安装web3
pip install pip3我的电脑会提示一个c++ 14.0的报错，按照以下步骤可以解决
error: Microsoft Visual C++ 14.0 or greater is required. Get it with “Microsoft C++ Build Tools“# 百度云链接：https://pan.baidu.com/s/1MWcOigDWrohbWfKoWtmHJA # 提取码：6666 下载解压安装 Microsoft Visual C++ Build Tools 即可解决
BSC链主网设置
rpc link: https://bsc-dataseed1.binance.org/
连接主网
# 指定主网地址rpc_link = \"https://bsc-dataseed1.binance.org/\"# 创建链接w3_rpc = Web3(Web3.HTTPProvider(rpc_link))print(\"Main Net Connected\" if w3_rpc.isConnected() else \"Connect Failed\")获取最新区块下当前账户余额
# 获取最新区块账户余额balance_data = w3_rpc.eth.get_balance(target_address) 
余额进制转换
# 余额单位转换balance = w3_rpc.fromWei(balance_data, \"ether\")| 单位 | wei值 | Wei |
|---|---|---|
| wei | 1 | 1 |
| Kwei (babbage) | 1e3 wei | 1,000 |
| Mwei (lovelace) | 1e6 wei | 1,000,000 |
| Gwei (shannon) | 1e9 wei | 1,000,000,000 |
| microether (szabo) | 1e12 wei | 1,000,000,000,000 |
| milliether (finney) | 1e15 wei | 1,000,000,000,000,000 |
| ether | 1e18 wei | 1,000,000,000,000,000,000 |
完整代码
# -*- encoding: utf-8 -*-\"# @Time : 2021/12/25 18:34# @Author : bibi45# @Version : 1.0# @Contact : bibi45gt@gmail.com# @License : (C)Copyright 2019-2021, bibi45# That’s weird… It worked yesterday.from web3 import Web3# 查询地址target_address = \"查询地址\"class Web3Connection: def __init__(self): # 指定主网地址 self.rpc_link = \"https://bsc-dataseed1.binance.org/\" # 创建链接 self.w3_rpc = Web3(Web3.HTTPProvider(self.rpc_link)) print(\"Main Net Connected\" if self.w3_rpc.isConnected() else \"Connect Failed\") def check_balance(self, _target_address): # 获取最新区块账户余额 balance_data = self.w3_rpc.eth.get_balance(_target_address) # 余额转换 balance = self.w3_rpc.fromWei(balance_data, \"ether\") print(\"latest balance: {}\".format(balance))if __name__ == \'__main__\': web3_obj = Web3Connection() web3_obj.check_balance(target_address)引用：
error: Microsoft Visual C++ 14.0 is required. Get it with \”Microsoft Visual C++ Build Tools\” 错误解决方案引用：
【转载】error: Microsoft Visual C++ 14.0 or greater is required. Get it with “Microsoft C++ Build Tools“_糖豆豆今天也要努力鸭的博客-CSDN博客在安装第三方库的时候，conda报了这个错经过一番百度 要安装visual studio C++ build tools但是这个包 它装不上啊啊啊总是提示安装包损坏又经过一番百度，在某篇csdn博文下的评论终于找到了答案。感谢这位大神！百度云链接：https://pan.baidu.com/s/19F4YurwwZ5A9WF5txzMZoQ提取码：ka7q好人一生平安！…
https://blog.csdn.net/qq_40349484/article/details/120268224?ops_request_misc=%257B%2522request%255Fid%2522%253A%2522163957277316780261977149%2522%252C%2522scm%2522%253A%252220140713.130102334.pc%255Fall.%2522%257D&request_id=163957277316780261977149&biz_id=0&utm_medium=distribute.pc_search_result.none-task-blog-2~all~first_rank_ecpm_v1~rank_v31_ecpm-2-120268224.first_rank_v2_pc_rank_v29&utm_term=+error%3A+Microsoft+Visual+C%2B%2B+14.0+or+greater+is+required.+Get+it+with+%22Microsoft+C%2B%2B+Build+Tools%22%3A+&spm=1018.2226.3001.4187以太坊中的计量单位及相互转换引用：
作者：thao888
链接：https://www.jianshu.com/p/a74afe1b171f
