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springcloud feign传输List的坑及解决

时间:2023-01-24 10:48:46 | 栏目:JAVA代码 | 点击:

feign传输List的坑

无法直接传输List

错误方法1

@RequestMapping(value = "/stat/merchant/get_merchant_compare_info", method = RequestMethod.POST)
@ResponseBody
MerchantCompareTotalInfo getMerchantCompareInfo(
  @RequestParam(value = "licenseNoList")
  List<String> licenseNoList);

错误:

feign.FeignException: status 500 reading MerchantStatRemoteApi#getMerchantCompareInfo(List); content

错误方法2

@RequestMapping(value = "/stat/merchant/get_merchant_compare_info", method = RequestMethod.POST)
@ResponseBody
MerchantCompareTotalInfo getMerchantCompareInfo(@RequestBody List<String> licenseNoList);

错误:

feign.FeignException: status 500 reading MerchantStatRemoteApi#getMerchantCompareInfo(List); content

错误方法3

@RequestMapping(value = "/stat/merchant/get_merchant_compare_info", method = RequestMethod.POST)
@ResponseBody
MerchantCompareTotalInfo getMerchantCompareInfo(@RequestBody String[] licenseNoList);

服务端的数组是null

正确方法:

@RequestMapping(value = "/stat/merchant/get_merchant_compare_info", method = RequestMethod.POST)
@ResponseBody
MerchantCompareTotalInfo getMerchantCompareInfo(@RequestParam("licenseNoList") String[] licenseNoList);

feign调用传List接不到值

改为传数组 List<Long> 改为 Long[] 再用Arrays.asList()变成集合

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