复制代码 代码如下:

<?php
/*
数据库操作类
*/
class Mysql{
 private $LocalHost = \'localhost\';
 private $LoaclUser = \'root\';
 private $LocalPass = \'123456\';
 private $LocalBase = \'jiangxibaiyi\';
 private $LocalCode = \'UTF8\';
 private $PreFix;
 private $Conn;
 private $Start     = 0;
 private $Error     = false; //数据库连接状态, false表示未连接或连接不正常
 public  $Err       = true;  //Sql执行结果

 private $Table;
 private $Field     = \'*\';
 private $Where     = \'\';
 private $Order     = \'\';

 private $PageSize  = 0; //分页显示->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   = \'page\'; //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 = \'\'){
  $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(\'查询失败，无法加载mysqli扩展\') : null;
  $this->Conn = @new mysqli( $this->LocalHost, $this->LoaclUser, $this->LocalPass, $this->LocalBase);
  $this->Error = mysqli_connect_errno() == 0 ? true : false;
  !$this->Error ? die(\'数据库连接错误，请检查数据库连接参数\') : null;
  $this->Conn->query(\'SET NAMES \' . $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 = \'\';
  return $this;
 }

 public function null(){
  $this->PageSize  = 0;
  //$this->PageCount = 1;
  $this->PageStart = 1;
  $this->Field     = \' * \';
     $this->Select    = \'\';
  unset($this->Table, $this->Where,$this->Order, $this->Result);
 }

 public function Table( $TableName ) {//数据表
   $this -> null();
   $this->Table = \'`\' . $this->PreFix . $TableName . \'`\';
   return $this;
 }

 public function Field( $Array = \'*\' ) {//数据字段
   !empty( $this->Field ) ? $this->Field = \'\' : null;
   $Array = explode(\',\', $Array);
   foreach ( $Array as $field ) {
   $this->Field .= !$this->Start ? \'`\' . $field . \'`\' :  \', `\' . $field . \'`\';
   $this->Start++;
   }
   $this->Start = 0;
   return $this;
 }

 public function Where( $Where ) {//条件
       $this->Where = \' where \' .$Where;
    return $this;
 }

 public function Order( $Order ) {//排序
   $this->Order = \' order by \' . $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 = \'Select \' . $this->Field . \' from \' . $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 = \'\', $Type = \'not\', $biao = false ) {
  $this->Select = $Sql;
  $this->Connection( $this->Select );
  if ( $this->Rest->num_rows ) {
     if ( !$biao ) {
   while ( $Rs = $this->Rest->fetch_array() ) {
     $this->Result[] = !preg_match(\'/^\\d+$/i\', $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 = \'\' ){
  $this->Connection( $Sql  );
  return $this->Rest;
 }

 
 public function exists( $T = \'\', $F = \'\', $W = \'\'){
  if ( empty( $F ) ) { return 0; }
  $cmd = empty( $W ) ? \'Select sum(\' . $F . \') as `baiyinum` from `\' . $this->PreFix . $T .\'`\' : \'Select sum(\' . $F . \') as `baiyinum` from `\' . $this->PreFix . $T .\'` Where \' . $W;
        $this->Connection( $cmd );
  unset( $T, $F, $W, $cmd );
  $Rel =  $this->Rest->fetch_array();
  return round( $Rel[\'baiyinum\'], 2 );
 }

 
 public function ExistsTo( $Bili = 10000, $T = \'\', $F = \'\', $W = \'\'){
  if ( empty( $F ) ) { return 0; }
  $cmd = empty( $W ) ? \'Select sum(\' . $F . \') as `baiyinum` from `\' . $this->PreFix . $T .\'`\' : \'Select sum(\' . $F . \') as `baiyinum` from `\' . $this->PreFix . $T .\'` Where \' . $W;
        $this->Connection( $cmd );
  unset( $T, $F, $W, $cmd );
  $Rel =  $this->Rest->fetch_array();
  return round( $Rel[\'baiyinum\'] * $Bili );
 }

