SqlHelper简单实现(通过Expression和反射)10.使用方式

时间:2023-03-10 06:07:42
SqlHelper简单实现(通过Expression和反射)10.使用方式

以下是整个SqlHelper的Demo:

         public Result<List<ArticleDTO>> GetIndexArticleList(int count, int userID)
{
var exp = DbUtilityFactory.GetDbUtility().GetSqlExpression<ArticleEntity>();
exp.Where(a => a.userID == userID);
exp.OrderByDescending(a=>a.articleDate);
var data = DbUtilityFactory.GetDbUtility().Paged<ArticleEntity>(a=>a.articleDate,,);
if(data.Any())
{
return new Result<List<ArticleDTO>>()
{
IsSuccess = true,
ReturnMessage = "成功",
ReturnValue = data.Select<ArticleEntity, ArticleDTO>(a => new ArticleDTO()
{
articleAbstract = a.articleAbstract,
articleDate = a.articleDate,
articleID = a.articleID,
articleTitle = a.articleTitle
}).ToList()
};
}else
{
return new Result<List<ArticleDTO>>()
{
IsSuccess = false,
ReturnMessage = "没有记录"
};
}
}

比如在运行到第5行exp.OrderByDescending(a=>a.articleDate)时:

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k3mjY3uYS71j6O1tDzyxU+V+EzrvP6w6edIq7PYvmwHx6xMeQaM2DXQMrv67Kb5fbdsuC9Ct5xndcfvNnWUTOO544W1aptBsyKFER/K4jSI9Y6eTSJDJvUnGWCDYqd0Oq99rxt1hscY20Bm1s2R9zok/KGjSFTLnEQA48V3K3UceCkefosGosVG18cikvQLI7S5leSIK1WVqsVXSBKHdXXjKxJw22TJXZhaAXND67Ca6pzKeDaub1KVks4CId2Y5vBEn9ULb3R4dWTda32YWPY5L3UaGqtzaMyR0RTX++1Wlmt1gqjaXuTS7Rr9ePi6Z9VrvBJihQ+9eG2ljrPuJFMKh80NK9oaciVO+F5jNZAym6me6b1uJFjgndKH5ZbWa3WWgIhK3IDwRvXNajGO1a/heLGBFGhwhNbWa3WigZkWuQ2gug6v5MHx35kWEvdEtS51Amt3usZSGa962OntQVs7o054jBCk+3SMT4tJZ502yMcLqfny6SHMTIo5rfYQtY+CJPBds1YGJ3U8k3etFbWu+u1K1pj72Tn3/0Oh/LpLRa56FX4DXWuZ7UqmavaGkg4CId2pfruHLOPqqU3Orxxd13vheqwyYpqViv5SjSJplY0bW9yiYqpftxq4rRyhc9jB+GznfBpnpOuWayYI64Puf4ccXkgxYmt5kwfNVLwCt64yJUGb1zX9KtSEL28+i2UJ4gEUVzkeoOor5Mvp0NeZHGEpUcqdUk9R9xYm1Y6r3CMSqMF7CcDNveWd00MqjIeB3FWoTlmCuWNozqNlaDtt3T/8ZgnJAr5juHHQSMLS9C8QbcKTzypPd312hUtH/rlne+DvHmiooRPUs3V1bk0Aosjs34+hcNVOIz3q46VSrDE1a6W3ujw6skKi09Uhk2p+Prnokk0/eHJJSqm+nHXOry7XOFzFT6jvTYQPlFFk/p1zWLDr7MdykNuXo44HUj1jgr6o9wLglfwPvfaQPCGRSVflJeiL69+61URRIJoM0HU18npyCpVMv2mNQ3Vc8Tl3ms0v1G3aAMB+8mAzb3vfcTPM/v8dHQqWpWvuJ2dRxc9f5AZl5Z2Y3m8ZVV4bpr8lJAG5vgXs+THpPF3EwduZ3e9dkW7V208/4br3HGvF8vPan7vzLXWuXD7XrhRaZ5O4SAcgirGh20