Get a balance ETH specified tokens
https://blog.csdn.net/wypeng2010/article/details/81362562
Use Web3.js query Ethernet coins and tokens and balance transfers
https://blog.csdn.net/ffzhihua/article/details/81126932
Ethernet Square Wallet Balance Transfer query specifies tokens
https://blog.csdn.net/u010123087/article/details/79637260
Ether Square development (xxvii) using JSON RPC API for Ethernet credits / tokens in the private chain transfer
https://blog.csdn.net/weixin_34107955/article/details/87225259