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jackson csv转json import java.io.File; import java.io.IOException; import java.util.List; import java.util.Map; import com.fasterxml.jackson.databind.MappingIterator; import com.fasterxml.jackson.databind.ObjectMapper; import com.fasterxml.jackson.datafo.

fastjson导出大批量数据至文件 package test.datatofile.easyjson; import java.io.File; import java.io.FileWriter; import java.util.List; import java.util.Map; import com.alibaba.fastjson.JSONWriter; import xxx.DBHelper; public class BigDataToFile { public stat.

fastjson导出json文件 bean： package test.datatofile.easyjson; import java.util.Date; import com.alibaba.fastjson.annotation.JSONField; public class Student { private int id; private String name; @JSONField(format = "yyyy-MM-dd hh:mm:ss") p.

fastjson解析大文件 --实体类对象 package bean; public class XtyxOrder { private String remarkinfo; private String orderno; private String childproductdescribe; private String operatecompany; private String onmaintaintime; private String use.

jackson 解析字符串 --实体类对象 public class LszbcxBean { private String trade_amount; private String last_balance; private String current_balance; private String acctbk; private String operating_srl; private String payment_date; privat.