FS63apdIbHV49Wb19WD6Dokk0Dau288mlXHBeemnDF8oVPsKnVvO1hk8+DY7Gbc8s9jx4dFtVHHLlThgctWuSra8yp90tR50w/Ezw9hG8H6hz52LvHavfdqsFkSDaThC1OjmrUHL2xxnk4JgTcsR9vVdsfqm4qAwB+4WAzb0vRzyo1f2LMCCG1exOixfHaTCPhCcvr+uj30cGdRo3Mt8lW5E+HY/HiSe1s7tevKIVWl64+hR6KVsVZM1Pt1xNnUtnPT1WdZO++icHEw47C4f6YRvBUqh2vfRWh9dOVrMPS8NGNIXdIppqw+HvTi7tgqPS4w1fKFf4jDYWPnF3ri98wq/HE1X/l0HDCkOu3An5/f7w6MOBVLrRbdyct3o7KVjwCt7hluupc/di7x2r32ark4IFkSAabrmeOnd2ctye6p1nfXVZ7YRmwDYnXrNe1Mh1BGxuqRxxeUgNvqjF3uV0mHBS80ZFSfIwcR79HDA4Zng2y3Ucnrv45u9+rGkNfOze7q6uK1p+C5pWZdj4rFvLTY4Gff5rx/3DZ03XUufyOia/OJS+HRdTb6Bw+NlpOFQOG301akehv8qlX5sdXj5Z7RxxOGxEk2gyuZRPQy2GW/WZXq7wET5/IHySr4Nz1JjF6qOmOOQad8hhJno8kIJjZB+VRp7gFbx/IHh7F3vvWP0KIkG09SDq7OTgxisaVuXBU6p/sRNaAVu71TXrFeu4goDNLZYj/qxS94bZ/PznkUn594WMfmri75ket+8rWDiQWLTDPzFsRFM/0cSI8OknfP6inrO68JBbaiAJ3n6Cl5Ag6ieI+DoB2++DAbuyHHH+s2PkhVPytWvhczC9vY18x/JjSzgIh4UsOpl9YtiIpokFiyaehM/EgoXPX9MxnhYecktNsoJ3YsGClzFBNLFgQcQ3CdiJBX8oYPeVIy4+GP5ut3Y9H6N/60nlG1p/oTL3kMJBOLxq2OEv+8iwEU3dRBNjwqeb8Pmb2gNq4SG32CQreLsJXmKCqJsg4vsEbLfPBuzKcsTv9blzGrwgxp9y/HHn48bmTuHwZ72zwz8zbERToyTRRJnwaZQkfP665oh6dci9bSAJ3kZJgpcWQdQoSRCxJgK2UdK3AnZXOeIPPhmendVNjX72QDj8XW/scK8uC4kmmE34sLDWg0kvDzkD6UbwwosEEWzIXgJ2VzliAAAAAAAScsQAwC78+/fv21UAAABYIzliAGAX5IgBAABCcsQAwC7IEQMAAITkiAGAXZAjBgAACMkRAwC7IEcMAAAQ2kiO+HI6/PwcTpfvlD7PFutMpx2e3B02mW3Z4RDdYZNnu/fVXnLEOxwbO2zyG+lNlrPD0bTFJm+xzgC8wTdzxOfjT+9kNGHT9/pEnS+nw8/A8Ty9mgv4ePUvp8NLjT0fg9LmteJ8/Pmpt+H7A/LV7vq1xRhsGJ+8h0fdbyN0VlsKRx8ca/L4zw5Z2uWVES4qP2JjUfnbpUF9w9N2H0WH0+X2/4otTW80iyH53KZrfHYcp2gQ9P/+/RMOH7GxcPic905Sr1QqKfBWzRcr0Zrg+oKxu0OWutr0HDvds3DVbH5ndv6M/V6O3lbnL1ymqpa8SgTHbYboOm7eARbxsRxxsBpZ/Vz7hTqPp6LF5pnqErW4w5wujybf7il79jm+d1xwuiYfNToJo2N8e/E3q2FbjMHpKou/37b3Lvci4dBIDzRl/JcPl+/x2ggXlR+wuai89WmYJQgOO9i8niNOv60Gza2QnvHZc5yC2+F/a/Tv3z/h8AGbC4fPeeskNcejvHHn/dZ0bpd2TXBdwdjdIUtdbbqP/dyxcDl9fFMswuXoA3ZzOfpgnZe8TE2+RX2lPlPWEvHFuvQLemsrgM34VI64sUZq+cpc+/E6P+aY+8RSfMxrshfbMkXa7uf8Wiv8udXMxsa3OFmHTjnYY5/7UYaH/u56d153bTEGX1FKYz37Ybj46+vJwjGHj012j//CbXlh0L44wkXl220xKsOsxqMho+MOqzolR9xTya7xObexoz6+54iFwzttMRw+7x2T1GTDIvLOm70K7Z3guoKxv0OWutoUW1QJujhLXM4dv1Afl6NJ9nM5+mSdF7xMLXKLuuhV4rldR5veePMO8CWffY54W3Pth+sc/cx9Pi7V7M/1YHDX0/gF/zaxH4/VP1+uileApWTH3BY8P/rmend2d20xBl/Qvv2+mTBMGn9iX9gkGv+1P4qL7ilfHOGi8s02GpXBnVkxRTEsq34HFOWIF4iambdd490e75oQDm+z0XD4uHdMUnPrUOq8edmb/gmuKxj7O2Spq82U/Z4fBXN3u/9cjt5sV5ejD9Z5ycvUEp216FUiOl7Be2/eAb5jsRzx4IL4uCwfz6U/6TicLsmzd3fDzbOFS+FphGzjTGnTNdW5+ahBUsvorv54TkqI/2Qx37tQp6Sl5eMXe7v/SYrRT7+zZtXbMQ6HvGnH43HcrtJtUPxcS9ioqKqls5N9u1BSJ6vDmsbzaL/85qHyp1r5/VVQRKGx42K6b3lrt7Tjrabef+bjvxHueRX7R/gLtQprICr7m7qdqAxqnnRJMKiSouqjYvpzxF3jc95QzO4G4xyxcNhxOPyhSSo5h1POZSUfMn3QT5ngJsyYPR2y1NUm0BF0hatWvUIuRy5HpWrnm66ozhMvU9GBmreoU9Yzi14lro/+7bor8Mww8NcsmiP+OZ7S6/3xHK9Yf47nYF0UTBalFUhw1MJlPJyBboddT507Jpm8pOexb0Wd0hKO57jUZ0GVzklaWjl+YSRkX5aSa8OWdyTgan1zq2B6V3E8p+ujeMGefpovH+JESjHTPi5i9m1boaWF7lrPeM5qnK8rR/cO5SILRZQa+1RcBdbvyydGYdb0nvFfuR2PqzhhhFcOKCpFZaHyo1xMMKjSkuq3WKPR1nE/1jU+ZyVE8vH7eB+xcBAOgyP+jUnqxRxxeODmfDV5h2Hz+oKxu0OWuto0aj3cJ8x8DhfPjQuGy1E2Svd8OYoPusL71imXqWKLqreoU9czS14lCuUXMugyxMCfs2yOeHABjWea7PfK8b3p6H4wnrduZT0PlvyiHdUqvrVdTZ3bS/DxL6FpRbJf4/MJMFiFVjsnWOZWjz86bPxLbr5H0I4Z68D7fvnS9vHsQPGc5bUYV+Pe+vKP7dWzc18bjVfHc9a79e5azXguV/lZynho/R55+F29iFZjZ9x+dwRib464Pv7b8R6eus4R3nXAaj1E5fSGbisqh5J4fP7HaFBF/xnMMFFIFIOmlXMejc+e4xRal3yfvY+4vOmgZcJhSkO3FQ5/a5KaKVgidn0XmDbB9QVjb4csdbVp1foaB92wDsdzGMnN49br43I0vaHbuhzVb81WVefeqKy3qFDtGeuZJa8So1oUtnrX5Rjg65bOEcfTzrU4b3VmTYIpMi0p3LX0W+ZoBf/1OneuqPN7mOIEnD9dkB2h0TnhoqRy/Pgo8d6jbe8L1eIc3fJs2/AM3pe72epyfNrH3R8uH0aVqp3ca1JkdHJnrutb3bWW8VzeLdu3cu/ZKKLV2Fm3383Hch49X+ymnvHffPgnfoqte4TPq1W6rajstMmoLB1jME6SExQ/f1U3JbfbNT5fyBEnsfbv3/8TDsKh2tYtT1Iz1U74xETIpAmuc27q7ZClrjbFcupBlx7wcOjpN7Pz1eVoXOf137dmW0fNeK4lKi2qVXvaembBq0SthOd2UsTA37Xwuyb6sx7p1by1psy2PTx/QJ2yrg3m2hXUuXIPUqpIvrRLNsh3GH/S6pwoR1w7/ugoHfNueZaeePeTPdZzPF8Hy938PKePMGQrj2LFxsuwykB4FBktIWbd43V011rGc3G3wSejoZuPklYRrcaWl4u1VV1fjrhWbM/4bwV8fAc2YYTPqlVlw3p1KyWKynVGZXCQZ78MQ3OQxgmCuDCURpVuzm+d47PjOIW2xTniRnHles2ohnAYF9rRUX3NyJq090lqnnqyY1qKbtIE1zc3dXfIUleb7v0KpT0HTfNMmZ2TInd+OdrMfWtc16AazRbFH81Yzyx5lagY7P3agQDWbCU54sbeQfbycGhOGs1paC11bq6/Gzninl9p4xxxuXPyVUXjV+D0q0TYtGS7dMk27UfZ/H7jcPr9VxqSH86jDMfxXHygIfqJ+/lp8JN0db0bfDnxl+ee7lrLeE40br+HHyWNaxXx6u13ZfBWGjQrR5wdr1HM+A5szgifUatsO1HZ18oNRmVwlMP9