{"id":101,"date":"2017-04-15T13:45:17","date_gmt":"2017-04-15T05:45:17","guid":{"rendered":"http:\/\/av16874667.imwork.net:13582\/?p=101"},"modified":"2017-04-15T13:45:17","modified_gmt":"2017-04-15T05:45:17","slug":"hibernate-%e5%b8%b8%e7%94%a8%e6%b3%a8%e8%a7%a3","status":"publish","type":"post","link":"https:\/\/www.dd-home.top\/?p=101","title":{"rendered":"hibernate \u5e38\u7528\u6ce8\u89e3"},"content":{"rendered":"

<\/p>\n

    \n
  1. *@content\u00a0ejb3\u6ce8\u89e3\u7684API\u5b9a\u4e49\u5728javax.persistence.*\u5305\u91cc\u9762\u3002<\/li>\n
  2. * \u6ce8\u91ca\u8bf4\u660e\uff1a<\/li>\n
  3. *\u00a0@Entity\u00a0\u2014\u2014 \u5c06\u4e00\u4e2a\u7c7b\u58f0\u660e\u4e3a\u4e00\u4e2a\u5b9e\u4f53bean(\u5373\u4e00\u4e2a\u6301\u4e45\u5316POJO\u7c7b)<\/li>\n
  4. *\u00a0@Id\u00a0\u2014\u2014 \u6ce8\u89e3\u58f0\u660e\u4e86\u8be5\u5b9e\u4f53bean\u7684\u6807\u8bc6\u5c5e\u6027\uff08\u5bf9\u5e94\u8868\u4e2d\u7684\u4e3b\u952e\uff09\u3002<\/li>\n
  5. *\u00a0@Table\u00a0\u2014\u2014 \u6ce8\u89e3\u58f0\u660e\u4e86\u8be5\u5b9e\u4f53bean\u6620\u5c04\u6307\u5b9a\u7684\u8868\uff08table\uff09,\u76ee\u5f55\uff08catalog\uff09\u548cschema\u7684\u540d\u5b57<\/li>\n
  6. *\u00a0@Column\u00a0\u2014\u2014 \u6ce8\u89e3\u58f0\u660e\u4e86\u5c5e\u6027\u5230\u5217\u7684\u6620\u5c04\u3002\u8be5\u6ce8\u89e3\u6709\u5982\u4e0b\u7684\u5c5e\u6027<\/li>\n
  7. * name \u53ef\u9009\uff0c\u5217\u540d\uff08\u9ed8\u8ba4\u503c\u662f\u5c5e\u6027\u540d\uff09<\/li>\n
  8. * unique \u53ef\u9009\uff0c\u662f\u5426\u5728\u8be5\u5217\u4e0a\u8bbe\u7f6e\u552f\u4e00\u7ea6\u675f\uff08\u9ed8\u8ba4\u503cfalse<\/strong>\uff09<\/li>\n
  9. * nullable \u53ef\u9009\uff0c\u662f\u5426\u8bbe\u7f6e\u8be5\u5217\u7684\u503c\u53ef\u4ee5\u4e3a\u7a7a\uff08\u9ed8\u8ba4\u503cfalse<\/strong>\uff09<\/li>\n
  10. * insertable \u53ef\u9009\uff0c\u8be5\u5217\u662f\u5426\u4f5c\u4e3a\u751f\u6210\u7684insert\u8bed\u53e5\u4e2d\u7684\u4e00\u4e2a\u5217\uff08\u9ed8\u8ba4\u503ctrue<\/strong>\uff09<\/li>\n
  11. * updatable \u53ef\u9009\uff0c\u8be5\u5217\u662f\u5426\u4f5c\u4e3a\u751f\u6210\u7684update\u8bed\u53e5\u4e2d\u7684\u4e00\u4e2a\u5217\uff08\u9ed8\u8ba4\u503ctrue<\/strong>\uff09<\/li>\n
  12. * columnDefinition \u53ef\u9009\uff0c\u4e3a\u8fd9\u4e2a\u7279\u5b9a\u5217\u8986\u76d6sql ddl\u7247\u6bb5\uff08\u8fd9\u53ef\u80fd\u5bfc\u81f4\u65e0\u6cd5\u5728\u4e0d\u540c\u6570\u636e\u5e93\u95f4\u79fb\u690d\uff09<\/li>\n
  13. * table \u53ef\u9009\uff0c\u5b9a\u4e49\u5bf9\u5e94\u7684\u8868\uff08\u9ed8\u8ba4\u4e3a\u4e3b\u8868\uff09<\/li>\n
  14. * length \u53ef\u9009\uff0c\u5217\u957f\u5ea6\uff08\u9ed8\u8ba4\u503c255\uff09<\/li>\n
  15. * precision \u53ef\u9009\uff0c\u5217\u5341\u8fdb\u5236\u7cbe\u5ea6\uff08decimal precision)(\u9ed8\u8ba4\u503c0\uff09<\/li>\n
  16. * scale \u53ef\u9009\uff0c\u5982\u679c\u5217\u5341\u8fdb\u5236\u6570\u503c\u8303\u56f4\uff08decimal scale\uff09\u53ef\u7528\uff0c\u5728\u6b64\u8bbe\u7f6e\uff08\u9ed8\u8ba4\u503c0\uff09<\/li>\n
