麻烦请问一下插入的问题
<?php
header("Content-type: text/html; charset=utf-8");
if($con=mysqli_connect('localhost','root','xiongjie')){
echo "连接成功";
}else{
echo "连接失败";
}
if(mysqli_select_db($con,'info')){
echo "连接成功";
}else{
echo "连接失败";
}
if(mysqli_query($con,'insert into test(username,num) values("苹果,8")')){
echo "插入成功";
}else{
echo "插入失败";
}
if(mysqli_query($con,'insert into test(username,num) values("橘子,6")')){
echo "插入成功";
}else{
echo "插入失败";
}
if(mysqli_query($con,'insert into test(username,num) values("梨子,7")')){
echo "插入成功";
}else{
echo "插入失败";
}
?>
为什么我只插入username就插入成功 同时插入username和num就插入失败呢
