addPurpose method
Implementation
Map<String, dynamic> addPurpose({
required String caller,
required String purpose,
}) {
try {
Map<String, dynamic> newMap = cast<String, dynamic>();
newMap.addAll({
"ApiPurpose": {"caller": caller, "purpose": purpose}
});
return newMap;
} catch (err) {
// 避免类似转换错误
debugPrint("addPurpose error:$err");
return this as Map<String, dynamic>;
}
}