mybatis-plus更新指定字段
LambdaUpdateWrapper<User> lambdaUpdateWrapper = new LambdaUpdateWrapper<>();
lambdaUpdateWrapper.set(User::getName, "newName").set(User::getAge, 20).eq(User::getId, 1);
userMapper.update(null, lambdaUpdateWrapper);
LambdaUpdateWrapper<User> lambdaUpdateWrapper = new LambdaUpdateWrapper<>();
lambdaUpdateWrapper.set(User::getName, "newName").set(User::getAge, 20).eq(User::getId, 1);
userMapper.update(null, lambdaUpdateWrapper);