{"id":309000,"date":"2024-01-20T19:59:29","date_gmt":"2024-01-20T11:59:29","guid":{"rendered":"https:\/\/www.idc.net\/help\/309000\/"},"modified":"2024-01-20T19:59:29","modified_gmt":"2024-01-20T11:59:29","slug":"sql%e6%b3%a8%e5%85%a5","status":"publish","type":"post","link":"https:\/\/idc.net\/help\/309000\/","title":{"rendered":"SQL\u6ce8\u5165"},"content":{"rendered":"

SQL \u6ce8\u5165\u662f\u4e00\u79cd\u653b\u51fb\u65b9\u5f0f\uff0c\u5728\u8fd9\u79cd\u653b\u51fb\u65b9\u5f0f\u4e2d\uff0c\u6076\u610f\u4ee3\u7801\u88ab\u63d2\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\uff0c\u7136\u540e\u5c06\u8be5\u5b57\u7b26\u4e32\u4f20\u9012\u5230 SQL Server \u7684\u5b9e\u4f8b\u4ee5\u8fdb\u884c\u5206\u6790\u548c\u6267\u884c\u3002\u4efb\u4f55\u6784\u6210 SQL \u8bed\u53e5\u7684\u8fc7\u7a0b\u90fd\u5e94\u8fdb\u884c\u6ce8\u5165\u6f0f\u6d1e\u68c0\u67e5\uff0c\u56e0\u4e3a SQL Server \u5c06\u6267\u884c\u5176\u63a5\u6536\u5230\u7684\u6240\u6709\u8bed\u6cd5\u6709\u6548\u7684\u67e5\u8be2\u3002\u4e00\u4e2a\u6709\u7ecf\u9a8c\u7684\u3001\u575a\u5b9a\u7684\u653b\u51fb\u8005\u751a\u81f3\u53ef\u4ee5\u64cd\u4f5c\u53c2\u6570\u5316\u6570\u636e\u3002<\/p>\n

SQL \u6ce8\u5165\u7684\u4e3b\u8981\u5f62\u5f0f\u5305\u62ec\u76f4\u63a5\u5c06\u4ee3\u7801\u63d2\u5165\u5230\u4e0e SQL \u547d\u4ee4\u4e32\u8054\u5728\u4e00\u8d77\u5e76\u4f7f\u5176\u5f97\u4ee5\u6267\u884c\u7684\u7528\u6237\u8f93\u5165\u53d8\u91cf\u3002\u4e00\u79cd\u95f4\u63a5\u7684\u653b\u51fb\u4f1a\u5c06\u6076\u610f\u4ee3\u7801\u6ce8\u5165\u8981\u5728\u8868\u4e2d\u5b58\u50a8\u6216\u4f5c\u4e3a\u5143\u6570\u636e\u5b58\u50a8\u7684\u5b57\u7b26\u4e32\u3002\u5728\u5b58\u50a8\u7684\u5b57\u7b26\u4e32\u968f\u540e\u4e32\u8fde\u5230\u4e00\u4e2a\u52a8\u6001 SQL \u547d\u4ee4\u4e2d\u65f6\uff0c\u5c06\u6267\u884c\u8be5\u6076\u610f\u4ee3\u7801\u3002<\/p>\n

\u6ce8\u5165\u8fc7\u7a0b\u7684\u5de5\u4f5c\u65b9\u5f0f\u662f\u63d0\u524d\u7ec8\u6b62\u6587\u672c\u5b57\u7b26\u4e32\uff0c\u7136\u540e\u8ffd\u52a0\u4e00\u4e2a\u65b0\u7684\u547d\u4ee4\u3002\u7531\u4e8e\u63d2\u5165\u7684\u547d\u4ee4\u53ef\u80fd\u5728\u6267\u884c\u524d\u8ffd\u52a0\u5176\u4ed6\u5b57\u7b26\u4e32\uff0c\u56e0\u6b64\u653b\u51fb\u8005\u5c06\u7528\u6ce8\u91ca\u6807\u8bb0\u201c--\u201d\u6765\u7ec8\u6b62\u6ce8\u5165\u7684\u5b57\u7b26\u4e32\u3002\u6267\u884c\u65f6\uff0c\u6b64\u540e\u7684\u6587\u672c\u5c06\u88ab\u5ffd\u7565\u3002<\/p>\n

\u4ee5\u4e0b\u811a\u672c\u663e\u793a\u4e86\u4e00\u4e2a\u7b80\u5355\u7684 SQL \u6ce8\u5165\u3002\u6b64\u811a\u672c\u901a\u8fc7\u4e32\u8054\u786c\u7f16\u7801\u5b57\u7b26\u4e32\u548c\u7528\u6237\u8f93\u5165\u7684\u5b57\u7b26\u4e32\u800c\u751f\u6210\u4e00\u4e2a SQL \u67e5\u8be2\uff1a<\/p>\n

\n \n \n 
    \n  \n  \n  
  1. var Shipcity;  <\/span><\/span><\/li>\n  \n  \n  
  2. ShipCity = Request.form (<\/span>\"ShipCity\"<\/span>);  <\/span><\/li>\n  \n  \n  
  3. var sql = <\/span>\"select * from OrdersTable where ShipCity = '\"<\/span> + ShipCity + <\/span>\"'\"<\/span>; <\/span><\/li>\n \n \n <\/ol><\/pre>\n
    \u7528\u6237\u5c06\u88ab\u63d0\u793a\u8f93\u5165\u4e00\u4e2a\u5e02\u53bf\u540d\u79f0\u3002\u5982\u679c\u7528\u6237\u8f93\u5165 Redmond\uff0c\u5219\u67e5\u8be2\u5c06\u7531\u4e0e\u4e0b\u9762\u5185\u5bb9\u76f8\u4f3c\u7684\u811a\u672c\u7ec4\u6210\uff1a<\/p>\n
    \n \n \n 
      \n  \n  \n  
    1. SELECT<\/span> * <\/span>FROM<\/span> OrdersTable <\/span>WHERE<\/span> ShipCity = <\/span>'Redmond'<\/span> <\/span><\/span><\/li>\n \n \n <\/ol><\/pre>\n
      \u4f46\u662f\uff0c\u5047\u5b9a\u7528\u6237\u8f93\u5165\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n
      Redmond'; drop table OrdersTable--<\/p>\n
      \u6b64\u65f6\uff0c\u811a\u672c\u5c06\u7ec4\u6210\u4ee5\u4e0b\u67e5\u8be2\uff1a<\/p>\n
      \n \n \n 
        \n  \n  \n  
      1. SELECT<\/span> * <\/span>FROM<\/span> OrdersTable <\/span>WHERE<\/span> ShipCity = <\/span>'Redmond'<\/span>;<\/span>drop<\/span> <\/span>table<\/span> OrdersTable<\/span>--'<\/span> <\/span><\/span><\/li>\n \n \n <\/ol><\/pre>\n
