本文主要是介绍使用formData向后台传递数组对象，希望对大家解决编程问题提供一定的参考价值，需要的开发者们随着小编来一起学习吧！
1.前端
let formDatas = new FormData();
let sealValues = t.sealValues;
formDatas.append('pdfFile', t.parsePdfFile);
for(let i=0,len=sealValues.length;i<len;i++){let locationInfo = sealValues[i];formDatas.append('sealLocationInfoList['+i+'].posX',locationInfo.posX);formDatas.append('sealLocationInfoList['+i+'].posY',locationInfo.posY);formDatas.append('sealLocationInfoList['+i+'].signOnPage',locationInfo.signOnPage);formDatas.append('sealLocationInfoList['+i+'].sealId',locationInfo.sealId);
}
2.后端接收
@RequestMapping(path = "/stamp", method = RequestMethod.POST)public ResponseEntity<Map<String, Object>> stamp(HttpServletRequest req,@Param("pdfFile") MultipartFile pdfFile, SealLocationInfoRequest request) {//}
3.后台映射对象
public class SealLocationInfoRequest implements Serializable {private static final long serialVersionUID = 2392716281569231777L;private Long contractId;private String filePath;private List<SealLocationInfo> sealLocationInfoList;
}
public class SealLocationInfo implements Serializable {private static final long serialVersionUID = -8706741125508276806L;private Integer posType;//定位或关键字private float posX;private float posY;private String signOnPage;private Long sealId;private String key;private float width;private Integer signType;//2.骑缝章 1.其他
}
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