Props add toBean method

hutool-setting/src/test/resources/to_bean_test.properties

@@ -0,0 +1,20 @@
+#Simple properties
+mail.host=mailer@mail.com
+mail.port=9000
+mail.from=mailer@mail.com
+
+#List properties
+mail.defaultRecipients[0]=admin@mail.com
+mail.defaultRecipients[1]=owner@mail.com
+
+#Map Properties
+mail.additionalHeaders.redelivery=true
+mail.additionalHeaders.secure=true
+
+#Object properties
+mail.credentials.username=john
+mail.credentials.password=password
+mail.credentials.authMethod=SHA1
+
+# ignore properties
+mail.ignore.filed = balabala