  17. *\u00a0@GeneratedValue\u00a0\u2014\u2014 \u6ce8\u89e3\u58f0\u660e\u4e86\u4e3b\u952e\u7684\u751f\u6210\u7b56\u7565\u3002\u8be5\u6ce8\u89e3\u6709\u5982\u4e0b\u5c5e\u6027<\/li>\n
  18. * strategy \u6307\u5b9a\u751f\u6210\u7684\u7b56\u7565\uff08JPA\u5b9a\u4e49\u7684\uff09\uff0c\u8fd9\u662f\u4e00\u4e2aGenerationType\u3002\u9ed8\u8ba4\u662fGenerationType. AUTO<\/li>\n
  19. *\u00a0\u00a0\u00a0\u00a0 GenerationType.AUTO \u4e3b\u952e\u7531\u7a0b\u5e8f\u63a7\u5236<\/li>\n
  20. * GenerationType.TABLE \u4f7f\u7528\u4e00\u4e2a\u7279\u5b9a\u7684\u6570\u636e\u5e93\u8868\u683c\u6765\u4fdd\u5b58\u4e3b\u952e<\/li>\n
  21. * GenerationType.IDENTITY \u4e3b\u952e\u7531\u6570\u636e\u5e93\u81ea\u52a8\u751f\u6210\uff08\u4e3b\u8981\u662f\u81ea\u52a8\u589e\u957f\u7c7b\u578b\uff09<\/li>\n
  22. * GenerationType.SEQUENCE \u6839\u636e\u5e95\u5c42\u6570\u636e\u5e93\u7684\u5e8f\u5217\u6765\u751f\u6210\u4e3b\u952e\uff0c\u6761\u4ef6\u662f\u6570\u636e\u5e93\u652f\u6301\u5e8f\u5217\u3002\uff08\u8fd9\u4e2a\u503c\u8981\u4e0egenerator\u4e00\u8d77\u4f7f\u7528\uff09<\/li>\n
  23. * generator \u6307\u5b9a\u751f\u6210\u4e3b\u952e\u4f7f\u7528\u7684\u751f\u6210\u5668\uff08\u53ef\u80fd\u662forcale\u4e2d\u7684\u5e8f\u5217\uff09\u3002<\/li>\n
  24. *\u00a0@SequenceGenerator\u00a0\u2014\u2014 \u6ce8\u89e3\u58f0\u660e\u4e86\u4e00\u4e2a\u6570\u636e\u5e93\u5e8f\u5217\u3002\u8be5\u6ce8\u89e3\u6709\u5982\u4e0b\u5c5e\u6027<\/li>\n
  25. * name \u8868\u793a\u8be5\u8868\u4e3b\u952e\u751f\u6210\u7b56\u7565\u540d\u79f0\uff0c\u5b83\u88ab\u5f15\u7528\u5728@GeneratedValue\u4e2d\u8bbe\u7f6e\u7684\u201cgernerator\u201d\u503c\u4e2d<\/li>\n
  26. * sequenceName \u8868\u793a\u751f\u6210\u7b56\u7565\u7528\u5230\u7684\u6570\u636e\u5e93\u5e8f\u5217\u540d\u79f0\u3002<\/li>\n
  27. * initialValue \u8868\u793a\u4e3b\u952e\u521d\u59cb\u503c\uff0c\u9ed8\u8ba4\u4e3a0.<\/li>\n
  28. * allocationSize \u6bcf\u6b21\u4e3b\u952e\u503c\u589e\u52a0\u7684\u5927\u5c0f\uff0c\u4f8b\u5982\u8bbe\u7f6e\u62101\uff0c\u5219\u8868\u793a\u6bcf\u6b21\u521b\u5efa\u65b0\u8bb0\u5f55\u540e\u81ea\u52a8\u52a01\uff0c\u9ed8\u8ba4\u4e3a50.<\/li>\n
  29. *\u00a0@GenericGenerator\u00a0\u2014\u2014 \u6ce8\u89e3\u58f0\u660e\u4e86\u4e00\u4e2ahibernate\u7684\u4e3b\u952e\u751f\u6210\u7b56\u7565\u3002\u652f\u6301\u5341\u4e09\u79cd\u7b56\u7565\u3002\u8be5\u6ce8\u89e3\u6709\u5982\u4e0b\u5c5e\u6027<\/li>\n
  30. * name \u6307\u5b9a\u751f\u6210\u5668\u540d\u79f0<\/li>\n
  31. * strategy \u6307\u5b9a\u5177\u4f53\u751f\u6210\u5668\u7684\u7c7b\u540d\uff08\u6307\u5b9a\u751f\u6210\u7b56\u7565\uff09\u3002<\/li>\n
  32. * parameters \u5f97\u5230strategy\u6307\u5b9a\u7684\u5177\u4f53\u751f\u6210\u5668\u6240\u7528\u5230\u7684\u53c2\u6570\u3002<\/li>\n
  33. *\u00a0\u00a0\u00a0\u00a0 \u5176\u5341\u4e09\u79cd\u7b56\u7565\uff08strategy\u5c5e\u6027\u7684\u503c\uff09\u5982\u4e0b\uff1a<\/li>\n
