智能合约实战 solidity 语法学习 02 [ SPDX remix控制台介绍 ]

Posted 2022-12-13 www_vane

我们在实际开发过程中可同时使用remix和vscode，两者各有互补。

如语法学习01中使用vscode编程时，因本地编译环境为0.6.12，remix使用的0.5.1

同样的代码vscode会有SPDX警告，需要因为soliidity 0.6.8 引入了SPDX，使用时要在文件第一句加上SPDX-License-Identifier:格式的语句，SPDX许可列表网址：https://spdx.org/licenses/

	"resource": "/f:/sol/test/solidity/contracts/helloword.sol",
	"owner": "_generated_diagnostic_collection_name_#0",
	"severity": 4,
	"message": "SPDX license identifier not provided in source file. Before publishing, consider adding a comment containing \\"SPDX-License-Identifier: <SPDX-License>\\" to each source file. Use \\"SPDX-License-Identifier: UNLICENSED\\" for non-open-source code. Please see https://spdx.org for more information.",
	"startLineNumber": 1,
	"startColumn": 1,
	"endLineNumber": 1,
	"endColumn": 1