/**
 * 生成一个随机字符串
 * @param {number} length - 随机字符串长度
 * @param {string} [dict] - 随机字符字典，默认为 a—Z0-9
 * @returns {string}
 */
export function rollString(length: number, dict: string = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789") {
    let text = ""
    const possible = dict
    for (let i = 0; i < length; i++) text += possible.charAt(Math.floor(Math.random() * possible.length))
    return text
}