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  1. ³]©w DSN¡AÅý MATLAB ¯à¸g¥Ñ DSN ¤Î ODBC ¨Ó¾Þ±±¸ê®Æ®w¡C¡]¦¹³¡¤À½Ð¨£¤W¤@¸`ªº»¡©ú¡^
  2. ¨Ï¥Î logintimeout «ü¥O¨Ó³]©w·í MATLAB ¦b¶i¦æ¸ê®Æ®w³sµ²®É¡A³Ìªøªº¹Á¸Õ³sµ²®É¶¡¡C¨Ò¦p¡A§Ú­Ì¥i¥Î logintimeout(5) ¨Ó³]©w¦¹®É¶¡¬° 5 ¬í¡C¦b¹Á¸Õ³sµ²¸ê®Æ®w®É¡A¤@¥¹¶W¹L¦¹®É¶¡¡AMATLAB ±N²£¥Í¿ù»~°T®§¦Ó¤£¦A¶i¦æ³sµ²¡C
  3. ¨Ï¥Î database «ü¥O¨Ó³sµ²¦Ü¸ê®Æ®w¡A¨ä®æ¦¡¦p¤U¡G
  4. conn = database(dsn, loginName, password)
  5. ¨ä¤¤ dsn ¬O¦b¨BÆJ 1 ©Ò³]©wªº DSN¡AloginName ©M password«h¬O¦s¨ú¦¹¸ê®Æ®wªº±b¸¹©M±K½X¡C­Y¦¹¸ê®Æ®w¤£»Ý±b¸¹©M±K½X¡A«h³o¨â­Ó°Ñ¼Æ³£¥i¥H³]©w¦¨ªÅ¦r¦ê¡C©Ò¶Ç¦^ªºÅÜ¼Æ conn «h¬O¥Nªí¸ê®Æ®w³sµ²ªºª«¥ó¡C
  6. ¨Ï¥Î ping «ü¥O¨ÓÀˬd¸ê®Æ®w³sµ²ª¬ºA¡A¨Ò¦p ping(conn)¡C³o¨BÆJ¯Âºé¬O¬°¤FÀˬd¸ê®Æ®w³sµ²ª¬ºA¡A¦b¤@¯ëµ{¦¡½X¤¤¡A¥i¥H¬Ù²¤¡C
  7. ¨Ï¥Î exec «ü¥O¨Ó°õ¦æ SQL ©R¥O¡A¨Ã¶Ç¦^ cursor ª«¥ó¡A¥HÃä¶}©l§ì¨ú¸ê®Æ¡C¨ä®æ¦¡¦p¤U¡G
  8. cursor = exec(conn, sqlCommand)
  9. ¨ä¤¤ conn ¬O¦b¨BÆJ 3 ©Ò³]©wªº ¸ê®Æ®w³sµ²ª«¥ó¡AsqlCommand «h¬O±ý°õ¦æªº SQL ©R¥O¡A©Ò¶Ç¦^ªº cursor ª«¥ó¡A¥Nªí¦¹¦¸°õ¦æ SQL©R¥OªººÞ¹D©Î·¾³q¤è¦¡¡A§Ú­Ì¥i¥H®Ú¾Ú¦¹ºÞ¹D¨Ó¨ú±o©Ò¦³ªº¸ê®Æ¡C
  10. ¥i¥H¨Ï¥Î setdbprefs «ü¥O¨Ó³]©w¦^¶Ç¸ê®Æªº®æ¦¡¡A¤@¯ë¬O²§½è°}¦C¡]¹w³]­È¡^©Î¬Oµ²ºc°}¦C¡A¸Ô¨£«á­±ªº½d¨Ò¡C
  11. ¨Ï¥Î fetch «ü¥O¨Ó§ì¨ú¸ê®Æ¡A¨Ò¦p cursor = fetch(cursor, 10) ·|§ì¨ú10µ§¸ê®Æ¡A¨Ã±N¸ê®Æ¦s©ñ¦b cursor ª«¥ó¤¤ªº Data Äæ¦ì¡C
  12. ±N cursor ª«¥óªº¸ê®Æ¶Ç¦Ü MATLAB ÅܼơA¨Ò¦p¡GsongData = cursor.Data¡C
  13. ¥i¥H¤ÏÂШϥΠcursor ª«¥ó¨Ó¨ú±o¤U¹F SQL ©R¥O©Ò±o¨ìªº©Ò¦³¸ê®Æ¡C
  14. ³Ì«á¥i¥H¨Ï¥Î close «ü¥O¨ÓÃö³¬ cursor ª«¥ó¤Î¸ê®Æ®w³sµ²¡C

