这种excel读取出来的数据是一行一行的,怎么修改成这样的数据格式
[ExamInfo{answer='新冠肺炎起源于哪一年?', stem='A', analyse='经验得知', singleScore=2,
eaxmChoiceInfoList=[EaxmChoiceInfo{choiceType='A', optionContent='2019'},
EaxmChoiceInfo{choiceType='B', optionContent='2022'},
EaxmChoiceInfo{choiceType='C', optionContent='2021'},
EaxmChoiceInfo{choiceType='D', optionContent='2003'}]},
ExamInfo{answer='刘备的最好的朋友是谁?', stem='B', analyse='猜的', singleScore=2,
eaxmChoiceInfoList=[EaxmChoiceInfo{choiceType='A', optionContent='关羽'},
EaxmChoiceInfo{choiceType='B', optionContent='诸葛亮'},
EaxmChoiceInfo{choiceType='C', optionContent='张飞'}, EaxmChoiceInfo{choiceType='D', optionContent='曹操'}]}]