$result = BookCode::where('book_name','s121212ss')->get();
if ($result) {
return [
'd' => $result,
'c' => 200000,
'm' => '获取成功',
];} else {
return [
'c' => 400000,
'm' => '',
'd' => $result,
];}
$result = BookCode::where('book_name','s121212ss')->get();
if ($result) {
return [
'd' => $result,
'c' => 200000,
'm' => '获取成功',
];} else {
return [
'c' => 400000,
'm' => '',
'd' => $result,
];}
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因为返回的是一个 Collection,是一个非空对象