³o´X­Ó¨BÆJ¡A¬Ý°_¨Ó¦³¤@¨ÇÁc½Æ¡A¦ý¦b¹ê»Ú¾Þ§@®É¡A¨Ã«D¦p·Q¹³¤¤½ÆÂø¡C§Ú­Ìª½±µ¬Ý¤@­Ó½d¨Ò¡A·|¤ñ¸û®e©ö¶i¤Jª¬ªp¡C¦b¤U­±³o­Ó½d¨Ò¤¤¡A§Ú­Ì¨Ï¥Î«e­zªº¨BÆJ¡A§ì¥Xsong ¸ê®Æªí¡]¦ì©ó song01.mdb¡^¤ºªº¸ê®Æ¡C·íµM¡A¦b¹Á¸Õ¦¹½d¨Ò®É¡A§A¥²¶·¥ý¨Ï¥Î«e¤@¸`ªº¤èªk¨Ó³]©w DSN¡A±N dsnSong01 «ü¦V song01.mdb ªº¥»¾÷¦ì¸m¡C½d¨Ò¦p¤U¡C

Example 1: 13-»P¸ê®Æ®wªº¾ã¦X/getData01.mdsn = 'dsnSong01'; % ³]©w¸ê®Æ¨Ó·½¦WºÙ¡]«ü¨ì song01.mdb¡^ logintimeout(5); % ³]©w¹Á¸Õ³sµ²¸ê®Æ®wªº®É¶¡ conn = database(dsn, '', ''); % ³sµ²¸ê®Æ®w sql = 'select * from song'; % °õ¦æ³]©w SQL ©R¥O cursor = exec(conn, sql); % °õ¦æ SQL ©R¥O¡A¨Ã¶Ç¦^ cursor ª«¥ó cursor = fetch(cursor, 8); % ¸g¥Ñ cursor ª«¥ó¡A§ì¨ú 8 µ§¸ê®Æ songData = cursor.data % ±N¸ê®Æ¶Ç¦Ü MATLAB ÅÜ¼Æ songData close(cursor); % µ²§ô cursor ª«¥ó close(conn); % µ²§ô¸ê®Æ®w³sµ²songData = [ 1] '¥Î¤ß¨}­W' '±i¦t' [1993] [ 2] 'Å¥®ü' '±i´f©f' [1998] [ 4] '²o¤â' '±i´f©f' [2001] [ 6] '³Ì¼ô±xªº­¯¥Í¤H' '¿½¨È°a' [2000] [ 8] 'ÅʤH¥¼º¡' 'S.H.E' [2002] [ 9] 'I.O.I.O.' 'S.H.E' [2002] [11] '¨C¦¸³£·Q©I³Û§Aªº¦W¦r' '¥Ã¨¹' [2002] [12] '³Ì¼ô±xªº­¯¥Í¤H' '¿½¨È°a' [2000]