        \u5206\u53f7 (;) \u8868\u793a\u4e00\u4e2a\u67e5\u8be2\u7684\u7ed3\u675f\u548c\u53e6\u4e00\u4e2a\u67e5\u8be2\u7684\u5f00\u59cb\u3002\u53cc\u8fde\u5b57\u7b26 (--) \u6307\u793a\u5f53\u524d\u884c\u4f59\u4e0b\u7684\u90e8\u5206\u662f\u4e00\u4e2a\u6ce8\u91ca\uff0c\u5e94\u8be5\u5ffd\u7565\u3002\u5982\u679c\u4fee\u6539\u540e\u7684\u4ee3\u7801\u8bed\u6cd5\u6b63\u786e\uff0c\u5219\u670d\u52a1\u5668\u5c06\u6267\u884c\u8be5\u4ee3\u7801\u3002SQL Server \u5904\u7406\u8be5\u8bed\u53e5\u65f6\uff0cSQL Server \u5c06\u9996\u5148\u9009\u62e9 OrdersTable \u4e2d\u7684\u6240\u6709\u8bb0\u5f55\uff08\u5176\u4e2d ShipCity \u4e3a Redmond\uff09\u3002\u7136\u540e\uff0cSQL Server \u5c06\u5220\u9664 OrdersTable\u3002<\/p>\n
        \u53ea\u8981\u6ce8\u5165\u7684 SQL \u4ee3\u7801\u8bed\u6cd5\u6b63\u786e\uff0c\u4fbf\u65e0\u6cd5\u91c7\u7528\u7f16\u7a0b\u65b9\u5f0f\u6765\u68c0\u6d4b\u7be1\u6539\u3002\u56e0\u6b64\uff0c\u5fc5\u987b\u9a8c\u8bc1\u6240\u6709\u7528\u6237\u8f93\u5165\uff0c\u5e76\u4ed4\u7ec6\u68c0\u67e5\u5728\u60a8\u6240\u7528\u7684\u670d\u52a1\u5668\u4e2d\u6267\u884c\u6784\u9020 SQL \u547d\u4ee4\u7684\u4ee3\u7801\u3002\u672c\u4e3b\u9898\u4e2d\u7684\u4ee5\u4e0b\u5404\u90e8\u5206\u8bf4\u660e\u4e86\u7f16\u5199\u4ee3\u7801\u7684\u6700\u4f73\u505a\u6cd5\u3002<\/p>\n
        \u9a8c\u8bc1\u6240\u6709\u8f93\u5165<\/p>\n
        \u59cb\u7ec8\u901a\u8fc7\u6d4b\u8bd5\u7c7b\u578b\u3001\u957f\u5ea6\u3001\u683c\u5f0f\u548c\u8303\u56f4\u6765\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u3002\u5b9e\u73b0\u5bf9\u6076\u610f\u8f93\u5165\u7684\u9884\u9632\u65f6\uff0c\u8bf7\u6ce8\u610f\u5e94\u7528\u7a0b\u5e8f\u7684\u4f53\u7cfb\u7ed3\u6784\u548c\u90e8\u7f72\u65b9\u6848\u3002\u8bf7\u6ce8\u610f\uff0c\u8bbe\u8ba1\u4e3a\u5728\u5b89\u5168\u73af\u5883\u4e2d\u8fd0\u884c\u7684\u7a0b\u5e8f\u53ef\u80fd\u4f1a\u88ab\u590d\u5236\u5230\u4e0d\u5b89\u5168\u7684\u73af\u5883\u4e2d\u3002\u4ee5\u4e0b\u5efa\u8bae\u5e94\u88ab\u89c6\u4e3a\u6700\u4f73\u505a\u6cd5\uff1a<\/p>\n
        \u5bf9\u5e94\u7528\u7a0b\u5e8f\u63a5\u6536\u7684\u6570\u636e\u4e0d\u505a\u4efb\u4f55\u6709\u5173\u5927\u5c0f\u3001\u7c7b\u578b\u6216\u5185\u5bb9\u7684\u5047\u8bbe\u3002\u4f8b\u5982\uff0c\u60a8\u5e94\u8be5\u8fdb\u884c\u4ee5\u4e0b\u8bc4\u4f30\uff1a<\/p>\n
        \u5982\u679c\u4e00\u4e2a\u7528\u6237\u5728\u9700\u8981\u90ae\u653f\u7f16\u7801\u7684\u4f4d\u7f6e\u65e0\u610f\u4e2d\u6216\u6076\u610f\u5730\u8f93\u5165\u4e86\u4e00\u4e2a 10 MB \u7684 MPEG \u6587\u4ef6\uff0c\u5e94\u7528\u7a0b\u5e8f\u4f1a\u505a\u51fa\u4ec0\u4e48\u53cd\u5e94\uff1f<\/p>\n
        \u5982\u679c\u5728\u6587\u672c\u5b57\u6bb5\u4e2d\u5d4c\u5165\u4e86\u4e00\u4e2a DROP TABLE \u8bed\u53e5\uff0c\u5e94\u7528\u7a0b\u5e8f\u4f1a\u505a\u51fa\u4ec0\u4e48\u53cd\u5e94\uff1f<\/p>\n
        \u6d4b\u8bd5\u8f93\u5165\u7684\u5927\u5c0f\u548c\u6570\u636e\u7c7b\u578b\uff0c\u5f3a\u5236\u6267\u884c\u9002\u5f53\u7684\u9650\u5236\u3002\u8fd9\u6709\u52a9\u4e8e\u9632\u6b62\u6709\u610f\u9020\u6210\u7684\u7f13\u51b2\u533a\u6ea2\u51fa\u3002<\/p>\n
        \u6d4b\u8bd5\u5b57\u7b26\u4e32\u53d8\u91cf\u7684\u5185\u5bb9\uff0c\u53ea\u63a5\u53d7\u6240\u9700\u7684\u503c\u3002\u62d2\u7edd\u5305\u542b\u4e8c\u8fdb\u5236\u6570\u636e\u3001\u8f6c\u4e49\u5e8f\u5217\u548c\u6ce8\u91ca\u5b57\u7b26\u7684\u8f93\u5165\u5185\u5bb9\u3002\u8fd9\u6709\u52a9\u4e8e\u9632\u6b62\u811a\u672c\u6ce8\u5165\uff0c\u9632\u6b62\u67d0\u4e9b\u7f13\u51b2\u533a\u6ea2\u51fa\u653b\u51fb\u3002<\/p>\n
        \u4f7f\u7528 XML \u6587\u6863\u65f6\uff0c\u6839\u636e\u6570\u636e\u7684\u67b6\u6784\u5bf9\u8f93\u5165\u7684\u6240\u6709\u6570\u636e\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n
        \u7edd\u4e0d\u76f4\u63a5\u4f7f\u7528\u7528\u6237\u8f93\u5165\u5185\u5bb9\u6765\u751f\u6210 Transact-SQL \u8bed\u53e5\u3002<\/p>\n
        \u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\u6765\u9a8c\u8bc1\u7528\u6237\u8f93\u5165\u3002<\/p>\n
        \u5728\u591a\u5c42\u73af\u5883\u4e2d\uff0c\u6240\u6709\u6570\u636e\u90fd\u5e94\u8be5\u5728\u9a8c\u8bc1\u4e4b\u540e\u624d\u5141\u8bb8\u8fdb\u5165\u53ef\u4fe1\u533a\u57df\u3002\u672a\u901a\u8fc7\u9a8c\u8bc1\u8fc7\u7a0b\u7684\u6570\u636e\u5e94\u88ab\u62d2\u7edd\uff0c\u5e76\u5411\u524d\u4e00\u5c42\u8fd4\u56de\u4e00\u4e2a\u9519\u8bef\u3002<\/p>\n
        \u5b9e\u73b0\u591a\u5c42\u9a8c\u8bc1\u3002\u5bf9\u65e0\u76ee\u7684\u7684\u6076\u610f\u7528\u6237\u91c7\u53d6\u7684\u9884\u9632\u63aa\u65bd\u5bf9\u575a\u5b9a\u7684\u653b\u51fb\u8005\u53ef\u80fd\u65e0\u6548\u3002\u66f4\u597d\u7684\u505a\u6cd5\u662f\u5728\u7528\u6237\u754c\u9762\u548c\u6240\u6709\u8de8\u4fe1\u4efb\u8fb9\u754c\u7684\u540e\u7eed\u70b9\u4e0a\u9a8c\u8bc1\u8f93\u5165\u3002<\/p>\n
