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31 lines
643 B
Solidity
31 lines
643 B
Solidity
// SPDX-License-Identifier: UNLICENSED
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pragma solidity ^0.8.0;
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contract ArrayTest {
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// 以下标为定义的访问器 1 => 2
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uint [] public u = [1, 2, 3];
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string s = "abcdefg";
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// 获取数组的长度 => string 可以转换成 bytes
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function h() public constant returns (uint) {
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return bytes(s).length; // 7
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}
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// 返回下标为1的元素
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function f() public view returns (byte) {
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// 调用下面的数组
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g([uint(1), 2, 3]);
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return bytes(s)[1]; // b -> asc 码 0x62
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}
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// 数组作为参数进行传递
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function g(uint[3] _data) public constant {
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}
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}
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