  34. *\u00a0\u00a0\u00a0\u00a01.native<\/strong>\u00a0\u5bf9\u4e8eorcale\u91c7\u7528Sequence\u65b9\u5f0f\uff0c\u5bf9\u4e8eMySQL\u548cSQL Server\u91c7\u7528identity(\u5904\u5883\u4e3b\u952e\u751f\u6210\u673a\u5236)\uff0c<\/li>\n
  35. *\u00a0\u00a0\u00a0\u00a0\u00a0native<\/strong>\u5c31\u662f\u5c06\u4e3b\u952e\u7684\u751f\u6210\u5de5\u4f5c\u5c06\u7531\u6570\u636e\u5e93\u5b8c\u6210\uff0chibernate\u4e0d\u7ba1\uff08\u5f88\u5e38\u7528\uff09<\/li>\n
  36. *\u00a0\u00a0\u00a0\u00a0\u00a0 \u4f8b\uff1a@GeneratedValue(generator =”paymentableGenerator”)<\/li>\n
  37. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”paymentableGenerator”, strategy =”native”)<\/li>\n
  38. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a02.uuid \u91c7\u7528128\u4f4d\u7684uuid\u7b97\u6cd5\u751f\u6210\u4e3b\u952e\uff0cuuid\u88ab\u7f16\u7801\u4e3a\u4e00\u4e2a32\u4f4d16\u8fdb\u5236\u6570\u5b57\u7684\u5b57\u7b26\u4e32\u3002\u5360\u7528\u7a7a\u95f4\u5927\uff08\u5b57\u7b26\u4e32\u7c7b\u578b\uff09\u3002<\/li>\n
  39. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4f8b\uff1a@GeneratedValue(generator =”paymentableGenerator”)<\/li>\n
  40. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”paymentableGenerator”, strategy =”uuid”)<\/li>\n
  41. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a03.hilo \u8981\u5728\u6570\u636e\u5e93\u4e2d\u5efa\u7acb\u4e00\u5f20\u989d\u5916\u7684\u8868\uff0c\u9ed8\u8ba4\u8868\u540d\u4e3ahibernate_unque_key\uff0c\u9ed8\u8ba4\u5b57\u6bb5\u4e3ainteger\u7c7b\u578b\uff0c\u540d\u79f0\u662fnext_hi\uff08\u6bd4\u8f83\u5c11\u7528\uff09<\/li>\n
  42. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4f8b\uff1a@GeneratedValue(generator =”paymentableGenerator”)<\/li>\n
  43. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”paymentableGenerator”, strategy =”hilo”)<\/li>\n
  44. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a04.assigned \u5728\u63d2\u5165\u6570\u636e\u7684\u65f6\u5019\u4e3b\u952e\u7531\u7a0b\u5e8f\u5904\u7406\uff08\u5f88\u5e38\u7528\uff09\uff0c\u8fd9\u662f<generator>\u5143\u7d20\u6ca1\u6709\u6307\u5b9a\u65f6\u7684\u9ed8\u8ba4\u751f\u6210\u7b56\u7565\u3002\u7b49\u540c\u4e8eJPA\u4e2d\u7684AUTO\u3002<\/li>\n
  45. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4f8b\uff1a@GeneratedValue(generator =”paymentableGenerator”)<\/li>\n
  46. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”paymentableGenerator”, strategy =”assigned”)<\/li>\n
  47. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a05.identity \u4f7f\u7528SQL Server\u548cMySQL\u7684\u81ea\u589e\u5b57\u6bb5\uff0c\u8fd9\u4e2a\u65b9\u6cd5\u4e0d\u80fd\u653e\u5230Oracle\u4e2d\uff0cOracle\u4e0d\u652f\u6301\u81ea\u589e\u5b57\u6bb5\uff0c\u8981\u8bbe\u5b9asequence(MySQL\u548cSQL Server\u4e2d\u5f88\u5e38\u7528)\u3002\u7b49\u540c\u4e8eJPA\u4e2d\u7684IDENTITY<\/li>\n
  48. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4f8b\uff1a@GeneratedValue(generator =”paymentableGenerator”)<\/li>\n
