\u4f7f\u7528Access\u6570\u636e\u5e93\u7684\u7ec4\u4ef6\u5728\u5b98\u65b9\u4e0b\u8f7d\u7684NHibernate-contrib\u6587\u4ef6\u91cc\uff0c\u6709\u4e2aNHibernate.JetDriver.dll\uff0c \u8fd9\u4e2a\u6587\u4ef6\u4e5f\u662f\u5fc5\u987b\u7684\u3002\u5176\u5b9e\uff0c\u5728app.config\u6587\u4ef6\u91cc\u52a0\u5165NHibernate\u5c5e\u6027\u7684\u8bed\u53e5\u662f\uff1a\n\n\n? \n???

\n? <\/configSections>\n? \n??? \n??? \n??? \n??? \n? <\/nhibernate>\n<\/configuration><\/p>\n

\u90a3\u4e2adialect\u548cdriver_class\u7684\u503c\u91cc\u9762\u524d\u9762\u662f\u7c7b\u540d\u79f0\uff0c\u540e\u9762\u662f\u547d\u540d\u7a7a\u95f4\u540d\u79f0\uff0c\u4e2d\u95f4\u7528\u9017\u53f7\u5206\u5f00\uff0c\u4e0d\u53ef\u7f3a\u5c11\u3002\u4ee5\u524d\u67e5\u5230\u7684\u4e00\u4e9b\u8d44\u6599\u91cc\u90fd\u6ca1\u6709 \u8fd9\u4e00\u6b65\uff0c\u6240\u4ee5\u4e00\u76f4\u5931\u8d25\u3002<\/p>\n

\u6700 \u540e\u8fd8\u6709\u4e00\u4e2a\u95ee\u9898\uff0c\u7528\u6237\u8868\u91cc\u9762\u7684LastLogon\u662f\u4e2a\u65e5\u671f\u65f6\u95f4\u5b57\u6bb5\uff0c\u7c7b\u91cc\u9762\u5b57\u6bb5\u7684\u5c5e\u6027\u4e5f\u8bbe\u6210\u65e5\u671f\u65f6\u95f4\uff0c\u63d2\u5165\u7684\u65f6\u5019\u62a5\u9519\uff0c\u628a\u7c7b\u91cc\u9762\u7684\u5b57\u6bb5\u6539\u6210string\u5c31 \u53ef\u4ee5\u4e86\uff0c\u53ef\u80fd\u662f\u56e0\u4e3a\u63d2\u5165\u7684\u65f6\u5019\u6ca1\u6709\u52a0\u5f15\u53f7\u7684\u95ee\u9898\u3002\u8fd8\u6709\u5bc6\u7801\u5b57\u6bb5\u5982\u679c\u5b57\u6bb5\u540d\u4e3aPassword\uff0c\u540c\u6837\u63d2\u5165\u51fa\u9519\uff0c\u8fd9\u4e2a\u5e94\u8be5\u662f\u5b57\u6bb5\u540d\u8ddf\u5173\u952e\u5b57\u51b2\u7a81\u7684\u95ee\u9898\uff0c\u770b\u6765\u4f5c \u8005\u6ca1\u6709\u8003\u8651\u5230\u628a\u5b57\u6bb5\u540d\u62ec\u8d77\u6765\u7684\u95ee\u9898\u3002\u4f46\u662f\u6211\u4e00\u76f4\u6ca1\u6709\u529e\u6cd5\u663e\u793a\u51fa\u6700\u7ec8\u8981\u6267\u884c\u7684sql\u8bed\u53e5\uff0c\u6240\u4ee5\u4e5f\u4e00\u76f4\u6ca1\u6709\u529e\u6cd5\u786e\u5b9a\u9519\u8bef\u539f\u56e0\u3002\u4e0d\u8fc7\u6709\u4e86\u4ee5\u4e0a\u5185\u5bb9\uff0c\u5e94\u8be5\u8db3\u591f\u5199\u5b8c \u6574\u4e2a\u7a0b\u5e8f\u4e86\u3002<\/p>\n

\u6d4b\u8bd5\u4e86\u4e00\u4e0b\u6027\u80fd\uff0c\u70b9\u51fb\u6309\u94ae\u5230\u8fd4\u56de\uff0c\u89812\u79d2\u591a\uff0c\u660e\u663e\u6709\u70b9\u6162\uff0c\u505a\u4e86\u4e00\u4e2a10000\u4e2a\u65b0\u6570\u636e\uff0c\u7136\u540e\u4e00\u6b21\u5199\u5165\uff0c\u7528\u4e8620\u79d2\u624d\u5199\u5b8c\uff0c\u6709\u70b9\u4e0d\u53ef\u63a5\u53d7\u4e86\u3002\u56de\u5934\u8bd5\u4e00 \u4e0b\u76f4\u63a5\u7528OleDb\u5199\u5165\u7684\u901f\u5ea6\u6bd4\u8f83\u4e00\u4e0b\u5427\u3002<\/p>\n

