我正在将“ formKATID”参数发送给PHP。我想发送多个“ formKATID”。例如,我要选择KATEGORI.ID = 6,7,8的数据库中的数据。这就是为什么我在bodyObject中定义了多个formKATID的原因。但这不是那样的。如何提交多个“ formKATID”?我用json_encode打印“ ExistCount”行,并尝试通过swift提取计数输出,但它带有空值。我发送的数组有问题。
PHP
...
$connectionInfo = array( "UID"=>$uid,
"PWD"=>$pwd,
"Database"=>$databaseName);
$conn = sqlsrv_connect($serverName, $connectionInfo);
$formKATID = $_POST['formKATID'];
$tsql = "SELECT ... IN(".implode(', ',$formKATID).")";
$stmt = sqlsrv_query( $conn, $tsql);
while( $row = sqlsrv_fetch_array( $stmt, SQLSRV_FETCH_ASSOC) ) {
$paketCount = $row['ExistCount'];
$results[] = Array("Count" => $paketCount);
}
echo json_encode($results, JSON_UNESCAPED_UNICODE);
sqlsrv_free_stmt( $stmt);
?>
...
SWIFT
@objc func kategoriSaydır(){
var request = URLRequest(url: url)
request.setValue("application/json", forHTTPHeaderField: "Accept")
request.httpMethod = "POST"
let bodyObject = ["formKATID": ["6", "7", "8"]] as [String : Any]
request.httpBody = try! JSONSerialization.data(withJSONObject: bodyObject, options: [])
let task = URLSession.shared.dataTask(with: request) { data, response, error in
guard let data = data else {
// error
return
}
do {
if let baslik = try JSONSerialization.jsonObject(with: data, options: []) as? [[String: Any]] {
for review in baslik {
if let soru_baslik = review["Count"] as? String {
let s = String(describing: soru_baslik)
print("kategoriItemCount", s)
}
}
}
} catch let parseError { ... }
}
task.resume()
}
答案 0 :(得分:1)
您的参数是url编码的。
您应该添加它:
public extension String {
public func addingPercentEncodingForUrlQueryValue() -> String? {
let generalDelimitersToEncode = ":#[]@"
let subDelimitersToEncode = "!$&'()*+,;="
var allowed = CharacterSet.urlQueryAllowed
allowed.remove(charactersIn: generalDelimitersToEncode + subDelimitersToEncode)
return addingPercentEncoding(withAllowedCharacters: allowed)
}
}
您可以尝试以下操作:
func generateParametersString(_ parameters: [String: Any]) -> String {
let parameterArray = parameters.map { key, value -> String in
guard let escapedKey = key.addingPercentEncodingForUrlQueryValue() else { return "" }
if let stringValue = value as? String {
guard let escapedValue = stringValue.addingPercentEncodingForUrlQueryValue() else { return "" }
return "\(escapedKey)=\(escapedValue)"
}
if let arrayValue = value as? [Any] {
var arrayParameter: [String] = []
for index in 0..<arrayValue.count {
var element: String
if let stringElement = arrayValue[index] as? String {
element = stringElement
} else {
element = "\(arrayValue[index])"
}
guard let escapedElement = element.addingPercentEncodingForUrlQueryValue() else { continue }
arrayParameter.append("\(escapedKey)[]=\(escapedElement)")
}
return arrayParameter.joined(separator: "&")
}
guard let escapedValue = "\(value)".addingPercentEncodingForUrlQueryValue() else { return "" }
return "\(escapedKey)=\(escapedValue)"
}
return parameterArray.joined(separator: "&")
}
@objc func kategoriSaydır(){
var request = URLRequest(url: url)
request.setValue("application/json", forHTTPHeaderField: "Accept")
request.httpMethod = "POST"
let bodyObject = ["formKATID": ["6", "7", "8"]] as [String : Any]
request.httpBody = generateParametersString(bodyObject).data(using: .utf8)
let task = URLSession.shared.dataTask(with: request) { data, response, error in
guard let data = data else {
// error
return
}
do {
if let baslik = try JSONSerialization.jsonObject(with: data, options: []) as? [[String: Any]] {
for review in baslik {
if let soru_baslik = review["Count"] {
let s = String(describing: soru_baslik)
print("kategoriItemCount", s)
}
}
}
} catch let parseError { ... }
}
task.resume()
}