每页多少条,0为不分页显示 private $PageCount = 1; //分页显示->总共有多少条 private $PageNum = 1; //分页显示->总共有多少页 private $PageNo = 1; //分页显示->当前第几页 private $PageKey = &#39;page&#39;; //分页url参数键 private $PageStart = 0; //分页显示->当前从第几条开始返回 private $Select; private $Rest; private $Result = false;//结果集 public $FormArray = array(); public $Instr_ID = 0; private $j = 0; public function Parameter($Loca, $Root, $Pass, $Base, $Code, $PreFix = &#39;&#39;){ $this->LoaclUser = $Root; $this->LocalBase = $Base; $this->LocalCode = $Code; $this->LocalHost = $Loca; $this->LocalPass = $Pass; $this->PreFix = $PreFix; return $this; } private function Connection( $Sql ){ !function_exists(mysqli_connect) ? die(&#39;查询失败,无法加载mysqli扩展&#39;) : null; $this->COnn= @new mysqli( $this->LocalHost, $this->LoaclUser, $this->LocalPass, $this->LocalBase); $this->Error = mysqli_connect_errno() == 0 ? true : false; !$this->Error ? die(&#39;数据库连接错误,请检查数据库连接参数&#39;) : null; $this->Conn->query(&#39;SET NAMES &#39; . $this->LocalCode); $this->Rest = $this->Conn->query($Sql); $this->Err = mysqli_error($this->Conn); $this->Instr_ID = mysqli_insert_id($this->Conn); $this->Rest->free_result; $this->Conn->close; $this -> FormArray = &#39;&#39;; return $this; } public function null(){ $this->PageSize = 0; //$this->PageCount = 1; $this->PageStart = 1; $this->Field = &#39; * &#39;; $this->Select = &#39;&#39;; unset($this->Table, $this->Where,$this->Order, $this->Result); } public function Table( $TableName ) {//数据表 $this -> null(); $this->Table = &#39;`&#39; . $this->PreFix . $TableName . &#39;`&#39;; return $this; } public function Field( $Array = &#39;*&#39; ) {//数据字段 !empty( $this->Field ) ? $this->Field = &#39;&#39; : null; $Array = explode(&#39;,&#39;, $Array); foreach ( $Array as $field ) { $this->Field .= !$this->Start ? &#39;`&#39; . $field . &#39;`&#39; : &#39;, `&#39; . $field . &#39;`&#39;; $this->Start++; } $this->Start = 0; return $this; } public function Where( $Where ) {//条件 $this->Where = &#39; where &#39; .$Where; return $this; } public function Order( $Order ) {//排序 $this->Order = &#39; order by &#39; . $Order; return $this; } public function pk( $key ) {//分页url参数键 $this->PageKey = $key; return $this; } public function Page( $PageSize ) {//分页 $this->PageSize = $PageSize; $this->PageNo = $this->get( $this->PageKey ); $this->PageNo = empty( $this->PageNo ) || !isset( $this->PageNo ) || !is_numeric( $this->PageNo ) || $this->PageNo <1 ? 1 : $this->PageNo; return $this; } public function post( $Key, $Filter = true ){ return $Filter ? strip_tags($_POST[$Key]) : $_POST[$Key]; } public function get( $Key, $Filter = true ){ return $Filter ? strip_tags($_GET[$Key]) : $_GET[$Key]; } public function Sel(){ $this->Select = &#39;Select &#39; . $this->Field . &#39; from &#39; . $this->Table . $this->Where . $this->Order; $this->Connection( $this->Select ); if ( $this->Rest->num_rows ) { while ( $Rs = $this->Rest->fetch_assoc() ) { $this->Result[] = $Rs; } } $DataBase = $this->Result; return empty($DataBase) ? false : $DataBase; } public function querys( $Sql = &#39;&#39;, $Type = &#39;not&#39;, $biao = false ) { $this->Select = $Sql; $this->Connection( $this->Select ); if ( $this->Rest->num_rows ) { if ( !