\u5bf9\u4e8e\u6628\u5929\u7684\u95ee\u9898\uff0c\u7ee7\u7eed\u7814\u7a76\u4e86\u4e00\u4e0b\u3002\u7ecf\u8fc7\u4e00\u9635\u641c\u7d22\uff0c\u53d7\u5230\u4e86\u53e6\u4e00\u4f4d\u4ec1\u5144\u7684\u542f\u53d1\u3002\u73b0\u5728\u7684\u901f\u5ea6\u6162\uff0c\u8ddf\u591a\u4e00\u6b21DLL\u8c03\u7528\u5e94\u8be5\u4e5f\u6709\u4e0d\u5c0f\u7684\u5173\u7cfb\uff0c\u4e3a\u4ec0\u4e48\u4e0d\u628a NHibernate.JetDriver\u5408\u5e76\u8fdb\u4e3b\u6a21\u5757\u5462\uff1f\u6253\u5f00NHibernate\u7684\u6e90\u4ee3\u7801\uff0c\u8bd5\u7740\u7f16\u8bd1\u4e86\u4e00\u4e0b\uff0c\u62a5\u9519\uff0c\u8bf4\u662f\u7b7e\u540d\u5931\u8d25\uff0c\u7f3a\u5c11\u4e00\u4e2asn\u6587\u4ef6\u3002 \u540e\u6765\u627e\u5230\u8fd9\u4e2a\u6587\u4ef6\u662f\u9700\u8981\u81ea\u5df1\u751f\u6210\u7684\uff0c\u4f7f\u7528VS\u81ea\u5e26\u7684\u4e00\u4e2a\u5de5\u5177sn.exe -k NHibernate.snx\u5c31\u53ef\u4ee5\u4e86\uff0c\u628a\u8fd9\u4e2a\u6587\u4ef6\u653e\u5230src\u76ee\u5f55\u4e0b\uff0c\u7f16\u8bd1\u901a\u8fc7\u3002<\/p>\n

\u5728NHibernate\u7684\u9879\u76ee\u91cc\u6dfb\u52a0\u76ee\u5f55 JetDriver\uff0c\u7136\u540e\u628aNHibernate-Contrib\u91cc\u9762\u7684NHibernate.JetDriver\u76ee\u5f55\u91cc\u9762\u7684\u6e90\u4ee3\u7801\u4e00\u4e2a\u4e2a\u6dfb\u52a0\u8fdb\u6765\uff0c\u7f16 \u8bd1\uff0c\u901a\u8fc7\u4e86\u3002\u8bd5\u7740\u8c03\u7528\u4e00\u4e0b\uff0c\u7528\u6628\u5929\u90a3\u4e2a\u7a0b\u5e8f\uff0c\u91cd\u65b0\u6dfb\u52a0\u5f15\u7528\uff0c\u6210\u529f\u4e86\uff0c\u51cf\u5c11\u4e86\u4e00\u4e2aDLL\u6587\u4ef6\u3002<\/p>\n

\u987a\u4fbf\u7814\u7a76\u4e86\u4e00\u4e0bJetDriver\u7684\u6e90\u4ee3\u7801\uff0c\u5728JetDialect.cs\u6587\u4ef6\u91cc\u627e\u5230\u4e86\u4e00\u6bb5\uff1a\n??public override char CloseQuote\n??{\n???get { return ”; }\n??}<\/p>\n

\u521d \u6b65\u4ee5\u4e3a\u8fd9\u4e2a\u5e94\u8be5\u662f\u81ea\u52a8\u6dfb\u52a0\u5728\u5b57\u6bb5\u540d\u4e0a\u7684\u4fee\u9970\uff0c\u4e8e\u662f\u628a\u4e2d\u95f4\u6539\u6210\u4e2d\u62ec\u53f7\uff0c\u7ed3\u679c\u5931\u8d25\uff0c\u67e5\u770b\u4e86\u4e00\u4e0bNHibernate\u8f93\u51fa\u7684SQL\uff0c\u6ca1\u6709\u8d77\u4f5c\u7528\uff0c\u653e\u5f03\u3002\u5728 JetDbCommand.cs\u6587\u4ef6\u91cc\u627e\u5230\u4e00\u6bb5CheckParameters\uff0c\u5982\u679c\u5b57\u6bb5\u5c5e\u6027\u662f\u65e5\u671f\u65f6\u95f4\u5b57\u6bb5\uff0c\u90a3\u4e48\u4f1a\u81ea\u52a8\u8f6c\u6362\u6210\u5b57\u7b26\u4e32\u3002\u65e2\u7136\u5982\u6b64\uff0c\u4e3a\u4ec0\u4e48 \u6211\u63d2\u5165\u65e5\u671f\u65f6\u95f4\u5b57\u6bb5\u7684\u65f6\u5019\u8fd8\u662f\u6709\u95ee\u9898\u5462\uff1f\u5b83\u7684ToString\u662f\u6709\u683c\u5f0f\u7684\uff0cToString( “dd-MMM-yyyy HH:mm:ss”)\uff0c\u628a\u8fd9\u4e2a\u683c\u5f0f\u6dfb\u52a0\u5230\u6211\u81ea\u5df1\u7684\u7a0b\u5e8f\u7684\u8f6c\u6362\u8fc7\u7a0b\u91cc\uff0c\u7ed3\u679c\u4e5f\u5931\u8d25\u4e86\uff0c\u539f\u6765\u5982\u6b64\uff0c\u8fd9\u4e2a\u8f6c\u6362\u540e\u7684\u683c\u5f0f\u518d\u5f80Access\u91cc\u9762\u5199\u7684\u65f6\u5019\u6ca1\u6709\u529e\u6cd5\u6b63\u786e \u7684\u8f6c\u6362\u56de\u53bb\u4e86\uff0c\u4e8e\u662f\u4fee\u6539\u8fd9\u4e2a\u683c\u5f0f\uff0cToString( “dd\/MM\/yyyy HH:mm:ss” )\uff0c\u91cd\u65b0\u7f16\u8bd1NHibernate.dll\uff0c\u91cd\u65b0\u7f16\u8bd1\u6d4b\u8bd5\u7a0b\u5e8f\uff0c\u628a\u5b57\u6bb5\u5c5e\u6027\u548c\u6620\u5c04\u5c5e\u6027\u90fd\u6539\u6210\u65e5\u671f\uff0c\u6210\u529f\u4e86\u3002<\/p>\n

