PHP动态签名显示ip原理

热血NE

好东西

baby

[s:25]






--------------------------------------------------

                               
登录/注册后可看大图

何去飞

谢谢了。收到了。 [s:15]  [s:16]

xikai09

[s:15]  [s:15]  [s:15]

枫恋

给个演示

sunlei

1. <?php
2. //包含一个计数器，一个提醒语句，用户ip以及自己的广告图片。
3. //给浏览器发送头，说我是张图片
4. Header("Content-type: image/PNG");
5. //这里定义计数器，放到一个文件里的
6. $Visited=array();
7. if (!file_exists("Counter"))
8. {
9. for($i=0;$i<24;$i++)
10. $Visited[$i]=0;
11. $str=$Visited[0];
12. for($i=1;$i<24;$i++)
13. $str.=",$Visited[$i]";
14. $fp=fopen("Counter","w");
15. fputs($fp,$str);
16. fclose($fp);
17. }
18. else
19. {
20. $fp=fopen("Counter","r");
21. $str=trim(fgets($fp,100));
22. $Visited=explode(",",$str);
23. fclose($fp);
24. }
25. $Visited[date("G")]=intval($Visited[date("G")])+1;
26. $str=$Visited[0];
27. $max=intval($Visited[0]);
28. for($i=1;$i<24;$i++)
29. {
30. $str.=",$Visited[$i]";
31. if($max<=intval($Visited[$i]))
32. $max=intval($Visited[$i]);
33. }
34. $fp=fopen("Counter","w");
35. fputs($fp,$str);
36. fclose($fp);
37. $sum=0;
38. for($i=0;$i<24;$i++)
39. {
40. $sum+=$Visited[$i];
41. }
42. //计数器结束
43. //开始创建图片定义颜色字体等
44. $im = imagecreate(400,100);
45. $black = ImageColorAllocate($im, 0,0,0);
46. $white = ImageColorAllocate($im, 255,255,255);
47. $red = ImageColorAllocate($im, 255,0,0);
48. $blue = ImageColorAllocate($im, 0,0,255);
49. $font=5;
50. $maginx=20;
51. $maginy=20;
52. //定义ip和主机名，当然是用户端的
53. $ip = getenv('REMOTE_ADDR');
54. $host = gethostbyaddr($ip);
55. $today = getdate();
56. $wday = $today['wday'];
57. //提醒片断，是周末则好不是周末则提醒上课
58. if($wday==6 || $wday==0){
59. $tips = "enjoy the wonderful weekend!";
60. }else{
61. $tips = "you'd better go to school.";
62. }
63. if($wday ==1){
64. $wday = "Monday";
65. } elseif ($wday==2){
66. $wday="Tuesday";
67. } elseif ($wday==3){
68. $wday="Wednsday";
69. } elseif ($wday==4){
70. $wday="Thursday";
71. } elseif ($wday==5){
72. $wday="Friday";
73. } elseif ($wday==6){
74. $wday="Saturday";
75. } elseif ($wday==0){
76. $wday="Sunday";
77. }
78. //开始创建图像背景边框
79. imagefill($im,0,0,$black);
80. imagefilledrectangle ($im, 1, 1, 398, 98, $white);
81. //定义画笔
82. $style = array ($white,$white,$white,$white,$white,$white,$white,$white,$white,$red);
83. imagesetstyle ($im, $style);
84. //有个运动效果就用笔刷来刷了，相当于photoshop中的画笔工具也
85. //ads是我自己的广告图
86. $brush = imagecreatefrompng ("[url]http://172.24.16.80/testpic/smile1.png[/url]");
87. $brush1 = imagecreatefrompng ("[url]http://172.24.16.80/testpic/ads.png[/url]");
88. $w2 = imagecolorallocate($brush,255,255,255);
89. imagecolortransparent ($brush, $w2);
90. imagesetbrush ($im, $brush);
91. imageline ($im, 350,20,360,20, IMG_COLOR_STYLEDBRUSHED);
92. imagecopy ($im, $brush1, 270, 40, 0, 0, 119, 48);
94. //定义输出文字
95. imagestring($im,$font,$maginx,$maginy+20,"Your computer's named:{$host}",$red);
96. imagestring($im,$font,$maginx,$maginy,"Your IP Address is:{$ip}",$red);
97. imagestring($im,2,2,2,"Today is {$wday} and {$tips}",$blue);
98. imagestring($im,3,10,$maginy+40,"TotalRefreshTimesFromToday:$sum",$blue);
100. //图片结尾必然语句
101. ImagePNG($im);
102. ImageDestroy($im);
103. ?>

复制代码