$biao ) { while ( $Rs = $this->Rest->fetch_array() ) { $this->Result[] = !preg_match(&#39;/^\d+$/i&#39;, $Type) ? $Rs : $Rs[ $Type ]; } } else { while ( $Rs = $this->Rest->fetch_assoc() ) { $this->Result[] = $Rs; } } } $DataBase = $this->Result; return empty($DataBase) ? false : $DataBase; } public function executes( $Sql = &#39;&#39; ){ $this->Connection( $Sql ); return $this->Rest; } public function exists( $T = &#39;&#39;, $F = &#39;&#39;, $W = &#39;&#39;){ if ( empty( $F ) ) { return 0; } $cmd = empty( $W ) ? &#39;Select sum(&#39; . $F . &#39;) as `baiyinum` from `&#39; . $this->PreFix . $T .&#39;`&#39; : &#39;Select sum(&#39; . $F . &#39;) as `baiyinum` from `&#39; . $this->PreFix . $T .&#39;` Where &#39; . $W; $this->Connection( $cmd ); unset( $T, $F, $W, $cmd ); $Rel = $this->Rest->fetch_array(); return round( $Rel[&#39;baiyinum&#39;], 2 ); } public function ExistsTo( $Bili = 10000, $T = &#39;&#39;, $F = &#39;&#39;, $W = &#39;&#39;){ if ( empty( $F ) ) { return 0; } $cmd = empty( $W ) ? &#39;Select sum(&#39; . $F . &#39;) as `baiyinum` from `&#39; . $this->PreFix . $T .&#39;`&#39; : &#39;Select sum(&#39; . $F . &#39;) as `baiyinum` from `&#39; . $this->PreFix . $T .&#39;` Where &#39; . $W; $this->Connection( $cmd ); unset( $T, $F, $W, $cmd ); $Rel = $this->Rest->fetch_array(); return round( $Rel[&#39;baiyinum&#39;] * $Bili ); } public function Select( $Type = true, $ListNum = 1 ){ //返回记录(数组形式, 返回条数) $this->Select = &#39;Select &#39; . $this->Field . &#39; from &#39; . $this->Table . $this->Where . $this->Order; if ( is_numeric( $ListNum ) ) { if ( $this->PageSize > 0 ) { $this->Connection( $this->Select );//执行查询 $this->PageCount = $this->Rest->num_rows;//取得记录总数 $this->PageNum = ceil($this->PageCount / $this->PageSize); //总共有多少页 $this->PageNo = $this->PageNo > $this->PageNum ? $this->PageNum : $this->PageNo; $this->PageStart = ( $this->PageNo - 1 ) * $this->PageSize; //当前从第几条开始返回 $this->Select .= &#39; limit &#39; . $this->PageStart . &#39;, &#39; .$this->PageSize; //重新构造sql语句 } else { $this->Select .= &#39; limit &#39; . $ListNum; //重新构造sql语句 } } else { $this->Select .= &#39; limit 1&#39;; //重新构造sql语句 } //echo $this->Select; $this->Connection( $this->Select );//再次执行查询 if ( $this->Rest->num_rows ) {//如果记录存在 if ( $Type ) { while ( $Rs = $this->Rest->fetch_array() ) { $this->Result[] = $Rs; } }else{ while ( $Rs = $this->Rest->fetch_assoc() ) { $this->Result[] = $Rs; } } } if ( ( $ListNum == 1 or !is_numeric( $ListNum ) ) && !$this->PageSize) { $this->Result = $this->Result[0]; } $DataBase = $this->Result; return empty($DataBase) ? false : $DataBase; } public function Num() { //返回记录总数 $this->Select = &#39;Select &#39; . $this->Field . &#39; from &#39; . $this->Table . $this->Where . $this->Order; $this->Connection( $this->Select );//执行查询 return $this->Rest->num_rows;//取得记录总数 } public function PageNav($NumNav = false ) { //分页 $Action = $this -> get(&#39;action&#39;); !empty( $Action ) or $Action = &#39;index&#39;; $Module = $this -> get(&#39;module&#39;); !empty( $Module ) or $Module = &#39;index&#39;; $NavUrl = &#39;/&#39; . $Module . &#39;/&#39; . $Action . &#39;/&#39; . $this -> PageKey .