\u81f3\u4e8ePassword\u5b57\u6bb5\u540d\u5b57\u51b2 \u7a81\u7684\u95ee\u9898\uff0c\u867d\u7136\u8ba9\u6570\u636e\u5e93\u91cc\u9762\u7684\u5b57\u6bb5\u4e0d\u8981\u53ebPassword\u53ef\u4ee5\u89e3\u51b3\u95ee\u9898\uff0c\u4f46\u662f\u6bd5\u7adf\u6bd4\u8f83\u4e11\u964b\uff0c\u7ed3\u679c\u8bd5\u4e86\u4e00\u4e0b\u5728\u6620\u5c04\u6587\u4ef6\u91cc\u9762\u7684column\u5c5e\u6027\u91cc\u52a0\u4e0a\u4e2d\u62ec\u53f7\u4fee \u9970\uff0c\u4e5f\u901a\u8fc7\u4e86\uff0cOK\uff0c\u95ee\u9898\u4e0d\u5b8c\u7f8e\u89e3\u51b3\u3002\u5982\u679c\u60f3\u8981\u7684\u8bdd\uff0c\u53ef\u4ee5\u5728\u6620\u5c04\u6587\u4ef6\u7684\u6240\u6709\u5b57\u6bb5\u540d\u4e0a\u52a0\u4e0a\u4e2d\u62ec\u53f7\uff0c\u5f53\u7136\uff0c\u5176\u5b9e\u53ea\u6709Username\u548cPassword\u662f\u5fc5\u987b \u7684\u3002\u8fd8\u662f\u6ca1\u6709\u627e\u5230\u7a0b\u5e8f\u4e2d\u54ea\u91cc\u53ef\u4ee5\u4fee\u6539\uff0c\u81ea\u52a8\u4e3a\u5b57\u6bb5\u540d\u6dfb\u52a0\u4fee\u9970\uff0c\u96be\u9053\u6ca1\u6709\u8003\u8651\u5230\u8fd9\u4e2a\u529f\u80fd\uff1f<\/p>\n

\u7ecf\u8fc7\u4e24\u5929\u7684\u82e6\u6218\uff0c\u5f97\u51fa\u4e00\u4e2a\u7ed3\u8bba\uff0cNHibernate\u4e0d\u9002\u5408Access\u5f00\u53d1\uff0c\u8fd8\u662f\u653e\u5f03\u5427\u3002<\/p>\n

\u524d\u9762\u5f88\u5bb9\u6613\u7684\u641e\u5b9a\u4e86Driver\u7684\u95ee\u9898\u4ee5\u540e\uff0c\u81ea\u4ee5\u4e3a\u79bb\u6210\u529f\u5df2\u7ecf\u5f88\u8fd1\u4e86\uff0c\u4f46\u662f\u6ca1\u6709\u60f3\u5230\uff0c\u771f\u6b63\u7684\u56f0\u96be\u8fd8\u5728\u540e\u9762\u3002<\/p>\n

\u901a \u5e38\u6570\u636e\u5e93\u7a0b\u5e8f\u4e2d\u6700\u5e38\u7528\u7684\u4e00\u4e2a\u5173\u7cfb\u5c31\u662f\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\uff0c\u8fd9\u4e5f\u662fNHibernate\u63a8\u8350\u4f7f\u7528\u7684\u5173\u7cfb\u7c7b\u578b\uff0c\u4e8e\u662f\u5f88\u7b80\u5355\u7684\u5efa\u4e86\u4e00\u4e2a\u6570\u636e\u5e93\uff0c\u4e00\u4e2aGroups\u8868\uff0c\u5305 \u62ecGroupID\u548cGroupName\uff0c\u4e00\u4e2aItems\u8868\uff0c\u5305\u62ecItemID\u548cItemName\u8fd8\u6709GroupID\u3002\u901a\u5e38\u8fd9\u4e2a\u5173\u7cfb\u53ef\u4ee5\u4ee3\u8868\u6570\u636e\u5e93\u7cfb\u7edf\u4e2d\u7edd \u5927\u90e8\u5206\u5173\u7cfb\u7c7b\u578b\u3002\u6bd4\u5982\u7528\u6237\u548c\u7ec4\uff0c\u4ea7\u54c1\u548c\u7c7b\u522b\uff0c\u7b49\u7b49\u3002<\/p>\n