        \u4f8b\u5982\uff0c\u5728\u5ba2\u6237\u7aef\u5e94\u7528\u7a0b\u5e8f\u4e2d\u9a8c\u8bc1\u6570\u636e\u53ef\u4ee5\u9632\u6b62\u7b80\u5355\u7684\u811a\u672c\u6ce8\u5165\u3002\u4f46\u662f\uff0c\u5982\u679c\u4e0b\u4e00\u5c42\u8ba4\u4e3a\u5176\u8f93\u5165\u5df2\u901a\u8fc7\u9a8c\u8bc1\uff0c\u5219\u4efb\u4f55\u53ef\u4ee5\u7ed5\u8fc7\u5ba2\u6237\u7aef\u7684\u6076\u610f\u7528\u6237\u5c31\u53ef\u4ee5\u4e0d\u53d7\u9650\u5236\u5730\u8bbf\u95ee\u7cfb\u7edf\u3002<\/p>\n
        \u7edd\u4e0d\u4e32\u8054\u672a\u9a8c\u8bc1\u7684\u7528\u6237\u8f93\u5165\u3002\u5b57\u7b26\u4e32\u4e32\u8054\u662f\u811a\u672c\u6ce8\u5165\u7684\u4e3b\u8981\u8f93\u5165\u70b9\u3002<\/p>\n
        \u5728\u53ef\u80fd\u636e\u4ee5\u6784\u9020\u6587\u4ef6\u540d\u7684\u5b57\u6bb5\u4e2d\uff0c\u4e0d\u63a5\u53d7\u4e0b\u5217\u5b57\u7b26\u4e32\uff1aAUX\u3001CLOCK$\u3001COM1 \u5230 COM8\u3001CON\u3001CONFIG$\u3001LPT1 \u5230 LPT8\u3001NUL \u4ee5\u53ca PRN\u3002<\/p>\n
        \u5982\u679c\u53ef\u80fd\uff0c\u62d2\u7edd\u5305\u542b\u4ee5\u4e0b\u5b57\u7b26\u7684\u8f93\u5165\u3002<\/p>\n
        \u8f93\u5165\u5b57\u7b26
          \u5728 Transact-SQL \u4e2d\u7684\u542b\u4e49
          
         ;
          \u67e5\u8be2\u5206\u9694\u7b26\u3002
          
         '
          \u5b57\u7b26\u6570\u636e\u5b57\u7b26\u4e32\u5206\u9694\u7b26\u3002
          
         -- 
          \u6ce8\u91ca\u5206\u9694\u7b26\u3002
          
         \/* ... *\/
          \u6ce8\u91ca\u5206\u9694\u7b26\u3002\u670d\u52a1\u5668\u4e0d\u5bf9 \/* \u548c *\/ \u4e4b\u95f4\u7684\u6ce8\u91ca\u8fdb\u884c\u5904\u7406\u3002
          
         xp_
          \u7528\u4e8e\u76ee\u5f55\u6269\u5c55\u5b58\u50a8\u8fc7\u7a0b\u7684\u540d\u79f0\u7684\u5f00\u5934\uff0c\u5982 xp_cmdshell\u3002
          <\/p>\n
        \u4f7f\u7528\u7c7b\u578b\u5b89\u5168\u7684 SQL \u53c2\u6570
         SQL Server \u4e2d\u7684 Parameters \u96c6\u5408\u63d0\u4f9b\u4e86\u7c7b\u578b\u68c0\u67e5\u548c\u957f\u5ea6\u9a8c\u8bc1\u3002\u5982\u679c\u4f7f\u7528 Parameters \u96c6\u5408\uff0c\u5219\u8f93\u5165\u5c06\u88ab\u89c6\u4e3a\u6587\u5b57\u503c\u800c\u4e0d\u662f\u53ef\u6267\u884c\u4ee3\u7801\u3002\u4f7f\u7528 Parameters \u96c6\u5408\u7684\u53e6\u4e00\u4e2a\u597d\u5904\u662f\u53ef\u4ee5\u5f3a\u5236\u6267\u884c\u7c7b\u578b\u548c\u957f\u5ea6\u68c0\u67e5\u3002\u8303\u56f4\u4ee5\u5916\u7684\u503c\u5c06\u89e6\u53d1\u5f02\u5e38\u3002\u4ee5\u4e0b\u4ee3\u7801\u6bb5\u663e\u793a\u4e86\u5982\u4f55\u4f7f\u7528 Parameters \u96c6\u5408\uff1a<\/p>\n
        \n \n \n 
          \n  \n  \n  
        1. SqlDataAdapter myCommand = <\/span>new<\/span> SqlDataAdapter(<\/span>\"AuthorLogin\"<\/span>, conn);  <\/span><\/span><\/li>\n  \n  \n  
        2. myCommand.SelectCommand.CommandType = CommandType.StoredProcedure;  <\/span><\/li>\n  \n  \n  
        3. SqlParameter parm = myCommand.SelectCommand.Parameters.Add(<\/span>\"@au_id\"<\/span>,  <\/span><\/li>\n  \n  \n  
        4.      SqlDbType.VarChar, 11);  <\/span><\/li>\n  \n  \n  
        5. parm.Value = Login.Text; <\/span><\/li>\n \n \n <\/ol><\/pre>\n
          \u5728\u6b64\u793a\u4f8b\u4e2d\uff0c@au_id \u53c2\u6570\u88ab\u89c6\u4e3a\u6587\u5b57\u503c\u800c\u4e0d\u662f\u53ef\u6267\u884c\u4ee3\u7801\u3002\u5c06\u5bf9\u6b64\u503c\u8fdb\u884c\u7c7b\u578b\u548c\u957f\u5ea6\u68c0\u67e5\u3002\u5982\u679c @au_id \u503c\u4e0d\u7b26\u5408\u6307\u5b9a\u7684\u7c7b\u578b\u548c\u957f\u5ea6\u7ea6\u675f\uff0c\u5219\u5c06\u5f15\u53d1\u5f02\u5e38\u3002<\/p>\n
          \u5728\u5b58\u50a8\u8fc7\u7a0b\u4e2d\u4f7f\u7528\u53c2\u6570\u5316\u8f93\u5165
           \u5b58\u50a8\u8fc7\u7a0b\u5982\u679c\u4f7f\u7528\u672a\u7b5b\u9009\u7684\u8f93\u5165\uff0c\u5219\u53ef\u80fd\u5bb9\u6613\u53d7 SQL Injection \u653b\u51fb\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u7801\u5bb9\u6613\u53d7\u5230\u653b\u51fb\uff1a<\/p>\n
          \n \n \n 
            \n  \n  \n  
          1. SqlDataAdapter myCommand =   <\/span><\/span><\/li>\n  \n  \n  
          2. new<\/span> SqlDataAdapter(<\/span>\"LoginStoredProcedure '\"<\/span> +   <\/span><\/li>\n  \n  \n  
          3.                                Login.Text + <\/span>\"'\"<\/span>, conn); <\/span><\/li>\n \n \n <\/ol><\/pre>\n
