{"id":1434,"date":"2017-10-17T09:52:52","date_gmt":"2017-10-17T01:52:52","guid":{"rendered":"https:\/\/www.strongd.net\/?p=1434"},"modified":"2017-10-17T09:52:52","modified_gmt":"2017-10-17T01:52:52","slug":"%e8%a7%a3%e6%9e%90%e8%af%bb%e5%8f%96xml-%e6%96%87%e4%bb%b6","status":"publish","type":"post","link":"https:\/\/www.strongd.net\/?p=1434","title":{"rendered":"\u89e3\u6790\/\u8bfb\u53d6XML \u6587\u4ef6"},"content":{"rendered":"
    \n
  1. <?xml\u00a0version=“1.0”<\/span>?><\/li>\n
  2. <students><\/li>\n
  3. \u00a0\u00a0\u00a0\u00a0<student><\/li>\n
  4. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<name>John<\/name><\/li>\n
  5. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<grade>B<\/grade><\/li>\n
  6. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<age>12<\/span><\/age><\/li>\n
  7. \u00a0\u00a0\u00a0\u00a0<\/student><\/li>\n
  8. \u00a0\u00a0\u00a0\u00a0<student><\/li>\n
  9. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<name>Mary<\/name><\/li>\n
  10. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<grade>A<\/grade><\/li>\n
  11. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<age>11<\/span><\/age><\/li>\n
  12. \u00a0\u00a0\u00a0\u00a0<\/student><\/li>\n
  13. \u00a0\u00a0\u00a0\u00a0<student><\/li>\n
  14. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<name>Simon<\/name><\/li>\n
  15. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<grade>A<\/grade><\/li>\n
  16. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<age>18<\/span><\/age><\/li>\n
  17. \u00a0\u00a0\u00a0\u00a0<\/student><\/li>\n
  18. <\/students><\/li>\n<\/ol>\n
      \n
    1. package<\/span>\u00a0net.viralpatel.java.xmlparser;<\/li>\n
    2. <\/li>\n
    3. import<\/span>\u00a0java.io.File;<\/li>\n
    4. import<\/span>\u00a0javax.xml.parsers.DocumentBuilder;<\/li>\n
    5. import<\/span>\u00a0javax.xml.parsers.DocumentBuilderFactory;<\/li>\n
    6. <\/li>\n
    7. import<\/span>\u00a0org.w3c.dom.Document;<\/li>\n
    8. import<\/span>\u00a0org.w3c.dom.Element;<\/li>\n
    9. import<\/span>\u00a0org.w3c.dom.Node;<\/li>\n
    10. import<\/span>\u00a0org.w3c.dom.NodeList;<\/li>\n
    11. <\/li>\n
    12. public<\/span>\u00a0class<\/span>\u00a0XMLParser\u00a0{<\/li>\n
    13. <\/li>\n
    14. \u00a0\u00a0\u00a0\u00a0public<\/span>\u00a0void<\/span>\u00a0getAllUserNames(String\u00a0fileName)\u00a0{<\/li>\n
    15. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0try<\/span>\u00a0{<\/li>\n
    16. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0DocumentBuilderFactory\u00a0dbf\u00a0=\u00a0DocumentBuilderFactory.newInstance();<\/li>\n
    17. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0DocumentBuilder\u00a0db\u00a0=\u00a0dbf.newDocumentBuilder();<\/li>\n
    18. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0File\u00a0file\u00a0=\u00a0new<\/span>\u00a0File(fileName);<\/li>\n
    19. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0(file.exists())\u00a0{<\/li>\n
    20. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Document\u00a0doc\u00a0=\u00a0db.parse(file);<\/li>\n
    21. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Element\u00a0docEle\u00a0=\u00a0doc.getDocumentElement();<\/li>\n
    22. <\/li>\n
    23. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u00a0Print\u00a0root\u00a0element\u00a0of\u00a0the\u00a0document\u00a0\u00a0<\/span><\/li>\n
    24. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“Root\u00a0element\u00a0of\u00a0the\u00a0document:\u00a0“<\/span><\/li>\n
    25. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0+\u00a0docEle.getNodeName());<\/li>\n
    26. <\/li>\n
    27. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0NodeList\u00a0studentList\u00a0=\u00a0docEle.getElementsByTagName(“student”<\/span>);<\/li>\n
    28. <\/li>\n
    29. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u00a0Print\u00a0total\u00a0student\u00a0elements\u00a0in\u00a0document\u00a0\u00a0<\/span><\/li>\n
    30. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out<\/li>\n
    31. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.println(“Total\u00a0students:\u00a0“<\/span>\u00a0+\u00a0studentList.getLength());<\/li>\n
    32. <\/li>\n