\u6309\u7167\u4e0a\u4e00\u6b21\u5199\u7684Config\u6587\u4ef6\u548chbm.xml\u6587\u4ef6\uff0c\u5f88\u5feb\u5199\u597d\u4e86\u6574\u4e2a\u7cfb\u7edf\u7684\u6846\u67b6\uff0c\u4e0d\u8fc7 \u5bf9\u4e8e\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\u5982\u4f55\u5904\u7406\u8fd8\u6ca1\u6709\u601d\u8def\uff0c\u770b\u4e86\u770b\u522b\u4eba\u7684\u6587\u7ae0\uff0c\u90fd\u662f\u4e00\u4e2aset\u505aOne-to-more\uff0c\u53e6\u4e00\u4e2a\u505aMore-to-one\uff0c\u5728Group\u7c7b\u91cc\u5b9a \u4e49\u4e86\u4e00\u4e2aItems\u7684\u53d8\u91cf\uff0c\u53d8\u91cf\u7c7b\u578b\u4e00\u5f00\u59cb\u4f7f\u7528IDictionary\uff0c\u5728Item\u7c7b\u91cc\u5b9a\u4e49\u4e86\u4e00\u4e2aGroup\u7c7b\u578b\u7684\u53d8\u91cf\uff0c\u4ee3\u8868\u5b83\u6240\u5bf9\u5e94\u7684Group\uff0c\uff08\u4e00 \u5f00\u59cb\u5b9a\u4e49\u6210\u4e86Int\u578b\u7684GroupID\uff0c\u540e\u6765\u53d1\u73b0\u8fd9\u662f\u4e2a\u4e25\u91cd\u7684\u9519\u8bef\uff0c\u603b\u662f\u63d0\u793a\u65e0\u6cd5\u8f6c\u6362\u6210\u6b63\u786e\u7684\u7c7b\u578b\uff09\u3002\u7ed3\u679c\u5355\u72ec\u521b\u5efa\u4e86\u4e00\u4e2aGroup\u53d8\u91cf\u518d\u4fdd\u5b58\u7684\u65f6\u5019\u90fd\u4e00 \u76f4\u62a5\u9519\uff0c\u8bf4\u6570\u636e\u7c7b\u578b\u8f6c\u6362\u9519\u8bef\uff0c\u540e\u6765\u67e5\u4e86\u4e00\u4e9b\u82f1\u6587\u8d44\u6599\uff0c\u597d\u50cf\u5728C#\u91cc\u6ca1\u6709\u529e\u6cd5\u628aIDictionary\u8f6c\u6362\u6210NHibernate\u4f7f\u7528\u7684Set\u7c7b\u578b\uff0c\u8981\u7528 ICollection\uff0c\u4f46\u662f\u628aItems\u6539\u6210\u8fd9\u4e2a\u7c7b\u578b\u4ee5\u540e\uff0c\u53d1\u73b0\u8fd9\u4e2a\u7c7b\u578b\u672c\u8eab\u6ca1\u6709Add\u65b9\u6cd5\uff0c\u90a3\u600e\u4e48\u628a\u5b83\u7684Item\u52a0\u8fdb\u6765\u5462\uff1f\u767e\u601d\u4e0d\u5f97\u5176\u89e3\u554a\u3002\u4f3c\u4e4e\u6ca1\u6709 \u4e00\u7bc7\u6587\u7ae0\u63d0\u5230\u8fd9\u4e2a\u89e3\u51b3\u65b9\u6848\u3002<\/p>\n

\u665a\u4e0a\u518d\u52aa\u529b\u67e5\u627e\uff0c\u7ec8\u4e8e\u770b\u5230\u4e00\u4e1d\u7ebf\u7d22\uff0cNHibernate\u5185\u90e8\u4f7f\u7528\u7684\u662f Iesi.Collections.ISet\u63a5\u53e3\u7c7b\u578b\uff0c\u5b83\u6d3e\u751f\u51fa\u4e86\u597d\u51e0\u79cd\u7c7b\u578b\uff0c\u5bf9\u5e94\u4e0d\u540c\u529f\u80fd\u7684\u5217\u8868\u3002ISet\u8fd9\u4e2a\u4e1c\u897fC#\u672c\u8eab\u662f\u4e0d\u5177\u5907\u7684\uff0c\u8fd9\u662f\u8fd9\u4e2a\u7b2c\u4e09\u65b9 \u5e93\u6a21\u4effJava\u505a\u51fa\u6765\u7684\u3002\u4e8e\u662f\u5728Group\u91cc\u9762\u52a0\u4e0a\u8fd9\u4e2a\u5f15\u7528\uff0c\u7136\u540e\u628aItems\u6539\u6210\u8fd9\u4e2a\u7c7b\u578b\uff0c\u54c7\uff0c\u7ec8\u4e8e\u901a\u8fc7\u4e86\uff0c\u53ef\u4ee5\u6dfb\u52a0Group\u4e86\u3002\u5f00\u5fc3\u3002<\/p>\n

