guid 函数 生成随机id

guid 函数 生成随机id

S4() {
      return (((1 + Math.random()) * 0x10000) | 0).toString(16).substring(1);
    },
    guid() {
      return (
        this.S4() +
        this.S4() +
        "-" +
        this.S4() +
        "-" +
        this.S4() +
        "-" +
        this.S4() +
        "-" +
        this.S4() +
        this.S4() +
        this.S4()
      );
    }