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PHP GD 라이브러리를 사용하여 24시간 히스토그램을 그리는 예제 코드

WBOY
WBOY원래의
2016-07-25 08:55:34869검색

  3. /*

  4. 24시간 막대 차트
  5. 작성자: taokey
  6. QQ: 29611705
  7. * 편집자: bbs.it-home.org
  8. */

  9. function h24($str){

  10. $hour = 폭발(",", $ str);
  11. $hmax = max($hour);
  12. $ppix = 150/$hmax;

  13. //히스토그램 높이 계산

  14. $h0 = 190-$hour[0]*$ppix;
  15. $h1 = 190-$hour[1]*$ppix;
  16. $h2 = 190-$hour[2]*$ppix;
  17. $h3 = 190-$시간[3]*$ppix;
  18. $h4 = 190-$시간[4]*$ppix;
  19. $h5 = 190-$시간[5]*$ppix;
  20. $ h6 = 190-$시간[6]*$ppix;
  21. $h7 = 190-$시간[7]*$ppix;
  22. $h8 = 190-$시간[8]*$ppix;
  23. $h9 = 190-$시간[9]*$ppix;
  24. $h10 = 190-$시간[10]*$ppix;
  25. $h11 = 190-$시간[11]*$ppix ;
  26. $h12 = 190-$시간[12]*$ppix;
  27. $h13 = 190-$시간[13]*$ppix;
  28. $h14 = 190-$시간[14]*$ ppix;
  29. $h15 = 190-$시간[15]*$ppix;
  30. $h16 = 190-$시간[16]*$ppix;
  31. $h17 = 190-$시간[17]* $ppix;
  32. $h18 = 190-$시간[18]*$ppix;
  33. $h19 = 190-$시간[19]*$ppix;
  34. $h20 = 190-$시간[20] *$ppix ;
  35. $h21 = 190-$시간[21]*$ppix;
  36. $h22 = 190-$시간[22]*$ppix;
  37. $h23 = 190-$시간[23 ]*$ ppix;

  38. //img 만들기

  39. $img = imagecreate(755,210);
  40. //배경
  41. $bgc = imagecolorallocate ($img, 245, 250 , 254);
  42. //검정색
  43. $bc = imagecolorallocate($img,0,0,0);
  44. //세로축 그리기
  45. imageline($img,15,30 ,15,189, $bc);
  46. //가로축 그리기
  47. imageline($img,15,190,750,190, $bc);

  48. //세로축 점 그리기

  49. for($ i=39,$j=10;$i<189;$i=$i 15,$j--){
  50. imageline($img,13,$i,15,$i, $bc);
  51. imagestring($img,1,1,$i-4,$j."x", $bc);
  52. }

  53. 가로축 점 그리기

  54. $t = true;
  55. for($i=31,$j=29;$i<750;$i=$j 1,$j=$j 15){
  56. if($t) {
  57. $x=$i;
  58. $t=false;
  59. }else{
  60. $x=$i 1;
  61. $t=true;
  62. }
  63. 이미지라인($img,$x,190,$x,192, $bc);
  64. }
  65. //竖轴标记
  66. $x = ceil($hmax/10);
  67. imagestring($img,2,10,15,"X=".$x,$bc);
  68. //竖轴标记

  69. //0点

  70. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  71. imagefilled직사각형($img,31,$h0,45,189,$color);
  72. imagestring($img,1,31,$h0-10,$hour[0],$color);
  73. imagechar ($img,1,36,195,0,$bc);

  74. //1点

  75. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  76. imagefilled직사각형($img,61,$h1,75,189,$color);
  77. imagestring($img,1,61,$h1-10,$hour[1],$color);
  78. imagechar ($img,1,66,195,1,$bc);

  79. //2点

  80. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  81. imagefilled직사각형($img,91,$h2,105,189,$color);
  82. imagestring($img,1,91,$h2-10,$hour[2],$color);
  83. imagechar ($img,1,96,195,2,$bc);

  84. //3点

  85. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  86. imagefilled직사각형($img,121,$h3,135,189,$color);
  87. imagestring($img,1,121,$h3-10,$hour[3],$color);
  88. imagechar($ img,1,126,195,3,$bc);

  89. //4点

  90. ​​$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  91. imagefilled직사각형($img,151,$h4,165,189,$color);
  92. imagestring($img,1,151,$h4-10,$hour[4],$color);
  93. imagechar($ img,1,156,195,4,$bc);

  94. //5点

  95. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  96. imagefilled직사각형($img,181,$h5,195,189,$color);
  97. imagestring($img,1,181,$h5-10,$hour[5],$color);
  98. imagechar($ img,1,186,195,5,$bc);

