{"id":11462,"date":"2023-11-28T22:17:52","date_gmt":"2023-11-28T14:17:52","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=11462"},"modified":"2023-12-11T10:53:03","modified_gmt":"2023-12-11T02:53:03","slug":"spring-zhongautowired-zhu-jie-shen-me-yi-si","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/spring-zhongautowired-zhu-jie-shen-me-yi-si\/","title":{"rendered":"Spring\u4e2d@Autowired\u6ce8\u89e3\u4ec0\u4e48\u610f\u601d\uff1f"},"content":{"rendered":"

\u5728Spring\u6846\u67b6\u4e2d\uff0c@Autowired<\/code>\u6ce8\u89e3\u7528\u4e8e\u81ea\u52a8\u88c5\u914d\uff08autowiring\uff09Bean\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u901a\u8fc7@Autowired<\/code>\u6ce8\u89e3\uff0cSpring\u5bb9\u5668\u53ef\u4ee5\u81ea\u52a8\u5728\u8fd0\u884c\u65f6\u5c06\u5339\u914d\u7684Bean\u6ce8\u5165\u5230\u6807\u6ce8\u4e86@Autowired<\/code>\u7684\u5b57\u6bb5\u3001\u6784\u9020\u51fd\u6570\u6216\u65b9\u6cd5\u53c2\u6570\u4e2d\u3002<\/p>\n

\u5177\u4f53\u6765\u8bf4\uff0c@Autowired<\/code>\u6709\u4ee5\u4e0b\u7528\u6cd5\uff1a<\/p>\n

    \n
  1. \n\u5b57\u6bb5\u6ce8\u5165\uff1a<\/strong><\/p>\n
    public class MyClass {\n    @Autowired\n    private MyDependency myDependency;\n}\n<\/code><\/pre>\n<\/li>\n
  2. \n\u6784\u9020\u51fd\u6570\u6ce8\u5165\uff1a<\/strong><\/p>\n
    public class MyClass {\n    private MyDependency myDependency;\n\n    @Autowired\n    public MyClass(MyDependency myDependency) {\n        this.myDependency = myDependency;\n    }\n}\n<\/code><\/pre>\n<\/li>\n
  3. \nSetter\u65b9\u6cd5\u6ce8\u5165\uff1a<\/strong><\/p>\n
    public class MyClass {\n    private MyDependency myDependency;\n\n    @Autowired\n    public void setMyDependency(MyDependency myDependency) {\n        this.myDependency = myDependency;\n    }\n}\n<\/code><\/pre>\n<\/li>\n
  4. \n\u65b9\u6cd5\u53c2\u6570\u6ce8\u5165\uff1a<\/strong><\/p>\n
    public class MyClass {\n    @Autowired\n    public void someMethod(MyDependency myDependency) {\n        \/\/ \u65b9\u6cd5\u4f53\n    }\n}\n<\/code><\/pre>\n<\/li>\n<\/ol>\n
    \u5f53Spring\u5bb9\u5668\u5728\u521d\u59cb\u5316Bean\u7684\u8fc7\u7a0b\u4e2d\u9047\u5230\u88ab@Autowired<\/code>\u6ce8\u89e3\u6807\u6ce8\u7684\u5b57\u6bb5\u3001\u6784\u9020\u51fd\u6570\u6216\u65b9\u6cd5\u53c2\u6570\u65f6\uff0c\u5b83\u4f1a\u5c1d\u8bd5\u67e5\u627e\u5339\u914d\u7684Bean\uff0c\u5e76\u5c06\u5176\u81ea\u52a8\u6ce8\u5165\u3002\u81ea\u52a8\u6ce8\u5165\u7684\u5339\u914d\u662f\u6839\u636e\u7c7b\u578b\u8fdb\u884c\u7684\uff0c\u5982\u679c\u5b58\u5728\u591a\u4e2a\u7b26\u5408\u6761\u4ef6\u7684Bean\uff0cSpring\u5bb9\u5668\u4f1a\u5c1d\u8bd5\u6309\u7167\u540d\u79f0\uff08Bean\u7684id\u6216\u8005\u540d\u79f0\uff09\u8fdb\u884c\u5339\u914d\u3002<\/p>\n
    \u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c@Autowired<\/code>\u6ce8\u89e3\u662fSpring\u63d0\u4f9b\u7684\u4fbf\u6377\u65b9\u5f0f\uff0c\u5b83\u53ef\u4ee5\u51cf\u5c11\u624b\u52a8\u914d\u7f6eBean\u4f9d\u8d56\u5173\u7cfb\u7684\u4ee3\u7801\u3002\u5728\u4f7f\u7528@Autowired<\/code>\u65f6\uff0c\u88ab\u6ce8\u5165\u7684Bean\u5fc5\u987b\u5728Spring\u5bb9\u5668\u4e2d\u5b58\u5728\uff0c\u5e76\u4e14\u80fd\u591f\u552f\u4e00\u5339\u914d\u3002\u5982\u679c\u5b58\u5728\u591a\u4e2a\u5339\u914d\u9879\uff0c\u53ef\u4ee5\u7ed3\u5408\u5176\u4ed6\u6ce8\u89e3\u6216\u914d\u7f6e\u65b9\u5f0f\u8fdb\u884c\u7cbe\u786e\u7684\u6307\u5b9a\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
    \u5728Spring\u6846\u67b6\u4e2d\uff0c@Autowired\u6ce8\u89e3\u7528\u4e8e\u81ea\u52a8\u88c5\u914d\uff08autowiring\uff09Bean\u7684\u4f9d\u8d56\u5173\u7cfb\u3002\u901a\u8fc7@A […]<\/p>\n","protected":false},"author":9,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[121],"tags":[],"class_list":["post-11462","post","type-post","status-publish","format-standard","hentry","category-spring"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11462","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=11462"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11462\/revisions"}],"predecessor-version":[{"id":17049,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/11462\/revisions\/17049"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=11462"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=11462"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=11462"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}