¦b¤W­z½d¨Ò¤¤¡Acursor ª«¥óªº§@¥Î¡AÃþ¦üŪ¨úÀɮ׮ɩҥΪºÀɮ׫ü¼Ð¡AÅý§Ú­Ì¦b¤U¹F¤@¦¸SQL©R¥O«á¡A¥i¥H°O¿ý¸ê®Æ¤À¦¸Åª¥Xªº±¡ªp¡C¨Ò¦p¡Acursor = fetch(cursor, 8) ªº§@¥Î¬O¸g¥Ñ cursor ª«¥ó§ì¨ú 8 µ§¸ê®Æ¡A¦pªG¦A¤@¦¸¤U¹F cursor = fetch(cursor, 2)¡A´N·|§ì¨ú¤U¨âµ§¸ê®Æ¡A¨Ã°O¿ý©ó cursor ª«¥ó¡C¦pªG¸ê®Æ¶q¤£¤j¡A§Ú­Ì¤]¥i¥Hª½±µ¤U¹F cursor = fetch(cursor) ¡A¦¹®É·|±N©Ò¦³ªº¸ê®Æ¥þ³¡§ì¦^¡A¨Ã¬ö¿ý¦b cursor ª«¥ó¡C

¦bÃö³¬ cursor ¤ÎÃö³¬ conn ¤§«e¡A§A¤]¥i¥Hª½±µ¦b MATLAB ¿é¤J conn ©Î¬O cursor¡A´N¥i¥H¬Ý¨ì³o¨â­Óª«¥ó¨ì©³ÂäF¨Ç¤°»ò¸ê°T¡C

¥t¥~§Ú­Ì¥i¥Hª`·N¨ì¡A¶Ç¦^ªºµ²ªG¬O©ñ¦b¤@­Ó²§½è°}¦C¡A¨Ã¨Ì·ÓÄæ¦ì¸ê®Æ«¬ºAªº¤£¦P¦Ó¦³¤£¦Pªº¸ê®Æ«¬ºA¡A¨Ò¦p¼Æ­È©Î¦r¦êµ¥¡C¦ý¬O³o¨Ç¸ê®Æ¨Ã¤£¥]§tÄæ¦ì¦WºÙ¡A­Y­n§ì¨úÄæ¦ì¦WºÙ¡A¥i¥H¨Ï¥Î columnnames «ü¥O¡A¨ä¥LÃþ¦üªº«ü¥OÁÙ¦³ rows¡]¸ê®Æµ§¼Æ¡^¡Bcols¡]Äæ¦ì­Ó¼Æ¡^¡Bwidth¡]¬Y­ÓÄæ¦ìªº¼e«×¡^¡Battr¡]¬Y­ÓÄæ¦ìªº©Ò¦³¸ê°T¡^¡A½d¨Ò¦p¤U¡C

Example 2: 13-»P¸ê®Æ®wªº¾ã¦X/getDataAttr01.mdsn = 'dsnSong01'; % ³]©w¸ê®Æ¨Ó·½¦WºÙ¡]«ü¨ì song01.mdb¡^ logintimeout(5); % ³]©w¹Á¸Õ³sµ²¸ê®Æ®wªº®É¶¡ conn = database(dsn, '', ''); % ³sµ²¸ê®Æ®w sql = 'select * from song'; % ³]©w SQL ©R¥O cursor = exec(conn, sql); % °õ¦æ SQL ©R¥O¡A¨Ã¶Ç¦^ cursor ª«¥ó cursor = fetch(cursor, 10); % ¸g¥Ñ cursor ª«¥ó¡A§ì¨ú 10 µ§¸ê®Æ fprintf('¸ê®Æµ§¼Æ = %d\n', rows(cursor)); % Åã¥Ü¸ê®Æµ§¼Æ fprintf('Äæ¦ì­Ó¼Æ = %d\n', cols(cursor)); % Åã¥ÜÄæ¦ì­Ó¼Æ fprintf('Äæ¦ì¦WºÙ = %s\n', columnnames(cursor));% Åã¥Ü¸ê®Æ®wÄæ¦ì¦WºÙ fprintf('Äæ¦ì¼e«× = %d\n', width(cursor, 3)); % Åã¥Ü²Ä¤T­ÓÄæ¦ìªº¼e«× attributes = attr(cursor, 3) % Åã¥Ü²Ä¤T­ÓÄæ¦ìªº©Ò¦³¸ê°T close(cursor); % µ²§ô cursor ª«¥ó close(conn); % µ²§ô¸ê®Æ®w³sµ²¸ê®Æµ§¼Æ = 10 Äæ¦ì­Ó¼Æ = 4 Äæ¦ì¦WºÙ = '§Ç¸¹','ºq¦±¦WºÙ','¥D°ÛªÌ','¦~¥÷' Äæ¦ì¼e«× = 255 attributes = fieldName: '¥D°ÛªÌ' typeName: 'VARCHAR' typeValue: 12 columnWidth: 255 precision: [] scale: [] currency: 'false' readOnly: 'false' nullable: 'true' Message: []