            \u5982\u679c\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\uff0c\u5219\u5e94\u4f7f\u7528\u53c2\u6570\u4f5c\u4e3a\u5b58\u50a8\u8fc7\u7a0b\u7684\u8f93\u5165\u3002<\/p>\n
            \u5728\u52a8\u6001 SQL \u4e2d\u4f7f\u7528\u53c2\u6570\u96c6\u5408<\/strong><\/p>\n
            \u5982\u679c\u4e0d\u80fd\u4f7f\u7528\u5b58\u50a8\u8fc7\u7a0b\uff0c\u60a8\u4ecd\u53ef\u4f7f\u7528\u53c2\u6570\uff0c\u5982\u4ee5\u4e0b\u4ee3\u7801\u793a\u4f8b\u6240\u793a\uff1a<\/p>\n
            \n \n \n 
              \n  \n  \n  
            1. SqlDataAdapter myCommand = <\/span>new<\/span> SqlDataAdapter(  <\/span><\/span><\/li>\n  \n  \n  
            2. \"SELECT au_lname, au_fname FROM Authors WHERE au_id = @au_id\"<\/span>, conn);  <\/span><\/li>\n  \n  \n  
            3. SQLParameter parm = myCommand.SelectCommand.Parameters.Add(<\/span>\"@au_id\"<\/span>,   <\/span><\/li>\n  \n  \n  
            4.                         SqlDbType.VarChar, 11);  <\/span><\/li>\n  \n  \n  
            5. Parm.Value = Login.Text; <\/span><\/li>\n \n \n <\/ol><\/pre>\n
              \u7b5b\u9009\u8f93\u5165
               \u7b5b\u9009\u8f93\u5165\u53ef\u4ee5\u5220\u9664\u8f6c\u4e49\u7b26\uff0c\u8fd9\u4e5f\u53ef\u80fd\u6709\u52a9\u4e8e\u9632\u6b62 SQL \u6ce8\u5165\u3002\u4f46\u7531\u4e8e\u53ef\u5f15\u8d77\u95ee\u9898\u7684\u5b57\u7b26\u6570\u91cf\u5f88\u5927\uff0c\u56e0\u6b64\u8fd9\u5e76\u4e0d\u662f\u4e00\u79cd\u53ef\u9760\u7684\u9632\u62a4\u65b9\u6cd5\u3002\u4ee5\u4e0b\u793a\u4f8b\u53ef\u641c\u7d22\u5b57\u7b26\u4e32\u5206\u9694\u7b26\u3002<\/p>\n
              \u590d\u5236\u4ee3\u7801 
               private string SafeSqlLiteral(string inputSQL)
               {
                 return inputSQL.Replace(\"'\", \"''\");
               }
               LIKE \u5b50\u53e5
               \u8bf7\u6ce8\u610f\uff0c\u5982\u679c\u8981\u4f7f\u7528 LIKE \u5b50\u53e5\uff0c\u8fd8\u5fc5\u987b\u5bf9\u901a\u914d\u7b26\u5b57\u7b26\u8fdb\u884c\u8f6c\u4e49\uff1a<\/p>\n
              \u590d\u5236\u4ee3\u7801 
               s = s.Replace(\"[\", \"[[]\");
               s = s.Replace(\"%\", \"[%]\");
               s = s.Replace(\"_\", \"[_]\");
                 \u5728\u4ee3\u7801\u4e2d\u68c0\u67e5 SQL \u6ce8\u5165 
               \u5e94\u68c0\u67e5\u6240\u6709\u8c03\u7528 EXECUTE\u3001EXEC \u6216 sp_executesql \u7684\u4ee3\u7801\u3002\u53ef\u4ee5\u4f7f\u7528\u7c7b\u4f3c\u5982\u4e0b\u7684\u67e5\u8be2\u6765\u5e2e\u52a9\u60a8\u6807\u8bc6\u5305\u542b\u8fd9\u4e9b\u8bed\u53e5\u7684\u8fc7\u7a0b\u3002\u6b64\u67e5\u8be2\u68c0\u67e5\u5355\u8bcd EXECUTE \u6216 EXEC \u540e\u662f\u5426\u5b58\u5728 1 \u4e2a\u30012 \u4e2a\u30013 \u4e2a\u6216 4 \u4e2a\u7a7a\u683c\u3002<\/p>\n
              \n \n \n 
                \n  \n  \n  
              1. SELECT<\/span> object_Name(id) <\/span>FROM<\/span> syscomments  <\/span><\/span><\/li>\n  \n  \n  
              2. WHERE<\/span> <\/span>UPPER<\/span>(text) <\/span>LIKE<\/span> <\/span>'%EXECUTE (%'<\/span> <\/span><\/li>\n  \n  \n  
              3. OR<\/span> <\/span>UPPER<\/span>(text) <\/span>LIKE<\/span> <\/span>'%EXECUTE  (%'<\/span> <\/span><\/li>\n  \n  \n  
              4. OR<\/span> <\/span>UPPER<\/span>(text) <\/span>LIKE<\/span> <\/span>'%EXECUTE   (%'<\/span> <\/span><\/li>\n  \n  \n  
              5. OR<\/span> <\/span>UPPER<\/span>(text) <\/span>LIKE<\/span> <\/span>'%EXECUTE    (%'<\/span> <\/span><\/li>\n  \n  \n  
              6. OR<\/span> <\/span>UPPER<\/span>(text) <\/span>LIKE<\/span> <\/span>'%EXEC (%'<\/span> <\/span><\/li>\n  \n  \n  
              7. OR<\/span> <\/span>UPPER<\/span>(text) <\/span>LIKE<\/span> <\/span>'%EXEC  (%'<\/span> <\/span><\/li>\n  \n  \n  
              8. OR<\/span> <\/span>UPPER<\/span>(text) <\/span>LIKE<\/span> <\/span>'%EXEC   (%'<\/span> <\/span><\/li>\n  \n  \n  
              9. OR<\/span> <\/span>UPPER<\/span>(text) <\/span>LIKE<\/span> <\/span>'%EXEC    (%'<\/span> <\/span><\/li>\n  \n  \n  
              10. OR<\/span> <\/span>UPPER<\/span>(text) <\/span>LIKE<\/span> <\/span>'%SP_EXECUTESQL%'<\/span> <\/span><\/li>\n \n \n <\/ol><\/pre>\n
                \u4f7f\u7528 QUOTENAME() \u548c REPLACE() \u5305\u88c5\u53c2\u6570<\/strong><\/p>\n
