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 = 'https://www.jb51.net/' . $Module . 'https://www.jb51.net/' . $Action . 'https://www.jb51.net/' . $this -> PageKey .'https://www.jb51.net/';
$NaIndex = 'https://www.jb51.net/' . $Module . 'https://www.jb51.net/' . $Action;
$PageHtml = "\n<div class=https://www.jb51.net/article/\"pagenav\">";
$PageHtml .= '<span>' . $this->PageCount . '条记录 ' . $this->PageNo . 'https://www.jb51.net/' . $this->PageNum . '页</span> ';
$this->PageNo <= 1 or $PageHtml .= "<a href=https://www.jb51.net/article/\"" . $NaIndex . "https://www.jb51.net/article/\">首页</a>\n<a href=https://www.jb51.net/article/\"" . $NavUrl . ($this->PageNo - 1) . "https://www.jb51.net/article/\">上一页</a>\n";
if ( $NumNav ) { $PageHtml .= $this->NumPage($NavUrl); }
$this->PageNo >= $this->PageNum or $PageHtml .= "<a href=https://www.jb51.net/article/\"" . $NavUrl. ($this->PageNo + 1) . "https://www.jb51.net/article/\">下一页</a>\n<a href=https://www.jb51.net/article/\"" . $NavUrl . $this->PageNum . "https://www.jb51.net/article/\">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 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 = 'https://www.jb51.net/' . $Mulu . 'https://www.jb51.net/' . $PageName . 'https://www.jb51.net/' . $this->PageKey . 'https://www.jb51.net/';
$PageHtml = "\n<div class=https://www.jb51.net/article/\"pagenav\">";
$PageHtml .= '<span>' . $this->PageCount . '条记录 ' . $this->PageNo . 'https://www.jb51.net/' . $this->PageNum . '页</span> ';
$this->PageNo <= 1 or $PageHtml .= "<a href=https://www.jb51.net/article/\"" . $NavUrl . "1\">首页</a>\n<a href=https://www.jb51.net/article/\"" . $NavUrl . ($this->PageNo - 1) . "https://www.jb51.net/article/\">上一页</a>\n";
if ( $NumNav ) { $PageHtml .= $this->NumPage($NavUrl); }
$this->PageNo >= $this->PageNum or $PageHtml .= "<a href=https://www.jb51.net/article/\"" . $NavUrl. ($this->PageNo + 1) . "https://www.jb51.net/article/\">下一页</a>\n<a href=https://www.jb51.net/article/\"" . $NavUrl . $this->PageNum . "https://www.jb51.net/article/\">尾页</a>\n";
$PageHtml .= "</div><div class=https://www.jb51.net/article/\"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 ? 'https://www.jb51.net/article/\'' . $Val . 'https://www.jb51.net/article/\'' : ', \'' . $Val . 'https://www.jb51.net/article/\'';
}
$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]', 'https://www.jb51.net/' => '[chu]');
$Zhan = array('[jian]' => '-', '[jia]' => '+', '[cheng]' => '*', '[chu]' => 'https://www.jb51.net/');