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开始 getBalance let getbalance = await web3.eth.getBalance(fromaddress); let balance = web3.utils.fromWei(getbalance, "ether") if (DEBUG) console.log("balance : ", balance + " ETH"); $('#message').text(" balance: " + balance + " ETH"); 发送交易 const privateKey = Buffer.from(myPrivateKey, 'hex'); if (DEBUG) console.log("privateKey: ", privateKey); web3.eth.getTransactionCount(fromaddress, (err, txCou