//SELECT id,user_name,password,name,age,sex,birthday,created,updated FROM t_user WHERE ( age=? ) 根据年龄就行查询
@Test
public void test1(){
User user = new User();
user.setAge(28);
List list = userMapper.select(user);
list.stream().forEach(System.out::println);
}
//SELECT id,user_name,password,name,age,sex,birthday,created,updated FROM t_user WHERE ( id=? ) 根据id就行查询
@Test
public void test3(){
User user = new User();
user.setId(35L);
List list = userMapper.select(user);
list.stream().forEach(System.out::println);
}
//SELECT id,user_name,password,name,age,sex,birthday,created,updated WHERE ( name=? ) 根据姓名就行查询
@Test
public void test2(){
User user = new User();
user.setName("baby");
List list = userMapper.select(user);
list.stream().forEach(System.out::println);
}
//SELECT id,user_name,password,name,age,sex,birthday,created,updated FROM t_user WHERE ( sex=? ) 根据性别就行查询
@Test
public void test4(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andEqualTo("sex",0);
List list = userMapper.selectByExample(example);
list.stream().forEach(System.out::println);
}
//SELECT id,user_name,password,name,age,sex,birthday,created,updated FROM t_user WHERE ( sex=? and name like ? ) 根据性别和姓名就行查询
@Test
public void test5(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andEqualTo("sex",0);
criteria.andLike("name","%b%");
List list = userMapper.selectByExample(example);
list.stream().forEach(System.out::println);
}
//SELECT id,user_name,password,name,age,sex,birthday,created,updated FROM t_user WHERE ( sex=? or name like ? ) 根据性别或者姓名就行查询
@Test
public void test6(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andEqualTo("sex",0);
criteria.orLike("name","%b%");
List list = userMapper.selectByExample(example);
list.stream().forEach(System.out::println);
}
//SELECT id,user_name,password,name,age,sex,birthday,created,updated FROM t_user WHERE ( sex=? or name=? and age between ? and ?)
@Test
public void test7(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andEqualTo("sex",0);
criteria.orLike("name","%b%");
criteria.andBetween("age",10,50);
List list = userMapper.selectByExample(example);
list.stream().forEach(System.out::println);
}
//SELECT id,user_name,password,name,age,sex,birthday,created,updated FROM t_user WHERE ( sex=? or name=? and age > ?) 根据性别或者姓名和age>?就行查询
@Test
public void test8(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andEqualTo("sex",0);
criteria.orLike("name","%b%");
//criteria.andBetween("age",10,50);
criteria.andGreaterThan("age",10);
List list = userMapper.selectByExample(example);
list.stream().forEach(System.out::println);
}
//SELECT id,user_name,password,name,age,sex,birthday,created,updated FROM t_user WHERE ( sex=? or name=? and age < ?)
@Test
public void test9(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andEqualTo("sex",0);
criteria.orLike("name","%b%");
//criteria.andBetween("age",10,50);
criteria.andLessThan("age",50);
List list = userMapper.selectByExample(example);
list.stream().forEach(System.out::println);
}
//SELECT id,user_name,password,name,age,sex,birthday,created,updated FROM t_user WHERE ( sex=? or name=? and age >= ?)
@Test
public void test10(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andGreaterThanOrEqualTo("age",10);
List list = userMapper.selectByExample(example);
list.stream().forEach(System.out::println);
}
//SELECT id,user_name,password,name,age,sex,birthday,created,updated FROM t_user WHERE ( age is null )
@Test
public void test11(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andIsNull("age");
List list = userMapper.selectByExample(example);
list.stream().forEach(System.out::println);
}
//SELECT id,user_name,password,name,age,sex,birthday,created,updated FROM t_user WHERE ( age is not null )
@Test
public void test12(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andIsNotNull("age");
List list = userMapper.selectByExample(example);
list.stream().forEach(System.out::println);
}
//SELECT id,user_name,password,name,age,sex,birthday,created,updated FROM t_user WHERE ( age not like ? )
@Test
public void test13(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andNotLike("name","%baby%");
List list = userMapper.selectByExample(example);
list.stream().forEach(System.out::println);
}
//DELETE FROM t_user WHERE name = ? AND age = ? AND sex = ?
@Test
public void test14(){
User user = new User();
user.setName("sdfds");
user.setAge(15);
user.setSex(1);
userMapper.delete(user);
}
//DELETE FROM t_user WHERE id = ?
@Test
public void test15(){
userMapper.deleteByPrimaryKey("sdfsd");
}
//DELETE FROM t_user WHERE ( age is null)
@Test
public void test16(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andIsNull("age");
userMapper.deleteByExample(example);
}
//INSERT INTO t_user (id,user_name,password,name,age,sex,birthday,created,updated) VALUE (?,?,?,?,?,?,?,?,?)
@Test
public void test17(){
User user = new User();
user.setSex(1);
user.setCreated(new Date());
user.setAge(10);
user.setName("admin");
user.setUserName("admin");
user.setBirthday(new Date());
user.setPassword("454545");
user.setUpdated(new Date());
userMapper.insert(user);
}
@Test
public void test18(){
//如果参数为null 那么不进行sql的生成
// mybaties 中 《if test》
userMapper.insertSelective(new User());
}
//
@Test
public void test19(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andEqualTo("id",35);
userMapper.updateByExample(new User(),example);
}
//UPDATE tb_user SET id = id WHERE ( id = ? )
@Test
public void test20(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
criteria.andEqualTo("id",35);
userMapper.updateByExampleSelective(new User(),example);
}
@Test
public void test22(){
Example example = new Example(User.class);
Example.Criteria criteria = example.createCriteria();
User user = new User();
user.setId(35L);
userMapper.updateByPrimaryKey(user);
}
@Test
public void test23(){
// userMapper.updateByPrimaryKeySelective()
}
}