                \u5728\u9009\u62e9\u7684\u6bcf\u4e2a\u5b58\u50a8\u8fc7\u7a0b\u4e2d\uff0c\u9a8c\u8bc1\u662f\u5426\u5bf9\u52a8\u6001 Transact-SQL \u4e2d\u4f7f\u7528\u7684\u6240\u6709\u53d8\u91cf\u90fd\u8fdb\u884c\u4e86\u6b63\u786e\u5904\u7406\u3002\u6765\u81ea\u5b58\u50a8\u8fc7\u7a0b\u7684\u8f93\u5165\u53c2\u6570\u7684\u6570\u636e\u6216\u4ece\u8868\u4e2d\u8bfb\u53d6\u7684\u6570\u636e\u5e94\u5305\u88c5\u5728 QUOTENAME() \u6216 REPLACE() \u4e2d\u3002\u8bf7\u8bb0\u4f4f\uff0c\u4f20\u9012\u7ed9 QUOTENAME() \u7684 @variable \u503c\u7684\u6570\u636e\u7c7b\u578b\u4e3a sysname\uff0c\u4e14\u6700\u5927\u957f\u5ea6\u4e3a 128 \u4e2a\u5b57\u7b26\u3002<\/p>\n
                @variable
                  \u5efa\u8bae\u7684\u5305\u88c5
                  
                 \u5b89\u5168\u5bf9\u8c61\u7684\u540d\u79f0
                  QUOTENAME(@variable)
                  
                 \u5b57\u7b26\u4e32 \u2264 128 \u4e2a\u5b57\u7b26
                  QUOTENAME(@variable, '''')
                  
                 \u5b57\u7b26\u4e32 > 128 \u4e2a\u5b57\u7b26
                  REPLACE(@variable,'''', '''''')
                  <\/p>\n
                \u4f7f\u7528\u6b64\u65b9\u6cd5\u65f6\uff0c\u53ef\u5bf9 SET \u8bed\u53e5\u8fdb\u884c\u5982\u4e0b\u4fee\u6539\uff1a<\/p>\n
                --Before:<\/p>\n
                SET @temp = N'select * from authors where au_lname='''<\/p>\n
                + @au_lname + N''''<\/p>\n
                --After:<\/p>\n
                SET @temp = N'select * from authors where au_lname='''<\/p>\n
                + REPLACE(@au_lname,'''','''''') + N''''<\/p>\n
                \u7531\u6570\u636e\u622a\u65ad\u542f\u7528\u7684\u6ce8\u5165
                 \u5982\u679c\u5206\u914d\u7ed9\u53d8\u91cf\u7684\u4efb\u4f55\u52a8\u6001 Transact-SQL \u6bd4\u4e3a\u8be5\u53d8\u91cf\u5206\u914d\u7684\u7f13\u51b2\u533a\u5927\uff0c\u90a3\u4e48\u5b83\u5c06\u88ab\u622a\u65ad\u3002\u5982\u679c\u653b\u51fb\u8005\u80fd\u591f\u901a\u8fc7\u5c06\u610f\u5916\u957f\u5ea6\u7684\u5b57\u7b26\u4e32\u4f20\u9012\u7ed9\u5b58\u50a8\u8fc7\u7a0b\u6765\u5f3a\u5236\u6267\u884c\u8bed\u53e5\u622a\u65ad\uff0c\u5219\u8be5\u653b\u51fb\u8005\u53ef\u4ee5\u64cd\u4f5c\u8be5\u7ed3\u679c\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u811a\u672c\u521b\u5efa\u7684\u5b58\u50a8\u8fc7\u7a0b\u5bb9\u6613\u53d7\u5230\u7531\u622a\u65ad\u542f\u7528\u7684\u6ce8\u5165\u653b\u51fb\u3002<\/p>\n
                \n \n \n 
                  \n  \n  \n  
                1. CREATE<\/span> <\/span>PROCEDURE<\/span> sp_MySetPassword  <\/span><\/span><\/li>\n  \n  \n  
                2. @loginname sysname,  <\/span><\/li>\n  \n  \n  
                3. @old sysname,  <\/span><\/li>\n  \n  \n  
                4. @new sysname  <\/span><\/li>\n  \n  \n  
                5. AS<\/span> <\/span><\/li>\n  \n  \n  
                6. -- Declare variable. <\/span> <\/span><\/li>\n  \n  \n  
                7. -- Note that the buffer here is only 200 characters long. <\/span> <\/span><\/li>\n  \n  \n  
                8. DECLARE<\/span> @command <\/span>varchar<\/span>(200)  <\/span><\/li>\n  \n  \n  
                9. -- Construct the dynamic Transact-SQL. <\/span> <\/span><\/li>\n  \n  \n  
                10. -- In the following statement, we need a total of 154 characters <\/span> <\/span><\/li>\n  \n  \n  
                11. -- to set the password of 'sa'. <\/span> <\/span><\/li>\n  \n  \n  
                12. -- 26 for UPDATE statement, 16 for WHERE clause, 4 for 'sa', and 2 for <\/span> <\/span><\/li>\n  \n  \n  
                13. -- quotation marks surrounded by QUOTENAME(@loginname): <\/span> <\/span><\/li>\n  \n  \n  
                14. -- 200 \u2013 26 \u2013 16 \u2013 4 \u2013 2 = 154. <\/span> <\/span><\/li>\n  \n  \n  
                15. -- But because @new is declared as a sysname, this variable can only hold <\/span> <\/span><\/li>\n  \n  \n  
                16. -- 128 characters. <\/span> <\/span><\/li>\n  \n  \n  
                17. -- We can overcome this by passing some single quotation marks in @new. <\/span> <\/span><\/li>\n  \n  \n  
                18. SET<\/span> @command= <\/span>'update Users set password='<\/span> + QUOTENAME(@new, <\/span>''<\/span>''<\/span>) + <\/span>' where username='<\/span> + QUOTENAME(@loginname, <\/span>''<\/span>''<\/span>) + <\/span>' AND password = '<\/span> + QUOTENAME(@old, <\/span>''<\/span>''<\/span>)  <\/span><\/li>\n  \n  \n  
