Other关于There is a cycle in the hierarchy!
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原因:
父对象与子对象互相包含对方的类型的属性,造成死循环
解决方案1:
JsonConfig config=new JsonConfig();
config.setExcludes(new String[]{"devTask","employee","probClient"}); //传入要忽略的属性数组
JSONObject json=JSONObject.fromObject(new Object(),config);
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