如何使用Jackson将其序列化为xml？ [英] How to serialize this to xml using Jackson?

问题描述

鉴于此类

class Report {
   public String total;
   public Map monthly;

   public Report () {
      total = "10";
      monthly = new HashMap();
      monthly.put("MAR", 5);
      monthly.put("JUN", 5);
   } 
}

我想生成这个XML：

<Report>
    <total>10</total>
    <MAR>5</MAR>
    <JUN>5</JUN>
</Report>

但实际上它产生了这个XML：

But it actually produces this XML:

 <Report>
     <total>10</total>
     <monthly>
         <MAR>5</MAR>
         <JUN>5</JUN>
     </monthly>
</Report>

如果我在<$之前添加 @JsonIgnore c $ c> montly 声明， montly 元素消失了，但总计！？

If I add @JsonIgnore before montly declaration, the montly element goes away, but so does the total!?

<Report>
    <MAR>5</MAR>
    <JUN>5</JUN>
</Report>

推荐答案

为属性添加访问器方法并注释 getMonthly with @ com.fasterxml.jackson.annotation.JsonAnyGetter 。

Add accessor methods to your attributes and annotate getMonthly with @com.fasterxml.jackson.annotation.JsonAnyGetter.

public class Report {

    private String total;

    private Map monthly;

    public Report () {
        total = "10";
        monthly = new HashMap<>();
        monthly.put("MAR", 5);
        monthly.put("JUN", 5);
    }

    public String getTotal() {
        return total;
    }

    @JsonAnyGetter
    public Map getMonthly() {
        return monthly;
    }

}

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