                19. -- Execute the command. <\/span> <\/span><\/li>\n  \n  \n  
                20. EXEC<\/span> (@command)  <\/span><\/li>\n  \n  \n  
                21. GO <\/span><\/li>\n \n \n <\/ol><\/pre>\n
                  \u901a\u8fc7\u5411 128 \u4e2a\u5b57\u7b26\u7684\u7f13\u51b2\u533a\u4f20\u9012 154 \u4e2a\u5b57\u7b26\uff0c\u653b\u51fb\u8005\u4fbf\u53ef\u4ee5\u5728\u4e0d\u77e5\u9053\u65e7\u5bc6\u7801\u7684\u60c5\u51b5\u4e0b\u4e3a sa \u8bbe\u7f6e\u65b0\u5bc6\u7801\u3002<\/p>\n
                  EXEC sp_MySetPassword 'sa', 'dummy', '123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012'''''''''''''''''''''''''''''''''''''''''''''''''''<\/p>\n
                  \u56e0\u6b64\uff0c\u5e94\u5bf9\u547d\u4ee4\u53d8\u91cf\u4f7f\u7528\u8f83\u5927\u7684\u7f13\u51b2\u533a\uff0c\u6216\u76f4\u63a5\u5728 EXECUTE \u8bed\u53e5\u5185\u6267\u884c\u52a8\u6001 Transact-SQL\u3002<\/p>\n
                  \u4f7f\u7528 QUOTENAME(@variable, '''') \u548c REPLACE() \u65f6\u7684\u622a\u65ad
                   \u5982\u679c QUOTENAME() \u548c REPLACE() \u8fd4\u56de\u7684\u5b57\u7b26\u4e32\u8d85\u8fc7\u4e86\u5206\u914d\u7684\u7a7a\u95f4\uff0c\u8be5\u5b57\u7b26\u4e32\u5c06\u88ab\u81ea\u52a8\u622a\u65ad\u3002\u4ee5\u4e0b\u793a\u4f8b\u4e2d\u521b\u5efa\u7684\u5b58\u50a8\u8fc7\u7a0b\u663e\u793a\u4e86\u53ef\u80fd\u51fa\u73b0\u7684\u60c5\u51b5\u3002<\/p>\n
                  \n \n \n 
                    \n  \n  \n  
                  1. CREATE<\/span> <\/span>PROCEDURE<\/span> sp_MySetPassword  <\/span><\/span><\/li>\n  \n  \n  
                  2. @loginname sysname,  <\/span><\/li>\n  \n  \n  
                  3. @old sysname,  <\/span><\/li>\n  \n  \n  
                  4. @new sysname  <\/span><\/li>\n  \n  \n  
                  5. AS<\/span> <\/span><\/li>\n  \n  \n  
                  6. -- Declare variables. <\/span> <\/span><\/li>\n  \n  \n  
                  7. DECLARE<\/span> @login sysname  <\/span><\/li>\n  \n  \n  
                  8. DECLARE<\/span> @newpassword sysname  <\/span><\/li>\n  \n  \n  
                  9. DECLARE<\/span> @oldpassword sysname  <\/span><\/li>\n  \n  \n  
                  10. DECLARE<\/span> @command <\/span>varchar<\/span>(2000)  <\/span><\/li>\n  \n  \n  
                  11. -- In the following statements, the data stored in temp variables <\/span> <\/span><\/li>\n  \n  \n  
                  12. -- will be truncated because the buffer size of @login, @oldpassword, <\/span> <\/span><\/li>\n  \n  \n  
                  13. -- and @newpassword is only 128 characters, but QUOTENAME() can return <\/span> <\/span><\/li>\n  \n  \n  
                  14. -- up to 258 characters. <\/span> <\/span><\/li>\n  \n  \n  
                  15. SET<\/span> @login = QUOTENAME(@loginname, <\/span>''<\/span>''<\/span>)  <\/span><\/li>\n  \n  \n  
                  16. SET<\/span> @oldpassword = QUOTENAME(@old, <\/span>''<\/span>''<\/span>)  <\/span><\/li>\n  \n  \n  
                  17. SET<\/span> @newpassword = QUOTENAME(@new, <\/span>''<\/span>''<\/span>)  <\/span><\/li>\n  \n  \n  
                  18. -- Construct the dynamic Transact-SQL. <\/span> <\/span><\/li>\n  \n  \n  
                  19. -- If @new contains 128 characters, then @newpassword will be '123... n <\/span> <\/span><\/li>\n  \n  \n  
                  20. -- where n is the 127th character. <\/span> <\/span><\/li>\n  \n  \n  
                  21. -- Because the string returned by QUOTENAME() will be truncated, <\/span> <\/span><\/li>\n  \n  \n  
                  22. -- it can be made to look like the following statement: <\/span> <\/span><\/li>\n  \n  \n  
                  23. -- UPDATE Users SET password ='1234. . .[127] WHERE username=' -- other stuff here <\/span> <\/span><\/li>\n  \n  \n  
                  24. SET<\/span> @command = <\/span>'UPDATE Users set password = '<\/span> + @newpassword  <\/span><\/li>\n  \n  \n  
                  25. + <\/span>' where username ='<\/span> + @login + <\/span>' AND password = '<\/span> + @oldpassword;  <\/span><\/li>\n  \n  \n  
                  26. -- Execute the command. <\/span> <\/span><\/li>\n  \n  \n  
                  27. EXEC<\/span> (@command)  <\/span><\/li>\n  \n  \n  
