設計模式-建造者模式

非解耦方式

package com.finger.test.designpattern.DBuilderPattern;

/**
 * @Des:
 * @Auther: 飛狐
 * @Date: 2019/3/3
 */
public class TTeacherInfo {

    private String userName;

    private String password;

    private Integer age;

    private Integer sex;

    private String address;

    public TTeacherInfo(TTeacherBuilder builder) {
        this.userName = builder.userName;
        this.password = builder.password;
        this.age = builder.age;
        this.sex = builder.sex;
        this.address = builder.address;
    }

    @Override
    public String toString() {
        return "TTeacherInfo{" +
                "userName='" + userName + '\'' +
                ", password='" + password + '\'' +
                ", age=" + age +
                ", sex=" + sex +
                ", address='" + address + '\'' +
                '}';
    }

    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 Integer getAge() {
        return age;
    }

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

    public Integer getSex() {
        return sex;
    }

    public void setSex(Integer sex) {
        this.sex = sex;
    }

    public String getAddress() {
        return address;
    }

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


    public static class TTeacherBuilder{

        private String userName;

        private String password;

        private Integer age;

        private Integer sex;

        private String address;

        public TTeacherBuilder(String userName,String password){
            this.userName = userName;
            this.password = password;
        }

        public TTeacherBuilder age(Integer age){
            this.age = age;
            return this;
        }

        public TTeacherBuilder sex(Integer sex){
            this.sex = sex;
            return this;
        }
        public TTeacherBuilder addrees(String address){
            this.address = address;
            return this;
        }

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


    public static void main(String[] args) {
        TTeacherInfo teacherInfo = new TTeacherBuilder("哈哈","123456").sex(1).build();
        System.out.println(teacherInfo.toString());
    }
}

解耦方式

package com.finger.test.designpattern.DBuilderPattern;

/**
 * @Des:
 * @Auther: 飛狐
 * @Date: 2019/3/3
 */
public class TUserInfo {

    private String userName;

    private String password;

    private Integer age;

    private Integer sex;

    private String address;

    @Override
    public String toString() {
        return "TUserInfo{" +
                "userName='" + userName + '\'' +
                ", password='" + password + '\'' +
                ", age=" + age +
                ", sex=" + sex +
                ", address='" + address + '\'' +
                '}';
    }

    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 Integer getAge() {
        return age;
    }

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

    public Integer getSex() {
        return sex;
    }

    public void setSex(Integer sex) {
        this.sex = sex;
    }

    public String getAddress() {
        return address;
    }

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

package com.finger.test.designpattern.DBuilderPattern;

import com.finger.test.pojo.TUser;

/**
 * @Des:
 * @Auther: 飛狐
 * @Date: 2019/3/3
 */
public class UserInfoBuilder {

    private TUserInfo userInfo;

    public UserInfoBuilder(String userName,String password){
        userInfo = new TUserInfo();
        userInfo.setUserName(userName);
        userInfo.setPassword(password);
    }


   public UserInfoBuilder age(Integer age){
       userInfo.setAge(age);
       return this;
   }

   public UserInfoBuilder sex(Integer sex){
       userInfo.setSex(sex);
       return this;
   }

   public UserInfoBuilder address(String address){
       userInfo.setAddress(address);
       return this;
   }

   public TUserInfo build(){
       return userInfo;
   }
}

驗證:

package com.finger.test.designpattern.DBuilderPattern;

/**
 * @Des:
 * @Auther: 飛狐
 * @Date: 2019/3/3
 */
public class UserInfoBuilderTest {
    public static void main(String[] args) {
        TUserInfo userInfo = new UserInfoBuilder("李雷","123456").address("晉南").build();
        System.out.println(userInfo.toString());
    }
}