{"id":525,"date":"2008-08-27T00:00:00","date_gmt":"2008-08-26T16:00:00","guid":{"rendered":"http:\/\/www.strongd.net\/?p=525"},"modified":"2011-07-15T09:18:46","modified_gmt":"2011-07-15T01:18:46","slug":"%e4%b8%80%e4%b8%aa%e4%bd%93%e7%8e%b0java%e6%8e%a5%e5%8f%a3%e5%8f%8a%e5%b7%a5%e5%8e%82%e6%a8%a1%e5%bc%8f%e4%bc%98%e7%82%b9%e7%9a%84%e4%be%8b%e5%ad%90","status":"publish","type":"post","link":"https:\/\/www.strongd.net\/?p=525","title":{"rendered":"\u4e00\u4e2a\u4f53\u73b0Java\u63a5\u53e3\u53ca\u5de5\u5382\u6a21\u5f0f\u4f18\u70b9\u7684\u4f8b\u5b50"},"content":{"rendered":"

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\n

 <\/DIV>
\n
      \u901a\u8fc7\u5b66\u4e60\u6a21\u5f0f\uff0c\u7a0b\u5e8f\u5458\u5f00\u59cb\u544a\u522b\u8fc7\u53bb\u51c6\u76f4\u7ebf\u5f0f\u7684\u4ee3\u7801\u65b9\u5f0f\uff0c\u6a21\u5f0f\u5f00\u6269\u4e86\u6211\u4eec\u7684\u89c6\u91ce\uff0c\u5f3a\u5316\u4e86\u6211\u4eec\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u601d\u7ef4\u65b9\u5f0f\u3002\u7136\u800c\u73b0\u5728\u53c8\u51fa\u73b0\u4e86\u53e6\u4e00\u4e2a\u666e\u904d\u7684\u95ee\u9898\uff0c\u76f2\u76ee\u5e94\u7528\u6a21\u5f0f\u3002\u6a21\u5f0f\u662f\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5148\u6709\u95ee\u9898\u624d\u6709\u6a21\u5f0f\uff0c\u6a21\u5f0f\u662f\u4f9d\u9644\u4e8e\u6240\u8981\u89e3\u51b3\u7684\u95ee\u9898\u7684\u800c\u751f\u7684\u3002\u5fc5\u987b\u4e86\u89e3\u6a21\u5f0f\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\u662f\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u590d\u6742\u5ea6\u4e3a\u4ee3\u4ef7\u6765\u589e\u5f3a\u7075\u6d3b\u6027\u3001\u53ef\u590d\u7528\u6027\u3002\u5982\u679c\u5728\u81ea\u5df2\u7684\u4ee3\u7801\u4e2d\u4f7f\u7528\u67d0\u4e00\u6a21\u5f0f\u4ec5\u53ea\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u590d\u6742\u5ea6\uff0c\u800c\u5176\u5b83\u65b9\u9762\u6536\u6548\u751a\u5fae\uff0c\u6216\u8005\u67d0\u90e8\u4efd\u4ee3\u7801\u6839\u672c\u5c31\u4e0d\u5b58\u5728\u7075\u6d3b\u6027\u53ca\u9ad8\u590d\u7528\u6027\u7684\u9700\u6c42\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u6ca1\u6709\u5fc5\u8981\u4e3a\u4f7f\u7528\u6a21\u5f0f\u800c\u653e\u5f03\u66f4\u76f4\u89c2\u7b80\u5355\u7684\u4ee3\u7801\u5199\u6cd5\u3002<\/DIV>
\n
 <\/DIV>
\n
      \u4e00\u6d41\u7684\u9ad8\u624b90%\u7cbe\u529b\u5173\u6ce8\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u56e0\u4e3a\u627e\u5230\u4e86\u597d\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u518d\u5199\u8d77\u4ee3\u7801\u4f1a\u5f88\u8f7b\u677e\u4ee3\u7801\u4e5f\u7b80\u6d01\u6d41\u7545\uff0c\u770b\u8fd9\u6837\u7684\u4ee3\u7801\u662f\u4e00\u79cd\u4eab\u53d7\u548c\u63d0\u9ad8\uff1b\u4e8c\u6d41\u7684\u719f\u624b90%\u7cbe\u529b\u5173\u6ce8\u4ee3\u7801\u5b9e\u73b0\uff0c\u56e0\u4e3a\