JsonUtil工具类的parse和readValue方法无法反射对象，不清楚是哪里问题？

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菲哥剑圣 2021-02-26 11:34

一、该问题的重现步骤是什么？

1. 使用bladex提供的Json工具类的时候，碰到一个奇怪问题。

@Getter

@Setter

public class CrgSaleTitleJson implements Serializable {

private static final long serialVersionUID = 1L;

/**

* 单号：DN0013486

private String No;

private String Date; //2021/2/24 0:00:00

private String QuantitySum; //8

private String AmountSum; //207.6

private String Memo; //【销售订单ODN0007835导出】

private String Type; //订货

private String CustomerID; //04H

private String DepartmentID; //007

private String EmployeeID; //007

private String DiscountSum; //0.00

private String OtherAmount; //

private String MadeBy; //杭州开单

private String Audit; //杭州开单

private String PassFlag; //True

private String AuditFlag; //True

private String TallyFlag; //False

private String Year; //2021

private String Month; //02

private String Direction; //1

private String MadeByDate; //2021/2/24 15:51:03

private String AuditDate; //2021/2/24 15:59:11

private String CustAddress; //

private String SalesID; //DN0111S

private String FreightModeID; //

private String OrderNo; //ODN0007835

private String Code; //132

private String Customer; //赵伟清

private String Department; //昆龙店

private String Name; //王雅丽

private String ReceivablesWay1; //

private String Receivables1; //0

private String FreightCorp; //

private String Warehouse; //

private String CustomerNO; //132

private String FreightMode; //

private String Brand; //

private String Name2; //

private String Name3; //

private String ReceivablesWay2; //

private String Receivables2; //

private String ReceivablesWay3; //

private String Receivables3; //

private String BusinessDept; //昆龙店

private String TotalAmount; //207.60

private String PrintTime; //2021-02-25 10:50:05

private String LastNeedRAmount; //5553private String

}

//反射生成销售单抬头

CrgSaleTitleJson saleTitle = JsonUtil.readValue(saleTitleJson, CrgSaleTitleJson.class);

json如下：

{"No":"DN0013486","Date":"2021/2/24 0:00:00","QuantitySum":"8","AmountSum":"207.6","Memo":"[潮人Go]【销售订单ODN0007835导出】","Type":"订货","CustomerID":"04H","DepartmentID":"007","EmployeeID":"007","DiscountSum":"0.00","OtherAmount":"","MadeBy":"杭州开单","Audit":"杭州开单","PassFlag":"True","AuditFlag":"True","TallyFlag":"False","Year":"2021","Month":"02","Direction":"1","MadeByDate":"2021/2/24 15:51:03","AuditDate":"2021/2/24 15:59:11","CustAddress":"","SalesID":"DN0111S","FreightModeID":"","OrderNo":"ODN0007835","Code":"132","Customer":"赵伟清","Department":"昆龙店","Name":"王雅丽","ReceivablesWay1":"","Receivables1":"0","FreightCorp":"","Warehouse":"","CustomerNO":"132","FreightMode":"","Brand":"","Name2":"","Name3":"","ReceivablesWay2":"","Receivables2":"","ReceivablesWay3":"","Receivables3":"","BusinessDept":"昆龙店","TotalAmount":"207.60","PrintTime":"2021-02-26 11:18:23","LastNeedRAmount":"5553"}

二、你期待的结果是什么？实际看到的又是什么？

这个工具类的这个方法是否有什么问题？？而且这个parse方法如果失败，不会抛出异常，或者返回出错原因吗？

三、你正在使用的是什么产品，什么版本？在什么操作系统上？

四、请提供详细的错误堆栈信息，这很重要。

五、若有更多详细信息，请在下面提供。

2条回答

菲哥

2021-02-26 12:41

没办法，我只好换了个Json的解析工具类：https://gitee.com/calvinwilliams/okjson
用这个解析就是正常的。那是不是bladex这个工具类的这个方法有问题？

/反射生成销售单抬头
CrgSaleTitleJson sale = new CrgSaleTitleJson() ;

System.out.println( "OKJSON.stringToObject ..." );
sale = OKJSON.stringToObject( saleTitleJson, CrgSaleTitleJson.class, OKJSON.OPTIONS_DIRECT_ACCESS_PROPERTY_ENABLE ) ;
if( sale == null ) {
System.out.println( "OKJSON.stringToObject failed["+OKJSON.getErrorCode()+"]["+OKJSON.getErrorDesc()+"]" );
return false;
} else {
System.out.println( "OKJSON.stringToObject ok" );
}

作者追问:2021-02-26 16:53

问题已记录，后续调试一下看看是否有问题

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admin - BladeX作者

2021-05-18 12:37

看了一下，是因为首字母大写导致的问题，一般情况下bean的参数首字母应该小写，遵循小驼峰的规则。
如果是首字母大写的话，需要用注解来指定，具体看：https://my.oschina.net/u/2293736/blog/664372

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JsonUtil工具类的parse和readValue方法无法反射对象，不清楚是哪里问题？

作者追问:2021-02-26 16:53