¦b¤W­z½d¨Ò¤¤¡Acursor ª«¥ó©Ò¶Ç¦^ªº¸ê®Æ¬O²§½è°}¦C¡A§Ú­Ì¥i¥H¨Ï¥Î setdbprefs «ü¥O¡A¨Ó±N¶Ç¦^ªº¸ê®Æ§ï¦¨µ²ºc°}¦C¡A½d¨Ò¦p¤U¡C¡]¦ý¦b°õ¦æ¦¹½d¨Ò¤§«e¡A§A¥²¶·¥ý¤â°Ê³]©wDSN¡A¥ç§Y±N dsnScore01 «ü¦V¦¹½d¨Ò©Ò¥Îªº¸ê®Æ®w score01.mdb¡C¡^

Example 3: 13-»P¸ê®Æ®wªº¾ã¦X/getData02.mdsn = 'dsnScore01'; % ³]©w¸ê®Æ¨Ó·½¦WºÙ¡]«ü¨ì score01.mdb¡^ logintimeout(5); % ³]©w¹Á¸Õ³sµ²¸ê®Æ®wªº®É¶¡ conn = database(dsn, '', ''); % ³sµ²¸ê®Æ®w sql = 'select * from score'; % °õ¦æ³]©w SQL ©R¥O cursor = exec(conn, sql); % °õ¦æ SQL ©R¥O¡A¨Ã¶Ç¦^ cursor ª«¥ó setdbprefs('DataReturnFormat', 'structure'); % ³]©w cursor ¶Ç¦^¸ê®Æ®æ¦¡¬Oµ²ºc°}¦C cursor = fetch(cursor, 10); % ¸g¥Ñ cursor ª«¥ó¡A§ì¨ú 10 µ§¸ê®Æ score = cursor.Data % ¸g¸ê®Æ³]©w¦Ü score ÅÜ¼Æ close(cursor); % µ²§ô cursor ª«¥ó close(conn); % µ²§ô¸ê®Æ®w³sµ² setdbprefs('DataReturnFormat', 'cellarray'); % §ï¦^¹w³]ªº¸ê®Æ®æ¦¡score = studentID: {10x1 cell} studentName: {10x1 cell} homework1: [10x1 double] homework2: [10x1 double] homework3: [10x1 double] midterm: [10x1 double] final: [10x1 double] overall: [10x1 double]

¦b¤W­z½d¨Ò¤¤¡A¶Ç¦^ªºÅÜ¼Æ score ¬O¤@­Óµ²ºcÅܼơA¥]§t 8 ­ÓÄæ¦ì¡A¨C¤@­ÓÄæ¦ì­È«h³£¬O¤@­Ó²§½è°}¦C¡A¥]§t­ì¸ê®Æªí song ªºÄæ¦ì­È¡C