Wat7ac8TFAyv6q1RlCOu16drfM45Q9GpDnPEwmHH4fCXJqkwMdaRw6hObc2JcdLm6QTXNzd1d8hSV5viftWgC4pp973Z+bGDy9F27lvjuqZfPdcPjYRw8NGM9cySV4lmMYfT5dUDAazZSnLEjRxH8Atgx9IrWqgm1VxLnUsr6toP63kON3u+pSNHXO6cqcePvxqs0sYbx0mGdg4uLm98Ti+nQ30VfbtNOR4L3ZDXYfhx0MjC2SmdianLip7uWst4bhRaPsfDnmwV0b79LpVTLL/jzPTmiBvjv3L3eN9lHKqTR/j0Wl1F5V6iMmrHb7cPyrrXIz1tg3JL9ZqbI26Mz6VzxMJBOJQK3e4kNTdHXA2vqUN+ygTXNzd1d8hSV5tAR9BlH/eEkNn56nI02msD961hUckXt3KaLYqPNWM9s+RVotzPw/Y0b94BNmslOeLhj9TB18G0Pr4qR+VnC9XR8nQ1dS7mhe6fhTPc6EGMfE1Vzeo2OqfclPj4lU4btSUuPemTKXPruGefPz6PS0urW16KZ1V4bhr3ePXsjOpXe+6krK+7VjOe80LjoThOPiXNbBTRXoOVltF1NrkAAAQkSURBVIHx4O07Me3h2Tf+C8XdPw0e4Jk+wqfXSlTuJSrjGseBegwO0Bhvaeh1JDG6xuf0ZEhel+s1fh+xcNhzOPytSWqm2qiePOInTHBT5qaODlnqalNsUzXoxl91dZnZ2eWoVvO13rd2R2WrRbVqT1rPLHmVuO9WiIF0XFdu3gG2ai054sF1fOi2/XjncNtg2hqsaaIt11PnwtfjZ7oKX5Z+lM/XbPEyNKpSvmyoH79SUFJY5dZqeOTuJwaKq49gsRGua/O6Fs7UsE7tkzs+O8P+jZIuVZ3dtZ7xnP/QHm4YH+NRRrWIcmNL5y9tSXWTxpmYliNOyozSxPVKvDDCJ9ZKVP7tqKy4d0f0dFh0gMYtVk8LkuP2RU37OMWmDTeIcsRBccLhb4fDn52kpsrLGp/FF36daTegL/b7O2Spq01/g4JBPylva3Yebbzzy9F27lt7o7LRokK1p69nlrxK1I5WWicVNwHYoM/miJPLZv5Jcq3NnjQo/qQ92nqU0cyO2f+Ux+fqnH9dfLRkPI896pB8lM23QXWqnZNs33v8eq8Ovqj1fFzTknwpGD0/ED5TEP/mfM2n/HyTxsnNWvY84uH2p9uTVhCd3bWe8VyJwdsDK4VFZjUm8h9Nyj9SRPI7oNK3E7ow0zP+i/UojsZZI3xirUTl347Kmtte0TM7xa5u3KoFp78ckp1R0zxOIEt2/Pv3TzgIhz87SU3VzBEXB2GH9gQ3Ycbs7JClrjatxpS7ZJSUa3E5cjna7H1rb1RWWlQquaf0ekGV+nSuJfpivnXzDrBBi+WI2bXpa7j3FfxMVw/k66pJT3osaeL9A/s2f4R/j6hkPcaJjX///n2hAsKBbZr4mCq/XbaSuTjncgQANMgRs4Dll3DlPwVq/j78rSpPKbjyV6wLthEWJSpF5RalWa7FcsTCQTj8eTLEW+Fy5HIEAAuRI+Z1b3iE8c1rwVf+evIlt3Y9/2bMepfNEJWicpvuZ/VwumwmRywc+K77X1DLEG+By5HLEQAsRI6Y1636L+sin1vuhi+9cssFGVHJGz2G18ffNTGPcOC7vvZqAdbH5QgAdkSOmB364B/NZQtet1wQEZV8wkZyxMIBWAmXIwDYETliAGAXNpIjBgAA+DQ5YgAAAACA/ZIjBgAAAADYLzliAAAAAID9kiMGAAAAANgvOWIAAAAAgP2SIwYAAAAA2C85YgAAAACA/ZIjBgAAAADYLzliAAAAAID9kiMGAAAAANgvOWIAAAAAgP2SIwYAAAAA2C85YgAAAACA/ZIjBgAAAADYLzliAAAAAID9kiMGAAAAANgvOWIAAAAAgP2SIwYAAAAA2C85YgAAAACA/ZIjBgAAAADYLzliAAAAAID9kiMGAAAAANgvOWIAAAAAgP2SIwYAAAAA2K9Kjvj/A6uYBFUnSaH+AAAAAElFTkSuQmCC" alt="" />

这里就是实现了Lambda到sql的转换。

完整Demo地址:https://github.com/Racpheal/Construction.git