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fastjson 美化输出 JSONObject 和 JSONArray

 2 years ago
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fastjson 美化输出 JSONObject 和 JSONArray

pom.xml 引入 fastjson

<dependency>
<groupId>com.alibaba</groupId>
<artifactId>fastjson</artifactId>
<version>1.2.30</version>
</dependency>

想要输出/打印的是一个 JSONObject 或 JSONArray。我们假设对象名字是 aaa，那么要想美化输出这个对象，可以这么写

String pretty = JSON.toJSONString(aaa, SerializerFeature.PrettyFormat,
SerializerFeature.WriteMapNullValue,
SerializerFeature.WriteDateUseDateFormat);
System.out.println(pretty);

之后打印出来的 pretty 对象就是美化后的 aaa (json 对象或 json 数组)。


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