User user = new User() {{ setUser_id(1); setPassword("123"); setUsername("测试1"); }}; java获取所有值
时间: 2024-03-08 16:50:12 浏览: 16
要获取 User 对象的所有属性值,可以使用 Java 反射机制。具体实现代码如下:
```
User user = new User() {{
setUser_id(1);
setPassword("123");
setUsername("测试1");
}};
Field[] fields = user.getClass().getDeclaredFields();
for (Field field : fields) {
field.setAccessible(true);
try {
Object value = field.get(user);
System.out.println(field.getName() + ": " + value);
} catch (IllegalAccessException e) {
e.printStackTrace();
}
}
```
该代码首先获取 User 类的所有属性(包括私有属性),然后遍历所有属性,设置可访问性为 true,最后通过 get 方法获取属性值并打印输出。
相关问题
public boolean userRegister(String username, String password) { User user = new User(); user.setUsername(username); user.setPassword(password); return userDao.addUser(user); }请使用EasyMock给如上函数编写测试代码
import org.easymock.EasyMock;
import org.junit.Assert;
import org.junit.Before;
import org.junit.Test;
public class UserRegisterTest {
private UserDao userDao;
private UserRegister userRegister;
@Before
public void setUp() {
userDao = EasyMock.createMock(UserDao.class);
userRegister = new UserRegister(userDao);
}
@Test
public void testUserRegister() {
String username = "testuser";
String password = "testpassword";
User user = new User();
user.setUsername(username);
user.setPassword(password);
EasyMock.expect(userDao.addUser(user)).andReturn(true);
EasyMock.replay(userDao);
boolean result = userRegister.userRegister(username, password);
Assert.assertTrue(result);
EasyMock.verify(userDao);
}
}
补充setusername,setpassword方法
好的,以下是补充了 `setUsername` 和 `setPassword` 方法的 User 类示例代码:
```java
public class User {
private Long id;
private String username;
private String password;
private String email;
private String role;
public User(Long id, String username, String password, String email, String role) {
this.id = id;
this.username = username;
this.password = password;
this.email = email;
this.role = role;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getUsername() {
return username;
}
public void setUsername(String username) {
this.username = username;
}
public String getPassword() {
return password;
}
public void setPassword(String password) {
this.password = password;
}
public String getEmail() {
return email;
}
public void setEmail(String email) {
this.email = email;
}
public String getRole() {
return role;
}
public void setRole(String role) {
this.role = role;
}
public static void main(String[] args) {
User user = new User(1L, "john", "password123", "john@example.com", "user");
System.out.println(user.getUsername()); // 输出 john
user.setUsername("mary");
user.setPassword("newpassword456");
System.out.println(user.getUsername()); // 输出 mary
System.out.println(user.getPassword()); // 输出 newpassword456
}
}
```
在上述代码中,我们补充了 `setUsername` 和 `setPassword` 方法,用于设置 User 对象的用户名和密码。在 main 方法中,我们创建了一个 User 对象,并输出其用户名。接着,我们使用 `setUsername` 和 `setPassword` 方法修改了 User 对象的用户名和密码,并输出修改后的结果。