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\u5e76\u975e\u6700\u4f73\uff0c\u5b9e\u73b0\u7684\u4ee3\u7801\u4e5f\u4f1a\u6bd4\u8f83\u590d\u6742\uff1b\u4e09\u6d41\u83dc\u9e1f\u8bb0\u6d41\u6c34\u5e10,90%\u7cbe\u529b\u5728\u6572\u952e\u76d8\uff0c\u5e38\u5e38\u505a\u4e86\u5927\u534a\u624d\u53d1\u73b0\u884c\u4e0d\u901a\uff0c\u56de\u8fc7\u5934\u6765\u518d\u752890%\u7684\u65f6\u95f4\u6572\u952e\u76d8\uff0c\u6839\u672c\u4e0d\u4f1a\u7528\u5230\u4efb\u4f55\u6a21\u5f0f\uff0c\u5199\u51fa\u6765\u7684\u4ee3\u7801\u7684\u53ea\u6709\u4ed6\u81ea\u5df2\u624d\u80fd\u770b\u61c2\u3002\u505a\u51fa\u6765\u7684\u8f6f\u4ef6\u4e5f\u662f\u652f\u79bb\u7834\u788e\uff0c\u505a\u4e00\u4e01\u70b9\u6539\u52a8\u90fd\u8981\u5927\u8d39\u5468\u6298\uff0c\u800c\u4e14\u4f60\u8fd8\u4e0d\u77e5\u9053\u6539\u52a8\u540e\u4f1a\u4ea7\u751f\u4ec0\u4e48\u95ee\u9898\uff0c\u5927\u6709\u4f4f\u5371\u623f\u91cc\u7684\u611f\u89c9\u3002<\/DIV>
\n
 <\/DIV>
\n
      \u5728\u8fd9\u91cc\u8fd8\u662f\u4e3e\u4e00\u4e2a\u6ee5\u7528\u6a21\u5f0f\u7684\u4f8b\u5b50\u5427\u3002\u6211\u66fe\u53c2\u4e0e\u8fc7\u4e00\u4e2a\u5927\u96c6\u56e2\u516c\u53f8\uff2f\uff21\u7cfb\u7edf\u7684\u7b2c\u4e8c\u671f\u5f00\u53d1\uff0c\u5f00\u53d1\u6cbf\u7528\u539f\u6709\u4ee3\u7801\u67b6\u6784\u5e76\u589e\u52a0\u65b0\u7684\u529f\u80fd\u6a21\u5757\u3002\u6587\u6863\u5f88\u5c11\u6211\u8bfb\u539f\u4ee3\u7801\u65f6\u5c31\u88ab\u5b83\u7a0b\u5e8f\u91cc\u7684\u4ee3\u7801\u8f6c\u6765\u8f6c\u53bb\u641e\u5f97\u5934\u5927\u5982\u6597\uff0c\u6700\u540e\u8bfb\u61c2\u4e86\uff1a\u539f\u4ee3\u7801\u67b6\u6784\u603b\u4f53\u91c7\u7528\u5de5\u5382\u6a21\u5f0f\uff0c\u800c\u4e14\u662f\u6700\u590d\u6742\u7684\u62bd\u8c61\u5de5\u5382\u6a21\u5f0f\u3002\u5b83\u628a\u6240\u6709\u6a21\u5757\u7c7b\u90fd\u901a\u8fc7\u5de5\u5382\u751f\u6210\u8fd8\u5de5\u5382\u5957\u5de5\u5382\uff0c\u5e76\u4e14\u6bcf\u4e00\u4e2a\u6a21\u5757\u7c7b\u90fd\u6709\u4e00\u4e2a\u63a5\u53e3\uff0c\u6bcf\u4e2a\u63a5\u53e3\u4e5f\u53ea\u6709\u4e00\u4e2a\u6a21\u5757\u73b0\u5b9e\u7c7b\uff0c\u56e0\u4e3a\u6d89\u53ca\u6743\u9650\u63a7\u5236\u8fd8\u7528\u4e86\u4ee3\u7406(proxy)\u6a21\u5f0f\u3002\u3000\u8bfb\u61c2\u4ee3\u7801\u540e\u6211\u5f00\u59cb\u5d4c\u5165\u4ee3\u7801\uff0c\u53d1\u73b0\u6bcf\u65b0\u589e\u4e00\u4e2a\u7c7b\uff0c\u90fd\u8981\u5230\u516d\u4e2aJava\u6587\u4ef6\u4e2d\u53bb\u589e\u52a0\u76f8\u5e94\u4ee3\u7801\uff0c\u800c\u5728\u7c7b\u4e2d\u6bcf\u589e\u52a0\u4e00\u4e2a\u65b9\u6cd5\uff0c\u4e5f\u8981\u5230\u5b83\u7684\u63a5\u53e3\u7b49\u56db\u4e2aJava\u6587\u4ef6\u4e2d\u53bb\u589e\u52a0\u76f8\u5e94\u4ee3\u7801\u3002\u5929\u5440\uff01\uff01\uff01\u8bb0\u5f97\u5f53\u65f6\u6211\u7684\u5c0f\u59c6\u6307\u5e38\u4f1a\u4e0d\u542c\u4f7f\u5524\uff0c\u5c31\u662f\u56e0\u4e3a\u9891\u7e41\u7684\u4f7f\u7528Ctrl+C \u3001Ctrl+V\uff0c\u5c0f\u59c6\u6307\u6309\u7740Ctrl\u952e\u7ed9\u7d2f\u7684\u3002\u6574\u4e2a\u9879\u76ee\u7ec4\u82e6\u4e0d\u582a\u8a00\uff0c\u771f\u70e6\u900f\u4e86\u3002\u9879\u76ee\u7ed3\u675f\u540e\u6211\u56de\u987e\u53d1\u73b0\uff1a\u4ee3\u7406\u6a21\u5f0f\u7528\u5f97\u8fd8\u5bf9\uff08\u73b0\u5728\u9488\u5bf9\u6743\u9650\u8fd9\u7c7b\u6a2a\u5411\u63a7\u5236\u6709AOP\u7f16\u7a0b\u8fd9\u79cd\u65b0\u7684\u89e3\u51b3\u529e\u6cd5\u4e86\uff09\u4f46\u5de5\u5382\u6a21\u5f0f\u5728\u8fd9\u91cc\u6839\u672c\u5c31\u662f\u753b\u86c7\u6dfb\u8db3\uff0c\u4e0d\u4ec5\u6ca1\u6709\u89e3\u51b3\u4ec0\u4e48\u95ee\u9898\uff0c\u53cd\u800c\u589e\u52a0\u4ee3\u7801\u590d\u6742\u5ea6\u548c\u8026\u5408\u6027\uff0c\u964d\u4f4e\u4e86\u5f00\u53d1\u6548\u7387\u8fde\u7ef4\u62a4\u96be\u5ea6\u90fd\u63d0\u9ad8\u4e86\u3002\u800c\u4e14\u90a3\u79cd\u6bcf\u4e2a\u7c7b\u7b80\u5355\u7684\u52a0\u4e00\u4e2a\u63a5\u53e3\u7684\u65b9\u5f0f\uff0c\u66f4\u662f\u6ca1\u6709\u9053\u7406\uff0c\u8fd9\u8ba9\u6211\u5f88\u60f3\u8bf4\u5468\u661f\u9a70\u8bf4\u8fc7\u7684\u4e00\u53e5\u8bdd\uff1a\u201c\u7403~~~\u4e0d\u662f\u8fd9\u4e48\u8e22~~~~\u7684\uff0c\u63a5\u53e3~~~\u4e0d\u662f\u8fd9\u4e48\u7528~~~\u7684\u201d\u3002\u8a00\u5f52\u6b63\u4f20\uff0c\u6211\u4eec\u5148\u6765\u770b\u8fd9\u6837\u4e00\u4e2a\u5e38\u89c1\u95ee\u9898\uff1a\u67d0\u7cfb\u7edf\u9700\u8981\u652f\u6301\u591a\u79cd\u7c7b\u578b\u7684\u6570\u636e\u5e93\u3002\u7528\u8fc7Oracle\u3001MSSQL\u7b49\u6570\u636e\u5e93\u7684\u4eba\u90fd\u77e5\u9053\uff0c\u5b83\u4eec\u7684SQL\u7f16\u5199\u65b9\u5f0f\u90fd\u5404\u6709\u4e9b\u4e0d\u540c\u3002\u6bd4\u5982\u8bf4Oracle\u7684\u552f\u4e00\u6807\u8bc6\u81ea\u52a8+1\u5b57\u6bb5\u7528\u7684\u662f\u5e8f\u5217\uff0cMSSQL\u6539\u4e00\u4e0b\u5b57\u6bb5\u5c5e\u6027\u5c31\u6210\u4e86\uff0c\u8fd8\u6709\u5404\u79cd\u5404\u81ea\u7279\u6709\u7684SQL\u7528\u6cd5\u3002\u4e3a\u4e86\u652f\u6301\u591a\u6570\u636e\u5e93\uff0c\u96be\u9053\u6211\u4eec\u8981\u5f00\u53d1\u591a\u5957\u7cfb\u7edf\uff1f\u5f53\u7136NO\u3002\u8bf7\u770b\u4e0b\u9762\u7684\u89e3\u51b3\u65b9\u6848\u3002<\/DIV>
\n
 <\/DIV>
\n
      \u5373\u7136\u6570\u636e\u5e93\u5b58\u5728\u591a\u79cd\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u7cfb\u7edf\u4e2d\u6240\u6709\u5bf9\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u62bd\u8c61\u51fa\u6765\uff0c\u5199\u6210\u4e00\u4e2a\u4e2a\u65b9\u6cd5\u7ec4\u5408\u5230\u4e00\u4e2a\u7c7b\u4e2d\uff0c\u6709\u51e0\u79cd\u6570\u636e\u5e93\u6211\u4eec\u5c31\u5199\u51e0\u4e2a\u8fd9\u6837\u7684\u7c7b\u3002\u5177\u4f53\u8bbe\u8ba1\u7c7b\u56fe\u5982\u4e0b\uff1a<\/DIV>
\n
20060910.gif<\/DIV>
\n
 <\/DIV>
\n
 <\/DIV>
\n
\u7b80\u8981\u8bf4\u660e\uff1a<\/DIV>
\n

    \n
  • OracleDataOperate\u3001SqlserverDataOperate\u3001MysqlDataOperate\uff0c\u5206\u522b\u4ee3\u8868Oracle\u3001Sqlserver\u3001Mysql\u8fd9\u4e09\u79cd\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u7c7b\u3002\u7ee7\u627f\u81eaAbstractDataOperate
