GO语言处理未知JSON数据

女爷i 2022-11-11 05:11 170阅读 0赞

package main
    
    import (
        "bytes"
        "encoding/json"
        "fmt"
        "io/ioutil"
        "log"    
        "path"    
    )

func main(){
        data := map[string]interface{}{
            "FirstName":"Jan",
            "Sex":18,
        }
    
        stu,_ := json.Marshal(&data)
        reader := bytes.NewReader(stu)
        fmt.Println(reader)
        fmt.Println(stu)
        fmt.Println(data)
        //content := readFileFrompath("./test.json")//文件方式
        //_ = json.Unmarshal(content, &f)
        content :=`{"FirstName":"Jan","LastName":"Kersschot","Addresses":[{"Type":"private","City":"Aartselaar","Country":"Belgium"},{"Type":"work","City":"Boom","Country":"Belgium"}],"Remark":"none","acc":{"Type":"private","City":"Aartselaar","Country":"Belgium"}}`//字符串方式
        var f interface{}
        _ = json.Unmarshal([]byte(content), &f)
        m := f.(map[string]interface{})
        fmt.Println(f)
        /*方式1*/
        if m["acc"] !="" {
            acc := m["acc"].(map[string]interface{})
            fmt.Println(acc["City"])
        }
        if m["Addresses"] != ""{
            Addresses :=m["Addresses"].([]interface{})
            fmt.Println(Addresses)
            for k,v := range Addresses {
                row := v.(map[string]interface{})
                fmt.Println(k,v,row["City"],row["Country"],row["Type"])
            }
        }
        /*方式2*/
        for k,v := range m{
            switch v.(type) {
            case []interface{}:
                rows :=v.([]interface{})
                for sk,sv :=range rows{
                    son :=sv.(map[string]interface{})
                    for tk,tv :=range son{
                        fmt.Println("k:",k,"----sk:",sk,"----tk:",tk,"----tv:",tv)
                    }
                }
            case map[string]interface{}:
                rows :=v.(map[string]interface{})
                for sk,sv :=range rows {
                    fmt.Println("k:",k,"----sk:",sk,"----sv:",sv)
                }
            default:
                fmt.Println("k:",k,"----v:",v)
            }
    
        }
    
    
    }

/*读取文件内容*/
    func readFileFrompath(path string) []byte {
        content, err := ioutil.ReadFile(path)
        if err != nil {
            log.Println(err)
        }
        return content
    }