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JsonUtil.go
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JsonUtil.go
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package util
import (
"bytes"
"encoding/json"
"fmt"
jsoniter "github.com/json-iterator/go"
"github.com/pkg/errors"
)
// PrintMapJsonStr 将Map按照Json格式输出
func PrintMapJsonStr(i map[string]interface{}) {
s, err := MapToJsonFormatString(i)
if err != nil {
return
}
fmt.Println(s)
}
// MapToJsonFormatString Map转换成Json格式的字符串
func MapToJsonFormatString(i map[string]interface{}) (string, error) {
bs, err := json.Marshal(i)
if err != nil {
return "", err
}
var out bytes.Buffer
err = json.Indent(&out, bs, "", "")
if err != nil {
return "", err
}
return fmt.Sprintf("%s", out.String()), nil
}
// MapToJsonStr 将Map转换成Json字符串,没有换行等格式化
func MapToJsonStr(i map[string]interface{}) string {
b, _ := json.Marshal(i)
return string(b)
}
func interfaceToStr[T any](i T) string {
b, _ := json.Marshal(i)
return string(b)
}
func StrToStruct[T any](str string) (T, error) {
result := new(T)
if len(str) == 0 {
return *result, errors.Errorf("JSON字符串为空")
}
err := jsoniter.UnmarshalFromString(str, result)
return *result, err
}
func StrToStructArr[T any](str string) ([]T, error) {
if len(str) == 0 {
return nil, errors.Errorf("JSON字符串为空")
}
result := new([]T)
err := jsoniter.UnmarshalFromString(str, result)
return *result, err
}