ts加密md5码封装

tsconfig.json

{
  "compilerOptions": {
    "module": "commonjs",
    "target": "es6",
    "sourceMap": true
  },
  "exclude": [
    "node_modules"
  ]
}

test:

let str = Md5.Instance.get_md5("123456");
console.log(str)

//len:32
//e10adc3949ba59abbe56e057f20f883e

md5.ts

class Md5 {
  private static _inst: Md5;
  public static get Instance(): Md5 {
    return this._inst || (this._inst = new Md5());
  }
  public get_md5(str: string): string {
    return this.md5(str);
  }
  split(target: string | any[], step: number, markString: boolean = typeof target === "string") {
    if (typeof target === "string") target = target.split("");
    let result: any[] = target.map(
      (_, index: number) =>
        index % step === 0
          ? Array.from(Array(step).keys()).map((x: number) => target[index + x])
          : []
    )
      .filter((x: any[]) => x.length > 0);
    if (markString) result = result.map((x: any[]) => x.join(""))
    return result;
  }
  padding(str: string | any[], length: number, char: string, tail: boolean = true, isArray: boolean = Array.isArray(str)) {
    let arr;
    if (Array.isArray(str)) {
      arr = str;
    } else {
      arr = str.split("");
    }
    const paddingStr: any[] = this.range(length - str