Builder模式

BasePerson

public class BasePerson {
    private String id;
    private String name;
    private int age;
    private String address;
    private String phone;
    private int weight;
    private String school;

    @Override
    public String toString() {
        return "id:" + id + "--name:" + name + "--age:" + age + "--address:" + address + "--phone:" + phone + "--weight:" + weight + "--school:" + school;
    }

    public void setId(String id) {
        this.id = id;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public void setAge(int age) {
        this.age = age;
    }

    public void setAddress(String address) {
        this.address = address;
    }

    public void setPhone(String phone) {
        this.phone = phone;
    }

    public void setWeight(int weight) {
        this.weight = weight;
    }

    public void setSchool(String school) {
        this.school = school;
    }
}

Person

public class Person extends BasePerson{
    Person(Builder builder) {
        setAddress(builder.address);
        setAge(builder.age);
        setId(builder.id);
        setName(builder.name);
        setPhone(builder.phone);
        setWeight(builder.weight);
        setSchool(builder.school);
    }

    public static class Builder{
        private String id;
        private String name;

        private int age;
        private String address;
        private String phone;
        private int weight;
        private String school;

        public Builder() {

        }

        public Builder setId(String id) {
            this.id = id;
            return this;
        }

        public Builder setName(String name) {
            this.name = name;
            return this;
        }

        public Builder setAge(int age) {
            this.age = age;
            return this;
        }

        public Builder setAddress(String address) {
            this.address = address;
            return this;
        }

        public Builder setPhone(String phone) {
            this.phone = phone;
            return this;
        }

        public Builder setWeight(int weight) {
            this.weight = weight;
            return this;
        }

        public Builder setSchool(String school) {
            this.school = school;
            return this;
        }

        public Person build() {
            return new Person(this);
        }
    }
}

TestPerson

public class TestPerson  {
    private static final String TAG = BuilderActivity.class.getName();

    public void testBuilder(View view) {
        Person person = new Person.Builder()
                .setAge(1)
                .setId("dd")
                .setName("小明")
                .setAddress("石家庄")
                .setSchool("河北科技大学")
                .setWeight(12)
                .setPhone("121212112121")
                .build();
        Log.e(TAG, "info: " + person.toString());
    }
}