go解析复杂json数组字符串：结合使用json和simple-json库

Myth丶恋晨 2023-10-01 10:22 3阅读 0赞

## 原始json数组字符串 ##

[
        {
        
            "addition_links": {
        
                "build_history": {
        
                    "absolute": false,
                    "href": "/api/v2.0/projects/test/repositories/zhangxueliang%252Fmyapp/artifacts/sha256:5f4afc8302ade316fc47c99ee1d41f8ba94dbe7e3e7747dd87215a15429b9102/additions/build_history"
                }
            },
            "digest": "sha256:5f4afc8302ade316fc47c99ee1d41f8ba94dbe7e3e7747dd87215a15429b9102",
            "extra_attrs": {
        
                "architecture": "amd64",
                "author": null,
                "created": "2018-02-25T06:04:41.923389438Z",
                "os": "linux"
            },
            "id": 176,
            "labels": null,
            "manifest_media_type": "application/vnd.docker.distribution.manifest.v2+json",
            "media_type": "application/vnd.docker.container.image.v1+json",
            "project_id": 7,
            "pull_time": "2021-12-17T01:59:08.570Z",
            "push_time": "2021-01-06T01:58:10.546Z",
            "references": null,
            "repository_id": 110,
            "size": 6755615,
            "tags": [
                {
        
                    "artifact_id": 176,
                    "id": 199,
                    "immutable": false,
                    "name": "v2",
                    "pull_time": "2021-12-17T01:59:08.570Z",
                    "push_time": "2021-01-06T01:58:10.568Z",
                    "repository_id": 110,
                    "signed": false
                }
            ],
            "type": "IMAGE"
        },
        {
        
            "addition_links": {
        
                "build_history": {
        
                    "absolute": false,
                    "href": "/api/v2.0/projects/test/repositories/zhangxueliang%252Fmyapp/artifacts/sha256:9eeca44ba2d410e54fccc54cbe9c021802aa8b9836a0bcf3d3229354e4c8870e/additions/build_history"
                }
            },
            "digest": "sha256:9eeca44ba2d410e54fccc54cbe9c021802aa8b9836a0bcf3d3229354e4c8870e",
            "extra_attrs": {
        
                "architecture": "amd64",
                "author": "MageEdu <mage@magedu.com>",
                "created": "2018-03-02T03:39:41.482586301Z",
                "os": "linux"
            },
            "id": 175,
            "labels": null,
            "manifest_media_type": "application/vnd.docker.distribution.manifest.v2+json",
            "media_type": "application/vnd.docker.container.image.v1+json",
            "project_id": 7,
            "pull_time": "2021-12-17T01:59:08.502Z",
            "push_time": "2021-01-06T01:58:09.419Z",
            "references": null,
            "repository_id": 110,
            "size": 6757253,
            "tags": [
                {
        
                    "artifact_id": 175,
                    "id": 198,
                    "immutable": false,
                    "name": "v1",
                    "pull_time": "2021-12-17T01:59:08.502Z",
                    "push_time": "2021-01-06T01:58:09.437Z",
                    "repository_id": 110,
                    "signed": false
                }
            ],
            "type": "IMAGE"
        }
    ]

## go代码 ##

package main
    
    import (
    	"encoding/json"
    	"fmt"
    	"io/ioutil"
    	"net/http"
    	"time"
    
    	simplejson "github.com/bitly/go-simplejson"
    )
    
    
    
    func main() {
        
    	// 使用%252F转义"/"
    	url := "http://192.168.111.xxx:8603/api/v2.0/projects/test/repositories/zhangxueliang%252Fmyapp/artifacts"
    	resp, err := http.Get(url)
    	if err != nil {
        
    		fmt.Println("报错了")
    		return
    	}
    	body, _ := ioutil.ReadAll(resp.Body)
    	var rr []map[string]interface{
        }
    	json.Unmarshal(body, &rr)
    	for _, v := range rr {
        
    		b, _ := json.Marshal(v)
    		sj, err := simplejson.NewJson(b)
    		if err != nil {
        
    			panic(err)
    		}
    		tags, err := sj.Get("tags").Array()
    		fmt.Println(tags)
    	}
    }

## 结果 ##

![在这里插入图片描述][ad229cfdd15642fc915aaba921578e14.png]

## 解析出name字段 ##

// fmt.Println(tags)
    		for _, value := range tags {
        
    			tagname, _ := value.(map[string]interface{
        })
    			fmt.Println(tagname["name"])
    		}

![在这里插入图片描述][5e2cd3d9e2bd4e4e8682438a7c285c11.png]  
`如果不进行断言判断，就会报错：`  
![在这里插入图片描述][watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBA5a2m5Lqu57yW56iL5omL6K6w_size_20_color_FFFFFF_t_70_g_se_x_16]

可参考链接：  
https://studygolang.com/articles/345

[ad229cfdd15642fc915aaba921578e14.png]: https://img-blog.csdnimg.cn/ad229cfdd15642fc915aaba921578e14.png
[5e2cd3d9e2bd4e4e8682438a7c285c11.png]: https://img-blog.csdnimg.cn/5e2cd3d9e2bd4e4e8682438a7c285c11.png
[watermark_type_d3F5LXplbmhlaQ_shadow_50_text_Q1NETiBA5a2m5Lqu57yW56iL5omL6K6w_size_20_color_FFFFFF_t_70_g_se_x_16]: https://img-blog.csdnimg.cn/dc43d612d93440b7ae48f7f6052d7fb1.png?x-oss-process=image/watermark,type_d3F5LXplbmhlaQ,shadow_50,text_Q1NETiBA5a2m5Lqu57yW56iL5omL6K6w,size_20,color_FFFFFF,t_70,g_se,x_16