\u63a5\u4e0b\u6765Load\u4e00\u4e2aGroup\u51fa\u6765\uff0c\u521b\u5efa\u4e00\u4e2aItem\uff0c\u628a\u8fd9\u4e2aGroup\u53d8\u91cf\u8d4b\u7ed9Item\u7684Group\u5c5e\u6027\u3002\u4fdd\u5b58Item\uff0c\u6210\u529f\u4e86\uff01<\/p>\n

\u4f46 \u662f\u770b\u6765\u770b\u53bb\u603b\u89c9\u5f97\u4e0d\u662f\u4e2a\u5473\uff0c\u597d\u50cf\u90a3\u4e2a\u4e00\u5bf9\u591a\u5173\u7cfb\u767d\u5b9a\u4e49\u4e86\u3002\u56e0\u4e3a\u770b\u4eba\u5bb6\u7684\u8bf4\u6cd5\uff0c\u5e94\u8be5\u662f\u5b9a\u4e49\u4e00\u4e2aGroup\uff0c\u7136\u540e\u5b9a\u4e49\u4e00\u4e2aItem\uff0c\u628a\u8fd9\u4e2aItem\u6dfb\u52a0\u5230 Group\u7684Items\u5217\u8868\u91cc\uff0c\u7136\u540e\u53ea\u8981\u4fdd\u5b58Group\uff0c\u90a3\u4e48\u8fd9\u4e2aItem\u4e5f\u4f1a\u81ea\u52a8\u4fdd\u5b58\uff0c\u7ed3\u679c\u6211\u8bd5\u6765\u8bd5\u53bb\u4e0d\u6210\u529f\uff0c\u63d0\u793a\u4e00\u4e2a\u9519\u8bef\uff0c\u63d2\u5165\u6216\u66f4\u65b0\u51fa\u9519\uff0c\u671f\u671b1 \u884c\uff0c\u7ed3\u679c0\u884c\uff0c\u53ef\u80fd\u662f\u522b\u7684\u7528\u6237\u66f4\u6539\u6216\u5220\u9664\u7684\u6570\u636e\u7b49\u7b49\u3002<\/p>\n

\u56e0\u4e3a\u4e00\u5f00\u59cb\u505a\u7684\u662f\u4e00\u4e2aWeb\u5e94\u7528\u7a0b\u5e8f\uff0c\u7ed3\u679c\u5728\u914d\u7f6e\u6587\u4ef6\u91cc\u8bbe\u6210show_sql\u4e3a true\u4ee5\u540e\uff0c\u8fd8\u662f\u6ca1\u6709\u529e\u6cd5\u770b\u5230\u751f\u6210\u7684Sql\u8bed\u53e5\uff0c\u4e8e\u662f\u65b0\u5efa\u4e00\u4e2aexe\u9879\u76ee\uff0c\u4ee3\u7801\u4e00\u6837\uff0c\u8fd0\u884c\u4e00\u4e0b\uff0c\u679c\u7136\u770b\u5230Sql\u8bed\u53e5\u4e86\u3002\u5947\u602a\u7684\u662f\uff0c\u7cfb\u7edf\u751f\u6210\u4e86\u4e24\u6761\u8bed\u53e5\uff0c \u4e00\u4e2a\u662f\u63d2\u5165\u65b0\u7684Group\uff0c\u7136\u540e\u8c03\u7528\u4e86\u4e00\u4e2aSelect @@identity\uff0c\u7136\u540e\u4f7f\u7528\u4e00\u4e2aUpdate\u8bed\u53e5\u6765\u66f4\u65b0Items\u8868\uff0c\u7ed3\u679c\u751f\u6210\u7684Where\u8bed\u53e5\u662fItemID=0\u3002\u5c31\u7b97\u8fd9\u4e2a0\u662f\u4e2a\u9519\u8bef\uff0c\u90a3\u4e5f\u5e94\u8be5\u751f \u6210Insert\u8bed\u53e5\u554a\uff0c\u4e3a\u4ec0\u4e48\u662fUpdate\u5462\uff1f\u60f3\u4e86\u4e00\u4e0b\uff0c\u603b\u7b97\u662f\u77e5\u9053\u8fd9\u4e2a0\u662f\u4ec0\u4e48\u610f\u601d\u4e86\uff0c\u524d\u9762\u7684\u90a3\u4e2aSelect @@identity\u5bf9\u4e8eAccess\u65e0\u6548\uff0c\u6ca1\u6709\u8fd4\u56de\u90a3\u4e2a\u521a\u521a\u63d2\u5165\u7684id\uff0c\u6240\u4ee5\u5c31\u6210\u4e860\u3002<\/p>\n

