test: 测试列别名的使用。

mybatis-flex-test/mybatis-flex-spring-boot-test/src/main/java/com/mybatisflex/test/model/AccountVO2.java

@@ -0,0 +1,72 @@
+/*
+ *  Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package com.mybatisflex.test.model;
+
+import com.mybatisflex.annotation.As;
+
+/**
+ * @author 王帅
+ * @since 2023-06-30
+ */
+public class AccountVO2 extends IdEntity<Long> {
+
+    private Integer age;
+    @As("account_name")
+    private String userName;
+    private UserVO4 user;
+
+    @Override
+    @As("account_id")
+    public Long getId() {
+        return super.getId();
+    }
+
+    public Integer getAge() {
+        return age;
+    }
+
+    public void setAge(Integer age) {
+        this.age = age;
+    }
+
+    public String getUserName() {
+        return userName;
+    }
+
+    public void setUserName(String userName) {
+        this.userName = userName;
+    }
+
+    public UserVO4 getUser() {
+        return user;
+    }
+
+    public void setUser(UserVO4 user) {
+        this.user = user;
+    }
+
+    @Override
+    public String toString() {
+        return "AccountVO2{" +
+                "id=" + id +
+                ", age=" + age +
+                ", userName='" + userName + '\'' +
+                ", user='" + user + '\'' +
+                '}';
+    }
+
+}

mybatis-flex-test/mybatis-flex-spring-boot-test/src/main/java/com/mybatisflex/test/model/UserVO4.java

@@ -0,0 +1,55 @@
+/*
+ *  Copyright (c) 2022-2023, Mybatis-Flex (fuhai999@gmail.com).
+ *  <p>
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *  <p>
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *  <p>
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+
+package com.mybatisflex.test.model;
+
+/**
+ * 用户 VO 对象。
+ *
+ * @author 王帅
+ * @since 2023-06-30
+ */
+
+public class UserVO4 {
+
+    private String userId;
+
+    private String userName;
+
+    public String getUserId() {
+        return userId;
+    }
+
+    public void setUserId(String userId) {
+        this.userId = userId;
+    }
+
+    public String getUserName() {
+        return userName;
+    }
+
+    public void setUserName(String userName) {
+        this.userName = userName;
+    }
+
+    @Override
+    public String toString() {
+        return "UserVO{" +
+                "userId='" + userId + '\'' +
+                ", userName='" + userName + '\'' +
+                '}';
+    }
+}

mybatis-flex-test/mybatis-flex-spring-boot-test/src/test/java/com/mybatisflex/test/mapper/AccountMapperTest.java

@@ -21,6 +21,7 @@ import com.mybatisflex.core.row.Db;
 import com.mybatisflex.core.row.Row;
 import com.mybatisflex.test.model.Account;
 import com.mybatisflex.test.model.AccountVO;
+import com.mybatisflex.test.model.AccountVO2;
 import com.mybatisflex.test.model.Gender;
 import org.junit.jupiter.api.Assertions;
 import org.junit.jupiter.api.Test;
@@ -33,6 +34,7 @@ import java.util.List;
 import static com.mybatisflex.test.model.table.AccountTableDef.ACCOUNT;
 import static com.mybatisflex.test.model.table.RoleTableDef.ROLE;
 import static com.mybatisflex.test.model.table.UserRoleTableDef.USER_ROLE;
+import static com.mybatisflex.test.model.table.UserTableDef.USER;
 
 /**
  * @author 王帅
@@ -112,4 +114,19 @@ class AccountMapperTest {
                 accountMapper.deleteByQuery(QueryWrapper.create()));
     }
 
+    @Test
+    void testAs() {
+        QueryWrapper queryWrapper = QueryWrapper.create()
+                .select(ACCOUNT.ID.as("account_id"),
+                        ACCOUNT.AGE,
+                        ACCOUNT.USER_NAME.as("account_name"),
+                        USER.USER_ID,
+                        USER.USER_NAME)
+                .from(ACCOUNT.as("a"), USER.as("u"))
+                .where(ACCOUNT.ID.eq(1))
+                .limit(1);
+        AccountVO2 account = accountMapper.selectOneByQueryAs(queryWrapper, AccountVO2.class);
+        System.out.println(account);
+    }
+
 }