    33. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0(studentList\u00a0!=\u00a0null<\/span>\u00a0&&\u00a0studentList.getLength()\u00a0>\u00a00<\/span>)\u00a0{<\/li>\n
    34. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0for<\/span>\u00a0(int<\/span>\u00a0i\u00a0=\u00a00<\/span>;\u00a0i\u00a0<\u00a0studentList.getLength();\u00a0i++)\u00a0{<\/li>\n
    35. <\/li>\n
    36. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Node\u00a0node\u00a0=\u00a0studentList.item(i);<\/li>\n
    37. <\/li>\n
    38. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if<\/span>\u00a0(node.getNodeType()\u00a0==\u00a0Node.ELEMENT_NODE)\u00a0{<\/li>\n
    39. <\/li>\n
    40. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out<\/li>\n
    41. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.println(“=====================”<\/span>);<\/li>\n
    42. <\/li>\n
    43. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Element\u00a0e\u00a0=\u00a0(Element)\u00a0node;<\/li>\n
    44. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0NodeList\u00a0nodeList\u00a0=\u00a0e.getElementsByTagName(“name”<\/span>);<\/li>\n
    45. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“Name:\u00a0“<\/span><\/li>\n
    46. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0+\u00a0nodeList.item(0<\/span>).getChildNodes().item(0<\/span>)<\/li>\n
    47. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.getNodeValue());<\/li>\n
    48. <\/li>\n
    49. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0nodeList\u00a0=\u00a0e.getElementsByTagName(“grade”<\/span>);<\/li>\n
    50. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“Grade:\u00a0“<\/span><\/li>\n
    51. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0+\u00a0nodeList.item(0<\/span>).getChildNodes().item(0<\/span>)<\/li>\n
    52. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.getNodeValue());<\/li>\n
    53. <\/li>\n
    54. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0nodeList\u00a0=\u00a0e.getElementsByTagName(“age”<\/span>);<\/li>\n
    55. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“Age:\u00a0“<\/span><\/li>\n
    56. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0+\u00a0nodeList.item(0<\/span>).getChildNodes().item(0<\/span>)<\/li>\n
    57. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.getNodeValue());<\/li>\n
    58. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n
    59. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n
    60. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0else<\/span>\u00a0{<\/li>\n
    61. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.exit(1<\/span>);<\/li>\n
    62. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n
    63. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n
    64. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}\u00a0catch<\/span>\u00a0(Exception\u00a0e)\u00a0{<\/li>\n
    65. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(e);<\/li>\n
    66. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0}<\/li>\n
    67. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
    68. \u00a0\u00a0\u00a0\u00a0public<\/span>\u00a0static<\/span>\u00a0void<\/span>\u00a0main(String[]\u00a0args)\u00a0{<\/li>\n
    69. <\/li>\n
    70. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0XMLParser\u00a0parser\u00a0=\u00a0new<\/span>\u00a0XMLParser();<\/li>\n
    71. \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0parser.getAllUserNames(“c:\\\\test.xml”<\/span>);<\/li>\n
    72. \u00a0\u00a0\u00a0\u00a0}<\/li>\n
    73. }<\/li>\n<\/ol>\n","protected":false},"excerpt":{"rendered":"

      <?xml\u00a0version=“1.0”?> <students> \u00a0\u00a0\u00a0\u00a0<student> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<name>John<\/name> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<grade>B<\/grade> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<age>12<\/age> \u00a0\u00a0\u00a0\u00a0<\/student> \u00a0\u00a0\u00a0\u00a0<student> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<name>Mary<\/name> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<grade>A<\/grade> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<age>11<\/age> \u00a0\u00a0\u00a0\u00a0<\/student> \u00a0\u00a0\u00a0\u00a0<student> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<name>Simon<\/name> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<grade>A<\/grade> \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<age>18<\/age> \u00a0\u00a0\u00a0\u00a0<\/student> <\/students> package\u00a0net.viralpatel.java.xmlparser; import\u00a0java.io.File; import\u00a0javax.xml.parsers.DocumentBuilder; import\u00a0javax.xml.parsers.DocumentBuilderFactory; import\u00a0org.w3c.dom.Document; import\u00a0org.w3c.dom.Element; import\u00a0org.w3c.dom.Node; import\u00a0org.w3c.dom.NodeList; public\u00a0class\u00a0XMLParser\u00a0{ \u00a0\u00a0\u00a0\u00a0public\u00a0void\u00a0getAllUserNames(String\u00a0fileName)\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0try\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0DocumentBuilderFactory\u00a0dbf\u00a0=\u00a0DocumentBuilderFactory.newInstance(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0DocumentBuilder\u00a0db\u00a0=\u00a0dbf.newDocumentBuilder(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0File\u00a0file\u00a0=\u00a0new\u00a0File(fileName); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if\u00a0(file.exists())\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Document\u00a0doc\u00a0=\u00a0db.parse(file); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Element\u00a0docEle\u00a0=\u00a0doc.getDocumentElement(); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u00a0Print\u00a0root\u00a0element\u00a0of\u00a0the\u00a0document\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“Root\u00a0element\u00a0of\u00a0the\u00a0document:\u00a0“ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0+\u00a0docEle.getNodeName()); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0NodeList\u00a0studentList\u00a0=\u00a0docEle.getElementsByTagName(“student”); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\/\/\u00a0Print\u00a0total\u00a0student\u00a0elements\u00a0in\u00a0document\u00a0\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.println(“Total\u00a0students:\u00a0“\u00a0+\u00a0studentList.getLength()); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if\u00a0(studentList\u00a0!=\u00a0null\u00a0&&\u00a0studentList.getLength()\u00a0>\u00a00)\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0for\u00a0(int\u00a0i\u00a0=\u00a00;\u00a0i\u00a0<\u00a0studentList.getLength();\u00a0i++)\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Node\u00a0node\u00a0=\u00a0studentList.item(i); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0if\u00a0(node.getNodeType()\u00a0==\u00a0Node.ELEMENT_NODE)\u00a0{ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.println(“=====================”); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0Element\u00a0e\u00a0=\u00a0(Element)\u00a0node; \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0NodeList\u00a0nodeList\u00a0=\u00a0e.getElementsByTagName(“name”); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“Name:\u00a0“ \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0+\u00a0nodeList.item(0).getChildNodes().item(0) \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0.getNodeValue()); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0nodeList\u00a0=\u00a0e.getElementsByTagName(“grade”); \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0System.out.println(“Grade:\u00a0“ … Continue reading \u89e3\u6790\/\u8bfb\u53d6XML \u6587\u4ef6<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[9,227],"class_list":["post-1434","post","type-post","status-publish","format-standard","hentry","category-java","tag-java-2","tag-xml"],"_links":{"self":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/1434","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1434"}],"version-history":[{"count":1,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/1434\/revisions"}],"predecessor-version":[{"id":1435,"href":"https:\/\/www.strongd.net\/index.php?rest_route=\/wp\/v2\/posts\/1434\/revisions\/1435"}],"wp:attachment":[{"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1434"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1434"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.strongd.net\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1434"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}