Hint
¦ý¬O¥²¶·ª`·Nªº¬O¡GMATLABµ²ºc°}¦CªºÄæ¦ì¦WºÙ¥u¯à¨Ï¥Î­^¤å¡A¦Ó¤£¯à¥Î¤¤¤å¡A¦]¦¹¦b¨Ï¥Î¦¹ºØ¤è¦¡¨ÓÂà´««e¡A¥²¶·½T»{¸ê®Æ®wªºÄæ¦ì¦WºÙ¥²¶·¬O­^¤å¡A§_«h´N·|µo¥Í¿ù»~¡C¡]¨Ò¦p¡A¦pªG¨Ï¥Î song01.mdb ªºsong¸ê®Æªí¨Ó¶i¦æÃþ¦üªºÂà´«¡A´N·|µo¥Í¿ù»~¡A¦]¬°song¸ê®ÆªíªºÄæ¦ì¦WºÙ³£¬O¤¤¤å¡C¡^

¦ý¬O¤W­zªº¦w±Æ¤è¦¡¡A¤£¨£±o¬O²Å¦X§Ú­Ì»Ý­n¡C§Ú­Ì¬O§_¯à§â¶Ç¦^ªº¸ê®ÆÂà´«¦¨¤@­Óµ²ºc°}¦C¡A¨C­Ó¤¸¯À´N¬O¤@µ§¸ê®Æ¡A¨Ã§â¸ê®Æ®wªºÄæ¦ì·í¦¨¬O¨C­Ó¤¸¯ÀªºÄæ¦ì©O¡Hµª®×¬OªÖ©wªº¡A§Ú­Ì©Ò­n¥Î¨ìªº«ü¥O¬O cell2struct¡A¨Ó±N²§½è°}¦CÂà´«¦¨µ²ºc°}¦C¡A½d¨Ò¦p¤U¡C

Example 4: 13-»P¸ê®Æ®wªº¾ã¦X/db2struct01.mDSN = 'dsnScore01'; % ³]©w¸ê®Æ¨Ó·½¦WºÙ¡]«ü¨ì score01.mdb¡^ logintimeout(5); % ³]©w¹Á¸Õ³sµ²¸ê®Æ®wªº®É¶¡ conn = database(DSN, '', ''); % ³sµ²¸ê®Æ®w sql = 'select * from score order by studentID'; % ³]©w SQL ©R¥O cursor = exec(conn, sql); % °õ¦æ SQL ©R¥O¡A¨Ã¶Ç¦^ cursor ª«¥ó cursor = fetch(cursor); % ¸g¥Ñ cursor ª«¥ó¡A§ì¨ú¥þ³¡¸ê®Æ score = cursor.data % ±N¸ê®Æ¶Ç¦Ü MATLAB ÅÜ¼Æ scoregData temp = columnnames(cursor); % Åã¥Ü¸ê®Æ®wÄæ¦ì¦WºÙ eval(['fieldNames = {', temp, '}'';']); % ±NÄæ¦ì¦WºÙ«ü©w¨ì fieldNames ÅÜ¼Æ score2 = cell2struct(score, fieldNames, 2) % ±N²§½è°}¦C score Âনµ²ºc°}¦C score2 close(cursor); % µ²§ô cursor ª«¥ó close(conn); % µ²§ô¸ê®Æ®w³sµ²score = '8802142' '³\»F­â' [86] [96] [92] [90] [78] [0] '882545' '¤ý»öã¸' [86] [96] [92] [99] [77] [0] '882548' 'Ĭª÷Às' [89] [94] [90] [99] [78] [0] '898316' '§õ«T¤¯' [87] [95] [94] [99] [88] [0] '914307' 'Á©ú®p' [89] [93] [93] [90] [77] [0] '914340' '³Å«ä¬°' [82] [93] [87] [77] [80] [0] '914358' '®}­Z­ì' [87] [93] [87] [90] [80] [0] '914370' '³¯´¸' [88] [93] [93] [95] [79] [0] '916310' 'Á§³ÕÁ¾' [83] [93] [93] [99] [80] [0] '916701' 'ù·çÅï' [90] [94] [90] [90] [77] [0] '916716' 'Áéºú' [88] [94] [87] [99] [77] [0] '916717' 'ªL«C¼z' [90] [97] [92] [99] [80] [0] score2 = 12x1 struct array with fields: studentID studentName homework1 homework2 homework3 midterm final overall

