Yun
92 lines
2.0 KiB
Go
92 lines
2.0 KiB
Go
package convx
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import (
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"encoding/json"
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"fmt"
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"reflect"
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"strconv"
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"time"
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)
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// interface 转 string
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// InterfaceToString 将任意interface转换为string
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func ToString(v interface{}) string {
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if v == nil {
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return ""
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}
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// 获取值的反射对象
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val := reflect.ValueOf(v)
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// 处理指针类型：解引用直到获取到非指针值
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for val.Kind() == reflect.Ptr {
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if val.IsNil() {
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return ""
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}
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val = val.Elem()
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}
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// 获取解引用后的实际值
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actualValue := val.Interface()
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// 根据具体类型进行处理
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switch actual := actualValue.(type) {
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case string:
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return actual
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case []byte:
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return string(actual)
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case error:
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return actual.Error()
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case bool:
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return strconv.FormatBool(actual)
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case int:
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return strconv.Itoa(actual)
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case int8:
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return strconv.FormatInt(int64(actual), 10)
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case int16:
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return strconv.FormatInt(int64(actual), 10)
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case int32:
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return strconv.FormatInt(int64(actual), 10)
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case int64:
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return strconv.FormatInt(actual, 10)
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case uint:
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return strconv.FormatUint(uint64(actual), 10)
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case uint8:
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return strconv.FormatUint(uint64(actual), 10)
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case uint16:
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return strconv.FormatUint(uint64(actual), 10)
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case uint32:
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return strconv.FormatUint(uint64(actual), 10)
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case uint64:
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return strconv.FormatUint(actual, 10)
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case float32:
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return strconv.FormatFloat(float64(actual), 'f', -1, 32)
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case float64:
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return strconv.FormatFloat(actual, 'f', -1, 64)
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case complex64:
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return fmt.Sprint(actual)
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case complex128:
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return fmt.Sprint(actual)
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case time.Time:
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return actual.Format(time.RFC3339)
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case time.Duration:
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return actual.String()
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case fmt.Stringer:
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return actual.String()
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}
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// 处理切片、数组、map、结构体等复杂类型 - 使用JSON序列化
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if val.IsValid() {
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switch val.Kind() {
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case reflect.Slice, reflect.Array, reflect.Map, reflect.Struct:
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jsonBytes, err := json.Marshal(actualValue)
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if err == nil {
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return string(jsonBytes)
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}
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}
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}
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// 默认处理：使用fmt.Sprint
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return fmt.Sprint(actualValue)
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}
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