    \n
  • AbstractDataOperate\u662f\u4e00\u4e2a\u62bd\u8c61\u7c7b\uff0c\u5305\u542b\u4e86\u90a3\u4e9b\u4e0d\u540c\u79cd\u7c7b\u6570\u636e\u5e93\u90fd\u662f\u4e00\u6837\u4ee3\u7801\u7684\u64cd\u4f5c\u65b9\u6cd5\u3002\u7ee7\u627f\u81eaDataOperate
    \n
  • DataOperate\u662f\u4e0a\u9762\u8bf4\u7684\u6570\u636e\u64cd\u4f5c\u7c7b\u7684\u7edf\u4e00\u63a5\u53e3\uff0c\u53ea\u6709\u4e24\u4e2a\u65b9\u6cd5\uff1a\u53d6\u5f97\u4e00\u6761\u8bb0\u5f55\u3001\u63d2\u5165\u4e00\u6761\u8bb0\u5f55\u3002
    \n
  • DataOperateFactory\u662f\u4e00\u4e2a\u5de5\u5382\u65b9\u6cd5\uff0c\u7edf\u4e00\u7528\u5b83\u7684\u65b9\u6cd5\u6765\u5f97\u5230\u6570\u636e\u5e93\u64cd\u4f5c\u7c7b\u7684\u5b9e\u4f8b\u3002
    \n
  • SampleClass\u662f\u6211\u4eec\u7cfb\u7edf\u7684\u67d0\u4e2a\u529f\u80fd\u6a21\u5757\u7684\u7c7b\u3002
    \n
  • People\u662f\u4e00\u4e2a\u5b9e\u4f53\u7c7b\uff0c\u4ee3\u8868\u4e00\u6761\u8bb0\u5f55\u3002\u4e09\u4e2a\u5b57\u6bb5\u3000oid\u552f\u4e00\u6807\u8bc6\u7b26\u3001name\u59d3\u540d\u3001date\u751f\u65e5\u3002<\/LI><\/UL>
    \n
     <\/DIV>
    \n
    \u8be6\u7ec6\u8bf4\u660e\uff1a<\/STRONG><\/DIV>
    \n
    \uff11\u3001\u6240\u6709\u7cfb\u7edf\u529f\u80fd\u6a21\u5757\u7c7b\u53ea\u8ba4DataOperat\u8fd9\u4e2a\u63a5\u53e3\u8fd8\u4e0d\u5fc5\u7ba1\u5177\u4f53\u7684\u5b9e\u73b0\u7c7b\u662fOracleDataOperate\u8fd8SqlserverDataOperate\u3002DataOperate\u6e90\u4ee3\u7801\u5982\u4e0b\uff1a<\/DIV>
    \n
    public<\/B>interface<\/B> DataOperate {<\/DIV>
    \n
        \/\/\u6839\u636e\u8bb0\u5f55\u7684\u552f\u4e00\u6807\u8bc6\u53d6\u51fa\u4e00\u6761\u8bb0\u5f55<\/DIV>
    \n
        People getPeople(String oid);<\/DIV>
    \n
        \/\/\u63d2\u5165\u4e00\u6761\u8bb0\u5f55<\/DIV>
    \n
        boolean<\/B> insertPeople(People people);<\/DIV>
    \n
    }<\/DIV>
    \n
     <\/DIV>
    \n
    \uff12\u3001AbstractDataOperate\u3001OracleDataOperate\u3001SqlserverDataOperate\u3001MysqlDataOperate\u90fd\u662f\u7ee7\u627fDataOperate\u63a5\u53e3\u7684\uff0c\u6ca1\u4ec0\u4e48\u597d\u8bf4\u7684\uff0c\u7701\u7565\u3002<\/DIV>
    \n
     <\/DIV>
    \n
    \uff13\u3001DataOperateFactory\u3002\u6211\u4eec\u770b\u770b\u5de5\u5382\u65b9\u6cd5\u600e\u4e48\u5199\u7684\u3002<\/DIV>
    \n
    public<\/B>class<\/B> DataOperateFactory {<\/DIV>
    \n
        public<\/B>static<\/B>final<\/B>int<\/B> ORACLE = 0; \/\/\u5b9a\u4e49\u4e09\u4e2a\u8868\u793a\u6570\u636e\u5e93\u7c7b\u578b\u7684\u5e38\u91cf<\/DIV>
    \n
        public<\/B>static<\/B>final<\/B>int<\/B> MYSQL = 1;<\/DIV>
    \n
        public<\/B>static<\/B>final<\/B>int<\/B> SQLSERVER = 2;<\/DIV>
    \n
     <\/DIV>
    \n
