cjson ok

Core/Src/cJSON_Test.c

@@ -0,0 +1,42 @@
+
+#include <stdio.h>
+#include "cJSON_Test.h"
+
+void cjson(uint8_t g_usart_json_string[])
+{
+    const char * json_string = g_usart_json_string;
+    printf("JSON string: %s\r\n", json_string);
+    cJSON *json = cJSON_Parse(json_string);
+    if (json != NULL) {
+    // 获取 JSON 对象中的值
+        cJSON *name = cJSON_GetObjectItem(json, "name");
+        cJSON *age  = cJSON_GetObjectItem(json, "age");
+        cJSON *city = cJSON_GetObjectItem(json, "city");
+        cJSON *waihao = cJSON_GetObjectItem(json, "waihao");
+        if (name != NULL && age != NULL && city != NULL&& waihao != NULL) {
+    // 打印解析结果
+        printf("Name: %s\n", name->valuestring);
+        printf("Age: %d\n", age->valueint);
+        printf("City: %s\n", city->valuestring);
+        // 解析嵌套的对象
+        printf("Waihao:\n");
+        parseNestedObject(waihao);
+        }
+
+// 释放 cJSON 对象
+        cJSON_Delete(json);
+    } else {
+// 处理解析错误
+        printf("JSON parsing error.\n");
+    }
+}
+void parseNestedObject(cJSON *nestedObject) {
+    cJSON *waihao1 = cJSON_GetObjectItem(nestedObject, "waihao1");
+    cJSON *waihao2 = cJSON_GetObjectItem(nestedObject, "waihao2");
+
+    if (waihao1 != NULL && waihao2 != NULL) {
+        // 打印嵌套对象的属性
+        printf("  waihao1: %s\n", waihao1->valuestring);
+        printf("  waihao2: %s\n", waihao2->valuestring);
+    }
+}