                  28. GO <\/span><\/li>\n \n \n <\/ol><\/pre>\n
                    \u56e0\u6b64\uff0c\u4ee5\u4e0b\u8bed\u53e5\u5c06\u628a\u6240\u6709\u7528\u6237\u7684\u5bc6\u7801\u90fd\u8bbe\u7f6e\u4e3a\u5728\u524d\u9762\u7684\u4ee3\u7801\u4e2d\u4f20\u9012\u7684\u503c\u3002<\/p>\n
                    EXEC sp_MyProc '--', 'dummy', '12345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678901234567890123456789012345678'<\/p>\n
                    \u4f7f\u7528 REPLACE() \u65f6\uff0c\u53ef\u4ee5\u901a\u8fc7\u8d85\u51fa\u5206\u914d\u7684\u7f13\u51b2\u533a\u7a7a\u95f4\u6765\u5f3a\u8feb\u5b57\u7b26\u4e32\u622a\u65ad\u3002\u4ee5\u4e0b\u793a\u4f8b\u4e2d\u521b\u5efa\u7684\u5b58\u50a8\u8fc7\u7a0b\u663e\u793a\u4e86\u53ef\u80fd\u51fa\u73b0\u7684\u60c5\u51b5\u3002<\/p>\n
                     <\/p>\n
                    \n \n \n 
                      \n  \n  \n  
                    1. CREATE<\/span> <\/span>PROCEDURE<\/span> sp_MySetPassword  <\/span><\/span><\/li>\n  \n  \n  
                    2. @loginname sysname,  <\/span><\/li>\n  \n  \n  
                    3. @old sysname,  <\/span><\/li>\n  \n  \n  
                    4. @new sysname  <\/span><\/li>\n  \n  \n  
                    5. AS<\/span> <\/span><\/li>\n  \n  \n  
                    6. -- Declare variables. <\/span> <\/span><\/li>\n  \n  \n  
                    7. DECLARE<\/span> @login sysname  <\/span><\/li>\n  \n  \n  
                    8. DECLARE<\/span> @newpassword sysname  <\/span><\/li>\n  \n  \n  
                    9. DECLARE<\/span> @oldpassword sysname  <\/span><\/li>\n  \n  \n  
                    10. DECLARE<\/span> @command <\/span>varchar<\/span>(2000)  <\/span><\/li>\n  \n  \n  
                    11. -- In the following statements, data will be truncated because <\/span> <\/span><\/li>\n  \n  \n  
                    12. -- the buffers allocated for @login, @oldpassword and @newpassword <\/span> <\/span><\/li>\n  \n  \n  
                    13. -- can hold only 128 characters, but QUOTENAME() can return <\/span> <\/span><\/li>\n  \n  \n  
                    14. -- up to 258 characters. <\/span> <\/span><\/li>\n  \n  \n  
                    15. SET<\/span> @login = <\/span>REPLACE<\/span>(@loginname, <\/span>''<\/span>''<\/span>, <\/span>''<\/span>''<\/span>''<\/span>)  <\/span><\/li>\n  \n  \n  
                    16. SET<\/span> @oldpassword = <\/span>REPLACE<\/span>(@old, <\/span>''<\/span>''<\/span>, <\/span>''<\/span>''<\/span>''<\/span>)  <\/span><\/li>\n  \n  \n  
                    17. SET<\/span> @newpassword = <\/span>REPLACE<\/span>(@new, <\/span>''<\/span>''<\/span>, <\/span>''<\/span>''<\/span>''<\/span>)  <\/span><\/li>\n  \n  \n  
                    18. -- Construct the dynamic Transact-SQL. <\/span> <\/span><\/li>\n  \n  \n  
                    19. -- If @new contains 128 characters, @newpassword will be '123...n <\/span> <\/span><\/li>\n  \n  \n  
                    20. -- where n is the 127th character. <\/span> <\/span><\/li>\n  \n  \n  
                    21. -- Because the string returned by QUOTENAME() will be truncated, it <\/span> <\/span><\/li>\n  \n  \n  
                    22. -- can be made to look like the following statement: <\/span> <\/span><\/li>\n  \n  \n  
                    23.  <\/span><\/li>\n  \n  \n  
                    24. -- UPDATE Users SET password='1234\u2026[127] WHERE username=' -- other stuff here <\/span> <\/span><\/li>\n  \n  \n  
                    25. SET<\/span> @command= <\/span>'update Users set password = '<\/span>''<\/span> + @newpassword + <\/span>''<\/span>' where username='<\/span>''<\/span> <\/span><\/li>\n  \n  \n  
                    26. + @login + <\/span>''<\/span>' AND password = '<\/span>''<\/span> + @oldpassword + <\/span>''<\/span>''<\/span>;  <\/span><\/li>\n  \n  \n  
                    27. -- Execute the command. <\/span> <\/span><\/li>\n  \n  \n  
                    28. EXEC<\/span> (@command)  <\/span><\/li>\n  \n  \n  
                    29. GO <\/span><\/li>\n \n \n <\/ol><\/pre>\n
                       <\/p>\n
