public static String toJson(Object obj){
String json = null;
try {
StringWriter writer = new StringWriter();
JsonGenerator generator = mapper.getFactory().createGenerator(writer);
mapper.writeValue(generator, obj);
json = writer.toString();
generator.close();
writer.close();
} catch (Exception e) {
e.printStackTrace();
}
return json;
}
java将实体对象转换成JSON格式的字符串
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转载自blog.csdn.net/gaofenglxx/article/details/60139487
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