return "xxx{" +
"xxx=‘" + xxx+ ‘\‘‘ +
", ggg=‘" + ggg+ ‘\‘‘ +
", jjj=‘" + jjj+ ‘\‘‘ +
", time=" + time +
", rrr=‘" + rrr+ ‘\‘‘ +
", eee=" + eee+
", data=" + data +
‘}‘;原文：https://www.cnblogs.com/a1304908180/p/11555865.html