randomWord.service.ts

import {Injectable} from "@angular/core";
declare let md5;@Injectable()export class RandomWordService {

    /**
     * 字符串加密
     * @param str
     * @returns {any}
     */
    hex_md5(str: string) {
        return md5(str);
    }

    /** 产生一个随机的32位长度字符串 */
    uuid() {
        let text = '';
        const possible = 'abcdef0123456789';
        for (let i = 0; i < 19; i++) {
            text += possible.charAt(Math.floor(Math.random() * possible.length));
        }
        return text + new Date().getTime();
    }}