&#39;/&#39;; $NaIndex = &#39;/&#39; . $Module . &#39;/&#39; . $Action; $PageHtml = "\n"; $PageHtml .= &#39;&#39; . $this->PageCount . &#39;条记录 &#39; . $this->PageNo . &#39;/&#39; . $this->PageNum . &#39;页 &#39;; $this->PageNo <= 1 or $PageHtml .= "首页\nPageNo - 1) . "\">上一页\n"; if ( $NumNav ) { $PageHtml .= $this->NumPage($NavUrl); } $this->PageNo >= $this->PageNum or $PageHtml .= "PageNo + 1) . "\">下一页\nPageNum . "\">尾页\n"; $PageHtml .= "\n"; return $PageHtml; } private function NumPage( $Can = &#39;&#39; ) { //数字分页 $NumHtml = &#39;&#39;; $First = 1; $Last = $this->PageNum; if ( $this->PageNum > 5 ) { if ( $this->PageNo <$this->PageNum ) { $First = $this->PageNo - 2; $Last = $this->PageNo + 2; }else{ $First = $this->PageNo - 4; $Last = $this->PageNum; } } if ( $First <1 ) { $First = 1; $Last = $First + 4;} if ( $Last > $this->PageNum ) { $First = $this->PageNum - 4; $Last = $this->PageNum;} for( $i = $First; $i <= $Last; $i++) { $NumHtml .= $this->PageNo != $i ? "\n\t" . &#39;&#39; . $i . &#39;&#39; . "\n\t" : "\n\t" .&#39;&#39; . $i . &#39;&#39; . "\n\t"; } unset($Can, $First, $i, $Last); return $NumHtml; } public function UserPage($NumNav = false, $PageName = &#39;index&#39;, $Mulu = &#39;user&#39; ) { //会员中心分页 $NavUrl = &#39;/&#39; . $Mulu . &#39;/&#39; . $PageName . &#39;/&#39; . $this->PageKey . &#39;/&#39;; $PageHtml = "\n"; $PageHtml .= &#39;&#39; . $this->PageCount . &#39;条记录 &#39; . $this->PageNo . &#39;/&#39; . $this->PageNum . &#39;页 &#39;; $this->PageNo <= 1 or $PageHtml .= "首页\nPageNo - 1) . "\">上一页\n"; if ( $NumNav ) { $PageHtml .= $this->NumPage($NavUrl); } $this->PageNo >= $this->PageNum or $PageHtml .= "PageNo + 1) . "\">下一页\nPageNum . "\">尾页\n"; $PageHtml .= "\n"; return $PageHtml; } //表单处理开始 //判断表单时候提交 public function FormIs( $Keys = &#39;mm&#39; ) { return $_POST[ $Keys ] == 1 ? true : false; } //post方式获取数据 public function _post( $Keys = &#39;&#39;, $TiHuan = &#39;&#39;) { $Values = strip_tags( $_POST[ $Keys ] ); $this->FormArray[$Keys] = empty( $Values ) ? $TiHuan : $Values; return empty( $Values ) ? $TiHuan : $Values; } //get方法获取数据 public function _get( $Keys = &#39;&#39;, $TiHuan = &#39;&#39;) { $Values = strip_tags( $_GET[ $Keys ] ); return empty( $Values ) ? $TiHuan : $Values; } //判断是否为数字并且不小于0 public function IsNum( $Num = 0, $Mesg = &#39;参数必须为数字&#39; ) { if ( is_numeric( $Num ) && !empty( $Num ) && $Num >= 0 ) { return $Num; }else{ die( $Mesg ); } } //判断是否为数字并且不小于0返回True/False public function NumBer( $Num = 0) { return is_numeric( $Num ) && !empty( $Num ) && $Num >= 0 ? true : false; } //检测相关数据似乎存在 public function IsData($Types = true, $memg = &#39;数据已经存在&#39; ){ $this->Connection(&#39;select &#39; . $this->Field . &#39; from &#39; . $this->Table . $this->Where); if ( $Types ){ $this->Rest->num_rows > 0 ? die( $memg ) : null; } else { return $this->Rest->num_rows; } } //写入数据库记录 public function into( $Mesg = &#39;&#39; ){ !is_array( $this->FormArray ) ? die( $Mesg ) : null; $Sql = &#39;insert into &#39; . $this->Table . &#39; (`&#39;; $I = 0; foreach ( $this->FormArray as $Key => $Val ){ $Duan .