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c 將對(duì)象轉(zhuǎn)化為json字符串?dāng)?shù)組嗎

C 語(yǔ)言中的 JSON 庫(kù)可以用于將對(duì)象轉(zhuǎn)化為 JSON 字符串?dāng)?shù)組的形式,這樣可以方便地將數(shù)據(jù)存儲(chǔ)傳輸。下面是一段示例代碼:

#include <stdio.h>
#include <cJSON.h>
int main() {
cJSON *root = cJSON_CreateObject(); // 創(chuàng)建根節(jié)點(diǎn)
cJSON_AddStringToObject(root, "name", "John"); // 添加一個(gè)字符串類型的鍵值對(duì)
cJSON_AddNumberToObject(root, "age", 25); // 添加一個(gè)數(shù)字類型的鍵值對(duì)
cJSON_AddFalseToObject(root, "married"); // 添加一個(gè)布爾類型的鍵值對(duì)
cJSON_AddItemToObject(root, "hobbies", cJSON_CreateStringArray(
"reading", "music", "sports", NULL)); // 添加一個(gè)字符串?dāng)?shù)組類型的鍵值對(duì)
cJSON_AddItemToObject(root, "address", cJSON_CreateObject()); // 添加一個(gè)嵌套的對(duì)象類型的鍵值對(duì)
cJSON_AddStringToObject(cJSON_GetObjectItem(root, "address"), "city", "New York"); // 給嵌套的對(duì)象添加鍵值對(duì)
cJSON_AddNumberToObject(cJSON_GetObjectItem(root, "address"), "zipcode", 10001); // 給嵌套的對(duì)象添加鍵值對(duì)
char *json = cJSON_PrintUnformatted(root); // 將根節(jié)點(diǎn)轉(zhuǎn)化為 JSON 字符串?dāng)?shù)組
printf("%s\n", json); // 打印 JSON 字符串?dāng)?shù)組
cJSON_Delete(root); // 釋放資源
free(json); // 釋放資源
return 0;
}

運(yùn)行上面的示例代碼可以得到以下輸出:

{"name":"John","age":25,"married":false,"hobbies":["reading","music","sports"],"address":{"city":"New York","zipcode":10001}}

可以看到,使用 cJSON 庫(kù)可以輕松地將 C 語(yǔ)言中的對(duì)象轉(zhuǎn)化為 JSON 字符串?dāng)?shù)組,這樣可以方便地進(jìn)行數(shù)據(jù)的存儲(chǔ)和傳輸。