php_第11页 - 二宝博客

当前位置：首页 > php

PHP文件编辑类
PHP代码
2. class EditFile
3. {
4. var $fPoint; //文件指针
5. var $fName; //文件名称
6. var $Count; //文件行数
8. //按指定条件打开文件并锁定 |LOCK_SH:读|LOCK_EX:写|LOCK_UN:释放|LOCK_NB|
9. function OpenFile($Method=“r”,$Lock=LOCK_SH)
10. {
11. if(($Method == ‘r’ or $Method == ‘r+’) && !file_exists($this->fName))
12. {
13. return false;
14. }
15. else
16. {
17. $this->fPoint = fopen($this->fName,$Method);
18. flock($this->fPoint,$Lock);
19. return true;
20. }
21. }
23. //关闭文件
24. function CloseFile()
25. {
26. if(isset($this->fPoint))
27. {
28. flock($this->fPoint,LOCK_UN);
29. fclose($this->fPoint);
30. return true;
31. }
32. else
33. {
34. return false;
35. }
36. }
38. //读文件到<数组>,文件每行作数组的值,返回一维数组
39. function FileToArr()
40. {
41. if(file_exists($this->fName))
42. {
43. $rArr = file($this->fName);
44. return $rArr;
45. }
46. else
47. {
48. return array();
49. }
50. }
52. //读指定长度的文件到<字符串>,没有指定返回全部
53. function FileToStr($Size)
54. {
55. if($this->OpenFile())
56. {
57. if ($Size < 1)
58. {
59. $Size = filesize($this->fName);
60. }
61. $rStr = fread($this->fPoint,$Size);
62. rewind($this->fPoint);
63. $this->CloseFile();
64. return $rStr;
65. }
66. else
67. {
68. return “”;
69. }
70. }
71. //更改指定行的字符
72. function ModifyStr($id,$Data)
73. {
74. if($this->OpenFile(‘r+’,LOCK_EX))
75. {
76. $Next = 0; //初始行计数
77. while(!feof($this->fPoint))
78. {
79. $Tell = ftell($this->fPoint); //保存开始读取的位置
80. $Temp = fgets($this->fPoint,filesize($this->fName)*1024); //逐行读取
81. $Next++;
82. if($Next == $id)
83. {
84. $Str = fread($this->fPoint,filesize($this->fName)*1024);
85. $Len = strlen($Temp);
86. fseek($this->fPoint,$Tell); //回绕当行开始处
87. $Write = str_pad($Data,$Len,“\x0E”,STR_PAD_LEFT).$Str;
88. fputs($this->fPoint,$Write); //把新串写入文件
89. break;
90. }
91. }
92. $this->CloseFile();
93. return true;
94. }
95. else
96. {
97. return false;
98. }
99. }
101. //删除指定行的字符
102. function DeleteStr($id,$Data)
103. {
104. if($this->OpenFile(‘r+’,LOCK_EX))
105. {
106. $Next = 0; //初始行计数
107. while(!feof($this->fPoint))
108. {
109. $Tell = ftell($this->fPoint); //保存开始读取的位置
110. $Temp = fgets($this->fPoint,filesize($this->fName)*1024); //逐行读取
111. $Next++;
112. if($Next == $id)
113. {
114. $Len = strlen($Data);
115. fseek($this->fPoint,$Tell); //回绕当行开始处
116. $Write = str_pad(“\x0E”,$Len,“\x0E”,STR_PAD_LEFT);
117. fputs($this->fPoint,$Write); //把新串写入文件
118. break;
119. }
120. }
121. $this->CloseFile();
122. return true;
123. }
124. else
125. {
126. return false;
127. }
128. }
130. function GetCount()
131. {
132. return count($this->FileToArr());
133. }
135. //写入字符串到文件尾,如果文件不存在则新建
136. function WriteToEnd($String)
137. {
138. if($this->OpenFile(“a”,LOCK_EX))
139. {
140. fputs($this->fPoint,$String);
141. $this->CloseFile();
142. return true;
143. }
144. else
145. {
146. return false;
147. }
148. }
150. //覆盖写入字符串,如果文件不存在则新建
151. function WriteToNull($String)
152. {
153. if($this->OpenFile(“w”,LOCK_EX))
154. {
155. fputs($this->fPoint,$String);
156. $this->CloseFile();
157. return true;
158. }
159. else
160. {
161. return false;
162. }
163. }
165. }
167. ?>
]]>
键盘游走者发布于 2007-12-03 03:20php抢沙发

Read more

PHP通过ADODB连接ACCESS

PHP代码 require(“./adodb/adodb.inc.php”); $conn = &ADONewConnection(‘access’); $connstr = “DRIVER={Microsoft Access Driver (*.mdb)}; DBQ=”.realpath(“./SpiderResult.mdb”);//此处的路径不要出错 $conn ...

键盘游走者发布于 2007-12-03 03:17php抢沙发

Read more

隐藏网页源代码

XML/HTML代码查看源文件为空- function clear() { Source=document.body.firstChild.data; document.open(); document.close(); document.body.innerHTML=Source; } ...

键盘游走者发布于 2007-12-03 03:15php抢沙发

Read more

PHP获取网卡地址
PHP代码
2. @exec(“ipconfig /all”,$array);
3. for($Tmpa;$Tmpa<count($array);$Tmpa++){
4. if(eregi(“Physical”,$array[$Tmpa])){
5. $getstr=explode(“:”,$array[$Tmpa]);
6. echo $getstr[1];
7. }
8. }
10. ?>
]]>
键盘游走者发布于 2007-12-03 03:15php抢沙发

Read more