server/app/Utils/Str.php

<?php
/**
 * Author: cfn <cfn@leapy.cn>
 */

namespace App\Utils;

use function PHPUnit\Framework\matches;

class Str
{
    /**
     * 获取UUID
     * @param string $prefix
     * @return string
     */
    static function uuid(string $prefix = ''): string
    {
        $chars = md5(uniqid(mt_rand(), true));
        $uuid = substr($chars, 0, 8) . '-';
        $uuid .= substr($chars, 8, 4) . '-';
        $uuid .= substr($chars, 12, 4) . '-';
        $uuid .= substr($chars, 16, 4) . '-';
        $uuid .= substr($chars, 20, 12);
        return $prefix . $uuid;
    }

    /**
     * 获取随机字符串
     * @param int $num
     * @param string $prefix
     * @return string
     */
    static function randStr(int $num, string $prefix = ""): string
    {
        $str = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ1234567890";
        $_str = "";
        while ($num > 0) {
            $_str .= substr($str, rand(0, strlen($str) - 1), 1);
            $num--;
        }
        return $prefix . $_str;
    }

    static function snakeToCamel($str, $capitalized = false)
    {
        $result = str_replace('_', '', ucwords($str, '_'));
        if (!$capitalized) {
            $result = lcfirst($result);
        }
        return $result;
    }

    public static function typeMysqlToPhp($Type): string
    {
        switch ($Type) {
            case str_contains($Type, "int"):
            case str_contains($Type, "smallint"):
            case str_contains($Type, "tinyint"):
            case str_contains($Type, "mediumint"):
            case str_contains($Type, "bigint"):
            case str_contains($Type, "bool"):
            case str_contains($Type, "boolean"):
                return "int";
            case str_contains($Type, "float"):
            case str_contains($Type, "double"):
                return "float";
            case str_contains($Type, "text"):
            case str_contains($Type, "char"):
            case str_contains($Type, "varchar"):
            case str_contains($Type, "blob"):
            case str_contains($Type, "decimal"):
            case str_contains($Type, "numeric"):
            case str_contains($Type, "date"):
            case str_contains($Type, "datetime"):
            case str_contains($Type, "timestamp"):
            default:
                return "string";
        }
    }

    public static function isInsert($field, $extra): int
    {
        if ($extra == "auto_increment") {
            return 0;
        }
        return !in_array($field, ["deleted_at", "update_time"]) ? 1 : 0;
    }

    public static function isEdit($field): int
    {
        return !in_array($field, ["deleted_at", "create_time"]) ? 1 : 0;
    }

    public static function isList($field, $extra): int
    {
        if ($extra == "auto_increment") {
            return 1;
        }
        return !in_array($field, ["deleted_at"]) ? 1 : 0;
    }

    public static function isQuery($field, $extra): int
    {
        if ($extra == "auto_increment") {
            return 0;
        }
        return !in_array($field, ["deleted_at", "update_time", "create_time"]) ? 1 : 0;
    }

    public static function htmlType($field): string
    {
        switch ($field) {
            case "status":
                return "radio";
            case str_contains($field, "_time"):
                return "datetime";
            case str_contains($field, "_date"):
                return "date";
            default:
                return "text";
        }
    }

    public static function fileType($ext): string
    {
        switch (strtolower($ext)) {
            case 'bmp':
            case 'jpg':
            case 'jpeg':
            case 'png':
            case 'gif':
                return "image";
            case 'avi':
            case 'mp4':
            case 'flv':
                return "video";
            case 'doc':
            case 'docx':
                return "wold";
            case 'xls':
            case 'xlsx':
                return "excel";
            case 'ppt':
            case 'pptx':
                return "ppt";
            case 'mp3':
            case 'wav':
                return "audio";
            default:
                return "other";
        }
    }

    static function splitKey(string $key): array
    {
        $parts = explode('.', $key);
        $first = array_shift($parts);
        $rest = implode('.', $parts);
        return [$first, $rest];
    }

}