        private<\/B>static<\/B> DataOperate db;<\/DIV>
    \n
        private<\/B>static<\/B>int<\/B> dataType = MYSQL;<\/DIV>
    \n
        \/**<\/DIV>
    \n
         * \u6839\u636e\u6570\u636e\u5e93\u7c7b\u578b(dataType)\u53d6\u5f97\u4e00\u4e2a\u6570\u636e\u5e93\u64cd\u4f5c\u7c7b\u7684\u5b9e\u4f8b\uff0c<\/DIV>
    \n
         * \u8fd9\u91cc\u5bf9DataOperate\u4f7f\u7528\u4e86\u5355\u4f8b\u6a21\u5f0f\uff0c\u56e0\u4e3aOracelDataOperate\u7b49\u90fd\u662f\u65e0\u72b6\u6001\u7684\u5de5\u5177\u7c7b\uff0c<\/DIV>
    \n
         * \u6240\u4ee5\u6574\u4e2a\u7cfb\u7edf\u53ea\u4fdd\u7559\u4e00\u4e2a\u5b9e\u4f8b\u5c31\u884c\u4e86\u3002<\/DIV>
    \n
         * <\/DIV>
    \n
         * @return<\/B> \u8fd4\u56de\u7684\u662f\u63a5\u53e3\uff0c\u5ba2\u6237\u7aef\u4e0d\u5fc5\u5173\u5fc3\u5177\u4f53\u662f\u7528\u90a3\u4e2a\u5b9e\u73b0\u7c7b<\/DIV>
    \n
         *\/<\/DIV>
    \n
        public<\/B>static<\/B> DataOperate getInstance() {<\/DIV>
    \n
            if<\/B> (db == null<\/B>) {<\/DIV>
    \n
                if<\/B> (dataType == ORACLE) \/\/\u6839\u636edateType\u8fd4\u56de\u76f8\u5e94\u7684\u5b9e\u73b0\u7c7b<\/DIV>
    \n
                    return<\/B>new<\/B> OracelDataOperate();<\/DIV>
    \n
                if<\/B> (dataType == MYSQL)<\/DIV>
    \n
                    return<\/B>new<\/B> MysqlDataOperate();<\/DIV>
    \n
                if<\/B> (dataType == SQLSERVER)<\/DIV>
    \n
                    return<\/B>new<\/B> SqlserverDataOperate();<\/DIV>
    \n
            }<\/DIV>
    \n
            return<\/B> db;<\/DIV>
    \n
        }<\/DIV>
    \n
    }<\/DIV>
    \n
     <\/DIV>
    \n
    \uff14\u3001\u63a5\u4e0b\u6765\u5c31\u770b\u770b\u4f7f\u7528\u7aef\u662f\u5982\u4f55\u8c03\u7528\u5de5\u5382\u65b9\u6cd5\u548c\u4f7f\u7528\u6570\u636e\u64cd\u4f5c\u7c7b\u7684\u3002<\/DIV>
    \n
    \/**<\/DIV>
    \n
     * \u7cfb\u7edf\u67d0\u4e2a\u529f\u80fd\u7c7b<\/DIV>
    \n
     *\/<\/DIV>
    \n
    public<\/B>class<\/B> SampleClass {<\/DIV>
    \n
    private<\/B> DataOperate db; \/\/\u58f0\u660e\u4e00\u4e2a\u6570\u636e\u5e93\u64cd\u4f5c\u7c7b\uff0c\u6ce8\u610f\u8fd9\u91cc\u7528\u7684\u662f\u63a5\u53e3\u5662<\/DIV>
    \n
        \/**\u67d0\u65b9\u6cd5*\/<\/DIV>
    \n
        public<\/B>void<\/B> sampleMethod() {<\/DIV>
    \n
            db = DataOperateFactory.getInstance();\/\/\u5f97\u5230\u5355\u4e00\u5b9e\u4f8b<\/DIV>
    \n
            People p = db.getPeople(“123”); \/\/\u53d6\u5f97\u4e00\u6761\u8bb0\u5f55<\/DIV>
    \n
            db.insertPeople(p);\/\/\u518d\u63d2\u56de\u53bb<\/DIV>
    \n
        }<\/DIV>
    \n
    }<\/DIV>
    \n
     <\/DIV>
    \n