= !$I ? $Key . &#39;`&#39; : &#39;, `&#39; . $Key . &#39;`&#39;; if ( is_numeric( $Val ) ){ $Vals .= !$I ? $Val : &#39;, &#39; . $Val; }else{ $Vals .= !$I ? &#39;\&#39;&#39; . $Val . &#39;\&#39;&#39; : &#39;, \&#39;&#39; . $Val . &#39;\&#39;&#39;; } $I++; } $Sql .= $Duan . &#39;) values (&#39; . $Vals . &#39;)&#39;; //@file_put_contents(&#39;1.sql&#39;, $Sql, FILE_APPEND); $this->Connection( $Sql ); return !empty( $this->Err ) ? false : true; } //数组形式写入数据 public function MsgBox( $Table = &#39;&#39;, $Filed = array() ) { $this -> Table($Table); foreach( $Filed as $Key => $Val ) { $this -> FormArray[ $Key ] = $Val; } return $this -> Into(&#39;未取得数据&#39;); } //修改数据库记录 public function Edit( $Array = array() ) { if ( empty( $Array ) ) { $Array = $this -> FormArray; } if ( !is_array( $Array ) || empty( $Array ) ) { return false; } else { $Sql = &#39;update &#39; . $this -> Table . &#39; set &#39;; $I = 0; $Sub = &#39;&#39;; $Huan = array(&#39;-&#39; => &#39;[jian]&#39;, &#39;+&#39; => &#39;[jia]&#39;, &#39;*&#39; => &#39;[cheng]&#39;, &#39;/&#39; => &#39;[chu]&#39;); $Zhan = array(&#39;[jian]&#39; => &#39;-&#39;, &#39;[jia]&#39; => &#39;+&#39;, &#39;[cheng]&#39; => &#39;*&#39;, &#39;[chu]&#39; => &#39;/&#39;); foreach ( $Array as $Files => $Val ) { $Val = !is_numeric( $Val ) && !preg_match(&#39;/\`\w+\`\s*(\+|\-|\*|\/)/i&#39;, $Val) ? &#39;\&#39;&#39; . $Val . &#39;\&#39;&#39; : $Val; foreach ( $Huan as $key => $val ){ $Val = str_replace($key, $val, $Val); } $duan = !$I ? &#39;`&#39; . $Files . &#39;` = &#39; : &#39;, `&#39; . $Files . &#39;` = &#39;; $Sub .= $duan . $Val; $I++; } $Sql .= $Sub . $this -> Where; foreach ( $Zhan as $Fan => $Hui ) { $Sql = str_replace($Fan, $Hui, $Sql); } //echo $Sql; die; $this -> Connection( $Sql ); unset( $Array, $duan, $Fan, $Files, $Huan, $Hui, $I, $key, $Sql, $Sub, $Val, $Zhan, $val ); return !empty( $this -> Err ) ? false : true; } } //删除数据库记录 public function del(){ $Sql = &#39;delete from &#39; . $this->Table . $this->Where; $this->Connection( $Sql ); unset($Sql); return !empty( $this->Err ) ? false : true; } //表单处理结束 //页面跳转 public function Msg( $Text = &#39;操作成功&#39; ) { echo &#39;&#39;; echo &#39;&#39;; exit; } #取得系统当前时间 public function Times(){ return str_replace(&#39;-&#39;, &#39;[jian]&#39;, date(&#39;Y-m-d H:i:s&#39;)); } #取得用户IP地址 public function GetIP(){ if (getenv("HTTP_CLIENT_IP") && strcasecmp(getenv("HTTP_CLIENT_IP"), "unknown")) $ip = getenv("HTTP_CLIENT_IP"); else if (getenv("HTTP_X_FORWARDED_FOR") && strcasecmp(getenv("HTTP_X_FORWARDED_FOR"), "unknown")) $ip = getenv("HTTP_X_FORWARDED_FOR"); else if (getenv("REMOTE_ADDR") && strcasecmp(getenv("REMOTE_ADDR"), "unknown")) $ip = getenv("REMOTE_ADDR"); else if (isset($_SERVER[&#39;REMOTE_ADDR&#39;]) && $_SERVER[&#39;REMOTE_ADDR&#39;] && strcasecmp($_SERVER[&#39;REMOTE_ADDR&#39;], "unknown")) $ip = $_SERVER[&#39;REMOTE_ADDR&#39;]; else $ip = "unknown"; return($ip); } //最后关闭数据库连接 public function Close(){ !is_object( $this -> Conn ) or mysqli_close( $this -> Conn ); } }
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