依赖注入的方式
2018-12-11 本文已影响0人
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构造器注入（constructor injection）
public class Product {
private Category category;
public Product(Category category) {
this.category = category;
}
}
Set 注入
public class Product {
private Category category;
public void setCategory(Category category) {
this.category = category;
}
}
