{"id":137212,"date":"2020-07-20T07:52:10","date_gmt":"2020-07-19T23:52:10","guid":{"rendered":"http:\/\/4563.org\/?p=137212"},"modified":"2020-07-20T07:52:10","modified_gmt":"2020-07-19T23:52:10","slug":"autowired-%e6%b3%a8%e5%85%a5%e5%90%8e%e6%80%8e%e4%b9%88%e8%bf%90%e8%a1%8c%e6%9e%84%e9%80%a0%e6%96%b9%e6%b3%95","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=137212","title":{"rendered":"Autowired \u6ce8\u5165\u540e\u600e\u4e48\u8fd0\u884c\u6784\u9020\u65b9\u6cd5"},"content":{"rendered":"
\n
\n
\n

Autowired \u6ce8\u5165\u540e\u600e\u4e48\u8fd0\u884c\u6784\u9020\u65b9\u6cd5 <\/h1>\n

<\/p>\n

\n
\u8cc7\u6df1\u5927\u4f6c : bushiren <\/span> <\/i> 6<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

`@Autowired private Test_bbs test;<\/p>\n

@RequestMapping(\"\/test\") public void test( ) {    \u600e\u4e48\u8fd0\u884c Test_bbs \u7684\u6784\u9020\u65b9\u6cd5\u554a; }` <\/code><\/pre>\n
@Service public class Test_bbs{ public Test_bbs(){ System.out.println(“\u8fd0\u884c\u5230\u6211\u4e86 “); } }<\/p>\n<\/p><\/div>\n
 \u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (16<\/span>)        <\/div>\n
 <\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : qping <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u6784\u9020\u65b9\u6cd5 new \u7684\u65f6\u5019\u4f1a\u8c03\u7528\uff0cspring \u542f\u52a8\u65f6\u5019\u4f1a\u5148\u6784\u5efa Test_bbs \u5bf9\u8c61                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : bushiren <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @qping \u6ce8\u5165\u7684 \u6ca1 new \u8be5\u600e\u4e48\u4f20\u53c2\u5565\u7684\u5462                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : optional <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u53ef\u4ee5\u7528 @PostConstruct 
    \u4e0d\u8fc7\u4e0d\u63a8\u8350 @Autowire,\u63a8\u8350\u6784\u9020\u51fd\u6570\u6ce8\u5165\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : bushiren <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @optional \u5927\u4f6c\u53ef\u4ee5\u7801\u4e2a\u4f8b\u5b50\u5417\uff0c\u65b0\u624b\u591a\u591a\u6307\u6559                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : qping <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5982\u679c\u53c2\u6570\u662f\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u4f7f\u7528 @Value \u6ce8\u5165
    \u5982\u679c\u53c2\u6570\u5728\u5176\u4ed6\u7c7b\u4e2d\uff0c\u4f7f\u7528 @Autowire \u628a\u5176\u4ed6\u7c7b\u6ce8\u5165\u8fdb\u6765
    \u5982\u679c\u53c2\u6570\u5728\u6570\u636e\u5e93\u6216\u8005\u5176\u4ed6\u5730\u65b9\u9700\u8981\u8bfb\u53d6\uff0c\u53ef\u4ee5\u50cf\u4e0a\u8bf4\u7684\u7528 @PostConstruct                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : cxshun <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u9ed8\u8ba4\u60c5\u51b5\u4e0b\uff0c`spring`\u662f\u4f7f\u7528\u65e0\u53c2\u6784\u9020\u51fd\u6570\u521d\u59cb\u5316\u7c7b\u7684\u3002\u5982\u679c\u4f60\u5e0c\u671b\u8c03\u7528\u6709\u53c2\u7684\u6784\u9020\u51fd\u6570\uff0c\u90a3\u4e48\u5c31\u7c7b\u4f3c`@optional`\u5144\u5f1f\u8bf4\u7684\u5728\u6784\u9020\u51fd\u6570\u4e0a\u9762\u52a0`@PostConstruct`\uff0c\u8fd9\u4e2a\u5728\u7f51\u4e0a\u627e\u627e\u5c31\u53ef\u4ee5\u4e86\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : ixx <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 “`java
    @Service 
    public class Test_bbs{ 
     @PostConstruct
     public Test_bbs(){ 
     System.out.println(“\u8fd0\u884c\u5230\u6211\u4e86 “); 
     } 
    }
    “`
    \u8fd9\u6837\u5c31\u53ef\u4ee5\u521d\u59cb\u5316\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : bushiren <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @qping \u8c22\u8c22\u5c42\u4e3b\uff0c\u4e86\u89e3\u4e86\uff0c
    @cxshun \u8c22\u8c22\uff0c\u5927\u4f6c\u89e3\u7b54
