妙音 posted @ 2024年1月09日 14:50 in cxx with tags json jansson c , 901 阅读


在ubuntun系统上使用clion开发c程序, cmake如何引入jansson库.



tar -xvf


cd jansson-2.13
mkidr build
cd build
cmake ../


├── include
│      ├── jansson_config.h
│      └── jansson.h
├── lib
│     └── libjansson.a


File->New->Project->选中"C Executable"


cmake_minimum_required(VERSION 3.22)
project(demo_task C)


#自定义库, jansson放在了source目录下
set(LIBHOME "/home/xxx/workspace/source/")

# jansson

add_executable(demo_task main.c)


创建demo.json并放入任意json数据, jansson读取demo.json,并打印结果
#include <stdio.h>
#include <jansson.h>

int main() {
    json_t *json;
    json_error_t error;

    json = json_load_file("../demo.json", 0, &error);
    if(!json) {
        /* the error variable contains error information */
    char *result = json_dumps(json, 0);
    printf("%s\n", result);

    return 0;


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Thank you for providing the references on incorporating the Jansson library into CMake projects. Your guidance on using CLion for C development on Ubuntu has been incredibly helpful. I've successfully integrated the Jansson library into my project, and it's working seamlessly.

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