    \u3000\u3000\u6211\u4eec\u53d1\u73b0SampleClass\u4e2d\u6839\u672c\u6ca1\u6709\u51fa\u73b0OracelDataOperate\u3001MysqlDataOperate\u7b49\u7684\u5f71\u5b50\uff0c\u8fd9\u5c31\u662f\u63a5\u53e3\u7684\u5a01\u529b\u3002\u5ba2\u6237\u7aef\u4e0d\u5fc5\u9488\u5bf9OracelDataOperate\u7b49\u5199\u4e0d\u540c\u7684\u4ee3\u7801\uff0c\u5b83\u53ea\u5173\u5fc3DataOperate\u5373\u53ef\uff0c\u5177\u4f53\u8981\u53d6\u90a3\u4e2a\u7c7b\u7684\u903b\u8f91\u5c31\u7531DataOperateFactory\u8d1f\u8d23\u4e86\u3002<\/DIV>
    \n
     <\/DIV>
    \n
    \u603b\u7ed3\uff1a<\/DIV>
    \n

      \n

    • \n
      \u4ece\u4f8b\u5b50\u4e2d\u6211\u4eec\u53ef\u4ee5\u770b\u5230\u4ec0\u4e48\u662f\u9762\u5411\u63a5\u53e3\u7684\u7f16\u7a0b\u65b9\u5f0f\u3002SampleClass\u4f7f\u7528\u6570\u636e\u64cd\u4f5c\u7c7b\u53ef\u4ee5\u4e0d\u5fc5\u5173\u5fc3\u5177\u4f53\u662f\u90a3\u4e2a\u7c7b\uff0c\u53ea\u8981\u662f\u7b26\u5408\u63a5\u53e3\u7684\u90fd\u884c<\/DIV>
      \n

    • \n
      \u8981\u5b9e\u4f8b\uff1f\u53ea\u987b\u8c03\u7528DataOperateFactory.getInstance()\u5373\u53ef\uff0c\u5176\u5b83\u7684\u4ea4\u4e8eDataOperateFactory\u8fd9\u4e2a\u5de5\u5382\u6765\u505a\u5427\uff0c\u4f7f\u7528\u7aef\u4ec0\u4e48\u90fd\u4e0d\u7528\u5173\u5fc3\u3002<\/DIV>
      \n

    • \n
      \u6211\u4eec\u8981\u652f\u6301\u65b0\u7684\u6570\u636e\u5e93\u7c7b\u578b\uff0c\u53ea\u987b\u8981\u8c61OracelDataOperate\u90a3\u6837\uff0c\u518d\u5199\u4e00\u4e2a\u7ee7\u627fAbstractDataOperate\u7684\u7c7b\u5373\u53ef\uff0c\u6bd4\u5982SysbaseDataOperate\u3002\u7136\u540e\u5230DataOperateFactory\u4e2d\u52a0\u5165\u76f8\u5e94\u4ee3\u7801\u5373\u53ef\u3002<\/DIV>
      \n

    • \n
      \u5982\u679c\u6211\u4eec\u60f3\u8981\u53ef\u914d\u7f6e\u6027\u66f4\u9ad8\uff0c\u53ef\u4ee5\u7528private<\/B>static<\/B>int<\/B> dataType = MYSQL;\u4e2d\u7684\u503c\u8bbe\u7f6e\u5230\u4e00\u4e2a\u6587\u672c\u6587\u4ef6\u4e2d\u3002<\/DIV><\/LI><\/UL>
      \n
      \u3000\u3000\u5bf9\u4e8e\u5f00\u53d1\u652f\u6301\u591a\u79cd\u6570\u636e\u5e93\u7684\u7cfb\u7edf\uff0c\u5f3a\u70c8\u5efa\u8bae\u4f7f\u7528hibernate\uff0c\u6211\u73b0\u5728\u505a\u7684\u7cfb\u7edf\u5c31\u662f\u7528hibernate\u7684\uff0c\u5f00\u53d1\u65f6\u7528Mysql\uff0c\u5230\u8981\u7ed9\u5ba2\u6237\u65f6\u5c06\u6570\u636e\u5e93\u6362\u4e86DB2\uff0c\u7a0b\u5e8f\u4e0d\u7528\u505a\u4efb\u4f55\u6539\u52a8\uff0c\u771f\u6b63\u7684\u65e0\u9022\u79fb\u690d\u3002\u4e0d\u8fc7\u8fd9\u6837\uff0c\u672c\u6587\u6240\u63d0\u5230\u7684\u65b9\u6cd5\u5c31\u6ca1\u4ec0\u4e48\u7528\u4e86.<\/DIV>
      \n
      <\/DIV><\/p>\n","protected":false},"excerpt":{"rendered":"

