php ??:
?????? ??? Flutter:
?????:
E/flutter(6084): [??: flutter/lib/ui/ui_dart_state.cc(198)] ???? ?? ??: FormatException: ??? ?? ??(at ??? 1) E/???(6084):
E/???(6084):^ E/???(6084): E/Flutter(6084): #0 _ChunkedJsonParser.fail (dart:convert-patch/convert_patch.dart:1383:5) E/Flutter(6084): #1 _ChunkedJsonParser.parseNumber (dart:convert-patch/convert_patch.dart:1250:9) E/Flutter(6084): #2 _ChunkedJsonParser.parse (dart:convert-patch/convert_patch.dart:915:22) E/Flutter(6084): #3 _parseJson (dart:convert-patch/convert_patch.dart:35:10) E/Flutter (6084): #4 JsonDecoder.convert (dart:convert/json.dart:612:36) E/Flutter (6084): #5 JsonCodec.decode (dart:convert/json.dart:216:41) E/Flutter (6084): #6 jsonDecode (dart:convert/json.dart:155:10) E/Flutter(6084): #7 Login.login(???:mes_v1/pages/Authentification/login.dart:25:18) E/???(6084): E/???(6084):
??? ??? ???? ?? ??? ???? ??? ?????. ??? ??? ??? ?? ?? ??? ?????. (?? ?? ??? ???? ??? ???? ????? ??? try/catch? ???? ??? ??? ????.)
??? ??? ??????.
var data = jsonDecode(response.body);
??? ???(response.body)? json?? ?????. ?? data
是 Map
?? List
if(數(shù)據(jù)==“成功”){
if(data=="??"){
?? PHP ??? ???????.
echo json_encode("成功");
echo json_encode("??");
?? PHP ???? ???? ??? ??? ??? ?? ???? ???.
????? ?? ??? ??? ?????.
???