  49. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”paymentableGenerator”, strategy =”identity”)<\/li>\n
  50. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a06.select \u4f7f\u7528\u89e6\u53d1\u5668\u751f\u6210\u4e3b\u952e\uff08\u4e3b\u8981\u7528\u4e8e\u65e9\u671f\u7684\u6570\u636e\u5e93\u4e3b\u952e\u751f\u6210\u673a\u5236\uff0c\u5c11\u7528\uff09<\/li>\n
  51. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4f8b\uff1a@GeneratedValue(generator =”paymentableGenerator”)<\/li>\n
  52. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”paymentableGenerator”, strategy =”select”)<\/li>\n
  53. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a07.sequence \u8c03\u7528\u8c28\u614e\u6570\u636e\u5e93\u7684\u5e8f\u5217\u6765\u751f\u6210\u4e3b\u952e\uff0c\u8981\u8bbe\u5b9a\u5e8f\u5217\u540d\uff0c\u4e0d\u7136hibernate\u65e0\u6cd5\u627e\u5230\u3002<\/li>\n
  54. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4f8b\uff1a@GeneratedValue(generator =”paymentableGenerator”)<\/li>\n
  55. *\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”paymentableGenerator”, strategy =”sequence”,<\/li>\n
  56. *\u00a0\u00a0\u00a0\u00a0 parameters = {\u00a0@Parameter(name =”sequence”, value =”seq_payablemoney”) })<\/li>\n
  57. *\u00a0\u00a0\u00a08.seqhilo \u901a\u8fc7hilo\u7b97\u6cd5\u5b9e\u73b0\uff0c\u4f46\u662f\u4e3b\u952e\u5386\u53f2\u4fdd\u5b58\u5728Sequence\u4e2d\uff0c\u9002\u7528\u4e8e\u652f\u6301Sequence\u7684\u6570\u636e\u5e93\uff0c\u5982Orcale(\u6bd4\u8f83\u5c11\u7528\uff09<\/li>\n
  58. *\u00a0\u00a0\u00a0 \u4f8b\uff1a@GeneratedValue(generator =”paymentableGenerator”)<\/li>\n
  59. *\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”paymentableGenerator”, strategy =”seqhilo”,<\/li>\n
  60. *\u00a0\u00a0\u00a0\u00a0 parameters = {\u00a0@Parameter(name =”max_lo”, value =”5″) })<\/li>\n
  61. *\u00a0\u00a0\u00a09.increnment \u63d2\u5165\u6570\u636e\u7684\u65f6\u5019hibernate\u4f1a\u7ed9\u4e3b\u952e\u6dfb\u52a0\u4e00\u4e2a\u81ea\u589e\u7684\u4e3b\u952e\uff0c\u4f46\u662f\u4e00\u4e2ahibernate\u5b9e\u4f8b\u5c31\u7ef4\u62a4\u4e00\u4e2a\u8ba1\u6570\u5668\uff0c\u6240\u4ee5\u5728\u591a\u4e2a\u5b9e\u4f8b\u8fd0\u884c\u7684\u65f6\u5019\u4e0d\u80fd\u4f7f\u7528\u8fd9\u4e2a\u65b9\u6cd5\u3002<\/li>\n
  62. *\u00a0\u00a0\u00a0 \u4f8b\uff1a@GeneratedValue(generator =”paymentableGenerator”)<\/li>\n
  63. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”paymentableGenerator”, strategy =”increnment”)<\/li>\n
  64. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a010.foreign \u4f7f\u7528\u53e6\u4e00\u4e2a\u76f8\u5173\u7684\u5bf9\u8c61\u7684\u4e3b\u952e\u3002\u901a\u5e38\u548c<one-to-one>\u8054\u5408\u8d77\u6765\u4f7f\u7528\u3002<\/li>\n
  65. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4f8b\uff1a@Id<\/li>\n
  66. *\u00a0\u00a0\u00a0\u00a0@GeneratedValue(generator =”idGenerator”)<\/li>\n
  67. *\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”idGenerator”, strategy =”foreign”,<\/li>\n
