src/Mysqli.php
public function existsTbale($table = '')
    {
        if ($table == '') {$table = $this->table;}
        $sql = "SELECT COUNT(*) as total  FROM information_schema.TABLES WHERE TABLE_NAME='$table'";
        $t   = mysqli_fetch_array(mysqli_query($this->linkId, $sql));
        if ($t['total'] == 0) {return false;}
        return true;
    }
public function existsTbale($table = '')
    {
        if ($table == '') {$table = $this->table;}
        $sql = "SELECT COUNT(*) as total  FROM information_schema.TABLES WHERE TABLE_NAME='$table'";
        $t   = mysqli_fetch_array(mysqli_query($this->linkId, $sql));
        if ($t['total'] == 0) {return false;}
        return true;
    }
判断是否存在该数据表
@date   2017-03-19T16:18:01+0800
@author ChenMingjiang
@param  string                   $table [description]
@return [type]                          [description]