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Web3.js在以太坊上部署和调用智能合约_web3.js 调用智能合约_放纵 ╮青春的博客-CSDN博客

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By csharpCopy code, htmlCopy code, pythonCopy codetruffle compile
| CSDN
Web3.js在以太坊上部署和调用智能合约 介绍如何使用Web3.js在以太坊上部署和调用智能合约；Web3.js是以太坊JavaScript API的实现，它可以与以太坊区块链进行交互 智能合约编写 使用Solidity编写一个简单的智能合约，然后使用Web3.js将其部署到以太坊区块链，通过JavaScript调用该智能合约 solidityCopy codepragma solidity ^0.8.0; contract SimpleStorage { uint256 private _value; function getValue() public view returns (uint256) { return _value; } function setValue(uint256 value) public { _value = value; } } 这个智能合约非常简单。它有两个函数：getValue和setValue。getValue函数返回私有变量_value的值，setValue函数将_value设置为传入的值...
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