100 lines
2.0 KiB
Go
100 lines
2.0 KiB
Go
package tools
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import (
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"encoding/json"
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"reflect"
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"strings"
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)
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// 判断某一个值是否含在切片之中
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func InArray(val interface{}, array interface{}) (exists bool, index int) {
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exists = false
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index = -1
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switch reflect.TypeOf(array).Kind() {
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case reflect.Slice:
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s := reflect.ValueOf(array)
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for i := 0; i < s.Len(); i++ {
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if reflect.DeepEqual(val, s.Index(i).Interface()) == true {
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index = i
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exists = true
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return
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}
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}
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}
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return
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}
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/*
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分割判断
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s := "hello,world"
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substr := "world"
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separators := []string{",", " "}
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result := inArray(s, substr, separators...)
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fmt.Println(result) // true
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*/
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func InArrayStr(s string, substr string, contains bool, separators ...string) bool {
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// 使用分隔符分割字符串为切片
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parts := []string{s}
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for _, sep := range separators {
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newParts := make([]string, 0)
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for _, part := range parts {
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newParts = append(newParts, strings.Split(part, sep)...)
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}
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parts = newParts
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}
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// 判断子字符串是否在切片中
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// 判断子字符串是否在切片中
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for _, s := range parts {
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if contains && strings.Contains(substr, s) {
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return true
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}
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if !contains && s == substr {
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return true
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}
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}
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return false
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}
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/*
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data := map[string]interface{}{
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"name": "Tom",
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"age": 18,
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"gender": "male",
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}
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str, err := JsonEncode(data)
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*/
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func JsonEncode(v interface{}) (string, error) {
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b, err := json.Marshal(v)
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if err != nil {
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return "", err
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}
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return string(b), nil
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}
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/*
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var decodedData map[string]interface{}
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err = JsonDecode(str, &decodedData)
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*/
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func JsonDecode(s string, v interface{}) error {
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return json.Unmarshal([]byte(s), v)
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}
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// 通过map主键唯一的特性过滤重复元素
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func RemoveDuplicateStrings(strs []string) []string {
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result := []string{}
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tempMap := map[string]byte{} // 存放不重复字符串
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for _, e := range strs {
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l := len(tempMap)
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tempMap[e] = 0
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if len(tempMap) != l { // 加入map后，map长度变化，则元素不重复
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result = append(result, e)
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}
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}
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return result
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}
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