\u8fd9\u4e2a\u95ee\u9898\u6050\u6015\u4e0d\u662f\u6211\u80fd\u89e3\u51b3\u7684\u4e86\uff0c\u6ca1\u6709\u4e86\u8fd9\u4e2a\u529f\u80fd\uff0c\u4f7f\u7528NHibernate\u8fd8\u6709\u4ec0\u4e48\u610f\u4e49\uff1f\u5982\u679c\u65e0\u6cd5\u63d0\u53d6\u5173\u8054\u5bf9\u8c61\uff0c\u8fd8\u8981\u81ea\u5df1\u8d1f\u8d23\u7ef4\u62a4\u8fd9\u4e2a\u5173\u7cfb\u7684\u8bdd\uff0c\u6050 \u6015\u8fd8\u8981\u51fa\u73b0\u4e00\u4e9b\u6761\u4ef6\u8bed\u53e5\u5728\u7cfb\u7edf\u91cc\uff0c\u90a3\u5c31\u771f\u7684\u4e0d\u5982\u4e0d\u7528\u4e86\u3002<\/p>\n

\u7b49\u4f1a\u8bd5\u4e00\u4e0b\u7528Sql Server\u662f\u4e0d\u662f\u6ca1\u6709\u8fd9\u4e2a\u95ee\u9898\uff0c\u8fd8\u6709\u518d\u8bd5\u4e00\u4e0b\u63d0\u53d6\u5bf9\u8c61\u662f\u5426\u80fd\u591f\u81ea\u52a8\u5173\u8054\u8d77\u6765\u3002<\/p>\n

\u9047\u5230\u4e86\u4f20\u8bf4\u4e2d\u7684\u4eba\u54c1\u95ee\u9898\u3002<\/span><\/p>\n

\u4eca \u5929\u7ec8\u4e8e\u641e\u5b9a\u4e86NHibernate\u7684\u4e00\u5bf9\u591a\u95ee\u9898\uff0c\u4e0d\u77e5\u9053\u662f\u56e0\u4e3a\u5b83\u7684\u7248\u672c\u5347\u7ea7\u4e86\u8fd8\u662f\u771f\u7684\u6211\u7684\u4eba\u54c1\u95ee\u9898\uff0c\u53cd\u6b63\u6309\u7167\u7f51\u4e0a\u770b\u6765\u7684\u4ee3\u7801\u6ca1\u6709\u4e00\u4e2a\u53ef\u4ee5\u6b63\u786e\u6267\u884c\u7684\u3002\u6700\u7ec8 \u53d1\u73b0\u8fd8\u9700\u8981\u591a\u4e00\u6b65\u64cd\u4f5c\uff0c\u5c31\u662f\u5bf9\u4e8e\u6bcf\u4e2aItem\u90fd\u9700\u8981\u4e00\u6b65Session.Save\uff0c\u800c\u4e0d\u662f\u50cf\u7f51\u4e0a\u6240\u8bf4\u7684\u90a3\u6837\u53ea\u8981Save(Group)\u5c31\u53ef\u4ee5\u81ea\u52a8Save Item\u3002<\/span><\/p>\n

\u5b8c\u6574\u7684\u5de5\u4f5c\u6d41\u7a0b\uff1a\u5efa\u7acb Configuration\uff0cLoad XML\u6587\u4ef6\uff08\u6216\u8005AddAssembly\uff09\uff0c\u751f\u6210SessionFacto<\/a>ry\uff0c \u751f\u6210Session\uff0c\u751f\u6210Transaction\uff0c\u65b0\u5efaGroup\uff0c\u8bbe\u5b9a\u5c5e\u6027\uff0cSession.Save(Group)\uff0c\uff08\u6216\u8005Load Group\uff09\uff0c\u65b0\u5efaItem\uff0c\u8bbe\u5b9a\u5c5e\u6027\uff0c\u7279\u522b\u8981\u6307\u5b9a\u5b83\u7684Group\u5c5e\u6027\uff0c\u8ddf\u7ec4\u5bf9\u5e94\u8d77\u6765\uff0cSession.Save(Item)\uff0c\u5982\u679c\u6709\u591a\u4e2aItem\uff0c\u91cd\u590d \u8fd9\u4e2a\u8fc7\u7a0b\uff0c\u7136\u540eTransaction.Commit\uff0c\u6570\u636e\u5c31\u5df2\u7ecf\u4fdd\u5b58\u8fdb\u6570\u636e\u5e93\u4e86\uff0cSession.Close\u3002<\/span><\/p>\n

\u8bfb \u53d6\u7684\u8fc7\u7a0b\uff1a\u524d\u9762\u76f8\u540c\uff0c\u751f\u6210Session\u4ee5\u540e\uff08Factory.OpenSession\uff09\uff0cGroup g=(Group)Session.Load(typeof(Group),GroupID)\uff0c\u8fd9\u6837\u5c31\u5f97\u5230\u4e86\u8fd9\u4e2aID\u6240\u5bf9\u5e94\u7684Group\u5bf9\u8c61\uff0c\u5b83\u7684 Items\u5c5e\u6027\u91cc\u5305\u542b\u4e86\u6240\u6709\u7684\u4e0b\u7ea7Item\uff0c\u76ee\u524d\u6211\u7528\u7684\u662fHashedSet\u6765\u4fdd\u5b58\u7684\uff0c\u6240\u4ee5\u53ef\u4ee5\u4f7f\u7528foreach(Item it in g.Items)\uff0c\u7136\u540e\u5c31\u53ef\u4ee5\u4f7f\u7528\u6240\u6709\u7684it\u7684\u5c5e\u6027\u4e86\u3002<\/span><\/p>\n

