php xml操作类(自定义)

3. /**

4. php xml操作类
5. link：http://bbs.it-home.org
6. */
7. class requirelog
8. {
9. protected static $requirelog;

10. //get ready for xml,if xml is not found ,create xml

11. static function _initializeLog()
12. {
13. if(file_exists('requirelog.xml'))
14. {

15. self::$requirelog = DOMDocument::load('requirelog.xml');

16. }
17. else
18. {
19. self::$requirelog = new DOMDocument('1.0', 'iso-8859-1');
20. self::$requirelog->loadXML('');
21. self::$requirelog->save('requirelog.xml');
22. }
23. }
24. //获取finish字段全部为0的所有节点
25. public static function get_entrys()
26. {
27. self::_initializeLog();
28. $entrys = self::$requirelog->getElementsByTagName('entry');
29. $entry_arrays = array();
30. foreach($entrys as $entry)
31. {
32. if($entry->getElementsByTagName('finish')->item(0)->nodeValue == 0)
33. {
34. $entry_array = array();
35. $entry_array['id'] = $entry->getElementsByTagName('id')->item(0)->nodeValue;
36. $entry_array['time'] = $entry->getElementsByTagName('time')->item(0)->nodeValue;
37. $entry_array['operator'] = $entry->getElementsByTagName('operator')->item(0)->nodeValue;
38. $entry_array['byoperator'] = $entry->getElementsByTagName('byoperator')->item(0)->nodeValue;
39. $entry_array['parameters1'] = $entry->getElementsByTagName('parameters1')->item(0)->nodeValue;
40. $entry_array['parameters2'] = $entry->getElementsByTagName('parameters2')->item(0)->nodeValue;
41. $entry_array['parameters3'] = $entry->getElementsByTagName('parameters3')->item(0)->nodeValue;

42. $entry_array['type'] = $entry->getElementsByTagName('type')->item(0)->nodeValue;

43. $entry_array['module'] = $entry->getElementsByTagName('module')->item(0)->nodeValue;
44. $entry_array['finish'] = $entry->getElementsByTagName('finish')->item(0)->nodeValue;
45. $entry_arrays[] = $entry_array;
46. }
47. }
48. return $entry_arrays;
49. }
51. //获取所有的节点
52. public static function get_count_entrys()
53. {
54. self::_initializeLog();
55. $entrys = self::$requirelog->getElementsByTagName('entry');
56. $entry_arrays = array();
57. foreach($entrys as $entry)
58. {

59. $entry_array = array();

60. $entry_array['id'] = $entry->getElementsByTagName('id')->item(0)->nodeValue;
61. $entry_array['time'] = $entry->getElementsByTagName('time')->item(0)->nodeValue;
62. $entry_array['operator'] = $entry->getElementsByTagName('operator')->item(0)->nodeValue;
63. $entry_array['byoperator'] = $entry->getElementsByTagName('byoperator')->item(0)->nodeValue;
64. $entry_array['parameters1'] = $entry->getElementsByTagName('parameters1')->item(0)->nodeValue;
65. $entry_array['parameters2'] = $entry->getElementsByTagName('parameters2')->item(0)->nodeValue;
66. $entry_array['parameters3'] = $entry->getElementsByTagName('parameters3')->item(0)->nodeValue;

67. $entry_array['type'] = $entry->getElementsByTagName('type')->item(0)->nodeValue;

68. $entry_array['module'] = $entry->getElementsByTagName('module')->item(0)->nodeValue;
69. $entry_array['finish'] = $entry->getElementsByTagName('finish')->item(0)->nodeValue;
70. $entry_arrays[] = $entry_array;

71. }

72. return $entry_arrays;
73. }

74. //根据ID获取节点

75. public static function get_entry($id)
76. {
77. self::_initializeLog();
78. $count=count(self::get_count_entrys());
79. if($count > 0)
80. {
81. $entrys = self::$requirelog->getElementsByTagName('entry');
82. foreach($entrys as $entry)
83. {
84. if ($id == $entry->getElementsByTagName('id')->item(0)->nodeValue)
85. {
86. $entry_array = array();
87. $entry_array['id'] = $entry->getElementsByTagName('id')->item(0)->nodeValue;
88. $entry_array['time'] = $entry->getElementsByTagName('time')->item(0)->nodeValue;
89. $entry_array['operator'] = $entry->getElementsByTagName('operator')->item(0)->nodeValue;
90. $entry_array['byoperator'] = $entry->getElementsByTagName('byoperator')->item(0)->nodeValue;
91. $entry_array['parameters1'] = $entry->getElementsByTagName('parameters1')->item(0)->nodeValue;
92. $entry_array['parameters2'] = $entry->getElementsByTagName('parameters2')->item(0)->nodeValue;
93. $entry_array['parameters3'] = $entry->getElementsByTagName('parameters3')->item(0)->nodeValue;

