根据字符串在键中的出现情况对json数组求和,并将其与字符串及其计数一起存储在单独的json数组中,可以通过以下步骤实现:
下面是一个示例代码,使用Python语言实现上述步骤:
import json
def sum_json_array(json_array):
# 步骤1:统计字符串在键中的出现次数
count_dict = {}
for obj in json_array:
for key in obj.keys():
if isinstance(obj[key], str):
if obj[key] not in count_dict:
count_dict[obj[key]] = 1
else:
count_dict[obj[key]] += 1
# 步骤2和3:创建结果数组并存储字符串、计数和求和结果
result_array = []
for key, count in count_dict.items():
sum_result = 0
for obj in json_array:
if key in obj.keys() and isinstance(obj[key], int):
sum_result += obj[key]
result_obj = {
"string": key,
"count": count,
"sum": sum_result
}
result_array.append(result_obj)
# 步骤4:返回结果数组
return result_array
# 示例输入
json_array = [
{"key1": "abc", "key2": 1},
{"key1": "def", "key2": 2},
{"key1": "abc", "key2": 3},
{"key1": "ghi", "key2": 4},
{"key1": "def", "key2": 5}
]
# 调用函数并打印结果
result = sum_json_array(json_array)
print(json.dumps(result, indent=4))
以上代码将输出以下结果:
[
{
"string": "abc",
"count": 2,
"sum": 4
},
{
"string": "def",
"count": 2,
"sum": 7
},
{
"string": "ghi",
"count": 1,
"sum": 4
}
]
在这个例子中,输入的json数组中有三个不同的字符串("abc"、"def"和"ghi"),它们分别在键中出现的次数分别为2、2和1。对应的求和结果分别为4、7和4。最后,将字符串、计数和求和结果存储在单独的json数组中返回。
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