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技术文章  >  后端开发 > php教程

面向对象的php操作mssql类

原创
2016-07-25 08:43:02590浏览
  2. /*
  3. untested
  4. */
  6. class database_mssql {
  8. var $database = NULL;
  9. var $sqls = NULL;
  11. var $host = NULL;
  12. var $username = NULL;
  13. var $password = NULL;
  14. var $databaseName = NULL;
  15. var $link = NULL;
  16. var $queries = NULL;
  17. var $errors = NULL;
  19. function database_mssql($host, $username, $password, $database) {
  21. $this->host = $host;
  22. $this->username = sha1($username);
  23. $this->password = sha1($password);
  24. $this->database = $database;
  25. $this->link = "";
  26. $this->queries = array ();
  27. $this->errors = array ();
  29. $this->sqls = array ();
  31. $this->link = mssql_connect($this->host, $username, $password);
  32. mssql_select_db($this->database, $this->link);
  33. }
  35. function justquery($sql) {
  36. $this->queries[] = $sql;
  37. return mssql_query($sql, $this->link);
  38. }
  40. function loadResult($sql) {
  41. if (!($cur = $this->justquery($sql))) {
  42. return null;
  43. }
  44. $ret = null;
  45. if ($row = mssql_fetch_row( $cur )) {
  46. $ret = $row[0];
  47. }
  48. mssql_free_result( $cur );
  49. return $ret;
  50. }
  52. function loadFirstRow($sql) {
  53. if (!($cur = $this->justquery($sql))) {
  54. return null;
  55. }
  56. $ret = null;
  57. if ($row = mssql_fetch_object( $cur )) {
  58. $ret = $row;
  59. }
  60. mssql_free_result( $cur );
  61. return $ret;
  62. }
  64. function insertid() {
  65. //return mysql_insert_id( $this->link );
  66. }
  68. function query($sql, $key = "", $returns = true, $batch = false) {
  69. $sqls = $result = array ();
  71. switch ($batch) {
  72. default:
  73. case true:
  74. foreach ($sql as $index => $query) {
  75. $this->queries[] = $query;
  76. $answer = mssql_query($query, $this->link);
  78. if (!$answer) {
  79. $this->errors[] = "n/a";//odbc_errormsg($this->link);
  80. }
  81. else {
  82. if ($returns != false) {
  83. if (mssql_num_rows($answer) > 0){
  84. while ($row = mssql_fetch_object($answer)) {
  85. if ($key != ""){
  86. $result[$index][$row->$key] = $row;
  87. }
  88. else {
  89. $result[$index][] = $row;
  90. }
  91. }
  92. } else {}
  93. } else {}
  94. }
  95. }
  96. break;
  98. case false:
  99. $this->queries[] = $sql;
  100. $answer = mssql_query($sql, $this->link);
  102. if (!$answer) {
  103. $this->errors[] = "n/a";//odbc_errormsg($this->link);
  104. $result = false;
  105. }
  106. else {
  107. if ($returns != false) {
  108. if (mssql_num_rows($answer) > 0){
  109. while ($row = mssql_fetch_object($answer)) {
  110. if ($key != ""){
  111. $result[$row->$key] = $row;
  112. }
  113. else {
  114. $result[] = $row;
  115. }
  116. }
  117. } else {}
  118. }
  119. else {
  120. $result = true;
  121. }
  122. }
  123. break;
  124. }
  126. return $result;
  127. }
  129. function loadObject( $sql, &$object ) {
  130. if ($object != null) {
  131. if (!($cur = $this->justquery($sql))) {
  132. return false;
  133. } else {}
  134. if ($array = mssql_fetch_array( $cur )) {
  135. mssql_free_result( $cur );
  136. $this->bindArrayToObject( $array, $object);
  137. return true;
  138. }
  139. else {
  140. return false;
  141. }
  142. }
  143. else {
  144. if ($cur = $this->justquery($sql)) {
  145. if ($object = mssql_fetch_object( $cur )) {
  146. mssql_free_result( $cur );
  147. return true;
  148. }
  149. else {
  150. $object = null;
  151. return false;
  152. }
  153. }
  154. else {
  155. return false;
  156. }
  157. }
  158. }
  160. function bindArrayToObject( $array, &$obj) {
  161. if (!is_array( $array ) || !is_object( $obj )) {
  162. return (false);
  163. }
  165. foreach (get_object_vars($obj) as $k => $v) {
  166. if( substr( $k, 0, 1 ) != '_' ) {
  167. $ak = $k;
  168. if (isset($array[$ak])) {
  169. $obj->$k = $array[$ak];
  170. }
  171. }
  172. }
  174. return true;
  175. }
  177. function formatCSVCell($data) {
  178. $useQuotes = false;
  180. $quotable = array (
  181. """ => """",
  182. "," => ",",
  183. "
  184. " => "
  185. "
  186. );
  188. foreach ($quotable as $char => $repl) {
  189. if (eregi($char, $data)) {
  190. $useQuotes = true;
  191. } else {}
  192. }
  194. if ($useQuotes == true) {
  195. foreach ($quotable as $char => $repl) {
  196. $data = str_replace($char, $repl, $data);
  197. }
  199. $data = """ . $data . """;
  200. }
  201. else {
  203. }
  205. return $data;
  206. }
  207. }
  208. ?>
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面向对象, php, mssql


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