\u5728Sql Server\u91cc\u8c03\u8bd5\u6210\u529f\u4ee5\u540e\uff0c\u5207\u6362\u5230Access\u6570\u636e\u5e93\uff0c\u5c45\u7136\u53d1\u73b0\u4e00\u5207\u95ee\u9898\u90fd\u4e0d\u5b58\u5728\u4e86\uff0c\u5b8c\u5168\u8ddfSql Server\u7b49\u6548\uff0c\u96be\u9053\u90a3\u4e2aSelect @@identity\u5bf9\u4e8eAccess\u4e5f\u540c\u6837\u6709\u6548\uff1f\u6709\u5f85\u67e5\u8bc1\u3002\u4e0d\u8fc7\u65e2\u7136\u8fc7\u4e86\u8fd9\u4e00\u5173\uff0c\u5269\u4e0b\u7684\u95ee\u9898\u5c31\u90fd\u5f88\u7b80\u5355\u4e86\uff0c\u53ea\u4e0d\u8fc7\u5b57\u6bb5\u591a\u4e00\u4e9b\u800c\u5df2\u3002\u4f46\u662f\u6839\u636e\u5b83\u7684\u8fd9\u4e2a\u751f\u6210 \u5bf9\u8c61\u7684\u65b9\u5f0f\u6765\u770b\u7684\u8bdd\uff0c\u5982\u679c\u6709\u4e09\u4e2a\u4ee5\u4e0a\u7684\u8868\u4f7f\u7528\u7ea7\u8054\u7684\u4e00\u5bf9\u591a\u5173\u7cfb\uff0c\u6bd4\u5982\u4e00\u7ea7\u5206\u7c7b\uff0c\u4e8c\u7ea7\u5206\u7c7b\uff0c\u4e09\u7ea7\u5206\u7c7b\uff0c\u7136\u540e\u624d\u662fItem\uff0c\u90a3\u4e48\u5728\u8c03\u7528\u751f\u6210\u4e00\u7ea7\u5206\u7c7b\u5bf9\u8c61\u7684\u65f6 \u5019\uff0c\u5b83\u5e94\u8be5\u662f\u4f1a\u641c\u7d22\u6240\u6709\u7684\u6570\u636e\u8868\uff0c\u751f\u6210\u6240\u6709\u7684\u7ea7\u8054\u5bf9\u8c61\u7684\uff0c\u8fd9\u662f\u4e2a\u5f88\u4e25\u91cd\u7684\u6d6a\u8d39\uff0c\u800c\u4e14\u5982\u679c\u8981\u662f\u7528\u5728\u8bba\u575b\u91cc\u9762\uff0c\u8981\u60f3\u663e\u793a\u9996\u9875\u6240\u6709\u7684\u677f\u5757\uff0c\u90a3\u4e48\u5b83\u5c31\u4f1a\u540c\u65f6\u5728\u6570\u636e \u5e93\u91cc\u63d0\u53d6\u51fa\u6240\u6709\u7684\u5e16\u5b50\uff0c\u8fd9\u4e2a\u597d\u50cf\u4e0d\u592a\u73b0\u5b9e\uff0c\u7ee7\u7eed\u7814\u7a76\u4e2d\u2026\u2026<\/span><\/p>\n

1.\u6d4b\u8bd5\u4e86\u4e24\u7ea7\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\uff0c\u5199\u5165\u6570\u636e\u7684\u786e\u53d8\u7684\u76f8\u5f53\u65b9\u4fbf\u4e86\uff0c\u7701\u5374\u4e86\u5927\u91cf\u91cd\u590d\u7684SQL\u4ee3\u7801\u7684\u5de5\u4f5c\u3002\u4f46\u662f\u5f53\u4f7f\u7528Session.Load\u52a0\u4e00\u4e2a\u7236\u5bf9\u8c61\u7684 \u65f6\u5019\uff0c\u5b83\u7684\u5b50\u5bf9\u8c61\uff0c\u4ee5\u53ca\u8fd9\u4e2a\u5b50\u5bf9\u8c61\u7684\u6240\u6709\u5b50\u5bf9\u8c61\u90fd\u4f1a\u88ab\u52a0\u8f7d\uff0c\u5bf9\u4e8e\u6570\u636e\u5e93\u6216\u8005\u7f51\u7edc\u90fd\u662f\u4e2a\u95ee\u9898\u3002<\/p>\n