           \u968f\u7740\u6a21\u5f0f\u6982\u5ff5\u7684\u666e\u53ca\uff0c\u4e86\u89e3\u6a21\u5f0f\u548c\u4f7f\u7528\u6a21\u5f0f\u7684\u7a0b\u5e8f\u5458\u8d8a\u6765\u8d8a\u591a\uff0c\u5f88\u591a\u4eba\u5728\u5b66\u4e60\u6a21\u5f0f\u7684\u65f6\u5019\uff0c\u90fd\u4f1a\u6709\u8fd9\u6837\u4e00\u79cd\u7591\u60d1\uff1a\u201c\u6709\u5fc5\u8981\u641e\u5f97\u8fd9\u4e48\u590d\u6742\u5417\uff1f\u201d\u3002\u7684\u786e\uff0c\u56e0\u4e3a\u6559\u7a0b\u7684\u4f8b\u5b50\u8fc7\u4e8e\u7b80\u5355\u5316\uff08\u8fd9\u6837\u65b9\u4fbf\u8bfb\u8005\u5b66\u4e60\uff09\uff0c\u6216\u8005\u662f\u4f5c\u8005\u9009\u4f8b\u5b50\u7684\u65f6\u5019\u5e76\u6ca1\u6709\u5f88\u597d\u4f53\u73b0\u6240\u8bb2\u6a21\u5f0f\u7684\u4f18\u70b9\uff0c\u5f88\u591a\u60c5\u51b5\u4e0b\u5982\u679c\u4ec5\u5c31\u5176\u4f8b\u5b50\u7684\u95ee\u9898\u6765\u8bf4\uff0c\u7528\u6a21\u5f0f\u662f\u592a\u590d\u6742\u4e86\u3002\u56e0\u6b64\u624d\u5bfc\u81f4\u8fd9\u6837\u7684\u8bef\u89e3\uff1a\u201c\u6a21\u5f0f\u5c31\u662f\u628a\u7b80\u5355\u7684\u95ee\u9898\u590d\u6742\u5316\u5417\uff1f\u201d\u3002\u5f53\u7136\u4e0d\u662f\uff0c\u968f\u7740\u4f60\u5f00\u53d1\u5b9e\u8df5\u7684\u4e0d\u65ad\u4e30\u5bcc\uff0c\u4f60\u7ec8\u4f1a\u53d1\u73b0\u6a21\u5f0f\u5f3a\u5927\u5a01\u529b\uff0c\u800c\u4e14\u6a21\u5f0f\u4e5f\u5e76\u975e\u8d35\u65cf\u5316\u7684\u7f16\u7a0b\u65b9\u5f0f\uff0c\u5b83\u5c31\u662f\u4e00\u4e9b\u7ecf\u8fc7\u63d0\u70bc\u4e86\u7684\u89e3\u51b3\u95ee\u9898\u7684\u65b9\u6cd5\u6280\u5de7\u3002         \u901a\u8fc7\u5b66\u4e60\u6a21\u5f0f\uff0c\u7a0b\u5e8f\u5458\u5f00\u59cb\u544a\u522b\u8fc7\u53bb\u51c6\u76f4\u7ebf\u5f0f\u7684\u4ee3\u7801\u65b9\u5f0f\uff0c\u6a21\u5f0f\u5f00\u6269\u4e86\u6211\u4eec\u7684\u89c6\u91ce\uff0c\u5f3a\u5316\u4e86\u6211\u4eec\u9762\u5411\u5bf9\u8c61\u7f16\u7a0b\u7684\u601d\u7ef4\u65b9\u5f0f\u3002\u7136\u800c\u73b0\u5728\u53c8\u51fa\u73b0\u4e86\u53e6\u4e00\u4e2a\u666e\u904d\u7684\u95ee\u9898\uff0c\u76f2\u76ee\u5e94\u7528\u6a21\u5f0f\u3002\u6a21\u5f0f\u662f\u95ee\u9898\u7684\u89e3\u51b3\u65b9\u6848\uff0c\u5148\u6709\u95ee\u9898\u624d\u6709\u6a21\u5f0f\uff0c\u6a21\u5f0f\u662f\u4f9d\u9644\u4e8e\u6240\u8981\u89e3\u51b3\u7684\u95ee\u9898\u7684\u800c\u751f\u7684\u3002\u5fc5\u987b\u4e86\u89e3\u6a21\u5f0f\u5728\u5f88\u591a\u60c5\u51b5\u4e0b\u662f\u4ee5\u63d0\u9ad8\u4ee3\u7801\u7684\u590d\u6742\u5ea6\u4e3a\u4ee3\u4ef7\u6765\u589e\u5f3a\u7075\u6d3b\u6027\u3001\u53ef\u590d\u7528\u6027\u3002\u5982\u679c\u5728\u81ea\u5df2\u7684\u4ee3\u7801\u4e2d\u4f7f\u7528\u67d0\u4e00\u6a21\u5f0f\u4ec5\u53ea\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u590d\u6742\u5ea6\uff0c\u800c\u5176\u5b83\u65b9\u9762\u6536\u6548\u751a\u5fae\uff0c\u6216\u8005\u67d0\u90e8\u4efd\u4ee3\u7801\u6839\u672c\u5c31\u4e0d\u5b58\u5728\u7075\u6d3b\u6027\u53ca\u9ad8\u590d\u7528\u6027\u7684\u9700\u6c42\uff0c\u90a3\u4e48\u6211\u4eec\u5c31\u6ca1\u6709\u5fc5\u8981\u4e3a\u4f7f\u7528\u6a21\u5f0f\u800c\u653e\u5f03\u66f4\u76f4\u89c2\u7b80\u5355\u7684\u4ee3\u7801\u5199\u6cd5\u3002         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        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        \u5373\u7136\u6570\u636e\u5e93\u5b58\u5728\u591a\u79cd\uff0c\u6211\u4eec\u53ef\u4ee5\u5c06\u7cfb\u7edf\u4e2d\u6240\u6709\u5bf9\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u62bd\u8c61\u51fa\u6765\uff0c\u5199\u6210\u4e00\u4e2a\u4e2a\u65b9\u6cd5\u7ec4\u5408\u5230\u4e00\u4e2a\u7c7b\u4e2d\uff0c\u6709\u51e0\u79cd\u6570\u636e\u5e93\u6211\u4eec\u5c31\u5199\u51e0\u4e2a\u8fd9\u6837\u7684\u7c7b\u3002\u5177\u4f53\u8bbe\u8ba1\u7c7b\u56fe\u5982\u4e0b\uff1a     \u7b80\u8981\u8bf4\u660e\uff1a OracleDataOperate\u3001SqlserverDataOperate\u3001MysqlDataOperate\uff0c\u5206\u522b\u4ee3\u8868Oracle\u3001Sqlserver\u3001Mysql\u8fd9\u4e09\u79cd\u6570\u636e\u5e93\u7684\u64cd\u4f5c\u7c7b\u3002\u7ee7\u627f\u81eaAbstractDataOperate AbstractDataOperate\u662f\u4e00\u4e2a\u62bd\u8c61\u7c7b\uff0c\u5305\u542b\u4e86\u90a3\u4e9b\u4e0d\u540c\u79cd\u7c7b\u6570\u636e\u5e93\u90fd\u662f\u4e00\u6837\u4ee3\u7801\u7684\u64cd\u4f5c\u65b9\u6cd5\u3002\u7ee7\u627f\u81eaDataOperate DataOperate\u662f\u4e0a\u9762\u8bf4\u7684\u6570\u636e\u64cd\u4f5c\u7c7b\u7684\u7edf\u4e00\u63a5\u53e3\uff0c\u53ea\u6709\u4e24\u4e2a\u65b9\u6cd5\uff1a\u53d6\u5f97\u4e00\u6761\u8bb0\u5f55\u3001\u63d2\u5165\u4e00\u6761\u8bb0\u5f55\u3002 DataOperateFactory\u662f\u4e00\u4e2a\u5de5\u5382\u65b9\u6cd5\uff0c\u7edf\u4e00\u7528\u5b83\u7684\u65b9\u6cd5\u6765\u5f97\u5230\u6570\u636e\u5e93\u64cd\u4f5c\u7c7b\u7684\u5b9e\u4f8b\u3002 SampleClass\u662f\u6211\u4eec\u7cfb\u7edf\u7684\u67d0\u4e2a\u529f\u80fd\u6a21\u5757\u7684\u7c7b\u3002 People\u662f\u4e00\u4e2a\u5b9e\u4f53\u7c7b\uff0c\u4ee3\u8868\u4e00\u6761\u8bb0\u5f55\u3002\u4e09\u4e2a\u5b57\u6bb5\u3000oid\u552f\u4e00\u6807\u8bc6\u7b26\u3001name\u59d3\u540d\u3001date\u751f\u65e5\u3002   \u8be6\u7ec6\u8bf4\u660e\uff1a \uff11\u3001\u6240\u6709\u7cfb\u7edf\u529f\u80fd\u6a21\u5757\u7c7b\u53ea\u8ba4DataOperat\u8fd9\u4e2a\u63a5\u53e3\u8fd8\u4e0d\u5fc5\u7ba1\u5177\u4f53\u7684\u5b9e\u73b0\u7c7b\u662fOracleDataOperate\u8fd8SqlserverDataOperate\u3002DataOperate\u6e90\u4ee3\u7801\u5982\u4e0b\uff1a publicinterface DataOperate {     \/\/\u6839\u636e\u8bb0\u5f55\u7684\u552f\u4e00\u6807\u8bc6\u53d6\u51fa\u4e00\u6761\u8bb0\u5f55     People getPeople(String oid);     \/\/\u63d2\u5165\u4e00\u6761\u8bb0\u5f55     boolean insertPeople(People people); }   \uff12\u3001AbstractDataOperate\u3001OracleDataOperate\u3001SqlserverDataOperate\u3001MysqlDataOperate\u90fd\u662f\u7ee7\u627fDataOperate\u63a5\u53e3\u7684\uff0c\u6ca1\u4ec0\u4e48\u597d\u8bf4\u7684\uff0c\u7701\u7565\u3002   \uff13\u3001DataOperateFactory\u3002\u6211\u4eec\u770b\u770b\u5de5\u5382\u65b9\u6cd5\u600e\u4e48\u5199\u7684\u3002 publicclass DataOperateFactory {     publicstaticfinalint ORACLE = 0; … Continue reading 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