src/org/nutz/json/JsonFormat.java
public NumberFormat getNumberFormat() {
        NumberFormat nf = getAs(Function.numberFormat, NumberFormat.class);
        return nf == null ? null : (NumberFormat) nf.clone();
    }
public NumberFormat getNumberFormat() {
        NumberFormat nf = getAs(Function.numberFormat, NumberFormat.class);
        return nf == null ? null : (NumberFormat) nf.clone();
    }
Json输出格式的数字格式

@return 数字格式