javax.inject.jar:依赖注入非常方便的jar包
2016-06-02 22:38
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用过Spring框架的我们都知道,每当生成依赖注入的时候,我们都必须生成相应类的set方法,而且要在set方法上面写上@Autowired,才能实现依赖注入,如下:
package com.kaishengit.web;
import com.kaishengit.service.ProjectService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
@Controller
public class FolderController {
private ProjectService projectService;
//set
@Autowired
public void setProjectService(ProjectService projectService) {
this.projectService = projectService;
}
}
每次都要生成相应的set方法感觉好麻烦,现在如果我们使用javax.inject.jar,只需要在相应类的属性上面加上@Inject,如下代码:
package com.kaishengit.web;
import com.kaishengit.service.ProjectService;
import org.springframework.stereotype.Controller;
import javax.inject.Inject;
@Controller
public class FolderController {
@Inject
private ProjectService projectService;
}
javax.inject.jar下载地址:https://code.google.com/p/dependency-shot/downloads/detail?name=javax.inject.jar&can=2&q=
package com.kaishengit.web;
import com.kaishengit.service.ProjectService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Controller;
@Controller
public class FolderController {
private ProjectService projectService;
//set
@Autowired
public void setProjectService(ProjectService projectService) {
this.projectService = projectService;
}
}
每次都要生成相应的set方法感觉好麻烦,现在如果我们使用javax.inject.jar,只需要在相应类的属性上面加上@Inject,如下代码:
package com.kaishengit.web;
import com.kaishengit.service.ProjectService;
import org.springframework.stereotype.Controller;
import javax.inject.Inject;
@Controller
public class FolderController {
@Inject
private ProjectService projectService;
}
javax.inject.jar下载地址:https://code.google.com/p/dependency-shot/downloads/detail?name=javax.inject.jar&can=2&q=
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