}
-