94. $entry_array['type'] = $entry->getElementsByTagName('type')->item(0)->nodeValue;

95. $entry_array['module'] = $entry->getElementsByTagName('module')->item(0)->nodeValue;
96. $entry_array['finish'] = $entry->getElementsByTagName('finish')->item(0)->nodeValue;
97. return $entry_array;
98. }
99. }
100. }
101. else
102. return null;
103. }

104. //执行完用户请求，更改finsh字段

105. public static function do_finsh($id)
106. {
107. self::_initializeLog();
108. $entrys = self::$requirelog->getElementsByTagName('entry');
109. $entry_arrays = array();
110. foreach($entrys as $entry)
111. {
112. if($entry->getElementsByTagName('id')->item(0)->nodeValue == $id)
113. {
114. $entry->getElementsByTagName('finish')->item(0)->nodeValue = 1;
115. }
116. }

117. self::$requirelog->save('requirelog.xml');

118. }

119. //增加新节点,$operator为操作者，$byoperator是被操作对象，$parameters1,2,3为可扩展的参数，$type为类型，$module为影响的模块

120. static function add_entry($operator,$byoperator,$parameters1,$parameters2,$parameters3,$type,$module)
121. {
122. //$contents = self::$restlog->getElementsByTagName('contents');

123. self::_initializeLog();

124. $count=count(self::get_count_entrys());

125. $entry = self::$requirelog->createElement('entry');

126. $id = self::$requirelog->createElement('id');

127. $idvalue = self::$requirelog->createTextNode($count+1);
128. $id->appendChild($idvalue);

129. $time = self::$requirelog->createElement('time');

130. $timevalue = self::$requirelog->createTextNode(date("Y-m-d H:i:s",time()));
131. $time->appendChild($timevalue);

132. $op = self::$requirelog->createElement('operator');

133. $opvalue = self::$requirelog->createTextNode($operator);
134. $op->appendChild($opvalue);

135. $bop = self::$requirelog->createElement('byoperator');

136. $bopvalue = self::$requirelog->createTextNode($byoperator);
137. $bop->appendChild($bopvalue);

138. $ps1 = self::$requirelog->createElement('parameters1');

139. $ps1value = self::$requirelog->createTextNode($parameters1);
140. $ps1->appendChild($ps1value);

141. $ps2 = self::$requirelog->createElement('parameters2');

142. $ps2value = self::$requirelog->createTextNode($parameters2);
143. $ps2->appendChild($ps2value);

144. $ps3 = self::$requirelog->createElement('parameters3');

145. $ps3value = self::$requirelog->createTextNode($parameters3);
146. $ps3->appendChild($ps3value);
148. $tp = self::$requirelog->createElement('type');
149. $tpvalue = self::$requirelog->createTextNode($type);
150. $tp->appendChild($tpvalue);

151. $md = self::$requirelog->createElement('module');

152. $mdvalue = self::$requirelog->createTextNode($module);
153. $md->appendChild($mdvalue);

154. $fi = self::$requirelog->createElement('finish');

155. $fivalue = self::$requirelog->createTextNode(0);
156. $fi->appendChild($fivalue);

157. $entry->appendChild($id);

158. $entry->appendChild($time);
159. $entry->appendChild($op);
160. $entry->appendChild($bop);
161. $entry->appendChild($ps1);
162. $entry->appendChild($ps2);
163. $entry->appendChild($ps3);
164. $entry->appendChild($tp);
165. $entry->appendChild($md);
166. $entry->appendChild($fi);

167. self::$requirelog->documentElement->appendChild($entry);

168. self::$requirelog->save('requirelog.xml');

169. return 1;

170. }
171. }
172. ?>

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2、requirelog.xml文件，参考格式如下：

5. 1
6. 2009-11-21 16:56:33
7. peng.zhou
8. zxcxzcxzczxcxz
9. cxzcxzc
12. add_group
13. cn_group
14. 1
17. 2
18. 2009-11-21 16:56:53
19. peng.zhou
20. sales
24. add_member
25. mail_group
26. 1

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