\u89e3 \u51b3\u65b9\u6848\uff1a\u7ed9\u8fd9\u4e2a\u4e00\u5bf9\u591a\u7684\u5173\u7cfb\u5728\u914d\u7f6e\u6587\u4ef6hbm.xml\u7684set\u6bb5\u52a0\u4e0a\u4e00\u4e2a\u5c5e\u6027\uff0clazy=”true”\uff0c\u8fd9\u6837\u5c31\u53d8\u6210\u5ef6\u8fdf\u8f7d\u5165\uff0c\u8c03\u5165\u7236\u5bf9\u8c61\u7684\u65f6\u5019\u4e0d\u4f1a\u81ea\u52a8\u52a0 \u8f7d\u5b83\u7684\u5b50\u96c6\uff0c\u53ea\u6709\u5f53\u4f60\u8981\u4f7f\u7528\u8fd9\u4e2a\u5b50\u96c6\u7684\u65f6\u5019\uff08foreach)\uff0c\u624d\u4f1a\u53ca\u65f6\u751f\u6210\u8fd9\u4e2a\u5b50\u96c6\uff0c\u8fd9\u6837\u5c31\u907f\u514d\u4e86\u6d6a\u8d39\u65e0\u7528\u7684\u67e5\u8be2\u65f6\u95f4\u3002\u4f46\u662f\u8fd9\u6837\u6709\u4e00\u4e2a\u8981\u6c42\uff0c\u5c31\u662f session\u5fc5\u987b\u4fdd\u6301\u6d3b\u52a8\uff0c\u4e0d\u80fd\u88abClose\uff0c\u5426\u5219\u5c31\u65e0\u6cd5\u518d\u53bb\u8c03\u5165\u65b0\u7684\u67e5\u8be2\u5185\u5bb9\u4e86\u3002<\/p>\n

2.\u8c03\u5165\u7236\u5bf9\u8c61\u7684\u65f6\u5019\uff0c\u5b50\u5bf9\u8c61\u81ea\u52a8\u8c03\u5165\uff0c\u5982\u679c\u7528foreach\u6765\u67e5\u8be2\u5b50\u5bf9\u8c61\uff0c\u90a3\u4e48\u8f93\u51fa\u7684\u987a\u5e8f\u662f\u4e0d\u56fa\u5b9a\u7684\uff0c\u65e0\u8bba\u5728\u7236\u7c7b\u4e2d\u4f7f\u7528ListSet\u8fd8\u662f HashedSet\uff0c\u7ed3\u679c\u90fd\u662f\u4e0d\u56fa\u5b9a\u7684\u3002<\/p>\n

\u89e3 \u51b3\u65b9\u6848\uff1a\u8fd8\u6ca1\u6709\u770b\u5230\u771f\u6b63\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u7684\u65b9\u6cd5\uff0c\u53ea\u80fd\u624b\u52a8\u52a0\u8f7d\u5b50\u7c7b\uff0c\u4f7f\u7528Session.Find\u52a0HQL\u8bed\u8a00\uff0c\u53ef\u4ee5\u8fbe\u5230\u4efb\u610f\u63a7\u5236\u6743\u9650\u3002\u5728\u4e00\u7bc7\u6587\u7ae0\u91cc\u770b\u5230\u4f7f\u7528 list\u4ee3\u66ffset\uff0c\u7136\u540e\u5728list\u7684\u91cc\u9762\u53ef\u4ee5\u6dfb\u52a0\u4e00\u4e2aindex\u5c5e\u6027\uff0c\u6807\u660e\u6392\u5e8f\u7684\u5b57\u6bb5\uff0c\u5b9e\u4f53\u7c7b\u91cc\u9762\u4f7f\u7528IList\uff0c\u4f46\u662f\u6211\u6ca1\u6709\u6210\u529f\u3002\u56de\u5934\u518d\u8bd5\u3002<\/p>\n

\u5728\u4f7f\u7528\u7ea7\u8054\u5220\u9664\u7684\u65f6\u5019\uff0c\u52a0\u8f7d\u4e00\u4e2aGroup\uff0cSession.Delete(Group)\uff0c\u7136\u540e\u67e5\u770b\u6267\u884c\u7684Sql\u8bed\u53e5\uff0c\u5728Items\u8868\u91cc\u5c45\u7136\u6bcf\u4e00\u884c Item\u6267\u884c\u4e86\u4e00\u6b21Delete\uff0c\u4e5f\u5c31\u662f\u8bf4\u5b83\u662f\u6309\u7167Where ItemID=?\u6765\u5220\u9664\u7684\uff0c\u8fd9\u68371000\u6761\u8bb0\u5f55\u5c31\u6267\u884c\u4e861000\u6b21\uff0c\u4e3a\u4ec0\u4e48\u4e0d\u4f7f\u7528Where GroupID=?\u5462\uff0c\u53ea\u8981\u4e00\u53e5\u5c31\u641e\u5b9a\u4e86\uff0c\u800c\u4e14\u5bf9\u4e8e\u8fd9\u79cd\u5220\u9664\uff0c\u6570\u636e\u5e93\u672c\u8eab\u4e00\u822c\u90fd\u662f\u505a\u4e86\u4f18\u5316\u7684\u3002<\/li>\n<\/ol>\n

4.\u7a81\u7136\u60f3\u4e0d\u8d77\u6765\u4e86\uff0c\u5360\u4f4d\uff0c\u60f3\u8d77\u6765\u518d\u8865\u3002<\/p>","protected":false},"excerpt":{"rendered":"

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