    @ixx \u8c22\u8c22\u5c42\u4e3b\uff0c\u8fd9\u6837\u3002\u5916\u90e8\u53e6\u4e00\u4e2a\u7c7b\u662f\u8981\u600e\u4e48\u8c03\u7528\u7684\u548c\u4f20\u53c2\u5440\uff0c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : ixx <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @bushiren #8 \u4f60\u60f3\u5f80\u6784\u9020\u65b9\u6cd5\u91cc\u4f20\u53c2\uff1f                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : cxshun <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @ixx #9 
    @bushiren #8 \u6211\u731c\u8fd9\u4f4d\u5144\u5f1f\u7684\u610f\u601d\u5e94\u8be5\u662f\u8981\u6ce8\u5165\u53e6\u5916\u4e00\u4e2a\u7c7b\u5230\u6784\u9020\u51fd\u6570\u5427\uff1f\u4e0d\u77e5\u9053\u7406\u89e3\u5bf9\u4e0d\u5bf9\u54c8\u3002
    \u5982\u679c\u662f\u8fd9\u6837\uff0c\u90a3\u5c31\u76f4\u63a5\u5728\u6784\u9020\u51fd\u6570\u4e0a\u9762\u7528 @Autowired \u5c31\u597d\u4e86\u3002
    \u5982\u679c\u4e0d\u662f\uff0c\u90a3\u53ef\u80fd\u5c31\u8981\u8003\u8651\u4e00\u4e0b\u662f\u5565\u60c5\u51b5\u4e86\u54c8                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : bushiren <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @ixx \u5443\u3002\u96be\u9053\u4e0d\u884c\u5417\u3002\u6211\u8fd9\u60f3\u6cd5 \u4e0d\u5947\u8469\u5427\uff0c                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : bushiren <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @cxshun \u6211\u5c31\u662f\u60f3 \u76f4\u63a5\u548c new \u4e00\u6837 \u4f7f\u7528\u6784\u9020\u51fd\u6570\uff0c\u5e76\u53ef\u4ee5\u4f20\u53c2\uff0c<\/p>\n
    \u901a\u8fc7\u6ce8\u5165\u7684\u65b9\u5f0f\u7f62\u4e86                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : ixx <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 @bushiren #11 
    spring \u7ba1\u7406\u7684 bean \u4e00\u822c\u5728\u5bb9\u5668\u521d\u59cb\u5316\u7684\u65f6\u5019\u5c31\u751f\u6210\u5b9e\u4f8b\u4e86 \u4f60\u6ce8\u5165\u7684\u65f6\u5019\u5df2\u7ecf\u6709\u5b9e\u4f8b\u4e86 \u5982\u679c\u4f60\u60f3\u5728\u4ed6\u5b9e\u4f8b\u5316\u7684\u65f6\u5019\u6307\u5b9a\u503c \u54ea\u76f4\u63a5\u5728\u5199\u6b7b\u5c31\u884c \u6216\u8005\u653e\u914d\u7f6e\u6587\u4ef6\u91cc\u8bfb\u53d6                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : limuyan44 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5b66\u4e60 spring \u8fd8\u662f\u5efa\u8bae\u4ece\u57fa\u7840\u5f00\u59cb\u5b66\u8d77\uff0c\u4e0d\u7136\u4ee5\u540e\u5751\u7684\u662f\u81ea\u5df1\u3002                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : heyjim75111 <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u5bf9\u6211\u6765\u8bf4, \u8981\u4e48\u53c2\u6570\u662f\u5728\u914d\u7f6e\u6587\u4ef6\u4e2d\uff0c\u4f7f\u7528 @Value \u6ce8\u5165, \u8981\u4e48 \u53e6\u5916\u52a0 set \u63a5\u53e3\u8bbe\u8fdb\u53bb                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
     \u8cc7\u6df1\u5927\u4f6c : fivesmallq <\/span>  <\/div>\n
     <\/i>            <\/span> <\/div>\n<\/p><\/div>\n
                                                                 \u4f7f\u7528 ApplicationContext \u7684\u65b9\u6cd5\u83b7\u53d6 bean\uff0ccontext.getBean(clazz,args); SpringContextHolder.getBean(XXX.class, arg1, arg2);                                                            <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"
    Autowired \u6ce8\u5165\u540e\u600e\u4e48\u8fd0\u884c…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/137212"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=137212"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/137212\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=137212"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=137212"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=137212"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}