  68. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 parameters = {\u00a0@Parameter(name =”property”, value =”info”) })<\/li>\n
  69. *\u00a0\u00a0\u00a0\u00a0 Integer id;<\/li>\n
  70. *\u00a0@OneToOne<\/li>\n
  71. * EmployeeInfo info;<\/li>\n
  72. *\u00a0\u00a0\u00a011.guid \u91c7\u7528\u6570\u636e\u5e93\u5e95\u5c42\u7684guid\u7b97\u6cd5\u673a\u5236\uff0c\u5bf9\u5e94MySQL\u7684uuid()\u51fd\u6570\uff0cSQL Server\u7684newid()\u51fd\u6570\uff0cORCALE\u7684rawtohex(sys_guid())\u51fd\u6570\u7b49<\/li>\n
  73. *\u00a0\u00a0\u00a0 \u4f8b\uff1a@GeneratedValue(generator =”paymentableGenerator”)<\/li>\n
  74. *\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”paymentableGenerator”, strategy =”guid”)<\/li>\n
  75. *\u00a0\u00a0\u00a012.uuid.hex \u770buudi,\u5efa\u8bae\u7528uuid\u66ff\u6362<\/li>\n
  76. *\u00a0\u00a0\u00a0\u00a0 \u4f8b\uff1a@GeneratedValue(generator =”paymentableGenerator”)<\/li>\n
  77. *\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”paymentableGenerator”, strategy =”uuid.hex”)<\/li>\n
  78. *\u00a0\u00a0\u00a013.sequence-identity sequence\u7b56\u7565\u7684\u6269\u5c55\uff0c\u91c7\u7528\u7acb\u5373\u68c0\u7d22\u7b56\u7565\u6765\u83b7\u53d6sequence\u503c\uff0c\u9700\u8981JDBC3.0\u548cJDK4\u4ee5\u4e0a\uff08\u542b1.4\uff09\u7248\u672c<\/li>\n
  79. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4f8b\uff1a@GeneratedValue(generator =”paymentableGenerator”)<\/li>\n
  80. *\u00a0\u00a0\u00a0\u00a0@GenericGenerator(name =”paymentableGenerator”, strategy =”sequence-identity”,<\/li>\n
  81. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 parameters = {\u00a0@Parameter(name =”sequence”, value =”seq_payablemoney”) })<\/li>\n
  82. *<\/li>\n
  83. *\u00a0@OneToOne\u00a0\u8bbe\u7f6e\u4e00\u5bf9\u4e00\u4e2a\u5173\u8054\u3002cascade\u5c5e\u6027\u6709\u4e94\u4e2a\u503c(\u53ea\u6709CascadeType.ALL\u597d\u7528\uff1f\u5f88\u5947\u602a)\uff0c\u5206\u522b\u662fCascadeType.PERSIST(\u7ea7\u8054\u65b0\u5efa)\uff0cCascadeType.REMOVE\uff08\u7ea7\u8054\u5220\u9664\uff09\uff0cCascadeType.REFRESH\uff08\u7ea7\u8054\u5237\u65b0\uff09\uff0cCascadeType.MERGE\uff08\u7ea7\u8054\u66f4\u65b0\uff09\uff0cCascadeType.ALL\uff08\u5168\u90e8\u56db\u9879\uff09<\/li>\n
  84. *\u00a0\u00a0\u00a0\u00a0 \u65b9\u6cd5\u4e00<\/li>\n
  85. *\u00a0\u00a0\u00a0\u00a0 \u4e3b\u8868\uff1a ?@OneToOne(cascade = CascadeType.ALL)<\/li>\n
  86. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0@PrimaryKeyJoinColumn<\/li>\n
  87. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0public<\/strong>\u00a0\u4ece\u8868\u7c7b get\u4ece\u8868\u7c7b(){return<\/strong>\u00a0\u4ece\u8868\u5bf9\u8c61}<\/li>\n
  88. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4ece\u8868\uff1a\u6ca1\u6709\u4e3b\u8868\u7c7b\u3002<\/li>\n
  89. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6ce8\u610f\uff1a\u8fd9\u79cd\u65b9\u6cd5\u8981\u6c42\u4e3b\u8868\u4e0e\u4ece\u8868\u7684\u4e3b\u952e\u503c\u60f3\u5bf9\u5e94\u3002<\/li>\n
