1、说明
constructor-arg:通过构造函数注入。
property:通过setter对应的方法注入。
2、constructor-arg的使用示例
(1)、Model代码:
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publicclassStudent {
privateInteger id;
privateString name;
privateList
dream;
privateMap score;
privatebooleangraduation;
publicStudent() {
}
publicStudent(Integer id, String name, List dream,
Map score, booleangraduation) {
this.id = id;
this.name = name;
this.dream = dream;
this.score = score;
this.graduation = graduation;
}
@Override
publicString toString() {
return"Student [id="+ id + ", name="+ name + ", dream="+ dream
+ ", score="+ score + ", graduation="+ graduation + "]";
}
}
(2)、xml配置:
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soldier
scientist
pilot
说明:也可以改成方式;boolean的值既可以用0/1填充,也可以用true/false填充。
3、property的使用示例
(1)、Model代码:
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publicclassTeacher {
privateInteger id;
privateString name;
publicInteger getId() {
returnid;
}
publicvoidsetId(Integer id) {
this.id = id;
}
publicString getName() {
returnname;
}
publicvoidsetName(String name) {
this.name = name;
}
@Override
publicString toString() {
return"Teacher [id="+ id + ", name="+ name + "]";
}
}
(2)、xml配置:
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4、Test
(1)、测试代码:
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publicclassRun {
publicstaticvoidmain(String[] args) {
ApplicationContext context = newClassPathXmlApplicationContext(
"applicationContext.xml");
Student student = (Student) context.getBean("student");
System.out.println(student);
Teacher teacher = (Teacher) context.getBean("teacher");
System.out.println(teacher);
}
}
(2)、输出结果:
Student [id=1, name=student, dream=[soldier, scientist, pilot],
score={math=90, english=85}, graduation=false]
Teacher [id=1, name=teacher]
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