如何解决将 API 返回的错误信息显示到 Flutter UI 中
将 API 返回的错误消息显示到 Flutter UI 中。
我是 Flutter 的新手。我的 Laravel API 返回以下响应,我成功接收到响应,但我无法找到在 UI 中显示这些消息的方法,我使用 Flushbar 来显示消息。请帮忙。
{
"data":{
"errors": {
"email": [
"The email has already been taken."
],"password": [
"The password must be at least 6 characters.","The password confirmation does not match."
]
}
}
}
解决方法
var res = {
"data":{
"errors": {
"email": [
"The email has already been taken."
],"password": [
"The password must be at least 6 characters.","The password confirmation does not match."
]
}
}
};
res["data"]["errors"].forEach((key,messages) {
if ("email" == key) {
// show email errors like this
for (var message in messages) {
// Use your Flushbar here to show the error message
}
} else if ("password" == key) {
// show password erros like this
for (var message in messages) {
// Use your Flushbar here to show the error message
}
}
});
编辑
为了更简短,您可以将您的消息组合成这样
String combinedMessage = "";
res["data"]["errors"].forEach((key,messages) {
for (var message in messages) combinedMessage = combinedMessage + "- $message\n";
// Use your Flushbar here to show combinedMessage variable
});
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