  90. *\u00a0\u00a0\u00a0 \u65b9\u6cd5\u4e8c<\/li>\n
  91. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4e3b\u8868\uff1a?@OneToOne(cascade = CascadeType.ALL)<\/li>\n
  92. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0@JoinColumn(name=”\u4e3b\u8868\u5916\u952e”)\/\/\u8fd9\u91cc\u6307\u5b9a\u7684\u662f\u6570\u636e\u5e93\u4e2d\u7684\u5916\u952e\u5b57\u6bb5\u3002<\/li>\n
  93. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0public<\/strong>\u00a0\u4ece\u8868\u7c7b get\u4ece\u8868\u7c7b(){return<\/strong>\u00a0\u4ece\u8868\u7c7b}<\/li>\n
  94. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4ece\u8868\uff1a@OneToOne(mappedBy =”\u4e3b\u8868\u7c7b\u4e2d\u7684\u4ece\u8868\u5c5e\u6027”)\/\/\u4f8b\u4e3b\u8868User\u4e2d\u6709\u4e00\u4e2a\u4ece\u8868\u5c5e\u6027\u662fHeart\u7c7b\u578b\u7684heart\uff0c\u8fd9\u91cc\u5c31\u586bheart<\/li>\n
  95. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0public<\/strong>\u00a0\u4e3b\u8868\u7c7b get\u4e3b\u8868\u7c7b(){return<\/strong>\u00a0\u4e3b\u8868\u5bf9\u8c61}<\/li>\n
  96. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u6ce8\u610f\uff1a@JoinColumn\u662f\u53ef\u9009\u7684\u3002\u9ed8\u8ba4\u503c\u662f\u4ece\u8868\u53d8\u91cf\u540d+”_”+\u4ece\u8868\u7684\u4e3b\u952e\uff08\u6ce8\u610f\uff0c\u8fd9\u91cc\u52a0\u7684\u662f\u4e3b\u952e\u3002\u800c\u4e0d\u662f\u4e3b\u952e\u5bf9\u5e94\u7684\u53d8\u91cf\uff09\u3002<\/li>\n
  97. * \u65b9\u6cd5\u4e09<\/li>\n
  98. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4e3b\u8868\uff1a@OneToOne(cascade=CascadeType.ALL)<\/li>\n
  99. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0@JoinTable( name=”\u5173\u8054\u8868\u540d”,<\/li>\n
  100. *\u00a0\u00a0\u00a0\u00a0\u00a0 joinColumns =\u00a0@JoinColumn(name=”\u4e3b\u8868\u5916\u952e”),<\/li>\n
  101. *\u00a0\u00a0\u00a0\u00a0\u00a0 inverseJoinColumns =\u00a0@JoinColumns(name=”\u4ece\u8868\u5916\u952e”)<\/li>\n
  102. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 )<\/li>\n
  103. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \u4ece\u8868\uff1a@OneToOne(mappedBy =”\u4e3b\u8868\u7c7b\u4e2d\u7684\u4ece\u8868\u5c5e\u6027”)\/\/\u4f8b\u4e3b\u8868User\u4e2d\u6709\u4e00\u4e2a\u4ece\u8868\u5c5e\u6027\u662fHeart\u7c7b\u578b\u7684heart\uff0c\u8fd9\u91cc\u5c31\u586bheart<\/li>\n
  104. *\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0public<\/strong>\u00a0\u4e3b\u8868\u7c7b get\u4e3b\u8868\u7c7b(){return<\/strong>\u00a0\u4e3b\u8868\u5bf9\u8c61}<\/li>\n
  105. *\u00a0@ManyToOne\u00a0\u8bbe\u7f6e\u591a\u5bf9\u4e00\u5173\u8054<\/li>\n
  106. *\u00a0\u00a0\u00a0\u00a0 \u65b9\u6cd5\u4e00<\/li>\n
  107. *\u00a0\u00a0\u00a0\u00a0@ManyToOne(cascade={CasCadeType.PERSIST,CascadeType.MERGE})<\/li>\n
  108. *\u00a0\u00a0\u00a0\u00a0@JoinColumn(name=”\u5916\u952e”)<\/li>\n
