class BigNumberSerializer extends NumberSerializer {

    /**
     * 根据 JS Number.MAX_SAFE_INTEGER 与 Number.MIN_SAFE_INTEGER 得来
     */
    private static final long MAX_SAFE_INTEGER = 9007199254740991L;
    private static final long MIN_SAFE_INTEGER = -9007199254740991L;

    /**
     * 提供实例
     */
    public static final BigNumberSerializer INSTANCE = new BigNumberSerializer(Number.class);

    public BigNumberSerializer(Class<? extends Number> rawType) {
        super(rawType);
    }

    @Override
    public void serialize(Number value, JsonGenerator gen, SerializerProvider provider) throws IOException {<FILL_FUNCTION_BODY>}
}

        // 超出范围 序列化位字符串
        if (value.longValue() > MIN_SAFE_INTEGER && value.longValue() < MAX_SAFE_INTEGER) {
            super.serialize(value, gen, provider);
        } else {
            gen.writeString(value.toString());
        }
    
<no_super_class>