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Golang JSON-反序列化map,切片(slice),结构体(struct)

发布时间:2021-12-08   编辑:jiaochengji.com
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<pre><code class="language-Go">package main import ( "encoding/json" "fmt" ) /*{"addr":"beijing","age":123,"name":"typ"} {"name":"qqqq","age":12,"hobbit":"ttttt"} [{"addr":"beijing111","age":1231,"name":"typ111"},{"addr":"beijing222","age":1222,"name":"typ222"}]*/ type student struct { //tagjson序列化后是小写 Name string `json:"name"` Age int `json:"age"` Hobbit string `json:"hobbit"` } func unjsonStruct(){ var stu student fmt.Println("unjson before: ",stu) var str = "{\"name\":\"qqqq\",\"age\":12,\"hobbit\":\"ttttt\"}" err := json.Unmarshal([]byte(str), &stu) if err != nil { fmt.Println("unjson 失败") } fmt.Println("unjson after: ",stu) } func unjsonMap(){ testMap := make(map[string]interface{}) fmt.Println("unjson before: ",testMap) var str = "{\"addr\":\"beijing\",\"age\":123,\"name\":\"typ\"}" err := json.Unmarshal([]byte(str), &testMap) if err != nil { fmt.Println("unjson 失败") } fmt.Println("unjson after: ",testMap) } func unjsonSlice(){ var sli = make([]map[string]interface{},2) fmt.Println("unjson before: ",sli) var str = "[{\"addr\":\"beijing111\",\"age\":1231,\"name\":\"typ111\"},{\"addr\":\"beijing222\",\"age\":1222," "\"name\":\"typ222\"}]" err := json.Unmarshal([]byte(str), &sli) if err != nil { fmt.Println("unjson 失败") } fmt.Println("unjson after: ",sli) } func main() { unjsonStruct() unjsonMap() unjsonSlice() } </code></pre>

 

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