 
 public function Select( $Type = true, $ListNum = 1 ){ //返回记录（数组形式， 返回条数）
   $this->Select = \'Select \' . $this->Field . \' from \' . $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   .= \' limit \' . $this->PageStart . \', \' .$this->PageSize; //重新构造sql语句
  } else {
   $this->Select   .= \' limit \' . $ListNum; //重新构造sql语句
  }
   } else {
   $this->Select   .= \' limit 1\'; //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 = \'Select \' . $this->Field . \' from \' . $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(\'action\');
  !empty( $Action ) or $Action =  \'index\';
  $Module = $this -> get(\'module\');
  !empty( $Module ) or $Module = \'index\';
  $NavUrl   = \'/\' . $Module . \'/\' . $Action . \'/\' . $this -> PageKey .\'/\';
  $NaIndex  = \'/\' . $Module . \'/\' . $Action;
  $PageHtml = \"\\n<div class=\\\"pagenav\\\">\";
  $PageHtml .= \'<span>\' . $this->PageCount . \'条记录        \' . $this->PageNo . \'/\' . $this->PageNum . \'页</span>            \';
  $this->PageNo <= 1 or $PageHtml .= \"<a href=\\\"\" . $NaIndex . \"\\\">首页</a>\\n<a href=\\\"\" .  $NavUrl . ($this->PageNo - 1) . \"\\\">上一页</a>\\n\";
 if ( $NumNav ) { $PageHtml .= $this->NumPage($NavUrl); }
 $this->PageNo >= $this->PageNum or $PageHtml .= \"<a href=\\\"\" . $NavUrl. ($this->PageNo + 1) .  \"\\\">下一页</a>\\n<a href=\\\"\" . $NavUrl . $this->PageNum . \"\\\">尾页</a>\\n\";
 $PageHtml .= \"</div>\\n\";
 return  $PageHtml;
   }

   private function NumPage( $Can = \'\' ) { //数字分页
    $NumHtml = \'\';
    $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\" . \'<a href=\"\' . $Can . $i . \'\">\' . $i . \'</a>\' . \"\\n\\t\" : \"\\n\\t\" .\'<a class=\"hover\" disabled=\"disabled\">\' . $i . \'</a>\' . \"\\n\\t\";
    }
    unset($Can, $First, $i, $Last);
    return $NumHtml;
   }

   public function UserPage($NumNav = false, $PageName = \'index\', $Mulu = \'user\' ) {  //会员中心分页
     $NavUrl   = \'/\' . $Mulu . \'/\' . $PageName . \'/\' . $this->PageKey . \'/\';
  $PageHtml = \"\\n<div class=\\\"pagenav\\\">\";
  $PageHtml .= \'<span>\' . $this->PageCount . \'条记录        \' . $this->PageNo . \'/\' . $this->PageNum . \'页</span>            \';
  $this->PageNo <= 1 or $PageHtml .= \"<a href=\\\"\" . $NavUrl . \"1\\\">首页</a>\\n<a href=\\\"\" .  $NavUrl . ($this->PageNo - 1) . \"\\\">上一页</a>\\n\";
 if ( $NumNav ) { $PageHtml .= $this->NumPage($NavUrl); }
 $this->PageNo >= $this->PageNum or $PageHtml .= \"<a href=\\\"\" . $NavUrl. ($this->PageNo + 1) .  \"\\\">下一页</a>\\n<a href=\\\"\" . $NavUrl . $this->PageNum . \"\\\">尾页</a>\\n\";
 $PageHtml .= \"</div><div class=\\\"clear\\\"></div>\\n\";
 return  $PageHtml;
   }

  
   //表单处理开始

 //判断表单时候提交
 public function FormIs( $Keys = \'mm\' ) {
  return $_POST[ $Keys ] == 1 ? true : false;
 }

 //post方式获取数据
 public function _post( $Keys = \'\', $TiHuan = \'\') {
  $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 = \'\', $TiHuan = \'\') {
  $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 = \'参数必须为数字\' ) {
  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 = \'数据已经存在\' ){
  $this->Connection(\'select \' . $this->Field . \' from \' . $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 = \'\' ){
  !is_array( $this->FormArray ) ? die( $Mesg ) : null;
  $Sql = \'insert into \' . $this->Table . \' (`\';
  $I   = 0;
  foreach ( $this->FormArray as $Key => $Val ){
   $Duan .= !$I ? $Key . \'`\' : \', `\' . $Key . \'`\';
   if ( is_numeric( $Val ) ){
    $Vals .= !$I ? $Val : \', \' . $Val;
   }else{
    $Vals .= !$I ? \'\\\'\' . $Val . \'\\\'\' : \', \\\'\' . $Val . \'\\\'\';
   }
   $I++;
  }
  $Sql .= $Duan . \') values (\' . $Vals . \')\';

  //@file_put_contents(\'1.sql\', $Sql, FILE_APPEND);

  $this->Connection( $Sql );
  return !empty( $this->Err ) ? false : true;
 }

   //数组形式写入数据
   public function MsgBox( $Table = \'\', $Filed = array() ) {
    $this -> Table($Table);
    foreach( $Filed as $Key => $Val ) {
    $this -> FormArray[ $Key ] = $Val;
    }
   return $this ->  Into(\'未取得数据\');
   }

   //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 = \'update \' . $this -> Table . \' set \';
    $I   = 0;
    $Sub = \'\';
    $Huan = array(\'-\' => \'[jian]\', \'+\' => \'[jia]\', \'*\' => \'[cheng]\', \'/\' => \'[chu]\');
    $Zhan = array(\'[jian]\' => \'-\', \'[jia]\' => \'+\', \'[cheng]\' => \'*\', \'[chu]\' => \'/\');