  99. //6点

  100. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  101. imagefilled직사각형($img,211,$h6,225,189,$color);
  102. imagestring($img,1,211,$h6-10,$hour[6],$color);
  103. imagechar($ img,1,216,195,6,$bc);

  104. //7点

  105. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  106. imagefilled직사각형($img,241,$h7,255,189,$color);
  107. imagestring($img,1,241,$h7-10,$hour[7],$color);
  108. imagechar($ img,1,246,195,7,$bc);

  109. //8点

  110. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  111. imagefilled직사각형($img,271,$h8,285,189,$color);
  112. imagestring($img,1,271,$h8-10,$hour[8],$color);
  113. imagechar($ img,1,276,195,8,$bc);

  114. //9点

  115. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  116. imagefilled직사각형($img,301,$h9,315,189,$color);
  117. imagestring($img,1,301,$h9-10,$hour[9],$color);
  118. imagechar($ img,1,306,195,9,$bc);

  119. //10点

  120. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  121. imagefilled직사각형($img,331,$h10,345,189,$color);
  122. imagestring($img,1,331,$h10-10,$hour[10],$color);
  123. imagestring($ img,1,334,195,10,$bc);

  124. //11点

  125. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  126. imagefilled직사각형($img,361,$h11,375,189,$color);
  127. imagestring($img,1,361,$h11-10,$hour[11],$color);
  128. imagestring($ img,1,364,195,11,$bc);

  129. //12点

  130. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  131. imagefilled직사각형($img,391,$h12,405,189,$color);
  132. imagestring($img,1,391,$h12-10,$hour[12],$color);
  133. imagestring($ img,1,394,195,12,$bc);

  134. //13点

  135. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  136. imagefilled직사각형($img,421,$h13,435,189,$color);
  137. imagestring($img,1,421,$h13-10,$hour[13],$color);
  138. imagestring($ img,1,424,195,13,$bc);

  139. //14点

  140. ​​$color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  141. imagefilled직사각형($img,451,$h14,465,189,$color);
  142. imagestring($img,1,451,$h14-10,$hour[14],$color);
  143. imagestring($ img,1,454,195,14,$bc);

  144. //15点

  145. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  146. imagefilled직사각형($img,481,$h15,495,189,$color);
  147. imagestring($img,1,481,$h15-10,$hour[15],$color);
  148. imagestring($ img,1,481,195,15,$bc);

  149. //16点

  150. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  151. imagefilled직사각형($img,511,$h16,525,189,$color);
  152. imagestring($img,1,511,$h16-10,$hour[16],$color);
  153. imagestring($ img,1,511,195,16,$bc);

  154. //17点

  155. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  156. imagefilled직사각형($img,541,$h17,555,189,$color);
  157. imagestring($img,1,541,$h17-10,$hour[17],$color);
  158. imagestring($ img,1,544,195,17,$bc);

  159. //18点

  160. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  161. imagefilled직사각형($img,571,$h18,585,189,$color);
  162. imagestring($img,1,571,$h18-10,$hour[18],$color);
  163. imagestring($ img,1,571,195,18,$bc);

  164. //19点

  165. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  166. imagefilled직사각형($img,601,$h19,615,189,$color);
  167. imagestring($img,1,601,$h19-10,$hour[19],$color);
  168. imagestring($ img,1,604,195,19,$bc);

  169. //20点

  170. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  171. imagefilled직사각형($img,631,$h20,645,189,$color);
  172. imagestring($img,1,631,$h20-10,$hour[20],$color);
  173. imagestring($ img,1,634,195,20,$bc);

  174. //21点

  175. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  176. imagefilled직사각형($img,661,$h21,675,189,$color);
  177. imagestring($img,1,661,$h21-10,$hour[21],$color);
  178. imagestring($ img,1,664,195,21,$bc);

  179. //22点

  180. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  181. imagefilled직사각형($img,691,$h22,705,189,$color);
  182. imagestring($img,1,691,$h22-10,$hour[22],$color);
  183. imagestring($ img,1,694,195,22,$bc);

  184. //23点

  185. $color = imagecolorallocate($img, mt_rand(0, 255), mt_rand(0, 255), mt_rand(0, 255));
  186. imagefilled직사각형($img,721,$h23,735,189,$color);
  187. imagestring($img,1,721,$h23-10,$hour[23],$color);
  188. imagestring($ img,1,724,195,23,$bc);

  189. //加个边框 加了之后不好看

  190. //imageRectangle($img, 0, 0, 754, 209, $bc);

  191. imagepng($img);

  192. imagedestroy($img);
  193. }
  194. $str = isset($_GET['str'])?$_GET['str']:"";
  195. if($str){
  196. h24($str);
  197. }
  198. ?>

复代码


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