feat(w4):W4-孟鑫垚-202506010204

w3/public class Employee {.groovy

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+public class Employee {
+    // 属性：工号、姓名、部门、工资
+    private String id;
+    private String name;
+    private String department;
+    private double salary;
+
+    // 最低工资标准（假设为2000）
+    private static final double MIN_SALARY = 2000.0;
+
+    // 全参构造方法
+    public Employee(String id, String name, String department, double salary) {
+        this.id = id;
+        this.name = name;
+        this.department = department;
+        this.salary = salary;
+    }
+
+    // 无参构造方法（可选）
+    public Employee() {
+    }
+
+    // Getter 和 Setter 方法
+
+    public String getId() {
+        return id;
+    }
+
+    public void setId(String id) {
+        this.id = id;
+    }
+
+    public String getName() {
+        return name;
+    }
+
+    public void setName(String name) {
+        this.name = name;
+    }
+
+    public String getDepartment() {
+        return department;
+    }
+
+    public void setDepartment(String department) {
+        this.department = department;
+    }
+
+    public double getSalary() {
+        return salary;
+    }
+
+    public void setSalary(double salary) {
+        if (salary >= MIN_SALARY) {
+            this.salary = salary;
+        } else {
+            System.out.println("工资不能低于最低工资标准 " + MIN_SALARY);
+        }
+    }
+
+    // 按百分比增加工资的方法
+    public void raiseSalary(double percent) {
+        if (percent < 0) {
+            System.out.println("百分比不能为负数");
+            return;
+        }
+
+        double newSalary = salary * (1 + percent / 100);
+        // 确保增加后仍不低于最低工资
+        if (newSalary < MIN_SALARY) {
+            this.salary = MIN_SALARY;
+        } else {
+            this.salary = newSalary;
+        }
+    }
+
+    // toString 方法便于输出信息
+    @Override
+    public String toString() {
+        return "Employee{" +
+                "id='" + id + '\'' +
+                ", name='" + name + '\'' +
+                ", department='" + department + '\'' +
+                ", salary=" + salary +
+                '}';
+    }
+}

w3/public class TestEmployee {.java

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+public class TestEmployee {
+    public static void main(String[] args) {
+        Employee emp1 = new Employee("E001", "张三", "技术部", 5000.0);
+        Employee emp2 = new Employee("E002", "李四", "销售部", 1800.0); // 会自动设为 2000
+
+        System.out.println("初始状态：");
+        System.out.println(emp1);
+        System.out.println(emp2);
+
+        emp1.raiseSalary(10); // 涨 10%
+        emp2.raiseSalary(-5); // 无效操作
+
+        System.out.println("\n调整后：");
+        System.out.println(emp1);
+        System.out.println(emp2);
+    }
+}