                      \u4e0e QUOTENAME() \u4e00\u6837\uff0c\u53ef\u4ee5\u901a\u8fc7\u58f0\u660e\u5bf9\u6240\u6709\u60c5\u51b5\u90fd\u8db3\u591f\u5927\u7684\u4e34\u65f6\u53d8\u91cf\u6765\u907f\u514d\u7531 REPLACE() \u5f15\u8d77\u7684\u5b57\u7b26\u4e32\u622a\u65ad\u3002\u5e94\u5c3d\u53ef\u80fd\u76f4\u63a5\u5728\u52a8\u6001 Transact-SQL \u5185\u8c03\u7528 QUOTENAME() \u6216 REPLACE()\u3002\u6216\u8005\uff0c\u4e5f\u53ef\u4ee5\u6309\u5982\u4e0b\u65b9\u5f0f\u8ba1\u7b97\u6240\u9700\u7684\u7f13\u51b2\u533a\u5927\u5c0f\u3002\u5bf9\u4e8e @outbuffer = QUOTENAME(@input)\uff0c@outbuffer \u7684\u5927\u5c0f\u5e94\u4e3a 2*(len(@input)+1). \u3002\u4f7f\u7528 REPLACE() \u548c\u53cc\u5f15\u53f7\u65f6\uff08\u5982\u4e0a\u4e00\u793a\u4f8b\uff09\uff0c\u5927\u5c0f\u4e3a 2*len(@input) \u7684\u7f13\u51b2\u533a\u4fbf\u5df2\u8db3\u591f\u3002<\/p>\n
                      \u4ee5\u4e0b\u8ba1\u7b97\u6db5\u76d6\u6240\u6709\u60c5\u51b5\uff1a<\/p>\n
                      While len(@find_string) > 0, required buffer size =<\/p>\n
                      round(len(@input)\/len(@find_string),0) * len(@new_string)<\/p>\n
                      + (len(@input) % len(@find_string))<\/p>\n
                      \u4f7f\u7528 QUOTENAME(@variable, ']') \u65f6\u7684\u622a\u65ad
                       \u5f53 SQL Server \u5b89\u5168\u5bf9\u8c61\u7684\u540d\u79f0\u88ab\u4f20\u9012\u7ed9\u4f7f\u7528 QUOTENAME(@variable, ']') \u5f62\u5f0f\u7684\u8bed\u53e5\u65f6\uff0c\u53ef\u80fd\u53d1\u751f\u622a\u65ad\u3002\u4e0b\u9762\u7684\u793a\u4f8b\u663e\u793a\u4e86\u8fd9\u79cd\u60c5\u51b5\u3002<\/p>\n
                       <\/p>\n
                      \n \n \n 
                        \n  \n  \n  
                      1. CREATE<\/span> <\/span>PROCEDURE<\/span> sp_MyProc  <\/span><\/span><\/li>\n  \n  \n  
                      2. @schemaname sysname,  <\/span><\/li>\n  \n  \n  
                      3. @tablename sysname,  <\/span><\/li>\n  \n  \n  
                      4. AS<\/span> <\/span><\/li>\n  \n  \n  
                      5. -- Declare a variable as sysname. The variable will be 128 characters. <\/span> <\/span><\/li>\n  \n  \n  
                      6. -- But @objectname actually must allow for 2*258+1 characters. <\/span> <\/span><\/li>\n  \n  \n  
                      7. DECLARE<\/span> @objectname sysname  <\/span><\/li>\n  \n  \n  
                      8. SET<\/span> @objectname = QUOTENAME(@schemaname)+<\/span>'.'<\/span>+ QUOTENAME(@tablename)  <\/span><\/li>\n  \n  \n  
                      9. -- Do some operations. <\/span> <\/span><\/li>\n  \n  \n  
                      10. GO <\/span><\/li>\n \n \n <\/ol><\/pre>\n
                         <\/p>\n
                        \u5f53\u60a8\u4e32\u8054 sysname \u7c7b\u578b\u7684\u503c\u65f6\uff0c\u5e94\u4f7f\u7528\u8db3\u591f\u5927\u7684\u4e34\u65f6\u53d8\u91cf\u6765\u4fdd\u5b58\u6bcf\u4e2a\u503c\u7684\u6700\u591a 128 \u4e2a\u5b57\u7b26\u3002\u5e94\u5c3d\u53ef\u80fd\u76f4\u63a5\u5728\u52a8\u6001 Transact-SQL \u5185\u8c03\u7528 QUOTENAME()\u3002\u6216\u8005\uff0c\u4e5f\u53ef\u4ee5\u6309\u4e0a\u4e00\u90e8\u5206\u6240\u8ff0\u6765\u8ba1\u7b97\u6240\u9700\u7684\u7f13\u51b2\u533a\u5927\u5c0f\u3002<\/p>\n
                        \u539f\u6587\u5730\u5740<\/font><\/p>\n
                        \u672c\u6587\u6765\u6e90\uff1a\u5fae\u8f6fTechNet\u4e2d\u6587\u7ad9<\/font><\/p>\n","protected":false},"excerpt":{"rendered":"
                        SQL \u6ce8\u5165\u662f\u4e00\u79cd\u653b\u51fb\u65b9\u5f0f\uff0c\u5728\u8fd9\u79cd\u653b\u51fb\u65b9\u5f0f\u4e2d\uff0c\u6076\u610f\u4ee3\u7801\u88ab\u63d2\u5165\u5230\u5b57\u7b26\u4e32\u4e2d\uff0c\u7136\u540e\u5c06\u8be5\u5b57\u7b26\u4e32\u4f20\u9012\u5230 SQL Serv […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7038],"tags":[],"class_list":["post-309000","post","type-post","status-publish","format-standard","hentry","category-database"],"_links":{"self":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/309000","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/comments?post=309000"}],"version-history":[{"count":0,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/posts\/309000\/revisions"}],"wp:attachment":[{"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/media?parent=309000"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/categories?post=309000"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/idc.net\/help\/wp-json\/wp\/v2\/tags?post=309000"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}