坦克大战（一期）-设计模式-builder模式

src/main/java/com/msb/builder/ComplexTerrainBuilder.java

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+package com.msb.builder;/**
+ * @Author bingor
+ * @Date 2022/10/18 16:34
+ * @Description: com.msb.builder
+ * @Version: 1.0
+ */
+
+/**
+ *@ClassName ComplexTerrainBuilder
+ *@Description TODO
+ *@Author bingor
+ *@Date 2022/10/18 16:34
+ *@Version 3.0
+ */
+public class ComplexTerrainBuilder implements TerrainBuilder {
+
+    private Terrain terrain = new Terrain();
+
+    @Override
+    public TerrainBuilder buildWall() {
+        Wall wall = new Wall(10, 10, 50, 50);
+        terrain.setWall(wall);
+        return this;
+    }
+
+    @Override
+    public TerrainBuilder buildFort() {
+        Fort fort = new Fort(10, 10, 50, 50);
+        terrain.setFort(fort);
+        return this;
+    }
+
+    @Override
+    public TerrainBuilder buildMine() {
+        Mine mine = new Mine(10, 10, 50, 50);
+        terrain.setMine(mine);
+        return this;
+    }
+
+    @Override
+    public Terrain build() {
+        return terrain;
+    }
+}

src/main/java/com/msb/builder/Main.java

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+package com.msb.builder;/**
+ * @Author bingor
+ * @Date 2022/10/18 16:42
+ * @Description: com.msb.builder
+ * @Version: 1.0
+ */
+
+/**
+ *@ClassName Main
+ *@Description TODO
+ *@Author bingor
+ *@Date 2022/10/18 16:42
+ *@Version 3.0
+ */
+public class Main {
+    public static void main(String[] args) {
+        TerrainBuilder terrainBuilder = new ComplexTerrainBuilder();
+        Terrain terrain = terrainBuilder.buildWall().buildFort().buildMine().build();
+
+        Person person = new Person.PersonBuilder().buildBasicInfo(1, "bingor")
+                .buildAge(33)
+                .buildScore(100)
+                .buildLocation("机场路", "8号")
+                .build();
+    }
+}

src/main/java/com/msb/builder/Person.java

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+package com.msb.builder;/**
+ * @Author bingor
+ * @Date 2022/10/18 16:51
+ * @Description: com.msb.builder
+ * @Version: 1.0
+ */
+
+/**
+ *@ClassName Person
+ *@Description TODO
+ *@Author bingor
+ *@Date 2022/10/18 16:51
+ *@Version 3.0
+ */
+public class Person {
+    private int id;
+    private int age;
+    private String name;
+    private int score;
+    private Location location;
+
+    public static class PersonBuilder {
+        Person person = new Person();
+        public PersonBuilder buildBasicInfo(int id, String name) {
+            person.id = id;
+            person.name = name;
+            return this;
+        }
+
+        public PersonBuilder buildAge(int age) {
+            person.age = age;
+            return this;
+        }
+
+        public PersonBuilder buildScore(int score) {
+            person.score = score;
+            return this;
+        }
+
+        public PersonBuilder buildLocation(String street, String roomNo) {
+            person.location = new Location(street, roomNo);
+            return this;
+        }
+
+        public Person build() {
+            return person;
+        }
+    }
+}
+
+class Location {
+    private String street;
+    private String roomNo;
+
+    public Location(String street, String roomNo) {
+        this.street = street;
+        this.roomNo = roomNo;
+    }
+}

src/main/java/com/msb/builder/Terrain.java

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+package com.msb.builder;/**
+ * @Author bingor
+ * @Date 2022/10/18 15:46
+ * @Description: com.msb.builder
+ * @Version: 1.0
+ */
+
+/**
+ *@ClassName Terrain
+ *@Description TODO
+ *@Author bingor
+ *@Date 2022/10/18 15:46
+ *@Version 3.0
+ */
+public class Terrain {
+    private Wall wall;
+    private Fort fort;
+    private Mine mine;
+
+    public void setWall(Wall wall) {
+        this.wall = wall;
+    }
+
+    public void setFort(Fort fort) {
+        this.fort = fort;
+    }
+
+    public void setMine(Mine mine) {
+        this.mine = mine;
+    }
+}
+
+class Wall {
+    private int x, y, width, height;
+    public Wall(int x, int y, int width, int height) {
+        this.x = x;
+        this.y = y;
+        this.width = width;
+        this.height = height;
+    }
+}
+
+class Fort {
+    private int x, y, width, height;
+    public Fort(int x, int y, int width, int height) {
+        this.x = x;
+        this.y = y;
+        this.width = width;
+        this.height = height;
+    }
+}
+
+class Mine {
+    private int x, y, width, height;
+    public Mine(int x, int y, int width, int height) {
+        this.x = x;
+        this.y = y;
+        this.width = width;
+        this.height = height;
+    }
+}

src/main/java/com/msb/builder/TerrainBuilder.java

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+package com.msb.builder;
+
+/**
+ * @Author bingor
+ * @Date 2022/10/18 16:33
+ * @Description: com.msb.builder
+ * @Version: 1.0
+ */
+public interface TerrainBuilder {
+    public TerrainBuilder buildWall();
+    public TerrainBuilder buildFort();
+    public TerrainBuilder buildMine();
+    public Terrain build();
+}