Php 在0到10之间计数
我的代码如下所示Php 在0到10之间计数,php,mysql,sql,for-loop,while-loop,Php,Mysql,Sql,For Loop,While Loop,我的代码如下所示 $number_of_book=0; $res_best_book=mysql_query("SELECT * FROM book ORDER BY best DESC"); while($best_book=mysql_fetch_assoc($res_best_book)){ echo "Number Of Book";$number_of_book++; echo "&nbsb;&nbsb;"; print_r($best_book
$number_of_book=0;
$res_best_book=mysql_query("SELECT * FROM book ORDER BY best DESC");
while($best_book=mysql_fetch_assoc($res_best_book)){
echo "Number Of Book";$number_of_book++;
echo "&nbsb;&nbsb;";
print_r($best_book['book_name']);
echo "<br>";
}
预期产出将为
Number Of Book 1 BOOK58
Number Of Book 2 BOOK91
Number Of Book 3 BOOK32
Number Of Book 4 BOOK1
Number Of Book 5 BOOK21
Number Of Book 6 BOOK84
试试这个:
$number_of_book=1;
$res_best_book=mysql_query("SELECT * FROM book ORDER BY best DESC");
while($best_book=mysql_fetch_assoc($res_best_book)){
echo "Number Of Book ".$number_of_book++." ".$best_book['book_name']." <br>";
$number_of_book++;
}
$number\u of\u book=1;
$res_best_book=mysql_查询(“按最佳描述从图书订单中选择*);
而($best\u book=mysql\u fetch\u assoc($res\u best\u book)){
呼应“书号”.$Number\u Of_Book++.“.$best\u Book['Book\u name']。”
”;
$number_of_book++;
}
$number\u of\u book=1;
$res_best_book=mysql_查询(“按最佳描述从图书订单中选择*);
而($best\u book=mysql\u fetch\u assoc($res\u best\u book)){
回显“书号”。$Number\U Of\U Book;
回声“&nbsb;&nbsb;”;
印刷($best_book['book_name']);
回声“
”;
$number_of_book++;
}
增加数字后,只需回显即可。@GGO这是什么意思$res_best_book
是一个结果对象,而不是一个数字。为什么要添加一个新变量?@Barmar我不知道他用这个$number_of_book变量做什么。他没有用在他的问题中,我只是保持原样。这不只是需要打印的书号吗?它看起来不像,否则他就打印出来,不需要质疑任何东西。这是他的问题的重点,他不知道如何打印!
$number_of_book=1;
$res_best_book=mysql_query("SELECT * FROM book ORDER BY best DESC");
while($best_book=mysql_fetch_assoc($res_best_book)){
echo "Number Of Book ".$number_of_book++." ".$best_book['book_name']." <br>";
$number_of_book++;
}
$number_of_book=1;
$res_best_book=mysql_query("SELECT * FROM book ORDER BY best DESC");
while($best_book=mysql_fetch_assoc($res_best_book)){
echo "Number Of Book".$number_of_book;
echo "&nbsb;&nbsb;";
print_r($best_book['book_name']);
echo "<br>";
$number_of_book++;
}