¥Ñ¤W­z½d¨Ò¥i¥H¬Ý¥X¡Ascore¬O¤@­Ó²§½è°}¦C¡A¦ý¬O¨Ï¥Îcell2struct¨Ó¶i¦æÂà´««á¡Ascore2¤w¸gÅܦ¨¬O¤@­Óµ²ºc°}¦C¡A¨ä¤¤¨C¤@­Ó¤¸¯À´N¬O¤@µ§¸ê®Æ¡A¦Ó¥B¨C¤@­Ó¤¸¯ÀªºÄæ¦ì¦WºÙ³£©M¸ê®Æ®wªºÄæ¦ì¦WºÙ¤@­P¡C

¦pªG¸ê®Æ¶q«Ü¤j¡A¨º»ò­Y­nª½±µ¦b MATLAB µøµ¡¤ºÀ˵ø¡A¨Ã¤£¬O«Ü¤è«K¡A¥i¯àªº¸Ñ¨M¤§¹D¦³¨âºØ¡G

  1. ¨Ï¥ÎMATLABªº¡u°}¦C½s¿è¾¹¡v¡]Array Editor¡^¨ÓÀ˵ø¡C¨Ò¦p°õ¦æ¹L¤W­z½d¨Ò«á¡A¥i¥Hª½±µ¦bMATLAB¿é¤J open score ©Î open score2¡A´N¥i¥Hª½±µÀ˵ø°}¦C¤º®e¡A¤]¥i¥H­×§ï¡C
  2. ¤]¥i¥H±N¸ê®Æ¼g¨ìºô­¶¡A¥H«K¤W¤U±²°ÊÆ[¬Ý¡C

¤U­±³o­Ó½d¨Ò¡A§Ú­Ì¨Ï¥Î¤F¤@­Óµ§ªÌ¶}µoªº¨ç¼Æ struct2html.m¡A¥i¥H±Nµ²ºc°}¦Cªº¤º®e§e²{¦Üºô­¶¡A¥H«KÆ[¬Ý¡A½d¨Ò¦p¤U¡G

Example 5: 13-»P¸ê®Æ®wªº¾ã¦X/db2struct02.mDSN = 'dsnScore01'; % ³]©w¸ê®Æ¨Ó·½¦WºÙ¡]«ü¨ì score01.mdb¡^ logintimeout(5); % ³]©w¹Á¸Õ³sµ²¸ê®Æ®wªº®É¶¡ conn = database(DSN, '', ''); % ³sµ²¸ê®Æ®w sql = 'select * from score order by studentID'; % ³]©w SQL ©R¥O cursor = exec(conn, sql); % °õ¦æ SQL ©R¥O¡A¨Ã¶Ç¦^ cursor ª«¥ó cursor = fetch(cursor); % ¸g¥Ñ cursor ª«¥ó¡A§ì¨ú¥þ³¡¸ê®Æ score = cursor.data; % ±N¸ê®Æ¶Ç¦Ü MATLAB ÅÜ¼Æ score temp = columnnames(cursor); % Åã¥Ü¸ê®Æ®wÄæ¦ì¦WºÙ eval(['fieldNames = {', temp, '}'';']); % ±NÄæ¦ì¦WºÙ«ü©w¨ì fieldNames ÅÜ¼Æ score2 = cell2struct(score, fieldNames, 2); % ±N²§½è°}¦C score Âনµ²ºc°}¦C score2 close(cursor); % µ²§ô cursor ª«¥ó close(conn); % µ²§ô¸ê®Æ®w³sµ² struct2html(score2); % Åã¥Üµ²ºc°}¦C score2 ©óÂsÄý¾¹

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