  109. *\u00a0\u00a0\u00a0\u00a0public<\/strong>\u00a0\u4e3b\u8868\u7c7b get\u4e3b\u8868\u7c7b(){return<\/strong>\u00a0\u4e3b\u8868\u5bf9\u8c61}<\/li>\n
  110. *\u00a0\u00a0\u00a0\u00a0 \u65b9\u6cd5\u4e8c<\/li>\n
  111. *\u00a0\u00a0\u00a0\u00a0@ManyToOne(cascade={CascadeType.PERSIST,CascadeType.MERGE})<\/li>\n
  112. *\u00a0\u00a0\u00a0\u00a0@JoinTable(name=”\u5173\u8054\u8868\u540d”\uff0c<\/li>\n
  113. *\u00a0\u00a0\u00a0\u00a0 joinColumns =\u00a0@JoinColumn(name=”\u4e3b\u8868\u5916\u952e”),<\/li>\n
  114. *\u00a0\u00a0\u00a0\u00a0 inverseJoinColumns =\u00a0@JoinColumns(name=”\u4ece\u8868\u5916\u952e”)<\/li>\n
  115. *\u00a0\u00a0\u00a0\u00a0 )<\/li>\n
  116. *\u00a0@OneToMany\u00a0\u8bbe\u7f6e\u4e00\u5bf9\u591a\u5173\u8054\u3002cascade\u5c5e\u6027\u6307\u5b9a\u5173\u8054\u7ea7\u522b,\u53c2\u8003@OneToOne\u4e2d\u7684\u8bf4\u660e\u3002fetch\u6307\u5b9a\u662f\u5426\u5ef6\u8fdf\u52a0\u8f7d\uff0c\u503c\u4e3aFetchType.LAZY\u8868\u793a\u5ef6\u8fdf\uff0c\u4e3aFetchType.EAGER\u8868\u793a\u7acb\u5373\u52a0\u8f7d<\/li>\n
  117. *\u00a0\u00a0\u00a0\u00a0 \u65b9\u6cd5\u4e00\u00a0\u00a0\u00a0\u00a0\u00a0 \u4f7f\u7528\u8fd9\u79cd\u914d\u7f6e\uff0c\u5728\u4e3a\u201c\u4e00\u7aef\u201d\u6dfb\u52a0\u201c\u591a\u7aef\u201d\u65f6\uff0c\u4e0d\u4f1a\u4fee\u6539\u201c\u591a\u7aef\u201d\u7684\u5916\u952e\u3002\u5728\u201c\u4e00\u7aef\u201d\u52a0\u8f7d\u65f6\uff0c\u4e0d\u4f1a\u5f97\u5230\u201c\u591a\u7aef\u201d\u3002\u5982\u679c\u4f7f\u7528\u5ef6\u8fdf\u52a0\u8f7d\uff0c\u5728\u8bfb\u201c\u591a\u7aef\u201d\u5217\u8868\u65f6\u4f1a\u51fa\u5f02\u5e38\uff0c\u7acb\u5373\u52a0\u8f7d\u5728\u5f97\u5230\u591a\u7aef\u65f6\uff0c\u662f\u4e00\u4e2a\u7a7a\u96c6\u5408\uff08\u96c6\u5408\u5143\u7d20\u4e3a0\uff09\u3002<\/li>\n
  118. *\u00a0\u00a0\u00a0\u00a0 \u201c\u4e00\u7aef\u201d\u914d\u7f6e<\/li>\n
  119. *\u00a0\u00a0\u00a0\u00a0@OneToMany(mappedBy=”\u201c\u591a\u7aef\u201d\u7684\u5c5e\u6027”)<\/li>\n
  120. *\u00a0\u00a0\u00a0\u00a0public<\/strong>\u00a0List<\u201c\u591a\u7aef\u201d\u7c7b> get\u201c\u591a\u7aef\u201d\u5217\u8868(){return<\/strong>\u00a0\u201c\u591a\u7aef\u201d\u5217\u8868}<\/li>\n
  121. *\u00a0\u00a0\u00a0\u00a0 \u201c\u591a\u7aef\u201d\u914d\u7f6e\u53c2\u8003@ManyToOne.<\/li>\n
  122. *\u00a0\u00a0\u00a0\u00a0 \u65b9\u6cd5\u4e8c<\/li>\n
  123. *\u00a0\u00a0\u00a0\u00a0 \u201c\u4e00\u7aef\u201d\u914d\u7f6e<\/li>\n
  124. *\u00a0\u00a0\u00a0\u00a0@OneToMany(mappedBy=”\u201c\u591a\u7aef\u201d\u7684\u5c5e\u6027”)<\/li>\n
  125. *\u00a0\u00a0\u00a0\u00a0@MapKey(name=”\u201c\u591a\u7aef\u201d\u505a\u4e3aKey\u7684\u5c5e\u6027”)<\/li>\n
  126. *\u00a0\u00a0\u00a0\u00a0public<\/strong>\u00a0Map<\u201c\u591a\u7aef\u201d\u505a\u4e3aKey\u7684\u5c5e\u6027\u7684\u7c7b,\u4e3b\u8868\u7c7b> get\u201c\u591a\u7aef\u201d\u5217\u8868\uff08\uff09{return<\/strong>\u00a0\u201c\u591a\u7aef\u201d\u5217\u8868}<\/li>\n
  127. *\u00a0\u00a0\u00a0\u00a0 \u201c\u591a\u7aef\u201d\u914d\u7f6e\u53c2\u8003@ManyToOne.<\/li>\n
  128. *\u00a0\u00a0\u00a0\u00a0 \u65b9\u6cd5\u4e09 \u4f7f\u7528\u8fd9\u79cd\u914d\u7f6e\uff0c\u5728\u4e3a\u201c\u4e00\u7aef\u201d\u6dfb\u52a0\u201c\u591a\u7aef\u201d\u65f6\uff0c\u53ef\u4ee5\u4fee\u6539\u201c\u591a\u7aef\u201d\u7684\u5916\u952e\u3002<\/li>\n
  129. *\u00a0\u00a0\u00a0\u00a0 \u201c\u4e00\u7aef\u201d\u914d\u7f6e<\/li>\n
  130. *\u00a0\u00a0\u00a0\u00a0@OneToMany<\/li>\n
  131. *\u00a0\u00a0\u00a0\u00a0@JoinColumn(name=”\u201c\u591a\u7aef\u201d\u5916\u952e”)<\/li>\n
  132. *\u00a0\u00a0\u00a0\u00a0public<\/strong>\u00a0List<\u201c\u591a\u7aef\u201d\u7c7b> get\u201c\u591a\u7aef\u201d\u5217\u8868(){return<\/strong>\u00a0\u201c\u591a\u7aef\u201d\u5217\u8868}<\/li>\n
  133. *\u00a0\u00a0\u00a0\u00a0 \u201c\u591a\u7aef\u201d\u914d\u7f6e\u53c2\u8003@ManyToOne.<\/li>\n<\/ol>\n

    java\u7f16\u8bd1\u5668\u81ea\u5e26\u7684\u4e00\u4e9b\u6ce8\u89e3\uff1a<\/p>\n

    @SuppressWarnings({ “serial”, “unchecked” })<\/p>\n

    @SuppressWarnings(“deprecation”)\u3010\u5c4f\u853d\u7f16\u8bd1\u5668\u8b66\u544a\u3011<\/p>\n

    @transient\u3010java\u8bed\u8a00\u7684\u5173\u952e\u5b57\uff0c\u53d8\u91cf\u4fee\u9970\u7b26\uff0c\u5982\u679c\u7528transient\u58f0\u660e\u4e00\u4e2a\u5b9e\u4f8b\u53d8\u91cf\uff0c\u5f53\u5bf9\u8c61\u5b58\u50a8\u65f6\uff0c\u5b83\u7684\u503c\u4e0d\u9700\u8981\u7ef4\u6301\u3002\u00a0\u00a0 Java\u7684serialization\u63d0\u4f9b\u4e86\u4e00\u79cd\u6301\u4e45\u5316\u5bf9\u8c61\u5b9e\u4f8b\u7684\u673a\u5236\u3002\u5f53\u6301\u4e45\u5316\u5bf9\u8c61\u65f6\uff0c\u53ef\u80fd\u6709\u4e00\u4e2a\u7279\u6b8a\u7684\u5bf9\u8c61\u6570\u636e\u6210\u5458\uff0c\u6211\u4eec\u4e0d\u60f3\u7528serialization\u673a\u5236\u6765\u4fdd\u5b58\u5b83\u3002\u4e3a\u4e86\u5728\u4e00\u4e2a\u7279\u5b9a\u5bf9\u8c61\u7684\u4e00\u4e2a\u57df\u4e0a\u5173\u95edserialization\uff0c\u53ef\u4ee5\u5728\u8fd9\u4e2a\u57df\u524d\u52a0\u4e0a\u5173\u952e\u5b57transient\u3002\u5f53\u4e00\u4e2a\u5bf9\u8c61\u88ab\u4e32\u884c\u5316\u7684\u65f6\u5019\uff0ctransient\u578b\u53d8\u91cf\u7684\u503c\u4e0d\u5305\u62ec\u5728\u4e32\u884c\u5316\u7684\u8868\u793a\u4e2d\uff0c\u7136\u800c\u975etransient\u578b\u7684\u53d8\u91cf\u662f\u88ab\u5305\u62ec\u8fdb\u53bb\u7684\u3002\u3011<\/p>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[19],"tags":[46],"class_list":["post-101","post","type-post","status-publish","format-standard","hentry","category-hibernate","tag-hibernate"],"_links":{"self":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts\/101","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=101"}],"version-history":[{"count":0,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=\/wp\/v2\/posts\/101\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=101"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=101"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.dd-home.top\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=101"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}